@extends('layouts.app')

@section('title', '부서 수정')

@section('content')
<div class="container mx-auto max-w-4xl">
    <!-- 페이지 헤더 -->
    <div class="flex justify-between items-center mb-6">
        <h1 class="text-2xl font-bold text-gray-800">🏢 부서 수정</h1>
        <a href="{{ route('departments.index') }}" class="text-gray-600 hover:text-gray-800">
            ← 목록으로
        </a>
    </div>

    <!-- 폼 영역 -->
    <div class="bg-white rounded-lg shadow-sm p-6">
        <form id="departmentForm"
              hx-post="/api/admin/departments/{{ $department->id }}"
              hx-headers='{"X-CSRF-TOKEN": "{{ csrf_token() }}"}'
              hx-swap="none">
            <input type="hidden" name="_method" value="PUT">

            <!-- 기본 정보 -->
            <div class="mb-8">
                <h2 class="text-lg font-semibold text-gray-800 mb-4 pb-2 border-b">기본 정보</h2>
                <div class="grid grid-cols-2 gap-4">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">
                            부서 코드 <span class="text-red-500">*</span>
                        </label>
                        <input type="text" name="code" required maxlength="50"
                               value="{{ old('code', $department->code) }}"
                               placeholder="예: DEV, SALES"
                               class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
                        <p class="text-xs text-gray-500 mt-1">최대 50자까지 입력 가능합니다.</p>
                    </div>
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">
                            부서명 <span class="text-red-500">*</span>
                        </label>
                        <input type="text" name="name" required maxlength="100"
                               value="{{ old('name', $department->name) }}"
                               placeholder="예: 개발팀, 영업팀"
                               class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
                        <p class="text-xs text-gray-500 mt-1">최대 100자까지 입력 가능합니다.</p>
                    </div>
                </div>
            </div>

            <!-- 부서 설정 -->
            <div class="mb-8">
                <h2 class="text-lg font-semibold text-gray-800 mb-4 pb-2 border-b">부서 설정</h2>
                <div class="grid grid-cols-2 gap-4">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">상위 부서</label>
                        <select name="parent_id" class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
                            <option value="">없음 (최상위 부서)</option>
                            @foreach($departments as $dept)
                                @if($dept->id !== $department->id)
                                    <option value="{{ $dept->id }}" {{ old('parent_id', $department->parent_id) == $dept->id ? 'selected' : '' }}>
                                        {{ $dept->name }} ({{ $dept->code }})
                                    </option>
                                @endif
                            @endforeach
                        </select>
                        <p class="text-xs text-gray-500 mt-1">자기 자신은 선택할 수 없습니다.</p>
                    </div>
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">정렬 순서</label>
                        <input type="number" name="sort_order" min="0"
                               value="{{ old('sort_order', $department->sort_order) }}"
                               class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
                        <p class="text-xs text-gray-500 mt-1">숫자가 작을수록 먼저 표시됩니다.</p>
                    </div>
                </div>
            </div>

            <!-- 설명 및 상태 -->
            <div class="mb-8">
                <h2 class="text-lg font-semibold text-gray-800 mb-4 pb-2 border-b">추가 정보</h2>
                <div class="space-y-4">
                    <div>
                        <label class="block text-sm font-medium text-gray-700 mb-1">설명</label>
                        <textarea name="description" rows="3" maxlength="500"
                                  placeholder="부서에 대한 설명을 입력하세요"
                                  class="w-full px-4 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">{{ old('description', $department->description) }}</textarea>
                        <p class="text-xs text-gray-500 mt-1">최대 500자까지 입력 가능합니다.</p>
                    </div>
                    <div class="flex items-center">
                        <input type="checkbox" name="is_active" value="1" {{ old('is_active', $department->is_active) ? 'checked' : '' }}
                               class="h-4 w-4 text-blue-600 rounded focus:ring-2 focus:ring-blue-500">
                        <label class="ml-2 text-sm text-gray-700">활성 상태</label>
                    </div>
                </div>
            </div>

            <!-- 부서 정보 -->
            <div class="mb-8">
                <h2 class="text-lg font-semibold text-gray-800 mb-4 pb-2 border-b">부서 정보</h2>
                <div class="grid grid-cols-2 gap-4 text-sm">
                    <div>
                        <span class="text-gray-600">생성일:</span>
                        <span class="font-medium">{{ $department->created_at->format('Y-m-d H:i') }}</span>
                    </div>
                    <div>
                        <span class="text-gray-600">수정일:</span>
                        <span class="font-medium">{{ $department->updated_at->format('Y-m-d H:i') }}</span>
                    </div>
                    <div>
                        <span class="text-gray-600">하위 부서 수:</span>
                        <span class="font-medium">{{ $department->children->count() }}개</span>
                    </div>
                    <div>
                        <span class="text-gray-600">부서 ID:</span>
                        <span class="font-medium">#{{ $department->id }}</span>
                    </div>
                </div>
            </div>

            <!-- 버튼 영역 -->
            <div class="flex justify-end gap-3">
                <a href="{{ route('departments.index') }}"
                   class="px-6 py-2 border border-gray-300 rounded-lg text-gray-700 hover:bg-gray-50 transition">
                    취소
                </a>
                <button type="submit"
                        class="px-6 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition">
                    수정
                </button>
            </div>
        </form>
    </div>
</div>
@endsection

@push('scripts')
<script src="https://unpkg.com/htmx.org@1.9.10"></script>
<script>
    // HTMX 응답 처리
    document.body.addEventListener('htmx:afterRequest', function(event) {
        if (event.detail.target.id === 'departmentForm') {
            const response = JSON.parse(event.detail.xhr.response);
            if (response.success) {
                showToast(response.message, 'success');
                window.location.href = response.redirect;
            } else {
                showToast(response.message || '부서 수정에 실패했습니다.', 'error');
            }
        }
    });

    // 에러 처리
    document.body.addEventListener('htmx:responseError', function(event) {
        if (event.detail.xhr.status === 422) {
            const errors = JSON.parse(event.detail.xhr.response).errors;
            let errorMsg = '입력 오류: ';
            for (let field in errors) {
                errorMsg += errors[field].join(', ') + ' ';
            }
            showToast(errorMsg, 'error');
        } else {
            showToast('서버 오류가 발생했습니다.', 'error');
        }
    });
</script>
@endpush