@extends('layouts.admin')

@section('title', 'Mark Import')

@section('content')
<x-ui.page-header
    title="Mark Import"
    subtitle="Upload and import student marks from a spreadsheet."
    :breadcrumbs="[
        ['label' => 'Home', 'href' => route('dashboard')],
        ['label' => 'Examination', 'href' => route('examination.dashboard')],
        ['label' => 'Mark Entry', 'href' => route('examination.mark-entry.index')],
        ['label' => 'Import'],
    ]"
/>

@include('institution.partials.flash')

<div class="row g-4">
    <div class="col-lg-6">
        <x-ui.card title="Upload marks spreadsheet">
            <form method="POST" action="{{ route('examination.mark-import.upload') }}" enctype="multipart/form-data">
                @csrf
                <div class="row g-3">
                    <div class="col-12">
                        <div class="bv-form-group {{ $errors->has('schedule_id') ? 'is-invalid' : '' }}">
                            <div class="bv-form-group__field">
                                <i class="bv-form-group__icon bi bi-calendar-event"></i>
                                <div class="form-floating">
                                    <select name="schedule_id" id="schedule_id" class="form-select bv-form-control">
                                        <option value="">— Select Schedule —</option>
                                        @foreach($schedules ?? [] as $schedule)
                                            <option value="{{ $schedule->id }}" @selected(old('schedule_id') == $schedule->id)>
                                                {{ $schedule->name ?? $schedule->id }}
                                            </option>
                                        @endforeach
                                    </select>
                                    <label for="schedule_id">Exam schedule</label>
                                </div>
                            </div>
                            @error('schedule_id')<div class="bv-form-error">{{ $message }}</div>@enderror
                        </div>
                    </div>
                    <div class="col-12">
                        <div class="bv-form-group {{ $errors->has('file') ? 'is-invalid' : '' }}">
                            <div class="bv-form-group__field">
                                <i class="bv-form-group__icon bi bi-file-earmark-spreadsheet"></i>
                                <div class="form-floating">
                                    <input type="file" name="file" id="file" class="form-control bv-form-control"
                                           accept=".xlsx,.xls,.csv">
                                    <label for="file">Marks file (.xlsx, .csv)</label>
                                </div>
                            </div>
                            @error('file')<div class="bv-form-error">{{ $message }}</div>@enderror
                        </div>
                    </div>
                    <div class="col-12">
                        <x-ui.button type="submit" variant="primary" icon="bi-upload" class="w-100">Upload & Import</x-ui.button>
                    </div>
                </div>
            </form>
        </x-ui.card>
    </div>
    <div class="col-lg-6">
        <x-ui.card title="Import instructions">
            <p class="text-muted-bv small">Download the template and fill in the marks. The columns must be:</p>
            <ul class="small">
                <li><strong>student_number</strong> – Student registration number</li>
                <li><strong>ca_mark</strong> – Continuous assessment mark (0–100)</li>
                <li><strong>exam_mark</strong> – Examination mark (0–100)</li>
                <li><strong>remarks</strong> – Optional remarks</li>
            </ul>
            <div class="mt-3">
                <x-ui.button variant="ghost" icon="bi-download">Download Template</x-ui.button>
            </div>
        </x-ui.card>
    </div>
</div>
@endsection