@extends('layouts.main_dashboard.app')
@php
    $routePrefix = auth()->user()?->usesStaffPortal() ? 'teacher' : 'admin';
    $isArabic = app()->getLocale() === 'ar';
    $lessons = $course->subject?->lessons ?? collect();
    $assignmentsCollection = $assignments instanceof \Illuminate\Contracts\Pagination\LengthAwarePaginator
        || $assignments instanceof \Illuminate\Contracts\Pagination\Paginator
        ? $assignments->getCollection()
        : collect($assignments);

@endphp

@section('title', __('dashboard.All Assignments'))
@section('page_heading', __('dashboard.All Assignments'))
@section('page_subtitle', $course->name)
@section('skip_page_hero', true)

@section('content')
<div class="space-y-6" x-data="{ filtersOpen: {{ request()->hasAny(['title', 'lesson_id', 'is_published']) ? 'true' : 'false' }}, selectedIds: [], selectAll: false }">
    <section class="rounded-xl border border-surface-200 bg-white p-5 shadow-sm dark:border-surface-800 dark:bg-surface-900">
        <div class="grid gap-4 xl:grid-cols-[minmax(0,1fr)_auto] xl:items-start">
            <div>
                <div class="flex flex-wrap gap-2">
                    <span class="rounded-full bg-surface-100 px-3 py-1 text-[11px] font-black uppercase tracking-[0.18em] text-surface-600 dark:bg-surface-800 dark:text-surface-300">
                        {{ $isArabic ? 'الواجبات' : 'Assignments' }}
                    </span>
                    <span class="rounded-full bg-surface-100 px-3 py-1 text-[11px] font-black text-surface-600 dark:bg-surface-800 dark:text-surface-300">
                        {{ $course->name }}
                    </span>
                </div>

                <h1 class="mt-3 text-2xl font-black text-surface-900 dark:text-white">{{ $isArabic ? 'جميع الواجبات' : 'All Assignments' }}</h1>
                <p class="mt-2 max-w-3xl text-sm leading-6 text-surface-500 dark:text-surface-400">
                    {{ $isArabic ? 'عرض مرتب لكل واجبات المقرر مع الحالة، موعد التسليم، وعدد التسليمات لكل واجب.' : 'A cleaner overview of all course assignments with status, due date, and submission volume for each item.' }}
                </p>
            </div>

            <div class="flex flex-wrap gap-2 xl:justify-end">
                <button type="button"
                        @click="filtersOpen = !filtersOpen"
                        class="inline-flex items-center gap-2 rounded-xl border border-surface-200 px-3 py-2 text-xs font-bold text-surface-700 transition hover:border-surface-300 dark:border-surface-700 dark:text-surface-200">
                    <i class="fa-solid fa-sliders"></i>
                    <span>{{ __('dashboard.Filter') }}</span>
                </button>
                <a href="{{ route($routePrefix . '.courses.assignments.create', $course->id) }}"
                   class="inline-flex items-center gap-2 rounded-xl bg-surface-900 px-3 py-2 text-xs font-bold text-white transition hover:bg-surface-800 dark:bg-white dark:text-surface-900 dark:hover:bg-surface-100">
                    <i class="fa-solid fa-plus"></i>
                    <span>{{ __('dashboard.Add New Assignment') }}</span>
                </a>
            </div>
        </div>
    </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($routePrefix . '.courses.assignments.index', $course->id) }}" method="GET" class="grid gap-4 md:grid-cols-2 xl:grid-cols-[minmax(0,1fr)_18rem_16rem_auto]">
            <div>
                <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">{{ $isArabic ? 'بحث بالعنوان' : 'Search by title' }}</label>
                <input type="text" name="title" value="{{ request('title') }}" class="w-full rounded-xl border border-zinc-200 bg-white px-3 py-2 text-sm dark:border-zinc-700 dark:bg-zinc-900 dark:text-white" placeholder="{{ __('dashboard.Search by Title') }}">
            </div>
            <div>
                <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">{{ $isArabic ? 'الدرس' : 'Lesson' }}</label>
                <select name="lesson_id" class="w-full rounded-xl border border-zinc-200 bg-white px-3 py-2 text-sm dark:border-zinc-700 dark:bg-zinc-900 dark:text-white">
                    <option value="">{{ __('dashboard.Select Lesson') }}</option>
                    @foreach($lessons as $lesson)
                        <option value="{{ $lesson->id }}" @selected((string) request('lesson_id') === (string) $lesson->id)>{{ $lesson->title }}</option>
                    @endforeach
                </select>
            </div>
            <div>
                <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">{{ __('dashboard.Status') }}</label>
                <select name="is_published" class="w-full rounded-xl border border-zinc-200 bg-white px-3 py-2 text-sm dark:border-zinc-700 dark:bg-zinc-900 dark:text-white">
                    <option value="">{{ __('dashboard.Status') }}</option>
                    <option value="1" @selected(request('is_published') === '1')>{{ __('dashboard.Published') }}</option>
                    <option value="0" @selected(request('is_published') === '0')>{{ __('dashboard.Unpublished') }}</option>
                </select>
            </div>
            <div class="flex items-end gap-3">
                <button type="submit" class="inline-flex w-full items-center justify-center gap-2 rounded-xl bg-surface-900 px-4 py-2.5 text-xs font-bold text-white transition hover:bg-surface-800 dark:bg-white dark:text-surface-900 dark:hover:bg-surface-100">
                    <i class="fa-solid fa-magnifying-glass"></i>
                    <span>{{ __('dashboard.Filter') }}</span>
                </button>
                <a href="{{ route($routePrefix . '.courses.assignments.index', $course->id) }}" class="inline-flex items-center justify-center rounded-xl border border-surface-200 px-4 py-2.5 text-xs font-bold text-surface-600 transition hover:border-surface-300 dark:border-surface-700 dark:text-surface-300">
                    {{ __('dashboard.Reset') }}
                </a>
            </div>
        </form>
    </section>

