@php $assignment = $assignment ?? null; @endphp
<div class="row g-3">
    <div class="col-md-8">
        <label class="form-label">{{ __('Title') }} <span class="text-danger">*</span></label>
        <input type="text" name="title" class="form-control @error('title') is-invalid @enderror" value="{{ old('title', $assignment->title ?? '') }}" required>
        @error('title') <div class="invalid-feedback">{{ $message }}</div> @enderror
    </div>
    <div class="col-md-4">
        <label class="form-label">{{ __('Lesson') }} <span class="text-muted small">{{ __('(optional)') }}</span></label>
        <select name="lesson_id" class="form-select">
            <option value="">— {{ __('None') }} —</option>
            @foreach ($lessons as $lesson)
                <option value="{{ $lesson->id }}" @selected(old('lesson_id', $assignment->lesson_id ?? '') == $lesson->id)>{{ $lesson->title }}</option>
            @endforeach
        </select>
    </div>
    <div class="col-12">
        <label class="form-label">{{ __('Description / Instructions') }}</label>
        <textarea name="description" rows="5" class="form-control">{{ old('description', $assignment->description ?? '') }}</textarea>
    </div>
    <div class="col-md-4">
        <label class="form-label">{{ __('Max Marks') }} <span class="text-danger">*</span></label>
        <input type="number" step="0.01" min="0" name="max_marks" class="form-control @error('max_marks') is-invalid @enderror" value="{{ old('max_marks', $assignment->max_marks ?? 100) }}" required>
        @error('max_marks') <div class="invalid-feedback">{{ $message }}</div> @enderror
    </div>
    <div class="col-md-4">
        <label class="form-label">{{ __('Due Date') }}</label>
        <input type="datetime-local" name="due_date" class="form-control" value="{{ old('due_date', optional($assignment->due_date ?? null)->format('Y-m-d\TH:i')) }}">
    </div>
    <div class="col-md-4 d-flex flex-column justify-content-center gap-1 pt-3">
        <div class="mb-1">
            <div class="form-label small mb-1">{{ __('Accepted answer types') }}</div>
            @php($acceptedTypes = old('submission_types', isset($assignment) && $assignment->exists ? $assignment->acceptedTypes() : \App\Models\Assignment::SUBMISSION_TYPES))
            <div class="d-flex flex-wrap gap-3">
                @foreach(['text' => __('Text answer'), 'file' => __('File upload'), 'url' => __('Link / URL')] as $type => $label)
                    <div class="form-check form-check-inline m-0">
                        <input class="form-check-input" type="checkbox" name="submission_types[]" value="{{ $type }}" id="subType{{ $type }}" @checked(in_array($type, (array) $acceptedTypes, true))>
                        <label class="form-check-label small" for="subType{{ $type }}">{{ $label }}</label>
                    </div>
                @endforeach
            </div>
        </div>
        <div class="form-check">
            <input type="hidden" name="allow_late_submission" value="0">
            <input class="form-check-input" type="checkbox" name="allow_late_submission" value="1" id="allowLate" @checked(old('allow_late_submission', $assignment->allow_late_submission ?? false))>
            <label class="form-check-label small" for="allowLate">{{ __('Allow late submission') }}</label>
        </div>
        <div class="form-check">
            <input type="hidden" name="allow_resubmission" value="0">
            <input class="form-check-input" type="checkbox" name="allow_resubmission" value="1" id="allowResubmit" @checked(old('allow_resubmission', $assignment->allow_resubmission ?? true))>
            <label class="form-check-label small" for="allowResubmit">{{ __('Students may resubmit until graded') }}</label>
        </div>
        <div class="form-check">
            <input type="hidden" name="status" value="0">
            <input class="form-check-input" type="checkbox" name="status" value="1" id="status" @checked(old('status', $assignment->status ?? true))>
            <label class="form-check-label small" for="status">{{ __('Active') }}</label>
        </div>
        <div class="form-check">
            <input type="hidden" name="peer_review_enabled" value="0">
            <input class="form-check-input" type="checkbox" name="peer_review_enabled" value="1" id="peerReview" @checked(old('peer_review_enabled', $assignment->peer_review_enabled ?? false))>
            <label class="form-check-label small" for="peerReview">{{ __('Peer review by students') }}</label>
        </div>
        <div>
            <label class="form-label small" for="peerCount">{{ __('Reviewers per submission') }}</label>
            <input type="number" name="peer_reviewers_count" id="peerCount" min="1" max="5" class="form-control form-control-sm" value="{{ old('peer_reviewers_count', $assignment->peer_reviewers_count ?? 2) }}">
        </div>
    </div>
</div>