@extends('layouts.app')

@section('title', $isCreate ? '새 문서 작성' : '문서 수정')

@section('content')
<div class="max-w-7xl mx-auto">
    <!-- 헤더 -->
    <div class="flex flex-col lg:flex-row lg:justify-between lg:items-center gap-4 mb-6">
        <div>
            <h1 class="text-2xl font-bold text-gray-800">{{ $isCreate ? '새 문서 작성' : '문서 수정' }}</h1>
            <p class="text-sm text-gray-500 mt-1 hidden sm:block">
                @if($document)
                    {{ $document->document_no }} - {{ $document->title }}
                @else
                    템플릿을 선택하여 문서를 작성합니다.
                @endif
            </p>
        </div>
        <div class="flex items-center gap-2">
            <a href="{{ route('documents.index') }}"
               class="bg-gray-200 hover:bg-gray-300 text-gray-700 px-4 py-2 rounded-lg transition">
                목록
            </a>
        </div>
    </div>

    {{-- 템플릿 선택 (생성 시) --}}
    @if($isCreate && !$template)
    <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6 mb-6">
        <h2 class="text-lg font-semibold text-gray-800 mb-4">템플릿 선택</h2>
        <div class="grid grid-cols-1 md:grid-cols-3 gap-4">
            @forelse($templates as $tpl)
                <a href="{{ route('documents.create', ['template_id' => $tpl->id]) }}"
                   class="block p-4 border border-gray-200 rounded-lg hover:border-blue-500 hover:bg-blue-50 transition-colors">
                    <h3 class="font-medium text-gray-900">{{ $tpl->name }}</h3>
                    <p class="text-sm text-gray-500 mt-1">{{ $tpl->category }}</p>
                </a>
            @empty
                <p class="text-gray-500 col-span-3">사용 가능한 템플릿이 없습니다.</p>
            @endforelse
        </div>
    </div>
    @endif

    {{-- 문서 폼 --}}
    @if($template)
    <form id="documentForm" class="space-y-6">
        @csrf
        <input type="hidden" name="template_id" value="{{ $template->id }}">

        {{-- 기본 정보 --}}
        <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
            <h2 class="text-lg font-semibold text-gray-800 mb-4">기본 정보</h2>

            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">템플릿</label>
                    <input type="text" value="{{ $template->name }}" disabled
                           class="w-full rounded-lg border-gray-300 bg-gray-50 text-sm">
                </div>

                <div>
                    <label class="block text-sm font-medium text-gray-700 mb-1">
                        제목 <span class="text-red-500">*</span>
                    </label>
                    <input type="text" name="title" value="{{ $document->title ?? '' }}" required
                           class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500"
                           placeholder="문서 제목을 입력하세요">
                </div>
            </div>
        </div>

        {{-- 기본 필드 --}}
        @if($template->basicFields && $template->basicFields->count() > 0)
        <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
            <h2 class="text-lg font-semibold text-gray-800 mb-4">{{ $template->title ?? '문서 정보' }}</h2>

            <div class="grid grid-cols-1 md:grid-cols-2 gap-4">
                @foreach($template->basicFields as $field)
                    @php
                        $fieldKey = 'bf_' . $field->id;
                        $savedValue = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? $field->default_value ?? '';
                    @endphp
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">
                            {{ $field->label }}
                        </label>
                        @if($field->field_type === 'textarea')
                            <textarea name="data[{{ $fieldKey }}]"
                                      class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500"
                                      rows="3">{{ $savedValue }}</textarea>
                        @elseif($field->field_type === 'date')
                            <input type="date" name="data[{{ $fieldKey }}]"
                                   value="{{ $savedValue }}"
                                   class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500">
                        @elseif($field->field_type === 'number')
                            <input type="number" name="data[{{ $fieldKey }}]"
                                   value="{{ $savedValue }}"
                                   class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500">
                        @elseif($field->field_type === 'item_search')
                            <div class="relative" x-data="itemSearch('{{ $fieldKey }}', '{{ $savedValue }}')" x-init="init()">
                                <input type="text" name="data[{{ $fieldKey }}]"
                                       x-model="searchText"
                                       @input.debounce.300ms="search()"
                                       @focus="showResults = results.length > 0"
                                       @click.away="showResults = false"
                                       placeholder="품명 또는 코드로 검색"
                                       autocomplete="off"
                                       class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500">
                                <div x-show="showResults" x-cloak
                                     class="absolute z-50 w-full mt-1 bg-white border border-gray-200 rounded-lg shadow-lg max-h-60 overflow-y-auto">
                                    <template x-for="item in results" :key="item.id">
                                        <div @click="selectItem(item)"
                                             class="px-3 py-2 cursor-pointer hover:bg-blue-50 flex justify-between items-center">
                                            <span class="text-sm" x-text="item.name"></span>
                                            <span class="text-xs text-gray-400" x-text="item.code"></span>
                                        </div>
                                    </template>
                                    <div x-show="results.length === 0 && searchText.length > 0"
                                         class="px-3 py-2 text-sm text-gray-400">검색 결과 없음</div>
                                </div>
                            </div>
                        @else
                            <input type="text" name="data[{{ $fieldKey }}]"
                                   value="{{ $savedValue }}"
                                   class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500">
                        @endif
                    </div>
                @endforeach
            </div>
        </div>
        @endif

