@extends('layouts.app')

@section('title', '사원 수정')

@section('content')
<div class="container mx-auto px-4 py-6 max-w-2xl">
    {{-- 페이지 헤더 --}}
    <div class="mb-6">
        <a href="{{ route('hr.employees.index') }}" class="text-sm text-gray-500 hover:text-gray-700 inline-flex items-center gap-1 mb-2">
            <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"/>
            </svg>
            사원 목록으로
        </a>
        <h1 class="text-2xl font-bold text-gray-800">사원 수정</h1>
    </div>

    {{-- 수정 폼 --}}
    <div class="bg-white rounded-lg shadow-sm p-6">
        <form id="employeeForm"
              hx-post="{{ route('api.admin.hr.employees.update', $employee->id) }}"
              hx-headers='{"X-CSRF-TOKEN": "{{ csrf_token() }}", "Accept": "application/json"}'
              hx-target="#form-message"
              hx-swap="innerHTML"
              class="space-y-6">
            <input type="hidden" name="_method" value="PUT">

            <div id="form-message"></div>

            {{-- 기본 정보 --}}
            <div class="border-b border-gray-200 pb-4 mb-4">
                <h2 class="text-lg font-semibold text-gray-700">기본 정보</h2>
            </div>

            {{-- 이름 --}}
            <div>
                <label for="name" class="block text-sm font-medium text-gray-700 mb-1">
                    이름 <span class="text-red-500">*</span>
                </label>
                <input type="text" name="name" id="name" required
                       value="{{ $employee->user?->name }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
            </div>

            {{-- 표시 이름 --}}
            <div>
                <label for="display_name" class="block text-sm font-medium text-gray-700 mb-1">표시 이름</label>
                <input type="text" name="display_name" id="display_name"
                       value="{{ $employee->display_name }}"
                       placeholder="사이드바 등에 표시되는 이름"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
            </div>

            {{-- 업무용 이메일 / 개인 이메일 --}}
            <div class="flex gap-4" style="flex-wrap: wrap;">
                <div style="flex: 1 1 200px;">
                    <label for="email" class="block text-sm font-medium text-gray-700 mb-1">업무용 이메일</label>
                    <input type="email" name="email" id="email"
                           value="{{ $employee->user?->email }}"
                           class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                </div>
                <div style="flex: 1 1 200px;">
                    <label for="personal_email" class="block text-sm font-medium text-gray-700 mb-1">개인 이메일</label>
                    <input type="email" name="personal_email" id="personal_email"
                           value="{{ $employee->personal_email }}"
                           class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                </div>
            </div>

            {{-- 연락처 --}}
            <div>
                <label for="phone" class="block text-sm font-medium text-gray-700 mb-1">연락처</label>
                <input type="text" name="phone" id="phone"
                       value="{{ $employee->user?->phone }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
            </div>

            {{-- 근무 정보 --}}
            <div class="border-b border-gray-200 pb-4 mb-4 mt-8">
                <h2 class="text-lg font-semibold text-gray-700">근무 정보</h2>
            </div>

            {{-- 부서 --}}
            <div>
                <label for="department_id" class="block text-sm font-medium text-gray-700 mb-1">부서</label>
                <select name="department_id" id="department_id"
                        class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                    <option value="">선택하세요</option>
                    @foreach($departments as $dept)
                        <option value="{{ $dept->id }}" {{ $employee->department_id == $dept->id ? 'selected' : '' }}>
                            {{ $dept->name }}
                        </option>
                    @endforeach
                </select>
            </div>

            {{-- 직급 / 직책 --}}
            <div class="flex gap-4" style="flex-wrap: wrap;">
                <div style="flex: 1 1 200px;">
                    <label class="block text-sm font-medium text-gray-700 mb-1">직급</label>
                    <div class="flex gap-2">
                        <select name="position_key" id="position_key"
                                class="flex-1 px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                            <option value="">선택하세요</option>
                            @foreach($ranks as $rank)
                                <option value="{{ $rank->key }}" {{ $employee->position_key === $rank->key ? 'selected' : '' }}>
                                    {{ $rank->name }}
                                </option>
                            @endforeach
                        </select>
                        <button type="button" onclick="openPositionModal('rank')"
                                class="shrink-0 w-9 h-9 flex items-center justify-center border border-gray-300 rounded-lg text-gray-500 hover:bg-blue-50 hover:text-blue-600 hover:border-blue-300 transition-colors"
                                title="직급 추가">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/>
                            </svg>
                        </button>
                    </div>
                </div>
                <div style="flex: 1 1 200px;">
                    <label class="block text-sm font-medium text-gray-700 mb-1">직책</label>
                    <div class="flex gap-2">
                        <select name="job_title_key" id="job_title_key"
                                class="flex-1 px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                            <option value="">선택하세요</option>
                            @foreach($titles as $title)
                                <option value="{{ $title->key }}" {{ $employee->job_title_key === $title->key ? 'selected' : '' }}>
                                    {{ $title->name }}
                                </option>
                            @endforeach
                        </select>
                        <button type="button" onclick="openPositionModal('title')"
                                class="shrink-0 w-9 h-9 flex items-center justify-center border border-gray-300 rounded-lg text-gray-500 hover:bg-blue-50 hover:text-blue-600 hover:border-blue-300 transition-colors"
                                title="직책 추가">
                            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 4v16m8-8H4"/>
                            </svg>
                        </button>
                    </div>
                </div>
            </div>

