@extends('admin.layout.app')

@section('body')
<div class="card card-page p-3 shadow-sm">

    <div class="d-flex justify-content-between align-items-start flex-wrap gap-2 mb-3">
        <div>
            <h4 class="mb-1">{{ __('admin.course_teachers') }}</h4>
            <small class="text-muted">{{ __('admin.assign_teachers_to_courses_pivot_course_teachers') }}</small>
        </div>

        <div class="d-flex gap-2">
            <a href="{{ route('course-teachers.create') }}" class="btn btn-primary">
                <i class="fas fa-plus me-2"></i> {{ __('admin.assign_teacher') }}
            </a>
        </div>
    </div>

    @if(session('msg'))
        <div class="alert alert-info">{{ session('msg') }}</div>
    @endif

    {{-- Filters --}}
    <form method="GET" class="row g-2 align-items-end mb-3">
        <div class="col-md-8">
            <label class="form-label mb-0 small">{{ __('admin.course') }}</label>
            <select name="course_id" class="form-select">
                <option value="">{{ __('admin.all_courses') }}</option>
                @foreach($courses as $c)
                    <option value="{{ $c->id }}" @selected((string)$course_id === (string)$c->id)>
                        {{ $c->title }} @if($c->code) ({{ $c->code }}) @endif
                    </option>
                @endforeach
            </select>
        </div>

        <div class="col-md-4 d-flex gap-2">
            <button class="btn btn-outline-primary w-100">
                <i class="fas fa-filter me-1"></i> {{ __('admin.filter') }}
            </button>
            <a href="{{ route('course-teachers.index') }}" class="btn btn-outline-secondary w-100">{{ __('admin.reset') }}</a>
        </div>
    </form>

    {{-- Table --}}
    <div class="table-responsive">
        <table class="table table-hover align-middle">
            <thead class="table-light">
                <tr>
                    <th style="width:90px;">#</th>
                    <th>{{ __('admin.course') }}</th>
                    <th style="width:180px;">{{ __('admin.code') }}</th>
                    <th>{{ __('admin.teachers') }}</th>
                    <th style="width:170px;">{{ __('admin.actions') }}</th>
                </tr>
            </thead>
            <tbody>
                @forelse($rows as $course)
                    <tr>
                        <td>{{ $course->id }}</td>
                        <td class="fw-semibold">
                            {{ $course->title }}
                            <div class="small text-muted">{{ __('admin.course_id') }}: {{ $course->id }}</div>
                        </td>
                        <td>
                            <span class="badge bg-light text-dark border">{{ $course->code ?? '—' }}</span>
                        </td>
                        <td>
                            @if($course->teachers && $course->teachers->count())
                                <div class="d-flex flex-wrap gap-2">
                                    @foreach($course->teachers as $t)
                                        <span class="badge bg-info">
                                            <i class="fas fa-user me-1"></i> {{ $t->name }}
                                        </span>
                                    @endforeach
                                </div>
                            @else
                                <span class="badge bg-secondary">{{ __('admin.no_teachers') }}</span>
                            @endif
                        </td>
                        <td class="d-flex gap-1">
                            <a href="{{ route('course-teachers.show',$course->id) }}" class="btn btn-sm btn-outline-info">
                                <i class="far fa-eye"></i>
                            </a>
                            <a href="{{ route('course-teachers.edit',$course->id) }}" class="btn btn-sm btn-outline-primary">
                                <i class="far fa-edit"></i>
                            </a>
                        </td>
                    </tr>
                @empty
                    <tr>
                        <td colspan="5" class="text-center p-4">
                            <div class="text-muted">
                                <i class="fas fa-info-circle me-1"></i> {{ __('admin.no_courses_found') }}
                            </div>
                            <div class="mt-2">
                                <a href="{{ route('course-teachers.create') }}" class="btn btn-sm btn-primary">
                                    <i class="fas fa-plus me-1"></i> {{ __('admin.assign_first_teacher') }}
                                </a>
                            </div>
                        </td>
                    </tr>
                @endforelse
            </tbody>
        </table>
    </div>

    <div class="mt-3">{{ $rows->withQueryString()->links('pagination::bootstrap-4') }}</div>
</div>
@endsection