        {{-- 섹션 (검사 데이터 테이블) --}}
        @if($template->sections && $template->sections->count() > 0)
            @foreach($template->sections as $sectionIndex => $section)
            <div class="bg-white rounded-lg shadow-sm border border-gray-200 p-6">
                <h2 class="text-lg font-semibold text-gray-800 mb-4">{{ $section->title }}</h2>
                @if($section->image_path)
                    <img src="{{ asset('storage/' . $section->image_path) }}" alt="{{ $section->title }}" class="max-w-full h-auto mb-4 rounded">
                @endif

                {{-- 연결 품목 규격 정보 --}}
                @if(!empty($linkedItemSpecs))
                <div class="mb-3 flex flex-wrap gap-2 items-center text-xs">
                    <span class="text-gray-500">연결 품목 규격:</span>
                    @foreach($linkedItemSpecs as $spec)
                        <span class="inline-flex items-center gap-1 bg-yellow-50 border border-yellow-200 rounded px-2 py-0.5">
                            <span class="font-medium">{{ $spec['name'] }}</span>
                            @if($spec['thickness'])<span class="text-gray-500">t={{ $spec['thickness'] }}</span>@endif
                            @if($spec['width'])<span class="text-gray-500">w={{ $spec['width'] }}</span>@endif
                            @if($spec['length'])<span class="text-gray-500">l={{ $spec['length'] }}</span>@endif
                        </span>
                    @endforeach
                    <span class="text-gray-400 ml-1">← 해당 범위 행이 노란색으로 표시됩니다</span>
                </div>
                @endif

                {{-- 검사 데이터 테이블 --}}
                @if($section->items->count() > 0 && $template->columns->count() > 0)
                @php
                    // 검사방식 코드→한글 매핑
                    $methodNames = [
                        'visual' => '육안검사',
                        'check' => '체크검사',
                        'mill_sheet' => '공급업체 밀시트',
                        'certified_agency' => '공인시험기관',
                        'substitute_cert' => '공급업체 성적서 대체',
                        'other' => '기타',
                    ];

                    // 공차 포맷 함수
                    $formatTolerance = function($tol) {
                        if (!$tol || !is_array($tol) || !isset($tol['type'])) {
                            // 레거시 문자열 지원
                            return is_string($tol) && $tol !== '' ? $tol : '-';
                        }
                        switch ($tol['type']) {
                            case 'symmetric':
                                return isset($tol['value']) ? "±{$tol['value']}" : '-';
                            case 'asymmetric':
                                $p = $tol['plus'] ?? 0;
                                $m = $tol['minus'] ?? 0;
                                return ($p || $m) ? "+{$p} / -{$m}" : '-';
                            case 'range':
                                $min = $tol['min'] ?? '';
                                $max = $tol['max'] ?? '';
                                return ($min !== '' || $max !== '') ? "{$min} ~ {$max}" : '-';
                            case 'limit':
                                $opSymbol = ['lte' => '≤', 'lt' => '<', 'gte' => '≥', 'gt' => '>'];
                                $op = $opSymbol[$tol['op'] ?? 'lte'] ?? '≤';
                                return isset($tol['value']) ? "{$op}{$tol['value']}" : '-';
                            default:
                                return '-';
                        }
                    };

                    // standard_criteria 포맷 함수 (getFieldValue 사용)
                    $formatStandard = function($item) use ($formatTolerance) {
                        $c = $item->getFieldValue('standard_criteria');
                        if ($c && is_array($c) && (isset($c['min']) || isset($c['max']))) {
                            $opLabel = ['gte' => '이상', 'gt' => '초과', 'lte' => '이하', 'lt' => '미만'];
                            $parts = [];
                            if (isset($c['min'])) $parts[] = $c['min'] . ' ' . ($opLabel[$c['min_op'] ?? 'gte'] ?? '이상');
                            if (isset($c['max'])) $parts[] = $c['max'] . ' ' . ($opLabel[$c['max_op'] ?? 'lte'] ?? '이하');
                            return implode(' ~ ', $parts);
                        }
                        $std = $item->getFieldValue('standard') ?: '-';
                        $tolStr = $formatTolerance($item->getFieldValue('tolerance'));
                        if ($tolStr !== '-') $std .= ' (' . $tolStr . ')';
                        return $std;
                    };