            {{-- 입사일 / 퇴직일 / 상태 --}}
            <div class="flex gap-4" style="flex-wrap: wrap;">
                <div style="flex: 1 1 150px;">
                    <label for="hire_date" class="block text-sm font-medium text-gray-700 mb-1">입사일</label>
                    <input type="date" name="hire_date" id="hire_date"
                           value="{{ $employee->hire_date }}"
                           class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                </div>
                <div style="flex: 1 1 150px;">
                    <label for="resign_date" class="block text-sm font-medium text-gray-700 mb-1">퇴직일</label>
                    <input type="date" name="resign_date" id="resign_date"
                           value="{{ $employee->resign_date }}"
                           class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                </div>
                <div style="flex: 1 1 150px;">
                    <label for="employee_status" class="block text-sm font-medium text-gray-700 mb-1">재직상태</label>
                    <select name="employee_status" id="employee_status"
                            class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                        <option value="active" {{ $employee->employee_status === 'active' ? 'selected' : '' }}>재직</option>
                        <option value="leave" {{ $employee->employee_status === 'leave' ? 'selected' : '' }}>휴직</option>
                        <option value="resigned" {{ $employee->employee_status === 'resigned' ? 'selected' : '' }}>퇴직</option>
                    </select>
                </div>
                <div style="flex: 1 1 150px;">
                    <label for="employment_type_key" class="block text-sm font-medium text-gray-700 mb-1">고용형태</label>
                    <select name="employment_type_key" id="employment_type_key"
                            class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
                        <option value="">선택</option>
                        @foreach(\App\Models\HR\Employee::EMPLOYMENT_TYPES as $key => $label)
                            <option value="{{ $key }}" {{ $employee->employment_type_key === $key ? 'selected' : '' }}>{{ $label }}</option>
                        @endforeach
                    </select>
                </div>
            </div>

            {{-- 주소 --}}
            <div>
                <label for="address" class="block text-sm font-medium text-gray-700 mb-1">주소</label>
                <input type="text" name="address" id="address"
                       value="{{ $employee->address }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
            </div>

            {{-- 비상연락처 --}}
            <div>
                <label for="emergency_contact" class="block text-sm font-medium text-gray-700 mb-1">비상연락처</label>
                <input type="text" name="emergency_contact" id="emergency_contact"
                       value="{{ $employee->emergency_contact }}"
                       class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:ring-2 focus:ring-blue-500 focus:border-blue-500">
            </div>

            {{-- 버튼 --}}
            <div class="flex justify-end gap-3 pt-4 border-t mt-6">
                <a href="{{ route('hr.employees.show', $employee->id) }}"
                   class="px-4 py-2 border border-gray-300 text-gray-700 rounded-lg hover:bg-gray-50 transition-colors">
                    취소
                </a>
                <button type="submit"
                        class="px-6 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-colors">
                    저장
                </button>
            </div>
        </form>
    </div>

    {{-- 첨부파일 --}}
    <div class="bg-white rounded-lg shadow-sm p-6 mt-6" x-data="fileUploader()">
        <div class="border-b border-gray-200 pb-4 mb-4">
            <h2 class="text-lg font-semibold text-gray-700">첨부파일</h2>
        </div>

        {{-- 기존 파일 목록 --}}
        <div id="file-list" class="space-y-2 mb-4">
            @forelse($files ?? [] as $file)
                <div class="flex items-center justify-between bg-gray-50 rounded-lg px-4 py-2" id="file-row-{{ $file->id }}">
                    <div class="flex items-center gap-2 min-w-0">
                        <svg class="w-4 h-4 text-gray-400 shrink-0" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15.172 7l-6.586 6.586a2 2 0 102.828 2.828l6.414-6.586a4 4 0 00-5.656-5.656l-6.415 6.585a6 6 0 108.486 8.486L20.5 13"/>
                        </svg>
                        <a href="{{ route('api.admin.hr.employees.download-file', [$employee->id, $file->id]) }}"
                           class="text-sm text-blue-600 hover:text-blue-800 truncate" title="{{ $file->original_name }}">
                            {{ $file->original_name }}
                        </a>
                        <span class="text-xs text-gray-400 shrink-0">{{ number_format(($file->file_size ?? 0) / 1024, 0) }}KB</span>
                    </div>
                    <button type="button" @click="deleteFile({{ $file->id }})"
                            class="text-red-400 hover:text-red-600 shrink-0 ml-2" title="삭제">
                        <svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                            <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16"/>
                        </svg>
                    </button>
                </div>
            @empty
                <p class="text-sm text-gray-400" id="no-files-msg">등록된 파일이 없습니다.</p>
            @endforelse
        </div>

