@extends('layouts.main_dashboard.app')

@section('title', __('dashboard.Grades') . ' | ' . __('dashboard.Edit Grade'))

@section('content')
@php
    $currentYearId = old('year_id', $grade->stage?->term?->year_id);
    $currentTermId = old('term_id', $grade->stage?->term_id);
    $currentStageId = old('stage_id', $grade->stage_id);
@endphp
<div class="space-y-8">
    <section class="rounded-xl border border-surface-200 bg-white/95 p-6 shadow-sm dark:border-surface-800 dark:bg-surface-900">
        <div class="flex flex-col gap-5 lg:flex-row lg:items-center lg:justify-between">
            <div>
                <p class="text-xs font-black uppercase tracking-[0.28em] text-surface-400">{{ __('dashboard.Grade Form') }}</p>
                <h1 class="mt-3 text-3xl font-black text-surface-900 dark:text-white">{{ __('dashboard.Edit Grade') }}</h1>
                <p class="mt-3 max-w-2xl text-sm leading-7 text-surface-500 dark:text-surface-400">تعديل بيانات الصف الدراسي مع الحفاظ على التسلسل الأكاديمي الحالي.</p>
            </div>

            <div class="flex flex-wrap gap-3">
                <a href="{{ route('admin.grades.show', $grade->id) }}" class="inline-flex items-center gap-2 rounded-2xl border border-surface-200 px-4 py-2 text-sm font-bold text-surface-700 transition hover:border-sky-300 hover:text-sky-600 dark:border-surface-700 dark:text-surface-200">
                    <i class="fa-solid fa-eye"></i>
                    <span>{{ __('dashboard.View') }}</span>
                </a>
                <a href="{{ route('admin.grades.index') }}" class="inline-flex items-center gap-2 rounded-2xl bg-sky-600 px-4 py-2 text-sm font-bold text-white transition hover:bg-sky-700">
                    <i class="fa-solid fa-list"></i>
                    <span>{{ __('dashboard.All Grades') }}</span>
                </a>
            </div>
        </div>
    </section>

    <section class="rounded-xl border border-surface-200 bg-white p-6 shadow-sm dark:border-surface-800 dark:bg-surface-900">
        <form action="{{ route('admin.grades.update', $grade->id) }}" method="POST" class="space-y-8">
            @csrf
            @method('PUT')

            <div class="grid gap-5 md:grid-cols-2">
                <div>
                    <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">{{ __('dashboard.Year') }}</label>
                    <select name="year_id" id="year-select" class="w-full rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-sky-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
                        <option value="">{{ __('dashboard.Select Year') }}</option>
                        @foreach($years as $year)
                            <option value="{{ $year->id }}" @selected($currentYearId == $year->id)>{{ $year->name }}</option>
                        @endforeach
                    </select>
                </div>

                <div>
                    <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">{{ __('dashboard.Term') }}</label>
                    <select name="term_id" id="term-select" class="w-full rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-sky-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
                        <option value="">{{ __('dashboard.Select Term') }}</option>
                    </select>
                    @error('term_id') <p class="mt-2 text-sm font-bold text-red-500">{{ $message }}</p> @enderror
                </div>

                <div>
                    <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">{{ __('dashboard.Stage') }}</label>
                    <select name="stage_id" id="stage-select" class="w-full rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-sky-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100">
                        <option value="">{{ __('dashboard.Select Stage') }}</option>
                    </select>
                    @error('stage_id') <p class="mt-2 text-sm font-bold text-red-500">{{ $message }}</p> @enderror
                </div>

                @foreach($gradeLocales as $locale => $label)
                    <div class="md:col-span-2">
                        <label class="mb-2 block text-sm font-bold text-surface-700 dark:text-surface-200">
                            {{ __('dashboard.Name') }} ({{ $label }}){{ $locale === 'ar' ? ' *' : '' }}
                        </label>
                        <input
                            type="text"
                            name="name_translations[{{ $locale }}]"
                            value="{{ old("name_translations.$locale", $grade->getStoredTranslation($locale)) }}"
                            {{ $locale === 'ar' ? 'required' : '' }}
                            dir="{{ $locale === 'ar' ? 'rtl' : 'ltr' }}"
                            class="w-full rounded-2xl border border-surface-200 bg-white px-4 py-3 text-sm text-surface-700 outline-none transition focus:border-sky-400 dark:border-surface-700 dark:bg-surface-950 dark:text-surface-100"
                        >
                        @if($locale === 'ar')
                            <p class="mt-2 text-xs font-semibold text-surface-500 dark:text-surface-400">{{ __('dashboard.This value will be used as the primary Arabic name.') }}</p>
                        @endif
                        @error("name_translations.$locale") <p class="mt-2 text-sm font-bold text-red-500">{{ $message }}</p> @enderror
                    </div>
                @endforeach
            </div>

            <div class="flex flex-wrap justify-end gap-3 border-t border-surface-200 pt-6 dark:border-surface-800">
                <a href="{{ route('admin.grades.index') }}" class="inline-flex items-center gap-2 rounded-2xl border border-surface-200 px-4 py-2 text-sm font-bold text-surface-600 transition hover:border-surface-300 dark:border-surface-700 dark:text-surface-300">{{ __('dashboard.Cancel') }}</a>
                <button type="submit" class="inline-flex items-center gap-2 rounded-2xl bg-sky-600 px-4 py-2 text-sm font-bold text-white transition hover:bg-sky-700">
                    <i class="fa-solid fa-floppy-disk"></i>
                    <span>{{ __('dashboard.Save') }}</span>
                </button>
            </div>
        </form>
    </section>
</div>
@endsection

@section('scripts')
<script>
    $(function () {
        const yearSelect = $('#year-select');
        const termSelect = $('#term-select');
        const stageSelect = $('#stage-select');
        const selectedTerm = @json($currentTermId);
        const selectedStage = @json($currentStageId);

        function resetTerms() {
            termSelect.html('<option value="">{{ __("dashboard.Select Term") }}</option>');
        }

        function resetStages() {
            stageSelect.html('<option value="">{{ __("dashboard.Select Stage") }}</option>');
        }

        function loadStages(termId, stageId = null) {
            resetStages();

            if (!termId) {
                return;
            }

            $.get('{{ url("admin/terms") }}/' + termId + '/stages', function (data) {
                $.each(data, function (_, value) {
                    const selected = String(stageId) === String(value.id) ? ' selected' : '';
                    stageSelect.append('<option value="' + value.id + '"' + selected + '>' + value.name + '</option>');
                });
            });
        }

        function loadTerms(yearId, termId = null, stageId = null) {
            resetTerms();
            resetStages();

            if (!yearId) {
                return;
            }

            $.get('{{ url("admin/years") }}/' + yearId + '/terms', function (data) {
                $.each(data, function (_, value) {
                    const selected = String(termId) === String(value.id) ? ' selected' : '';
                    termSelect.append('<option value="' + value.id + '"' + selected + '>' + value.name + '</option>');
                });

                if (termId) {
                    loadStages(termId, stageId);
                }
            });
        }

        yearSelect.on('change', function () {
            loadTerms($(this).val());
        });

        termSelect.on('change', function () {
            loadStages($(this).val());
        });

        if (yearSelect.val()) {
            loadTerms(yearSelect.val(), selectedTerm, selectedStage);
        }
    });
</script>
@endsection