                    // 검사주기 포맷 함수 (getFieldValue 사용)
                    $formatFrequency = function($item) {
                        $parts = [];
                        $freqN = $item->getFieldValue('frequency_n');
                        $freqC = $item->getFieldValue('frequency_c');
                        $freq = $item->getFieldValue('frequency');
                        if ($freqN) {
                            $nc = "n={$freqN}";
                            if ($freqC !== null) $nc .= ", c={$freqC}";
                            $parts[] = $nc;
                        }
                        if ($freq) $parts[] = $freq;
                        return $parts ? implode(' / ', $parts) : '-';
                    };

                    // 카테고리별 그룹핑 (getFieldValue 사용)
                    $groupedRows = [];
                    $allItems = $section->items->values();
                    $idx = 0;
                    while ($idx < $allItems->count()) {
                        $item = $allItems[$idx];
                        $cat = trim($item->getFieldValue('category') ?? '');
                        if ($cat) {
                            $grouped = [$item];
                            while ($idx + 1 < $allItems->count() && trim($allItems[$idx + 1]->getFieldValue('category') ?? '') === $cat) {
                                $idx++;
                                $grouped[] = $allItems[$idx];
                            }
                            $groupedRows[] = ['type' => 'group', 'category' => $cat, 'items' => $grouped];
                        } else {
                            $groupedRows[] = ['type' => 'single', 'item' => $item];
                        }
                        $idx++;
                    }

                    // 연결 품목 규격 정보 (자동 하이라이트용)
                    $itemSpecs = $linkedItemSpecs ?? [];
                    $matchRow = function($item) use ($itemSpecs) {
                        $c = $item->getFieldValue('standard_criteria');
                        if (!$c || !is_array($c) || (!isset($c['min']) && !isset($c['max']))) {
                            return false;
                        }

                        // 검사항목명에서 비교 대상 결정 (두께→thickness, 너비→width, 길이→length)
                        $itemName = mb_strtolower(trim($item->getFieldValue('item') ?? ''));
                        $specKey = 'thickness'; // 기본값
                        if (str_contains($itemName, '너비') || str_contains($itemName, 'width')) {
                            $specKey = 'width';
                        } elseif (str_contains($itemName, '길이') || str_contains($itemName, 'length')) {
                            $specKey = 'length';
                        }

                        foreach ($itemSpecs as $spec) {
                            $val = $spec[$specKey] ?? null;
                            if ($val === null) continue;

                            $min = isset($c['min']) ? (float)$c['min'] : null;
                            $max = isset($c['max']) ? (float)$c['max'] : null;
                            $minOp = $c['min_op'] ?? 'gte';
                            $maxOp = $c['max_op'] ?? 'lte';

                            $minOk = $min === null || ($minOp === 'gt' ? $val > $min : $val >= $min);
                            $maxOk = $max === null || ($maxOp === 'lt' ? $val < $max : $val <= $max);
                            if ($minOk && $maxOk) return true;
                        }
                        return false;
                    };

