@extends('layouts.app')
@section('title', 'Pengingat WhatsApp')

@section('content')
<div class="card mb-3">
    <div class="card-body d-flex align-items-center gap-3 bg-hijau-soft rounded-soft">
        <i class="bi bi-whatsapp fs-1 text-hijau"></i>
        <div>
            <h5 class="mb-0 fw-bold">Kirim Pengingat Tagihan via WhatsApp</h5>
            <p class="mb-0 text-muted small">Fitur unggulan yang tidak ada di aplikasi Excel. Satu klik untuk mengirim rincian tagihan ke orang tua siswa yang menunggak. Pesan otomatis tersusun dari template pada menu <b>Data Sekolah</b>.</p>
        </div>
    </div>
</div>

<div class="card">
    <div class="card-header d-flex justify-content-between align-items-center flex-wrap gap-2">
        <span><i class="bi bi-people text-hijau"></i> Siswa Menunggak ({{ count($daftar) }})</span>
        <form method="GET" class="d-flex gap-2">
            <select name="kelas" class="form-select form-select-sm" onchange="this.form.submit()">
                <option value="">Semua Kelas</option>
                @foreach($daftarKelas as $k)<option value="{{ $k }}" @selected($kelas==$k)>{{ $k }}</option>@endforeach
            </select>
        </form>
    </div>
    <div class="table-responsive">
        <table class="table table-hover align-middle mb-0">
            <thead><tr><th>Siswa</th><th>Kelas</th><th>Rincian Tunggakan</th><th class="text-end">Total</th><th>No WA</th><th class="text-end">Aksi</th></tr></thead>
            <tbody>
            @forelse($daftar as $d)
                <tr>
                    <td>{{ $d['s']->nama }}<br><small class="text-muted">{{ $d['s']->no_induk }}</small></td>
                    <td><span class="badge bg-hijau-soft">{{ $d['s']->kelas }}</span></td>
                    <td><small class="text-muted">{{ collect($d['tagihan']['rincian'])->pluck('label')->implode(', ') }}</small></td>
                    <td class="text-end fw-bold text-danger">{{ rp($d['tagihan']['total']) }}</td>
                    <td>{{ $d['s']->wa_ortu ?? '—' }}</td>
                    <td class="text-end text-nowrap">
                        <button class="btn btn-sm btn-outline-primary" data-bs-toggle="modal" data-bs-target="#m{{ $d['s']->id }}" title="Lihat pesan"><i class="bi bi-eye"></i></button>
                        @if($d['waLink'])
                            <a href="{{ $d['waLink'] }}" target="_blank" class="btn btn-sm btn-info"><i class="bi bi-whatsapp"></i> Kirim</a>
                        @else
                            <a href="{{ route('students.edit', $d['s']) }}" class="btn btn-sm btn-outline-danger" title="No WA belum diisi"><i class="bi bi-telephone-x"></i> Isi No</a>
                        @endif
                    </td>
                </tr>
                {{-- Modal preview pesan --}}
                <div class="modal fade" id="m{{ $d['s']->id }}" tabindex="-1">
                    <div class="modal-dialog">
                        <div class="modal-content rounded-soft">
                            <div class="modal-header"><h5 class="modal-title"><i class="bi bi-chat-dots text-hijau"></i> Pesan untuk {{ $d['s']->nama }}</h5>
                                <button class="btn-close" data-bs-dismiss="modal"></button></div>
                            <div class="modal-body">
                                <pre class="bg-hijau-soft rounded-soft p-3" style="white-space:pre-wrap;font-family:inherit">{{ $d['pesan'] }}</pre>
                            </div>
                            <div class="modal-footer">
                                @if($d['waLink'])<a href="{{ $d['waLink'] }}" target="_blank" class="btn btn-info"><i class="bi bi-whatsapp"></i> Kirim via WhatsApp</a>@endif
                                <button class="btn btn-outline-primary" data-bs-dismiss="modal">Tutup</button>
                            </div>
                        </div>
                    </div>
                </div>
            @empty
                <tr><td colspan="6" class="text-center text-muted py-5"><i class="bi bi-emoji-sunglasses fs-3"></i><br>Tidak ada siswa menunggak. Semua lunas! 🎉</td></tr>
            @endforelse
            </tbody>
        </table>
    </div>
</div>
@endsection