{{-- resources/views/admin/akademik/mapel/index.blade.php --}}
@extends('layouts.admin')
@section('title', 'Mata Pelajaran')

@section('content')
<div class="page-inner">
    {{-- HEADER HALAMAN --}}
    <div class="d-flex align-items-left align-items-md-center flex-column flex-md-row pt-2 pb-4">
        <div>
            <h3 class="fw-bold mb-3">Manajemen Mata Pelajaran</h3>
            <h6 class="op-7 mb-2">Kurikulum Tahun Ajaran {{ $selectedTahun->tahun_ajaran ?? '-' }}</h6>
        </div>
        
        <div class="ms-md-auto py-2 py-md-0">
            <form action="{{ route('admin.mapel.index') }}" method="GET" class="d-flex align-items-center bg-white p-2 rounded shadow-sm">
                <label class="me-2 fw-bold small text-nowrap">Tahun Ajaran:</label>
                <select name="tahun_ajaran_id" class="form-select form-select-sm" onchange="this.form.submit()">
                    @foreach($tahunAjarans as $ta)
                        <option value="{{ $ta->id }}" {{ $selectedTahunId == $ta->id ? 'selected' : '' }}>
                            {{ $ta->tahun_ajaran }}
                        </option>
                    @endforeach
                </select>
                {{-- Reset level/semester ke default saat ganti tahun --}}
                <input type="hidden" name="level_kelas_id" value="1">
                <input type="hidden" name="semester_id" value="1">
            </form>
        </div>
    </div>

    <div class="row">
        <div class="col-md-3">
            <div class="card card-round shadow-sm border-0 mb-3">
                <div class="card-header bg-primary text-white py-2 px-3">
                    <div class="d-flex align-items-center">
                        <i class="fa fa-layer-group me-2"></i>
                        <span class="fw-bold text-uppercase" style="font-size: 0.85rem;">Pilih Tingkat</span>
                    </div>
                </div>
                <div class="card-body p-0">
                    <div class="accordion accordion-flush" id="accordionLevel">
                        @foreach($levelKelas as $lk)
                            @php
                                $isLevelActive = $selectedLevelId == $lk->id;
                                $collapseId = 'collapseLevel' . $lk->id;
                            @endphp
                            <div class="accordion-item">
                                <h2 class="accordion-header">
                                    <button class="accordion-button {{ $isLevelActive ? '' : 'collapsed' }} py-2 px-3 shadow-none fw-bold" 
                                            type="button" 
                                            data-bs-toggle="collapse" 
                                            data-bs-target="#{{ $collapseId }}"
                                            style="font-size: 0.9rem;">
                                        Kelas {{ $lk->level_kelas }}
                                    </button>
                                </h2>
                                <div id="{{ $collapseId }}" 
                                     class="accordion-collapse collapse {{ $isLevelActive ? 'show' : '' }}" 
                                     data-bs-parent="#accordionLevel">
                                    <div class="list-group list-group-flush">
                                        @foreach($semesters as $sem)
                                            @php
                                                $isSemActive = $isLevelActive && $selectedSemesterId == $sem->id;
                                            @endphp
                                            <a href="{{ route('admin.mapel.index', ['tahun_ajaran_id' => $selectedTahunId, 'level_kelas_id' => $lk->id, 'semester_id' => $sem->id]) }}" 
                                               class="list-group-item list-group-item-action py-2 ps-4 pe-3 small d-flex justify-content-between align-items-center {{ $isSemActive ? 'bg-light text-primary fw-bold border-start border-primary border-3' : 'text-muted' }}">
                                                <span>
                                                    <i class="fa fa-caret-right me-2 {{ $isSemActive ? '' : 'invisible' }}"></i> 
                                                    {{ $sem->semester }}
                                                </span>
                                            </a>
                                        @endforeach
                                    </div>
                                </div>
                            </div>
                        @endforeach
                    </div>
                </div>
            </div>
        </div>