                    // 측정치 컬럼 정보
                    $hasComplex = $template->columns->contains(fn($c) => $c->column_type === 'complex' && $c->sub_labels);
                    $maxFreqN = $allItems->max(fn($i) => $i->getFieldValue('frequency_n')) ?: 0;
                    $complexCol = $template->columns->first(fn($c) => $c->column_type === 'complex' && $c->sub_labels);
                    $totalMeasCols = $complexCol ? max(count($complexCol->sub_labels), $maxFreqN) : 0;
                @endphp
                <div class="overflow-x-auto mt-4">
                    <table class="min-w-full border border-gray-300 text-sm" data-section-id="{{ $section->id }}">
                        {{-- colgroup: 컬럼 너비 제어 --}}
                        <colgroup>
                            @foreach($template->columns as $col)
                                @php $colLabel = trim($col->label); @endphp
                                @if($col->column_type === 'complex' && $col->sub_labels)
                                    @for($ci = 0; $ci < $totalMeasCols; $ci++)
                                        <col style="width:60px">
                                    @endfor
                                @elseif(str_contains(strtolower($colLabel), 'no') && strlen($colLabel) <= 4)
                                    <col style="width:40px">
                                @elseif(in_array($colLabel, ['검사항목', '항목']))
                                    <col style="width:60px">
                                    <col style="width:100px">
                                @elseif(in_array($colLabel, ['검사기준', '기준']))
                                    <col style="width:120px">
                                    <col style="width:60px">
                                @elseif(str_contains($colLabel, '판정'))
                                    <col style="width:40px">
                                @else
                                    <col style="width:80px">
                                @endif
                            @endforeach
                        </colgroup>
                        {{-- 테이블 헤더 --}}
                        <thead class="bg-gray-50">
                            <tr>
                                @foreach($template->columns as $col)
                                    @if($col->column_type === 'complex' && $col->sub_labels)
                                        <th colspan="{{ $totalMeasCols }}"
                                            class="px-2 py-2 text-center text-xs font-medium text-gray-600 uppercase border border-gray-300">
                                            {{ $col->label }}
                                        </th>
                                    @else
                                        @php
                                            $colLabel = trim($col->label);
                                            $isItemOrStd = in_array($colLabel, ['검사항목', '항목']) || in_array($colLabel, ['검사기준', '기준']);
                                        @endphp
                                        <th {{ $isItemOrStd ? 'colspan=2' : '' }}
                                            {{ $hasComplex ? 'rowspan=2' : '' }}
                                            class="px-2 py-2 text-center text-xs font-medium text-gray-600 uppercase border border-gray-300">
                                            {{ $col->label }}
                                        </th>
                                    @endif
                                @endforeach
                            </tr>
                            @if($hasComplex)
                            <tr>
                                @for($si = 1; $si <= $totalMeasCols; $si++)
                                    <th class="px-2 py-1 text-center text-xs font-medium text-gray-500 border border-gray-300 bg-gray-50">
                                        n{{ $si }}
                                    </th>
                                @endfor
                            </tr>
                            @endif
                        </thead>
                        {{-- 테이블 바디 --}}
                        <tbody>
                            @php $rowNum = 0; $globalRowIndex = 0; @endphp
                            @foreach($groupedRows as $row)
                                @php $rowNum++; @endphp
                                @if($row['type'] === 'single')
                                    {{-- 단일 항목 --}}
                                    @php $item = $row['item']; $rowIndex = $globalRowIndex; $globalRowIndex++; $isMatch = $matchRow($item); @endphp
                                    <tr class="{{ $isMatch ? 'bg-yellow-50 border-l-4 border-l-yellow-400' : 'hover:bg-blue-50' }}" data-row-index="{{ $rowIndex }}" @if($isMatch) title="연결 품목 규격 범위에 해당" @endif>
                                        @foreach($template->columns as $col)
                                            @if($col->column_type === 'complex' && $col->sub_labels)
                                                {{-- 측정치: measurement_type에 따라 분기 (getFieldValue 사용) --}}
                                                @php
                                                    $mType = $item->getFieldValue('measurement_type') ?? '';
                                                    $freqN = $item->getFieldValue('frequency_n') ?: $totalMeasCols;
                                                    $remainder = $totalMeasCols - $freqN;
                                                @endphp
                                                @if($mType === 'checkbox')
                                                    @for($nIdx = 1; $nIdx <= $freqN; $nIdx++)
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}_n{$nIdx}";
                                                            $savedOK = $document?->data->where('field_key', $fieldKey . '_ok')->first()?->field_value ?? '';
                                                            $savedNG = $document?->data->where('field_key', $fieldKey . '_ng')->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center">
                                                            <label class="inline-flex items-center gap-0.5 text-xs">
                                                                <input type="checkbox" name="section_data[{{ $fieldKey }}_ok]" value="OK" {{ $savedOK === 'OK' ? 'checked' : '' }}
                                                                       data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                       class="rounded border-gray-300 text-blue-600 focus:ring-blue-500 w-3 h-3">OK
                                                            </label><br>
                                                            <label class="inline-flex items-center gap-0.5 text-xs">
                                                                <input type="checkbox" name="section_data[{{ $fieldKey }}_ng]" value="NG" {{ $savedNG === 'NG' ? 'checked' : '' }}
                                                                       data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                       class="rounded border-gray-300 text-red-600 focus:ring-red-500 w-3 h-3">NG
                                                            </label>
                                                        </td>
                                                    @endfor
                                                    @if($remainder > 0)
                                                        <td class="border border-gray-300" colspan="{{ $remainder }}"></td>
                                                    @endif
                                                @elseif($mType === 'numeric')
                                                    @for($nIdx = 1; $nIdx <= $freqN; $nIdx++)
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}_n{$nIdx}";
                                                            $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center">
                                                            <input type="number" step="any" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                   data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                   class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                                   placeholder="n{{ $nIdx }}">
                                                        </td>
                                                    @endfor
                                                    @if($remainder > 0)
                                                        <td class="border border-gray-300" colspan="{{ $remainder }}"></td>
                                                    @endif
                                                @elseif($mType === 'single_value')
                                                    @php
                                                        $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                        $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                    @endphp
                                                    <td class="px-1 py-1 border border-gray-300 text-center" colspan="{{ $totalMeasCols }}">
                                                        <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                               data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                               class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                               placeholder="입력">
                                                    </td>
                                                @elseif($mType === 'substitute')
                                                    @php
                                                        $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                        $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                    @endphp
                                                    <td class="px-1 py-1 border border-gray-300 text-center text-gray-400 text-xs" colspan="{{ $totalMeasCols }}">
                                                        <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                               data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                               class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                               placeholder="(입력)">
                                                    </td>
                                                @else
                                                    @for($nIdx = 1; $nIdx <= $totalMeasCols; $nIdx++)
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}_n{$nIdx}";
                                                            $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center">
                                                            <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                   data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                   class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                                   placeholder="n{{ $nIdx }}">
                                                        </td>
                                                    @endfor
                                                @endif
                                            @elseif($col->column_type === 'select')
                                                @php
                                                    $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                    $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                    $options = $template->footer_judgement_options ?? ['적합', '부적합'];
                                                @endphp
                                                <td class="px-1 py-1 border border-gray-300 text-center">
                                                    <select name="section_data[{{ $fieldKey }}]"
                                                            data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                            class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1">
                                                        <option value="">-</option>
                                                        @foreach($options as $opt)
                                                            <option value="{{ $opt }}" {{ $savedVal === $opt ? 'selected' : '' }}>{{ $opt }}</option>
                                                        @endforeach
                                                    </select>
                                                </td>
                                            @elseif($col->column_type === 'check')
                                                @php
                                                    $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                    $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                @endphp
                                                <td class="px-1 py-1 border border-gray-300 text-center">
                                                    <input type="checkbox" name="section_data[{{ $fieldKey }}]" value="OK" {{ $savedVal === 'OK' ? 'checked' : '' }}
                                                           data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                           class="rounded border-gray-300 text-blue-600 focus:ring-blue-500">
                                                </td>
                                            @else
                                                {{-- text: 정적 데이터 --}}
                                                @php
                                                    $label = trim($col->label);
                                                    $isNoCol = str_contains(strtolower($label), 'no') && strlen($label) <= 4;
                                                    $isItemCol = in_array($label, ['검사항목', '항목']);
                                                    $isStdCol = in_array($label, ['검사기준', '기준']);
                                                    $isMethodCol = str_contains($label, '검사방') || in_array($label, ['방식', '검사방법']);
                                                    $isFreqCol = str_contains($label, '주기') || in_array($label, ['검사주기']);
                                                    $isJudgeCol = str_contains($label, '판정');
                                                @endphp
                                                @if($isNoCol)
                                                    <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $rowNum }}</td>
                                                @elseif($isItemCol)
                                                    <td class="px-2 py-2 border border-gray-300 text-sm text-center" colspan="2">{{ $item->getFieldValue('item') ?: '-' }}</td>
                                                @elseif($isStdCol)
                                                    <td class="px-2 py-2 border border-gray-300 text-sm text-center" colspan="2">{{ $formatStandard($item) }}</td>
                                                @elseif($isMethodCol)
                                                    @php $methodVal = $item->getFieldValue('method'); @endphp
                                                    <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $methodNames[$methodVal] ?? ($methodVal ?: '-') }}</td>
                                                @elseif($isFreqCol)
                                                    <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $formatFrequency($item) }}</td>
                                                @elseif($isJudgeCol)
                                                    @php
                                                        $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                        $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                    @endphp
                                                    <td class="px-1 py-1 border border-gray-300 text-center">
                                                        <input type="checkbox" name="section_data[{{ $fieldKey }}]" value="OK" {{ $savedVal === 'OK' ? 'checked' : '' }}
                                                               data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                               class="rounded border-gray-300 text-blue-600 focus:ring-blue-500">
                                                    </td>
                                                @else
                                                    @php
                                                        $staticValue = match(true) {
                                                            in_array($label, ['규격', '적용규격', '관련규정']) => $item->getFieldValue('regulation'),
                                                            in_array($label, ['분류', '카테고리']) => $item->getFieldValue('category'),
                                                            default => null,
                                                        };
                                                    @endphp
                                                    @if($staticValue !== null)
