@extends('layouts.main_dashboard.app')

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

@section('content')
<div class="space-y-8">
    <section class="flex flex-col gap-5 rounded-xl bg-gradient-to-br from-sky-600 via-cyan-700 to-surface-900 p-6 text-white shadow-xl lg:flex-row lg:items-center lg:justify-between">
        <div>
            <p class="text-xs font-black uppercase tracking-[0.28em] text-cyan-100/80">{{ __('dashboard.Academic Structure') }}</p>
            <h1 class="mt-3 text-3xl font-black">{{ __('dashboard.Add New Grade') }}</h1>
            <p class="mt-3 max-w-2xl text-sm leading-7 text-cyan-50/85">إضافة صف دراسي جديد وربطه بالمرحلة الدراسية والفصل المناسب.</p>
        </div>

        <a href="{{ route('admin.grades.index') }}" class="inline-flex items-center gap-2 rounded-2xl bg-white px-4 py-2 text-sm font-bold text-sky-700 transition hover:bg-sky-50">
            <i class="fa-solid fa-list"></i>
            <span>{{ __('dashboard.View All Grades') }}</span>
        </a>
    </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.store') }}" method="POST" class="space-y-8">
            @csrf

            <div class="grid gap-5 md:grid-cols-2 xl:grid-cols-3">
                <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(old('year_id', $currentYear->id ?? null) == $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" data-old-value="{{ old('term_id', $currentTerm->id ?? '') }}">
                        <option value="">{{ __('dashboard.Select Term') }}</option>
                    </select>
                </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" data-old-value="{{ old('stage_id') }}">
                        <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 xl:col-span-3">
                        <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") }}"
                            {{ $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 () {
        function resetSelect(target, placeholder) {
            target.empty().append('<option value="">' + placeholder + '</option>');
        }

        function setOptions(target, placeholder, data, selectedValue) {
            resetSelect(target, placeholder);
            $.each(data, function (_, value) {
                const selected = String(selectedValue) === String(value.id) ? ' selected' : '';
                target.append('<option value="' + value.id + '"' + selected + '>' + value.name + '</option>');
            });
        }

        $('#year-select').on('change', function () {
            const yearId = $(this).val();
            const termSelect = $('#term-select');
            const oldValue = termSelect.attr('data-old-value');

            if (yearId) {
                $.get('{{ url("admin/years") }}/' + yearId + '/terms', function (data) {
                    setOptions(termSelect, '{{ __("dashboard.Select Term") }}', data, oldValue);
                    if (oldValue) {
                        termSelect.trigger('change');
                        termSelect.attr('data-old-value', '');
                    }
                });
            } else {
                resetSelect(termSelect, '{{ __("dashboard.Select Term") }}');
            }
            resetSelect($('#stage-select'), '{{ __("dashboard.Select Stage") }}');
        });

        $('#term-select').on('change', function () {
            const termId = $(this).val();
            const stageSelect = $('#stage-select');
            const oldValue = stageSelect.attr('data-old-value');

            if (termId) {
                $.get('{{ url("admin/terms") }}/' + termId + '/stages', function (data) {
                    setOptions(stageSelect, '{{ __("dashboard.Select Stage") }}', data, oldValue);
                    if (oldValue) {
                        stageSelect.trigger('change');
                        stageSelect.attr('data-old-value', '');
                    }
                });
            } else {
                resetSelect(stageSelect, '{{ __("dashboard.Select Stage") }}');
            }
        });

        // Trigger on load
        if ($('#year-select').val()) {
            $('#year-select').trigger('change');
        }
    });
</script>
@endsection