@extends('admin.layout.app')

@section('content')
<div class="app-content">
    <div class="container-fluid mt-4">
        <div class="row mb-3">
            <div class="col-12 d-flex flex-wrap justify-content-between align-items-center">
                <h2 class="mb-0 fw-bold">
                    <i class="bi bi-list-ul me-2 text-primary"></i> Standards
                </h2>
                <div>
                    <a href="{{ route('admin.standards.create') }}" class="btn btn-primary rounded-3 shadow me-2">
                        <i class="bi bi-plus-circle me-1"></i> Add Standard
                    </a>
                    <!-- Bulk Upload Button trigger modal -->
                    <button type="button" class="btn btn-success rounded-3 shadow" data-bs-toggle="modal" data-bs-target="#bulkUploadModal">
                        <i class="bi bi-upload me-1"></i> Bulk Upload
                    </button>
                </div>
            </div>
        </div>

        {{-- School Filter Form --}}
        <div class="row mb-3">
            <div class="col-12">
                <form action="{{ route('admin.standards.index') }}" method="GET" class="d-flex flex-wrap align-items-center gap-2">
                    <label for="school_filter" class="form-label mb-0 me-2 fw-semibold">Filter by School:</label>
                    <select name="school_id" id="school_filter" class="form-select form-select-sm w-auto">
                        <option value="">All Schools</option>
                        @php
                            $filterSchoolId = request('school_id');
                        @endphp
                        @foreach(\App\Models\School::orderBy('name')->get() as $school)
                            <option value="{{ $school->id }}" {{ $filterSchoolId == $school->id ? 'selected' : '' }}>
                                {{ $school->name }}
                            </option>
                        @endforeach
                    </select>
                    <button type="submit" class="btn btn-sm btn-outline-primary ms-2">
                        <i class="bi bi-search"></i> Filter
                    </button>
                    @if(request('school_id'))
                        <a href="{{ route('admin.standards.index') }}" class="btn btn-sm btn-link ms-2 text-danger text-decoration-underline">Reset</a>
                    @endif
                </form>
            </div>
        </div>

        @if (session('success'))
            <div class="alert alert-success alert-dismissible fade show" role="alert">
                {{ session('success') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
        @endif
        @if (session('error'))
            <div class="alert alert-danger alert-dismissible fade show m-2" role="alert">
                {{ session('error') }}
                <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
            </div>
        @endif

        <!-- Bulk Upload Modal -->
        <div class="modal fade" id="bulkUploadModal" tabindex="-1" aria-labelledby="bulkUploadModalLabel" aria-hidden="true">
          <div class="modal-dialog">
            <form action="{{ route('admin.standards.bulk-upload') }}" method="POST" enctype="multipart/form-data">
              @csrf
              <div class="modal-content">
                <div class="modal-header">
                  <h5 class="modal-title" id="bulkUploadModalLabel">Bulk Upload Standards</h5>
                  <button type="button" class="btn-close" data-bs-dismiss="modal" aria-label="Close"></button>
                </div>
                <div class="modal-body">
                  <div class="mb-3">
                      <label for="csv_file" class="form-label">Upload CSV File <span class="text-danger">*</span></label>
                      <input type="file" name="csv_file" id="csv_file" class="form-control" accept=".csv" required>
                      <small class="text-muted d-block mt-2">
                        <strong>CSV Fields (in order):</strong> Sno, School, Standard_name, Status<br>
                        <a href="{{ asset('sample-standards-upload.csv') }}" download>Download Sample CSV</a>
                      </small>
                  </div>
                </div>
                <div class="modal-footer">
                  <button type="button" class="btn btn-secondary" data-bs-dismiss="modal">Cancel</button>
                  <button type="submit" class="btn btn-success">Upload</button>
                </div>
              </div>
            </form>
          </div>
        </div>

        <div class="row">
            <div class="col-12">
                <div class="card shadow-lg border-0 rounded-4">
                    <div class="card-header bg-gradient bg-primary text-white rounded-top-4 d-flex align-items-center">
                        <i class="bi bi-clipboard-data me-2" style="font-size: 1.2rem;"></i>
                        <span class="fw-semibold">Standard List</span>
                    </div>
                    <div class="card-body p-4">
                        <div class="table-responsive">
                            <table class="table table-bordered align-middle text-center mb-0">
                                <thead class="table-light">
                                    <tr>
                                        <th>Sno</th>
                                        <th>School</th>
                                        <th>Standard Name</th>
                                        <th>Status</th>
                                        <th>Action</th>
                                    </tr>
                                </thead>
                                <tbody>
                                    @forelse ($standards as $key => $standard)
                                        <tr class="text-center">
                                            <td>{{ $key + 1 }}</td>
                                            <td class="text-center">
                                                {{ $standard->school ? $standard->school->name : '-' }}
                                            </td>
                                            <td class="text-center">{{ $standard->name ?? '-' }}</td>
                                            <td class="text-center">
                                                @if($standard->status == 'active')
                                                    <span class="badge bg-success">Active</span>
                                                @else
                                                    <span class="badge bg-secondary">Inactive</span>
                                                @endif
                                            </td>
                                            <td class="text-center">
                                                <a href="{{ route('admin.standards.edit', ['id' => $standard->id]) }}" class="btn btn-sm btn-outline-primary me-1 rounded-3" title="Edit">
                                                    <i class="bi bi-pencil"></i>
                                                </a>
                                                <form action="{{ route('admin.standards.destroy', ['id' => $standard->id]) }}" method="POST" style="display:inline-block;">
                                                    @csrf
                                                    @method('DELETE')
                                                    <button type="submit" class="btn btn-sm btn-outline-danger rounded-3" title="Delete" onclick="return confirm('Are you sure you want to delete this standard?');">
                                                        <i class="bi bi-trash"></i>
                                                    </button>
                                                </form>
                                            </td>
                                        </tr>
                                    @empty
                                        <tr>
                                            <td colspan="5" class="text-center text-muted py-4">
                                                <i class="bi bi-info-circle"></i> No standards found.
                                            </td>
                                        </tr>
                                    @endforelse
                                </tbody>
                            </table>
                        </div>
                        {{-- 
                        @if(method_exists($standards, 'links'))
                            <div class="d-flex justify-content-end mt-3">
                                {{ $standards->links('pagination::bootstrap-4') }}
                            </div>
                        @endif
                        --}}
                    </div>
                </div>
            </div>
        </div>
    </div>
</div>
@endsection