@extends('layouts.app')

@section('title', 'Persetujuan KRS - SIAKAD')
@section('page-title', 'Persetujuan KRS')

@section('content')
{{-- Info Jadwal Persetujuan --}}
@if(!$isPersetujuanAktif)
    <div class="alert alert-warning d-flex align-items-center" role="alert">
        <i class="bi bi-exclamation-triangle-fill me-2"></i>
        <div>
            @if($jadwalPersetujuan)
                Persetujuan KRS akan dibuka pada {{ \Carbon\Carbon::parse($jadwalPersetujuan->tanggal_mulai)->format('d M Y') }} - {{ \Carbon\Carbon::parse($jadwalPersetujuan->tanggal_selesai)->format('d M Y') }}
            @else
                <strong>Belum waktunya persetujuan KRS.</strong> Silakan tunggu jadwal yang ditentukan oleh admin.
            @endif
        </div>
    </div>
@else
    <div class="alert alert-success d-flex align-items-center" role="alert">
        <i class="bi bi-check-circle-fill me-2"></i>
        <div>
            <strong>Persetujuan KRS sedang dibuka!</strong>
            @if($jadwalPersetujuan)
                Sampai {{ \Carbon\Carbon::parse($jadwalPersetujuan->tanggal_selesai)->format('d M Y') }}
            @endif
        </div>
    </div>
@endif

<div class="row">
    <!-- Pending Approval -->
    <div class="col-12">
        <div class="card">
            <div class="card-header">
                <div>
                    <h5 class="mb-0"><i class="bi bi-hourglass-split me-2"></i>Menunggu Persetujuan</h5>
                    <small class="text-muted">
                        Tahun Akademik: {{ $tahunAktif->tahun ?? 'N/A' }} - Semester {{ ucfirst($tahunAktif->semester ?? '') }}
                    </small>
                </div>
                @if($pendingKrs->count() > 0 && $isPersetujuanAktif)
                <form action="{{ route('dosen.krs.bulk-approve') }}" method="POST" id="bulkApproveForm">
                    @csrf
                    <button type="submit" class="btn btn-success" onclick="return confirm('Setujui semua KRS yang dipilih?')">
                        <i class="bi bi-check-all me-2"></i>Setujui Terpilih
                    </button>
                </form>
                @endif
            </div>
            <div class="card-body p-0">
                <div class="table-responsive">
                    <table class="table table-hover mb-0">
                        <thead>
                            <tr>
                                <th style="width: 40px;">
                                    <input type="checkbox" id="selectAllPending">
                                </th>
                                <th style="width: 100px;">NIM</th>
                                <th>Nama Mahasiswa</th>
                                <th style="width: 100px;">Prodi</th>
                                <th style="width: 100px;">Kode MK</th>
                                <th>Mata Kuliah</th>
                                <th style="width: 60px;">SKS</th>
                                <th style="width: 120px;">Aksi</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse($pendingKrs as $krs)
                            <tr>
                                <td>
                                    <input type="checkbox" name="krs_ids[]" value="{{ $krs->id }}" form="bulkApproveForm" class="krs-checkbox">
                                </td>
                                <td><span class="badge bg-secondary">{{ $krs->mahasiswa->nim }}</span></td>
                                <td><strong>{{ $krs->mahasiswa->nama }}</strong></td>
                                <td class="text-muted">{{ $krs->mahasiswa->prodi->nama ?? '-' }}</td>
                                <td><span class="badge bg-primary">{{ $krs->matakuliah->kode }}</span></td>
                                <td>{{ $krs->matakuliah->nama }}</td>
                                <td><span class="badge bg-warning text-dark">{{ $krs->matakuliah->sks }}</span></td>
                                <td class="text-nowrap text-center">
                                    <form action="{{ route('dosen.krs.approve', $krs) }}" method="POST" class="d-inline">
                                        @csrf
                                        <button type="submit" class="action-btn view" title="Setujui" onclick="return confirm('Setujui KRS ini?')">
                                            <i class="bi bi-check-lg"></i>
                                        </button>
                                    </form>
                                    <form action="{{ route('dosen.krs.reject', $krs) }}" method="POST" class="d-inline">
                                        @csrf
                                        <button type="submit" class="action-btn delete" title="Tolak" onclick="return confirm('Tolak KRS ini?')">
                                            <i class="bi bi-x-lg"></i>
                                        </button>
                                    </form>
                                </td>
                            </tr>
                            @empty
                            <tr>
                                <td colspan="8" class="text-center py-5">
                                    <div class="text-muted">
                                        <i class="bi bi-check-circle fs-1 d-block mb-2 text-success"></i>
                                        <span>Tidak ada KRS yang menunggu persetujuan</span>
                                    </div>
                                </td>
                            </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</div>

<div class="row mt-4">
    <!-- Approved -->
    <div class="col-12">
        <div class="card">
            <div class="card-header">
                <h5 class="mb-0"><i class="bi bi-check-circle me-2"></i>Disetujui</h5>
            </div>
            <div class="card-body p-0">
                <div class="table-responsive">
                    <table class="table table-hover mb-0">
                        <thead>
                            <tr>
                                <th style="width: 100px;">NIM</th>
                                <th>Nama Mahasiswa</th>
                                <th style="width: 100px;">Prodi</th>
                                <th style="width: 100px;">Kode MK</th>
                                <th>Mata Kuliah</th>
                                <th style="width: 60px;">SKS</th>
                                <th style="width: 100px;">Status</th>
                                <th style="width: 80px;">Aksi</th>
                            </tr>
                        </thead>
                        <tbody>
                            @forelse($approvedKrs as $krs)
                            <tr>
                                <td><span class="badge bg-secondary">{{ $krs->mahasiswa->nim }}</span></td>
                                <td><strong>{{ $krs->mahasiswa->nama }}</strong></td>
                                <td class="text-muted">{{ $krs->mahasiswa->prodi->nama ?? '-' }}</td>
                                <td><span class="badge bg-primary">{{ $krs->matakuliah->kode }}</span></td>
                                <td>{{ $krs->matakuliah->nama }}</td>
                                <td><span class="badge bg-warning text-dark">{{ $krs->matakuliah->sks }}</span></td>
                                <td><span class="badge bg-success">Disetujui</span></td>
                                <td>
                                    @if($isPersetujuanAktif)
                                        <form action="{{ route('dosen.krs.destroy', $krs) }}" method="POST" class="d-inline" onsubmit="return confirm('Hapus KRS ini? Mahasiswa akan diberitahu.')">
                                            @csrf
                                            @method('DELETE')
                                            <button type="submit" class="btn btn-sm btn-outline-danger" title="Hapus KRS">
                                                <i class="bi bi-trash"></i>
                                            </button>
                                        </form>
                                    @endif
                                </td>
                            </tr>
                            @empty
                            <tr>
                                <td colspan="8" class="text-center py-5">
                                    <div class="text-muted">
                                        <i class="bi bi-inbox fs-1 d-block mb-2"></i>
                                        <span>Belum ada KRS yang disetujui</span>
                                    </div>
                                </td>
                            </tr>
                            @endforelse
                        </tbody>
                    </table>
                </div>
            </div>
        </div>
    </div>
</div>

@push('scripts')
<script>
    document.getElementById('selectAllPending')?.addEventListener('change', function() {
        const checkboxes = document.querySelectorAll('.krs-checkbox');
        checkboxes.forEach(cb => cb.checked = this.checked);
    });
</script>
@endpush
@endsection