@extends('layouts.app')
@section('title','Mata Kuliah')
@section('topbar-title','Mata Kuliah')

@section('content')
<div class="page-header d-flex align-items-center justify-content-between flex-wrap gap-2">
    <div class="page-title">Daftar Mata Kuliah</div>
    <a href="{{ route('admin.matkul.create') }}" class="btn-arn">
        <i class="bi bi-plus-lg me-1"></i>Tambah Mata Kuliah
    </a>
</div>

@if(session('success'))
<div class="alert alert-success alert-dismissible fade show py-2 px-3" style="font-size:.85rem;">
    <i class="bi bi-check-circle-fill me-1"></i>{{ session('success') }}
    <button type="button" class="btn-close btn-sm" data-bs-dismiss="alert"></button>
</div>
@endif

{{-- Filter & Search --}}
<div class="content-card mb-4">
    <div class="content-card-body">
        <form method="GET" action="{{ route('admin.matkul.index') }}" class="row g-2 align-items-end">
            <div class="col-md-3">
                <label class="form-label fw-semibold" style="font-size:.8rem;">Cari Nama / Kode</label>
                <input type="text" name="search" class="form-control form-control-sm"
                       placeholder="Nama atau kode matkul..." value="{{ request('search') }}">
            </div>
            <div class="col-md-3">
                <label class="form-label fw-semibold" style="font-size:.8rem;">Dosen</label>
                <select name="dosen_id" class="form-select form-select-sm">
                    <option value="">Semua Dosen</option>
                    @foreach($dosens as $d)
                    <option value="{{ $d->id }}" {{ request('dosen_id') == $d->id ? 'selected' : '' }}>
                        {{ $d->nama }}
                    </option>
                    @endforeach
                </select>
            </div>
            <div class="col-md-2">
                <label class="form-label fw-semibold" style="font-size:.8rem;">Semester</label>
                <select name="semester" class="form-select form-select-sm">
                    <option value="">Semua</option>
                    @for($i = 1; $i <= 14; $i++)
                    <option value="{{ $i }}" {{ request('semester') == $i ? 'selected' : '' }}>Semester {{ $i }}</option>
                    @endfor
                </select>
            </div>
            <div class="col-md-2">
                <label class="form-label fw-semibold" style="font-size:.8rem;">Status</label>
                <select name="status" class="form-select form-select-sm">
                    <option value="">Semua</option>
                    <option value="aktif"    {{ request('status')=='aktif'    ? 'selected' : '' }}>Aktif</option>
                    <option value="nonaktif" {{ request('status')=='nonaktif' ? 'selected' : '' }}>Non-Aktif</option>
                </select>
            </div>
            <div class="col-md-2 d-flex gap-2">
                <button type="submit" class="btn btn-sm btn-arn flex-grow-1">
                    <i class="bi bi-search me-1"></i>Cari
                </button>
                <a href="{{ route('admin.matkul.index') }}" class="btn btn-sm btn-outline-secondary">
                    <i class="bi bi-x-lg"></i>
                </a>
            </div>
        </form>
    </div>
</div>

<div class="content-card">
    <div class="table-responsive">
        <table class="table table-arn mb-0">
            <thead>
                <tr>
                    <th>#</th>
                    <th>Kode</th>
                    <th>Nama Mata Kuliah</th>
                    <th>Dosen</th>
                    <th>SKS</th>
                    <th>Semester</th>
                    <th>Periode</th>
                    <th>Status</th>
                    <th>Aksi</th>
                </tr>
            </thead>
            <tbody>
                @forelse($matkulList as $i => $m)
                @php $aktif = $m->isAktif(); @endphp
                <tr style="{{ !$aktif ? 'opacity:.7;' : '' }}">
                    <td style="color:#5a7a7a;font-size:.8rem;">{{ $matkulList->firstItem() + $i }}</td>
                    <td><span style="font-family:monospace;font-weight:700;color:#0d9488;">{{ $m->kode }}</span></td>
                    <td>
                        <div style="font-weight:600;font-size:.88rem;">{{ $m->nama }}</div>
                        @if(!$aktif && $m->tanggal_selesai && $m->tanggal_selesai->isPast())
                        <div style="font-size:.7rem;color:#b91c1c;"><i class="bi bi-clock-history me-1"></i>Periode selesai {{ $m->tanggal_selesai->format('d/m/Y') }}</div>
                        @endif
                    </td>
                    <td style="font-size:.85rem;">{{ $m->dosen->nama ?? '-' }}</td>
                    <td class="text-center">{{ $m->sks }}</td>
                    <td style="font-size:.82rem;">
                        @if($m->semester)
                        <span class="badge bg-secondary">Semester {{ $m->semester }}</span>
                        @else
                        -
                        @endif
                    </td>
                    <td style="font-size:.78rem;color:#374151;">
                        @if($m->tanggal_mulai || $m->tanggal_selesai)
                        <i class="bi bi-calendar-range me-1" style="color:#0d9488;"></i>
                        {{ $m->periodeLabel() }}
                        @else
                        <span style="color:#94a3b8;">-</span>
                        @endif
                    </td>
                    <td>
                        @if($aktif)
                        <span class="badge-hadir">Aktif</span>
                        @else
                        <span class="badge-alpha">Non-Aktif</span>
                        @endif
                    </td>
                    <td>
                        <div class="d-flex gap-1">
                            <a href="{{ route('admin.matkul.edit', $m) }}"
                               class="btn btn-sm" style="background:rgba(20,184,166,.1);color:#0d9488;border:1px solid rgba(20,184,166,.2);">
                                <i class="bi bi-pencil-fill"></i>
                            </a>
                            <form method="POST" action="{{ route('admin.matkul.destroy', $m) }}"
                                  onsubmit="return confirm('Hapus mata kuliah ini?')" class="d-inline">
                                @csrf @method('DELETE')
                                <button type="submit" class="btn btn-sm btn-outline-danger">
                                    <i class="bi bi-trash-fill"></i>
                                </button>
                            </form>
                        </div>
                    </td>
                </tr>
                @empty
                <tr>
                    <td colspan="9" class="text-center py-5" style="color:#5a7a7a;">
                        <i class="bi bi-inbox fs-1 d-block mb-2 opacity-25"></i>
                        Belum ada mata kuliah
                    </td>
                </tr>
                @endforelse
            </tbody>
        </table>
    </div>
    @if($matkulList->hasPages())
    <div class="p-3 border-top">{{ $matkulList->links() }}</div>
    @endif
</div>
@endsection