@extends('layouts.main_dashboard.app')

@php
    $isArabic = app()->getLocale() === 'ar';
    $courseItems = $courses->getCollection();
@endphp

@section('title', $isArabic ? 'مساقات القسم' : 'Department Courses')
@section('page_heading', $isArabic ? 'مساقات القسم' : 'Department Courses')
@section('page_subtitle', $isArabic ? 'جدول شامل لكل مساقات القسم مع فلاتر المادة، المدرس، والفصل.' : 'A complete table for department courses with subject, teacher, and class filters.')
@section('skip_page_hero', true)

@section('content')
<div class="space-y-6" x-data="{ filtersOpen: {{ request()->hasAny(['keyword', 'subject_id', 'teacher_id', 'school_class_id']) ? 'true' : 'false' }} }">
    <section class="grid gap-4 md:grid-cols-4">
        <article class="rounded-xl border border-surface-200 bg-white p-5 shadow-sm dark:border-surface-800 dark:bg-surface-900"><p class="text-[11px] font-bold text-surface-500 dark:text-surface-400">{{ $isArabic ? 'المعروضة الآن' : 'Visible now' }}</p><p class="mt-2 text-3xl font-black text-surface-900 dark:text-white">{{ number_format($courses->total()) }}</p></article>
        <article class="rounded-xl border border-surface-200 bg-white p-5 shadow-sm dark:border-surface-800 dark:bg-surface-900"><p class="text-[11px] font-bold text-surface-500 dark:text-surface-400">{{ $isArabic ? 'المواد' : 'Subjects' }}</p><p class="mt-2 text-3xl font-black text-surface-900 dark:text-white">{{ number_format($subjects->count()) }}</p></article>
        <article class="rounded-xl border border-surface-200 bg-white p-5 shadow-sm dark:border-surface-800 dark:bg-surface-900"><p class="text-[11px] font-bold text-surface-500 dark:text-surface-400">{{ $isArabic ? 'المدرسون' : 'Teachers' }}</p><p class="mt-2 text-3xl font-black text-surface-900 dark:text-white">{{ number_format($teachers->count()) }}</p></article>
        <article class="rounded-xl border border-surface-200 bg-white p-5 shadow-sm dark:border-surface-800 dark:bg-surface-900"><p class="text-[11px] font-bold text-surface-500 dark:text-surface-400">{{ $isArabic ? 'الفصول' : 'Classes' }}</p><p class="mt-2 text-3xl font-black text-surface-900 dark:text-white">{{ number_format($schoolClasses->count()) }}</p></article>
    </section>

    <section x-show="filtersOpen" x-collapse class="rounded-xl border border-surface-200 bg-white p-6 shadow-sm dark:border-surface-800 dark:bg-surface-900">
        <form action="{{ route('teacher.subject-head.courses.index') }}" method="GET" class="grid gap-4 md:grid-cols-2 xl:grid-cols-5">
            <input type="text" name="keyword" value="{{ request('keyword') }}" placeholder="{{ $isArabic ? 'بحث باسم المساق أو المادة أو المدرس' : 'Search by course, subject, or teacher' }}" class="rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-brand-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
            <select name="subject_id" class="rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-brand-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
                <option value="">{{ $isArabic ? 'كل المواد' : 'All subjects' }}</option>
                @foreach($subjects as $subject)
                    <option value="{{ $subject->id }}" @selected(request('subject_id') == $subject->id)>{{ $subject->name }}</option>
                @endforeach
            </select>
            <select name="teacher_id" class="rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-brand-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
                <option value="">{{ $isArabic ? 'كل المدرسين' : 'All teachers' }}</option>
                @foreach($teachers as $teacher)
                    <option value="{{ $teacher->id }}" @selected(request('teacher_id') == $teacher->id)>{{ $teacher->name }}</option>
                @endforeach
            </select>
            <select name="school_class_id" class="rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-brand-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
                <option value="">{{ $isArabic ? 'كل الفصول' : 'All classes' }}</option>
                @foreach($schoolClasses as $schoolClass)
                    <option value="{{ $schoolClass->id }}" @selected(request('school_class_id') == $schoolClass->id)>{{ $schoolClass->name }}</option>
                @endforeach
            </select>
            <div class="flex gap-3">
                <a href="{{ route('teacher.subject-head.courses.index') }}" class="inline-flex flex-1 items-center justify-center rounded-2xl border border-surface-200 px-4 py-3 text-sm font-bold text-surface-600 transition hover:bg-surface-50 dark:border-surface-700 dark:text-surface-300 dark:hover:bg-surface-800">{{ $isArabic ? 'تصفير' : 'Reset' }}</a>
                <button type="submit" class="inline-flex flex-1 items-center justify-center gap-2 rounded-2xl bg-brand-600 px-4 py-3 text-sm font-bold text-white transition hover:bg-brand-700"><i class="fa-solid fa-filter text-xs"></i><span>{{ $isArabic ? 'تطبيق' : 'Apply' }}</span></button>
            </div>
        </form>
    </section>