                                                        <td class="px-2 py-2 border border-gray-300 text-sm">{{ $staticValue }}</td>
                                                    @else
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                            $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center">
                                                            <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                   data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                   class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1">
                                                        </td>
                                                    @endif
                                                @endif
                                            @endif
                                        @endforeach
                                    </tr>
                                @else
                                    {{-- 그룹 항목 --}}
                                    @php $groupItems = $row['items']; $groupCount = count($groupItems); @endphp
                                    @foreach($groupItems as $itemIdx => $item)
                                        @php $rowIndex = $globalRowIndex; $globalRowIndex++; $isMatch = $matchRow($item); @endphp
                                        <tr class="{{ $isMatch ? 'bg-yellow-50 border-l-4 border-l-yellow-400' : 'hover:bg-blue-50' }}" data-row-index="{{ $rowIndex }}" @if($isMatch) title="연결 품목 규격 범위에 해당" @endif>
                                            @foreach($template->columns as $col)
                                                @if($col->column_type === 'complex' && $col->sub_labels)
                                                    {{-- 측정치: 각 행 개별 렌더링 (getFieldValue 사용) --}}
                                                    @php
                                                        $mType = $item->getFieldValue('measurement_type') ?? '';
                                                        $freqN = $item->getFieldValue('frequency_n') ?: $totalMeasCols;
                                                        $remainder = $totalMeasCols - $freqN;
                                                    @endphp
                                                    @if($mType === 'checkbox')
                                                        @for($nIdx = 1; $nIdx <= $freqN; $nIdx++)
                                                            @php
                                                                $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}_n{$nIdx}";
                                                                $savedOK = $document?->data->where('field_key', $fieldKey . '_ok')->first()?->field_value ?? '';
                                                                $savedNG = $document?->data->where('field_key', $fieldKey . '_ng')->first()?->field_value ?? '';
                                                            @endphp
                                                            <td class="px-1 py-1 border border-gray-300 text-center">
                                                                <label class="inline-flex items-center gap-0.5 text-xs">
                                                                    <input type="checkbox" name="section_data[{{ $fieldKey }}_ok]" value="OK" {{ $savedOK === 'OK' ? 'checked' : '' }}
                                                                           data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                           class="rounded border-gray-300 text-blue-600 focus:ring-blue-500 w-3 h-3">OK
                                                                </label><br>
                                                                <label class="inline-flex items-center gap-0.5 text-xs">
                                                                    <input type="checkbox" name="section_data[{{ $fieldKey }}_ng]" value="NG" {{ $savedNG === 'NG' ? 'checked' : '' }}
                                                                           data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                           class="rounded border-gray-300 text-red-600 focus:ring-red-500 w-3 h-3">NG
                                                                </label>
                                                            </td>
                                                        @endfor
                                                        @if($remainder > 0)
                                                            <td class="border border-gray-300" colspan="{{ $remainder }}"></td>
                                                        @endif
                                                    @elseif($mType === 'numeric')
                                                        @for($nIdx = 1; $nIdx <= $freqN; $nIdx++)
                                                            @php
                                                                $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}_n{$nIdx}";
                                                                $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                            @endphp
                                                            <td class="px-1 py-1 border border-gray-300 text-center">
                                                                <input type="number" step="any" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                       data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                       class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                                       placeholder="n{{ $nIdx }}">
                                                            </td>
                                                        @endfor
                                                        @if($remainder > 0)
                                                            <td class="border border-gray-300" colspan="{{ $remainder }}"></td>
                                                        @endif
                                                    @elseif($mType === 'single_value')
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                            $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center" colspan="{{ $totalMeasCols }}">
                                                            <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                   data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                   class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                                   placeholder="입력">
                                                        </td>
                                                    @elseif($mType === 'substitute')
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                            $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center text-gray-400 text-xs" colspan="{{ $totalMeasCols }}">
                                                            <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                   data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                   class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                                   placeholder="(입력)">
                                                        </td>
                                                    @else
                                                        @for($nIdx = 1; $nIdx <= $totalMeasCols; $nIdx++)
                                                            @php
                                                                $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}_n{$nIdx}";
                                                                $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                            @endphp
                                                            <td class="px-1 py-1 border border-gray-300 text-center">
                                                                <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                       data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                       class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1"
                                                                       placeholder="n{{ $nIdx }}">
                                                            </td>
                                                        @endfor
                                                    @endif
                                                @elseif($col->column_type === 'select')
                                                    @php
                                                        $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                        $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        $options = $template->footer_judgement_options ?? ['적합', '부적합'];
                                                    @endphp
                                                    <td class="px-1 py-1 border border-gray-300 text-center">
                                                        <select name="section_data[{{ $fieldKey }}]"
                                                                data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1">
                                                            <option value="">-</option>
                                                            @foreach($options as $opt)
                                                                <option value="{{ $opt }}" {{ $savedVal === $opt ? 'selected' : '' }}>{{ $opt }}</option>
                                                            @endforeach
                                                        </select>
                                                    </td>
                                                @elseif($col->column_type === 'check')
                                                    @php
                                                        $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                        $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                    @endphp
                                                    <td class="px-1 py-1 border border-gray-300 text-center">
                                                        <input type="checkbox" name="section_data[{{ $fieldKey }}]" value="OK" {{ $savedVal === 'OK' ? 'checked' : '' }}
                                                               data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                               class="rounded border-gray-300 text-blue-600 focus:ring-blue-500">
                                                    </td>
                                                @else
                                                    {{-- text: 정적 데이터 (그룹) --}}
                                                    @php
                                                        $label = trim($col->label);
                                                        $isNoCol = str_contains(strtolower($label), 'no') && strlen($label) <= 4;
                                                        $isItemCol = in_array($label, ['검사항목', '항목']);
                                                        $isStdCol = in_array($label, ['검사기준', '기준']);
                                                        $isMethodCol = str_contains($label, '검사방') || in_array($label, ['방식', '검사방법']);
                                                        $isFreqCol = str_contains($label, '주기') || in_array($label, ['검사주기']);
                                                        $isJudgeCol = str_contains($label, '판정');
                                                    @endphp
                                                    @if($isNoCol)
                                                        @if($itemIdx === 0)
                                                            <td class="px-2 py-2 border border-gray-300 text-sm text-center" rowspan="{{ $groupCount }}">{{ $rowNum }}</td>
                                                        @endif
                                                    @elseif($isItemCol)
                                                        {{-- 구분(rowspan) + 항목명(각 행) --}}
                                                        @if($itemIdx === 0)
                                                            <td class="px-2 py-2 border border-gray-300 text-sm text-center font-medium" rowspan="{{ $groupCount }}">{{ $row['category'] }}</td>
                                                        @endif
                                                        <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $item->getFieldValue('item') ?: '-' }}</td>
                                                    @elseif($isStdCol)
                                                        {{-- 기준 + 공차 (각 행 개별) --}}
                                                        <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $formatStandard($item) }}</td>
                                                        <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $formatTolerance($item->getFieldValue('tolerance')) }}</td>
                                                    @elseif($isMethodCol)
                                                        @php $methodVal = $item->getFieldValue('method'); @endphp
                                                        <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $methodNames[$methodVal] ?? ($methodVal ?: '-') }}</td>
                                                    @elseif($isFreqCol)
                                                        <td class="px-2 py-2 border border-gray-300 text-sm text-center">{{ $formatFrequency($item) }}</td>
                                                    @elseif($isJudgeCol)
                                                        @php
                                                            $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                            $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                        @endphp
                                                        <td class="px-1 py-1 border border-gray-300 text-center">
                                                            <input type="checkbox" name="section_data[{{ $fieldKey }}]" value="OK" {{ $savedVal === 'OK' ? 'checked' : '' }}
                                                                   data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                   class="rounded border-gray-300 text-blue-600 focus:ring-blue-500">
                                                        </td>
                                                    @else
                                                        @php
                                                            $staticValue = match(true) {
                                                                in_array($label, ['규격', '적용규격', '관련규정']) => $item->getFieldValue('regulation'),
                                                                in_array($label, ['분류', '카테고리']) => $item->getFieldValue('category'),
                                                                default => null,
                                                            };
                                                        @endphp
                                                        @if($staticValue !== null)
                                                            <td class="px-2 py-2 border border-gray-300 text-sm">{{ $staticValue }}</td>
                                                        @else
                                                            @php
                                                                $fieldKey = "s{$section->id}_r{$rowIndex}_c{$col->id}";
                                                                $savedVal = $document?->data->where('field_key', $fieldKey)->first()?->field_value ?? '';
                                                            @endphp
                                                            <td class="px-1 py-1 border border-gray-300 text-center">
                                                                <input type="text" name="section_data[{{ $fieldKey }}]" value="{{ $savedVal }}"
                                                                       data-section-id="{{ $section->id }}" data-column-id="{{ $col->id }}" data-row-index="{{ $rowIndex }}"
                                                                       class="w-full text-center text-sm border-0 focus:ring-1 focus:ring-blue-400 rounded py-1">
                                                            </td>
                                                        @endif
                                                    @endif
                                                @endif
                                            @endforeach
                                        </tr>
                                    @endforeach
                                @endif
                            @endforeach
                        </tbody>
                    </table>
                </div>
                @endif