        {{-- 파일 업로드 영역 --}}
        <div class="border-2 border-dashed border-gray-300 rounded-lg p-6 text-center cursor-pointer hover:border-blue-400 transition-colors"
             @dragover.prevent="dragover = true"
             @dragleave.prevent="dragover = false"
             @drop.prevent="handleDrop($event)"
             :class="dragover ? 'border-blue-400 bg-blue-50' : ''"
             @click="$refs.fileInput.click()">
            <input type="file" multiple x-ref="fileInput" @change="handleFiles($event)" class="hidden">
            <svg class="mx-auto w-8 h-8 text-gray-400 mb-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M7 16a4 4 0 01-.88-7.903A5 5 0 1115.9 6L16 6a5 5 0 011 9.9M15 13l-3-3m0 0l-3 3m3-3v12"/>
            </svg>
            <p class="text-sm text-gray-500">파일을 드래그하거나 클릭하여 업로드</p>
            <p class="text-xs text-gray-400 mt-1">파일당 최대 20MB</p>
        </div>

        {{-- 업로드 진행 상태 --}}
        <div x-show="uploading" class="mt-3 text-sm text-blue-600">업로드 중...</div>
    </div>

    {{-- 개인정보 및 연봉정보 (특수 권한 사용자만 표시) --}}
    @if($canViewSalary)
        @include('hr.employees.partials.salary-info', ['editMode' => true])
    @endif
</div>

{{-- 직급/직책 추가 모달 --}}
@include('hr.employees.partials.position-add-modal')
@endsection

@push('scripts')
<script>
    function fileUploader() {
        return {
            dragover: false,
            uploading: false,

            async handleFiles(event) {
                await this.upload(event.target.files);
                event.target.value = '';
            },

            async handleDrop(event) {
                this.dragover = false;
                await this.upload(event.dataTransfer.files);
            },

            async upload(files) {
                if (!files.length) return;
                this.uploading = true;

                const formData = new FormData();
                for (const file of files) {
                    formData.append('files[]', file);
                }

                try {
                    const res = await fetch('{{ route("api.admin.hr.employees.upload-file", $employee->id) }}', {
                        method: 'POST',
                        headers: {
                            'X-CSRF-TOKEN': '{{ csrf_token() }}',
                            'Accept': 'application/json',
                            'X-Requested-With': 'XMLHttpRequest'
                        },
                        body: formData
                    });
                    const json = await res.json();

                    if (json.success) {
                        showToast(json.message, 'success');
                        location.reload();
                    } else {
                        showToast(json.message || '업로드 실패', 'error');
                    }
                } catch (e) {
                    showToast('파일 업로드 중 오류가 발생했습니다.', 'error');
                } finally {
                    this.uploading = false;
                }
            },

            async deleteFile(fileId) {
                if (!confirm('이 파일을 삭제하시겠습니까?')) return;

                try {
                    const res = await fetch('{{ url("/api/admin/hr/employees") }}/{{ $employee->id }}/files/' + fileId, {
                        method: 'DELETE',
                        headers: {
                            'X-CSRF-TOKEN': '{{ csrf_token() }}',
                            'Accept': 'application/json',
                            'X-Requested-With': 'XMLHttpRequest'
                        }
                    });
                    const json = await res.json();

                    if (json.success) {
                        showToast(json.message, 'success');
                        const row = document.getElementById('file-row-' + fileId);
                        if (row) row.remove();
                    } else {
                        showToast(json.message || '삭제 실패', 'error');
                    }
                } catch (e) {
                    showToast('파일 삭제 중 오류가 발생했습니다.', 'error');
                }
            }
        };
    }

    document.body.addEventListener('htmx:afterRequest', function(event) {
        if (event.detail.elt.id !== 'employeeForm') return;

        const xhr = event.detail.xhr;
        try {
            const response = JSON.parse(xhr.responseText);

            if (response.success) {
                showToast(response.message || '사원 정보가 수정되었습니다.', 'success');
                window.location.href = '{{ route('hr.employees.show', $employee->id) }}';
                return;
            }

            let msg = response.message || '저장에 실패했습니다.';
            if (response.error) msg += '\n' + response.error;
            showToast(msg, 'error', 5000);
        } catch (e) {
            if (!event.detail.successful) {
                showToast('서버 오류가 발생했습니다. (HTTP ' + xhr.status + ')', 'error', 5000);
            }
        }
    });

    document.body.addEventListener('htmx:responseError', function(event) {
        if (event.detail.elt.id !== 'employeeForm') return;

        const xhr = event.detail.xhr;
        try {
            const response = JSON.parse(xhr.responseText);

            if (xhr.status === 422 && response.errors) {
                const messages = [];
                for (const field in response.errors) {
                    messages.push(response.errors[field].join(', '));
                }
                showToast(messages.join('\n'), 'error', 6000);
            } else {
                let msg = response.message || '오류가 발생했습니다.';
                if (response.error) msg += '\n' + response.error;
                showToast(msg, 'error', 5000);
            }
        } catch (e) {
            showToast('서버 오류가 발생했습니다. (HTTP ' + xhr.status + ')', 'error', 5000);
        }
    });
</script>
@endpush