    <section class="rounded-xl border border-surface-200 bg-white shadow-sm dark:border-surface-800 dark:bg-surface-900">
        <x-bulk-action-bar
            :action="route('admin.courses.assignments.bulk', $course->id)"
            :actions="['delete' => __('dashboard.Delete')]"
        />
        @if($assignmentsCollection->isEmpty())
            <div class="px-6 py-16 text-center">
                <div class="mx-auto flex h-20 w-20 items-center justify-center rounded-full bg-surface-100 text-surface-700 dark:bg-surface-800 dark:text-surface-200">
                    <i class="fa-solid fa-paperclip text-3xl"></i>
                </div>
                <h3 class="mt-6 text-xl font-black text-surface-900 dark:text-white">{{ __('dashboard.No data found') }}</h3>
                <p class="mx-auto mt-3 max-w-xl text-sm leading-7 text-surface-500 dark:text-surface-400">{{ __('dashboard.There are no assignments to display, try creating one!') }}</p>
                <a href="{{ route($routePrefix . '.courses.assignments.create', $course->id) }}" class="mt-6 inline-flex items-center gap-2 rounded-xl bg-surface-900 px-4 py-2.5 text-xs font-bold text-white transition hover:bg-surface-800 dark:bg-white dark:text-surface-900 dark:hover:bg-surface-100">
                    <i class="fa-solid fa-plus"></i>
                    <span>{{ __('dashboard.Add New Assignment') }}</span>
                </a>
            </div>
        @else
            <div class="divide-y divide-surface-200 dark:divide-surface-800">
                <div class="flex items-center gap-3 px-6 py-3 bg-surface-50 dark:bg-surface-800/40">
                    <input type="checkbox" x-model="selectAll"
                           @change="selectedIds = selectAll ? [{{ $assignmentsCollection->pluck('id')->join(',') }}] : []"
                           class="rounded border-surface-300 dark:border-surface-600">
                    <span class="text-xs font-bold text-surface-500 dark:text-surface-400">{{ __('dashboard.Select All') }}</span>
                </div>
                @foreach($assignmentsCollection as $assignment)
                    <article class="flex flex-col gap-5 px-6 py-5 transition hover:bg-surface-50/70 dark:hover:bg-surface-800/20 lg:flex-row lg:items-center lg:justify-between">
                        <div class="flex items-start gap-3 min-w-0 flex-1">
                            <input type="checkbox" :value="{{ $assignment->id }}" x-model="selectedIds"
                                   class="mt-1 rounded border-surface-300 dark:border-surface-600">
                            <div class="min-w-0 flex-1">
                            <div class="flex flex-wrap items-center gap-2">
                                <h3 class="text-lg font-black text-surface-900 dark:text-white">{{ $assignment->title }}</h3>
                                <span class="rounded-full bg-surface-100 px-3 py-1 text-[11px] font-black text-surface-600 dark:bg-surface-800 dark:text-surface-300">
                                    {{ $assignment->score }} {{ $isArabic ? 'درجة' : 'pts' }}
                                </span>
                                <span class="rounded-full px-3 py-1 text-[11px] font-black {{ $assignment->is_published ? 'bg-emerald-100 text-emerald-700 dark:bg-emerald-500/10 dark:text-emerald-300' : 'bg-rose-100 text-rose-700 dark:bg-rose-500/10 dark:text-rose-300' }}">
                                    {{ $assignment->is_published ? __('dashboard.Published') : __('dashboard.Unpublished') }}
                                </span>
                            </div>