    <section class="overflow-hidden rounded-xl border border-surface-200 bg-white shadow-sm dark:border-surface-800 dark:bg-surface-900">
        <div class="border-b border-surface-200 bg-surface-50/80 px-6 py-5 dark:border-surface-800 dark:bg-surface-800/30">
            <div class="flex flex-col gap-3 lg:flex-row lg:items-center lg:justify-between">
                <div>
                    <h2 class="text-lg font-black text-surface-900 dark:text-white">{{ $isArabic ? 'جدول مساقات القسم' : 'Department course table' }}</h2>
                    <p class="mt-1 text-sm text-surface-500 dark:text-surface-400">{{ $isArabic ? 'كل مساق يوضح مادته ومدرسه وفصله وعدد عناصره التعليمية.' : 'Each course shows its subject, teacher, class, and teaching workload.' }}</p>
                </div>
                <button type="button" @click="filtersOpen = !filtersOpen" class="inline-flex items-center gap-2 rounded-xl border border-surface-200 bg-white px-4 py-2.5 text-sm font-bold text-surface-700 transition hover:bg-surface-50 dark:border-surface-700 dark:bg-surface-900 dark:text-surface-200 dark:hover:bg-surface-800">
                    <i class="fa-solid fa-sliders text-xs"></i>
                    <span>{{ $isArabic ? 'فلاتر الجدول' : 'Table Filters' }}</span>
                </button>
            </div>
        </div>

        @if($courseItems->isEmpty())
            <div class="px-6 py-16 text-center text-sm text-surface-500 dark:text-surface-400">{{ $isArabic ? 'لا توجد مساقات مطابقة للفلاتر الحالية.' : 'No courses match the current filters.' }}</div>
        @else
            <div class="overflow-x-auto">
                <table class="min-w-full divide-y divide-surface-200 dark:divide-surface-800">
                    <thead class="bg-surface-50/80 dark:bg-surface-800/40">
                        <tr class="text-right text-xs font-black uppercase tracking-[0.2em] text-surface-500 dark:text-surface-400">
                            <th class="px-6 py-4">{{ $isArabic ? 'المساق' : 'Course' }}</th>
                            <th class="px-6 py-4">{{ $isArabic ? 'المادة' : 'Subject' }}</th>
                            <th class="px-6 py-4">{{ $isArabic ? 'المدرس' : 'Teacher' }}</th>
                            <th class="px-6 py-4">{{ $isArabic ? 'الفصل' : 'Class' }}</th>
                            <th class="px-6 py-4">{{ $isArabic ? 'العناصر' : 'Items' }}</th>
                        </tr>
                    </thead>
                    <tbody class="divide-y divide-surface-200 dark:divide-surface-800">
                        @foreach($courseItems as $course)
                            <tr class="transition hover:bg-surface-50/80 dark:hover:bg-surface-800/20">
                                <td class="px-6 py-5">
                                    <div class="min-w-0">
                                        <p class="text-sm font-black text-surface-900 dark:text-white">{{ $course->name }}</p>
                                        <p class="mt-1 text-xs text-surface-500 dark:text-surface-400">{{ $course->subject?->grade?->stage?->name }}{{ $course->subject?->grade?->name ? ' / ' . $course->subject->grade->name : '' }}</p>
                                    </div>
                                </td>
                                <td class="px-6 py-5 text-sm text-surface-600 dark:text-surface-300">{{ $course->subject?->name ?? '—' }}</td>
                                <td class="px-6 py-5 text-sm text-surface-600 dark:text-surface-300">{{ $course->teacher?->name ?? '—' }}</td>
                                <td class="px-6 py-5 text-sm text-surface-600 dark:text-surface-300">{{ $course->schoolClass?->name ?? '—' }}</td>
                                <td class="px-6 py-5 text-sm text-surface-600 dark:text-surface-300">{{ $course->materials_count + $course->assignments_count + $course->quizzes_count }} / {{ $course->inquiries_count }} {{ $isArabic ? 'استفسار' : 'inquiries' }}</td>
                            </tr>
                        @endforeach
                    </tbody>
                </table>
            </div>

            <div class="border-t border-surface-200 px-6 py-5 dark:border-surface-800">
                {{ $courses->appends(request()->query())->links('pagination::simple-tailwind') }}
            </div>
        @endif
    </section>
</div>
@endsection