@extends('simaju.layouts.main')
@section('title', 'Cetak Kartu Pelajar')

@push('css')
<style>
    .checkbox-col { width: 50px; text-align: center; }
    .select-all { cursor: pointer; }
</style>
@endpush

@section('content')
<div class="p-4">
    <div class="flex justify-between items-center mb-6">
        <h1 class="text-2xl font-bold text-gray-800">Cetak Kartu Pelajar</h1>
    </div>

    <form id="printForm" action="{{ route('simaju.kartu-pelajar.print') }}" method="POST">
        @csrf

        <div class="bg-white rounded-lg shadow-md p-6 mb-6">
            <h2 class="text-lg font-semibold text-gray-700 mb-4">Pilih Siswa</h2>

            <div class="flex gap-4 mb-4">
                <div class="flex-1">
                    <label class="block text-sm font-medium text-gray-700 mb-1">Filter Kelas</label>
                    <select id="filterKelas" class="w-full px-3 py-2 border border-gray-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500">
                        <option value="">Semua Kelas</option>
                        @foreach($kelasList as $kelas)
                        <option value="{{ $kelas->id }}">{{ $kelas->nama_kelas }} - {{ $kelas->jurusan->nama_jurusan ?? '' }}</option>
                        @endforeach
                    </select>
                </div>
            </div>

            <div class="overflow-x-auto">
                <table class="w-full border-collapse" id="siswaTable">
                    <thead>
                        <tr class="bg-gray-100 text-left">
                            <th class="checkbox-col px-4 py-3">
                                <input type="checkbox" id="selectAll" class="select-all rounded border-gray-300">
                            </th>
                            <th class="px-4 py-3">NIS</th>
                            <th class="px-4 py-3">Nama</th>
                            <th class="px-4 py-3">Kelas</th>
                            <th class="px-4 py-3">JK</th>
                        </tr>
                    </thead>
                    <tbody>
                        @php
                        $allSiswas = \App\Models\Siswa::with('kelas.jurusan')->orderBy('nama')->get();
                        @endphp
                        @foreach($allSiswas as $siswa)
                        <tr class="border-b border-gray-200 hover:bg-gray-50 siswa-row" data-kelas-id="{{ $siswa->kelas_id ?? '' }}">
                            <td class="checkbox-col px-4 py-3 text-center">
                                <input type="checkbox" name="siswa_ids[]" value="{{ $siswa->id }}" class="siswa-checkbox rounded border-gray-300">
                            </td>
                            <td class="px-4 py-3">{{ $siswa->nis }}</td>
                            <td class="px-4 py-3">{{ $siswa->nama }}</td>
                            <td class="px-4 py-3">{{ $siswa->kelas?->nama_kelas ?? '-' }} {{ $siswa->kelas?->jurusan?->nama_jurusan ? '- ' . $siswa->kelas->jurusan->nama_jurusan : '' }}</td>
                            <td class="px-4 py-3">{{ $siswa->jk }}</td>
                        </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>

            <div class="mt-4 flex items-center justify-between">
                <p class="text-sm text-gray-600">
                    Terpilih: <span id="selectedCount">0</span> siswa
                </p>
                <button type="submit" id="printBtn" class="px-6 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700 disabled:bg-gray-400 disabled:cursor-not-allowed transition">
                    <i class="fas fa-print mr-2"></i>Cetak Kartu
                </button>
            </div>
        </div>
    </form>
</div>
@endsection

@push('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    const selectAll = document.getElementById('selectAll');
    const checkboxes = document.querySelectorAll('.siswa-checkbox');
    const selectedCount = document.getElementById('selectedCount');
    const filterKelas = document.getElementById('filterKelas');
    const printBtn = document.getElementById('printBtn');
    const rows = document.querySelectorAll('.siswa-row');

    // Select all checkbox
    selectAll.addEventListener('change', function() {
        const visibleCheckboxes = document.querySelectorAll('.siswa-checkbox:not(:disabled)');
        visibleCheckboxes.forEach(cb => cb.checked = this.checked);
        updateCount();
    });

    // Individual checkbox change
    checkboxes.forEach(cb => {
        cb.addEventListener('change', function() {
            updateCount();
            // Uncheck select all if not all checked
            const allChecked = document.querySelectorAll('.siswa-checkbox:not(:disabled)');
            const checkedCount = document.querySelectorAll('.siswa-checkbox:checked:not(:disabled)');
            selectAll.checked = allChecked.length === checkedCount.length;
        });
    });

    // Filter by class
    filterKelas.addEventListener('change', function() {
        const kelasId = this.value;
        rows.forEach(row => {
            if (!kelasId || row.dataset.kelasId === kelasId) {
                row.style.display = '';
            } else {
                row.style.display = 'none';
                const cb = row.querySelector('.siswa-checkbox');
                if (cb) cb.checked = false;
            }
        });
        updateCount();
    });

    function updateCount() {
        const visibleChecked = document.querySelectorAll('.siswa-checkbox:checked:not(:disabled)');
        selectedCount.textContent = visibleChecked.length;
        printBtn.disabled = visibleChecked.length === 0;
    }

    // Initial state
    updateCount();
});
</script>
@endpush