                            <p class="mt-3 text-sm leading-7 text-surface-500 dark:text-surface-400">{{ \Illuminate\Support\Str::limit((string) $assignment->description, 150) }}</p>

                            <div class="mt-4 grid gap-3 text-sm text-surface-500 dark:text-surface-400 md:grid-cols-4">
                                <div>
                                    <span class="font-bold text-surface-700 dark:text-surface-200">{{ $isArabic ? 'الدرس:' : 'Lesson:' }}</span>
                                    {{ $assignment->lesson?->title ?? 'N/A' }}
                                </div>
                                <div>
                                    <span class="font-bold text-surface-700 dark:text-surface-200">{{ $isArabic ? 'الموعد النهائي:' : 'Due date:' }}</span>
                                    {{ $assignment->due_date?->format('Y-m-d h:i A') ?? 'N/A' }}
                                </div>
                                <div>
                                    <span class="font-bold text-surface-700 dark:text-surface-200">{{ $isArabic ? 'التسليمات:' : 'Submissions:' }}</span>
                                    {{ $assignment->submissions_count ?? 0 }}
                                </div>
                                <div>
                                    <span class="font-bold text-surface-700 dark:text-surface-200">{{ $isArabic ? 'الوزن:' : 'Weight:' }}</span>
                                    {{ $assignment->weight ?? 'N/A' }}
                                </div>
                            </div>
                        </div>
                        </div>

                        <div class="flex justify-end">
                            <div class="relative" x-data="{ open: false }">
                                <button @click="open = !open" @click.outside="open = false" type="button"
                                        class="w-8 h-8 flex items-center justify-center rounded-lg bg-surface-100 dark:bg-surface-800 text-surface-500 hover:bg-surface-200 dark:hover:bg-surface-700 transition-colors">
                                    <i class="fa-solid fa-ellipsis-vertical text-xs"></i>
                                </button>
                                <div x-show="open" x-cloak x-transition
                                     class="absolute end-0 z-50 mt-1 w-48 rounded-xl border border-surface-200 dark:border-surface-700 bg-white dark:bg-surface-900 shadow-lg overflow-hidden">
                                    <a href="{{ route($routePrefix . '.courses.assignments.show', ['courseId' => $course->id, 'id' => $assignment->id]) }}" class="flex items-center gap-3 px-4 py-2.5 text-sm text-surface-700 dark:text-surface-300 hover:bg-surface-50 dark:hover:bg-surface-800 transition-colors">
                                        <i class="fa-solid fa-eye w-4 text-center text-surface-400 text-xs"></i>{{ __('dashboard.View') }}
                                    </a>
                                    <a href="{{ route($routePrefix . '.assignment-submissions.index', $assignment->id) }}" class="flex items-center gap-3 px-4 py-2.5 text-sm text-surface-700 dark:text-surface-300 hover:bg-surface-50 dark:hover:bg-surface-800 transition-colors">
                                        <i class="fa-solid fa-inbox w-4 text-center text-surface-400 text-xs"></i>{{ __('dashboard.View Submissions') }}
                                    </a>
                                    <a href="{{ route($routePrefix . '.courses.assignments.edit', ['courseId' => $course->id, 'id' => $assignment->id]) }}" class="flex items-center gap-3 px-4 py-2.5 text-sm text-surface-700 dark:text-surface-300 hover:bg-surface-50 dark:hover:bg-surface-800 transition-colors">
                                        <i class="fa-solid fa-pen-to-square w-4 text-center text-surface-400 text-xs"></i>{{ __('dashboard.Edit') }}
                                    </a>
                                    <div class="border-t border-surface-100 dark:border-surface-800"></div>
                                    <form method="POST" action="{{ route($routePrefix . '.courses.assignments.destroy', ['courseId' => $course->id, 'id' => $assignment->id]) }}" onsubmit="return confirm('{{ __('dashboard.Are you sure you want to delete this item?') }}')">
                                        @csrf @method('DELETE')
                                        <button type="submit" class="w-full flex items-center gap-3 px-4 py-2.5 text-sm text-red-600 dark:text-red-400 hover:bg-red-50 dark:hover:bg-red-950/30 transition-colors">
                                            <i class="fa-solid fa-trash w-4 text-center text-xs"></i>{{ __('dashboard.Delete') }}
                                        </button>
                                    </form>
                                </div>
                            </div>
                        </div>
                    </article>
                @endforeach
            </div>

            @if($assignments instanceof \Illuminate\Contracts\Pagination\Paginator)
                <div class="border-t border-surface-200 px-6 py-4 dark:border-surface-800">
                    {{ $assignments->appends(request()->query())->links() }}
                </div>
            @endif
        @endif
    </section>
</div>
@endsection