@extends('admin.perpustakaan.layout', [
    'title' => 'Admin Perpustakaan - Peminjaman Buku',
    'heading' => 'Admin: Sirkulasi Buku',
    'subheading' => 'Kelola peminjaman, pengembalian, dan denda keterlambatan buku fisik kampus dari area admin.',
])

@section('admin-perpustakaan-content')
    <div class="row">
        <div class="col-lg-4">
            <div class="card card-outline card-info">
                <div class="card-header">
                    <h3 class="card-title">Catat Peminjaman</h3>
                </div>
                <form method="POST" action="{{ route('admin.perpustakaan.loans.store') }}">
                    @csrf
                    <div class="card-body">
                        <div class="form-group">
                            <label>Buku</label>
                            <select name="book_id" class="form-control" required>
                                <option value="">Pilih buku</option>
                                @foreach ($books as $book)
                                    <option value="{{ $book->id }}">{{ $book->kode_buku }} - {{ $book->judul }} ({{ $book->stok_tersedia }} tersedia)</option>
                                @endforeach
                            </select>
                        </div>
                        <div class="form-row">
                            <div class="form-group col-md-5">
                                <label>Tipe Peminjam</label>
                                <select name="borrower_type" class="form-control" required>
                                    <option value="mahasiswa">Mahasiswa</option>
                                    <option value="dosen">Dosen</option>
                                </select>
                            </div>
                            <div class="form-group col-md-7">
                                <label>ID Peminjam</label>
                                <input type="number" name="borrower_id" class="form-control" min="1" required>
                                <small class="text-muted">Gunakan ID mahasiswa atau dosen dari referensi di bawah.</small>
                            </div>
                        </div>
                        <div class="form-row">
                            <div class="form-group col-md-6">
                                <label>Tanggal Pinjam</label>
                                <input type="date" name="tanggal_pinjam" class="form-control" value="{{ now()->toDateString() }}" required>
                            </div>
                            <div class="form-group col-md-6">
                                <label>Jatuh Tempo</label>
                                <input type="date" name="tanggal_jatuh_tempo" class="form-control" value="{{ now()->addDays(7)->toDateString() }}" required>
                            </div>
                        </div>
                        <div class="form-group">
                            <label>Denda per Hari</label>
                            <input type="number" name="denda_per_hari" class="form-control" min="0" step="0.01" value="1000" required>
                        </div>
                        <div class="form-group mb-0">
                            <label>Catatan</label>
                            <textarea name="catatan" class="form-control" rows="3"></textarea>
                        </div>
                    </div>
                    <div class="card-footer">
                        <button type="submit" class="btn btn-info btn-block">Simpan Peminjaman</button>
                    </div>
                </form>
            </div>

            <div class="card card-outline card-secondary">
                <div class="card-header">
                    <h3 class="card-title">Referensi ID Peminjam</h3>
                </div>
                <div class="card-body">
                    <p class="text-muted mb-2">Mahasiswa aktif:</p>
                    <ul class="list-unstyled small">
                        @foreach ($students->take(5) as $student)
                            <li>{{ $student->id }} - {{ $student->nama_mahasiswa }} ({{ $student->nim }})</li>
                        @endforeach
                    </ul>
                    <p class="text-muted mb-2 mt-3">Dosen aktif:</p>
                    <ul class="list-unstyled small mb-0">
                        @foreach ($lecturers->take(5) as $lecturer)
                            <li>{{ $lecturer->id }} - {{ $lecturer->nama_dosen }} ({{ $lecturer->nidn }})</li>
                        @endforeach
                    </ul>
                </div>
            </div>
        </div>

        <div class="col-lg-8">
            <div class="card">
                <div class="card-header">
                    <h3 class="card-title">Daftar Peminjaman</h3>
                </div>
                <div class="card-body">
                    <form method="GET" class="mb-3">
                        <div class="row">
                            <div class="col-md-8">
                                <input type="text" name="q" class="form-control" placeholder="Cari buku, NIM, nama mahasiswa, NIDN, atau nama dosen..." value="{{ $search }}">
                            </div>
                            <div class="col-md-2">
                                <select name="status" class="form-control">
                                    <option value="">Semua</option>
                                    @foreach (['dipinjam' => 'Dipinjam', 'dikembalikan' => 'Dikembalikan'] as $value => $label)
                                        <option value="{{ $value }}" @selected($status === $value)>{{ $label }}</option>
                                    @endforeach
                                </select>
                            </div>
                            <div class="col-md-2">
                                <button type="submit" class="btn btn-default btn-block">Filter</button>
                            </div>
                        </div>
                    </form>

                    <div class="table-responsive">
                        <table class="table table-bordered table-hover">
                            <thead>
                                <tr>
                                    <th>Buku</th>
                                    <th>Peminjam</th>
                                    <th>Pinjam / Kembali</th>
                                    <th>Denda</th>
                                    <th width="210">Aksi</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse ($loans as $loan)
                                    <tr>
                                        <td>
                                            <strong>{{ $loan->book?->judul ?? '-' }}</strong>
                                            <div class="text-muted text-sm">{{ $loan->book?->kode_buku ?? '-' }}</div>
                                        </td>
                                        <td>
                                            <strong>{{ $loan->borrowerName() }}</strong>
                                            <div class="text-muted text-sm">{{ $loan->borrowerTypeLabel() }} / {{ $loan->borrowerIdentifier() }}</div>
                                        </td>
                                        <td>
                                            <div>{{ $loan->tanggal_pinjam?->format('d M Y') ?? '-' }}</div>
                                            <div class="text-muted text-sm">Jatuh tempo: {{ $loan->tanggal_jatuh_tempo?->format('d M Y') ?? '-' }}</div>
                                            <div class="text-muted text-sm">Kembali: {{ $loan->tanggal_kembali?->format('d M Y') ?? '-' }}</div>
                                        </td>
                                        <td>
                                            <span class="badge badge-{{ $loan->isOverdue() ? 'danger' : ($loan->status === 'dikembalikan' ? 'success' : 'warning') }}">
                                                {{ $loan->status === 'dikembalikan' ? 'Dikembalikan' : ($loan->isOverdue() ? 'Overdue' : 'Dipinjam') }}
                                            </span>
                                            <div class="text-muted text-sm mt-1">Rp {{ number_format((float) $loan->nominal_denda, 0, ',', '.') }}</div>
                                        </td>
                                        <td>
                                            @if ($loan->status === 'dipinjam')
                                                <form method="POST" action="{{ route('admin.perpustakaan.loans.return', $loan) }}">
                                                    @csrf
                                                    <div class="input-group input-group-sm mb-2">
                                                        <input type="date" name="tanggal_kembali" class="form-control" value="{{ now()->toDateString() }}" required>
                                                        <div class="input-group-append">
                                                            <button type="submit" class="btn btn-success">
                                                                <i class="fas fa-undo"></i>
                                                            </button>
                                                        </div>
                                                    </div>
                                                    <input type="text" name="catatan" class="form-control form-control-sm" placeholder="Catatan pengembalian">
                                                </form>
                                            @else
                                                <span class="text-muted">Selesai diproses</span>
                                            @endif
                                        </td>
                                    </tr>
                                @empty
                                    <tr>
                                        <td colspan="5" class="text-center text-muted">Belum ada data peminjaman buku.</td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>
                    </div>

                    @include('partials.pagination-simple', ['paginator' => $loans])
                </div>
            </div>
        </div>
    </div>
@endsection