        <div class="col-md-9">
            <div class="card card-round shadow-sm border-0">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <div class="card-title" style="font-size: 1rem;">
                        <i class="fa fa-book me-2 text-primary"></i> 
                        Daftar Mapel: <span class="fw-bold">Kelas {{ $selectedLevel->level_kelas ?? '-' }} ({{ $selectedSemester->semester ?? '-' }})</span>
                    </div>
                    
                    <a href="{{ route('admin.mapel.create', ['tahun_ajaran_id' => $selectedTahunId, 'level_kelas_id' => $selectedLevelId, 'semester_id' => $selectedSemesterId]) }}" 
                       class="btn btn-primary btn-sm btn-round">
                        <i class="fa fa-plus me-1"></i> Tambah Mapel
                    </a>
                </div>
                <div class="card-body">
                    
                    <div class="table-responsive">
                        <table class="table table-striped table-hover align-middle">
                            <thead class="table-dark text-center">
                                <tr>
                                    <th>No</th>
                                    <th>Tahun Ajaran</th>
                                    <th>Nama Mata Pelajaran</th>
                                    <th>Kategori</th>
                                    <th>Tingkat</th>
                                    <th>Semester</th>
                                    <th>Aksi</th>
                                </tr>
                            </thead>
                            <tbody>
                                @forelse ($mapels as $item)
                                    <tr class="text-center">
                                        <td>{{ ($mapels->currentPage()-1) * $mapels->perPage() + $loop->iteration }}</td>

                                        <td>
                                            @if($item->tahunAjaran?->is_active)
                                                <span class="badge bg-success">{{ $item->tahunAjaran?->tahun_ajaran }}</span>
                                            @else
                                                <span class="text-muted small">{{ $item->tahunAjaran?->tahun_ajaran }}</span>
                                            @endif
                                        </td>

                                        <td class="text-start fw-bold">
                                            {{ $item->mapelNama->nama_mapel ?? '-' }}
                                        </td>

                                        <td>
                                            @php 
                                                $kategori = strtolower($item->mapelKategori->kategori ?? '');
                                            @endphp
                                            
                                            @if(str_contains($kategori, 'umum') || str_contains($kategori, 'nasional'))
                                                <span class="badge badge-info">Umum</span>
                                            @elseif(str_contains($kategori, 'agama') || str_contains($kategori, 'diniyah'))
                                                <span class="badge badge-success">Agama</span>
                                            @elseif(str_contains($kategori, 'mulok'))
                                                <span class="badge badge-warning">Mulok</span>
                                            @else
                                                <span class="badge badge-secondary">{{ $item->mapelKategori->kategori ?? '-' }}</span>
                                            @endif
                                        </td>

                                        <td>Kelas {{ $item->levelKelas->level_kelas ?? '-' }}</td>

                                        <td>{{ $item->semester->semester ?? '-' }}</td>

                                        <td>
                                            <div class="btn-group" role="group">
                                                <a href="{{ route('admin.mapel.edit', $item->id) }}" class="btn btn-warning btn-sm" title="Edit">
                                                    <i class="fa fa-edit"></i>
                                                </a>
                                                <form action="{{ route('admin.mapel.destroy', $item->id) }}" method="POST" class="d-inline" onsubmit="return confirm('Hapus mapel ini?');">
                                                    @csrf @method('DELETE')
                                                    <button type="submit" class="btn btn-danger btn-sm" title="Hapus">
                                                        <i class="fa fa-trash"></i>
                                                    </button>
                                                </form>
                                            </div>
                                        </td>
                                    </tr>
                                @empty
                                    <tr>
                                        <td colspan="7" class="text-center text-muted py-4">
                                            Belum ada data mata pelajaran untuk filter ini.
                                        </td>
                                    </tr>
                                @endforelse
                            </tbody>
                        </table>

                        <div class="mt-3 d-flex justify-content-end">
                            {{ $mapels->links('pagination::bootstrap-5') }}
                        </div>
                    </div>

                </div>
            </div>
        </div>
    </div>
</div>
@endsection