                {{-- 종합판정 / 비고 --}}
                @if($loop->last && $template->footer_judgement_label)
                <div class="mt-6 grid grid-cols-1 md:grid-cols-2 gap-4 pt-4 border-t border-gray-200">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">
                            {{ $template->footer_remark_label ?? '비고' }}
                        </label>
                        @php
                            $remarkKey = 'footer_remark';
                            $remarkVal = $document?->data->where('field_key', $remarkKey)->first()?->field_value ?? '';
                        @endphp
                        <textarea name="data[{{ $remarkKey }}]" rows="3"
                                  class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500">{{ $remarkVal }}</textarea>
                    </div>
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">
                            {{ $template->footer_judgement_label ?? '종합판정' }}
                        </label>
                        @php
                            $judgementKey = 'footer_judgement';
                            $judgementVal = $document?->data->where('field_key', $judgementKey)->first()?->field_value ?? '';
                            $judgementOptions = $template->footer_judgement_options ?? ['적합', '부적합'];
                        @endphp
                        <select name="data[{{ $judgementKey }}]"
                                class="w-full rounded-lg border-gray-300 text-sm focus:border-blue-500 focus:ring-blue-500">
                            <option value="">선택하세요</option>
                            @foreach($judgementOptions as $opt)
                                <option value="{{ $opt }}" {{ $judgementVal === $opt ? 'selected' : '' }}>{{ $opt }}</option>
                            @endforeach
                        </select>
                    </div>
                </div>
                @endif
            </div>
            @endforeach
        @endif

        {{-- 버튼 --}}
        <div class="flex justify-end gap-3">
            <a href="{{ route('documents.index') }}"
               class="px-6 py-2 bg-gray-100 text-gray-700 text-sm font-medium rounded-lg hover:bg-gray-200 transition-colors">
                취소
            </a>
            <button type="submit"
                    class="px-6 py-2 bg-blue-600 text-white text-sm font-medium rounded-lg hover:bg-blue-700 transition-colors">
                {{ $isCreate ? '저장' : '저장' }}
            </button>
            @if(!$isCreate && $document && $document->canEdit())
                <button type="button" onclick="submitForApproval()"
                        class="px-6 py-2 bg-green-600 text-white text-sm font-medium rounded-lg hover:bg-green-700 transition-colors">
                    결재 제출
                </button>
            @endif
        </div>
    </form>
    @endif
</div>
@endsection

@push('scripts')
<script>
function itemSearch(fieldKey, savedValue) {
    return {
        searchText: savedValue,
        results: [],
        showResults: false,
        init() {},
        async search() {
            if (this.searchText.length < 1) {
                this.results = [];
                this.showResults = false;
                return;
            }
            try {
                const res = await fetch(`/api/admin/items/search?q=${encodeURIComponent(this.searchText)}`, {
                    headers: { 'Accept': 'application/json' }
                });
                const json = await res.json();
                this.results = json.data || [];
                this.showResults = this.results.length > 0;
            } catch (e) {
                this.results = [];
            }
        },
        selectItem(item) {
            this.searchText = item.name;
            this.showResults = false;
        }
    };
}

document.addEventListener('DOMContentLoaded', function() {
    const form = document.getElementById('documentForm');
    if (!form) return;

    form.addEventListener('submit', function(e) {
        e.preventDefault();

        const formData = new FormData(form);
        const data = {
            template_id: formData.get('template_id'),
            title: formData.get('title'),
            data: []
        };

        // 기본 필드 수집 (data[field_key])
        for (const [key, value] of formData.entries()) {
            if (key.startsWith('data[') && key.endsWith(']')) {
                const fieldKey = key.slice(5, -1);
                data.data.push({
                    field_key: fieldKey,
                    field_value: value
                });
            }
        }

        // 섹션 테이블 데이터 수집 (section_data[field_key])
        for (const [key, value] of formData.entries()) {
            if (key.startsWith('section_data[') && key.endsWith(']')) {
                const fieldKey = key.slice(13, -1);
                const el = form.querySelector(`[name="${key}"]`);
                // 체크박스는 체크 안된 경우 skip
                if (el && el.type === 'checkbox' && !el.checked) continue;
                data.data.push({
                    field_key: fieldKey,
                    field_value: value,
                    section_id: el?.dataset?.sectionId ? parseInt(el.dataset.sectionId) : null,
                    column_id: el?.dataset?.columnId ? parseInt(el.dataset.columnId) : null,
                    row_index: el?.dataset?.rowIndex ? parseInt(el.dataset.rowIndex) : 0,
                });
            }
        }

        // 체크 안된 체크박스도 빈 값으로 전송
        form.querySelectorAll('input[type="checkbox"][name^="section_data["]').forEach(cb => {
            if (!cb.checked) {
                const fieldKey = cb.name.slice(13, -1);
                data.data.push({
                    field_key: fieldKey,
                    field_value: '',
                    section_id: cb.dataset?.sectionId ? parseInt(cb.dataset.sectionId) : null,
                    column_id: cb.dataset?.columnId ? parseInt(cb.dataset.columnId) : null,
                    row_index: cb.dataset?.rowIndex ? parseInt(cb.dataset.rowIndex) : 0,
                });
            }
        });

        const isCreate = {{ $isCreate ? 'true' : 'false' }};
        const url = isCreate ? '/api/admin/documents' : '/api/admin/documents/{{ $document?->id }}';
        const method = isCreate ? 'POST' : 'PATCH';

        fetch(url, {
            method: method,
            headers: {
                'Content-Type': 'application/json',
                'Accept': 'application/json',
                'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
            },
            body: JSON.stringify(data)
        })
        .then(response => response.json())
        .then(result => {
            if (result.success) {
                showToast(isCreate ? '문서가 저장되었습니다.' : '문서가 수정되었습니다.', 'success');
                if (isCreate && result.data?.id) {
                    window.location.href = '/documents/' + result.data.id + '/edit';
                } else {
                    window.location.href = '/documents';
                }
            } else {
                showToast(result.message || '오류가 발생했습니다.', 'error');
            }
        })
        .catch(error => {
            console.error('Error:', error);
            showToast('오류가 발생했습니다.', 'error');
        });
    });
});

@if(!$isCreate && $document)
window.submitForApproval = function() {
    if (!confirm('결재를 제출하시겠습니까? 제출 후에는 수정이 불가합니다.')) return;

    fetch('/api/admin/documents/{{ $document->id }}/submit', {
        method: 'POST',
        headers: {
            'Accept': 'application/json',
            'X-CSRF-TOKEN': document.querySelector('meta[name="csrf-token"]').content,
        }
    })
    .then(response => response.json())
    .then(result => {
        if (result.success) {
            showToast(result.message, 'success');
            window.location.href = '/documents/{{ $document->id }}';
        } else {
            showToast(result.message || '오류가 발생했습니다.', 'error');
        }
    })
    .catch(error => {
        console.error('Submit error:', error);
        showToast('결재 제출 중 오류가 발생했습니다.', 'error');
    });
};
@endif
</script>
@endpush