@extends('public.layout.app')
@section('title', __('front.edit_material'))

@section('body')
<section class="pt-5" style="background-color: #f5f7fc;">
    <div class="container">
        @include('public.portals.teacher.partials.nav')

        <div class="d-flex justify-content-between align-items-center mb-4">
            <h4 class="fw-bold mb-0">{{ __('front.edit_material') }}</h4>
            <a href="{{ route('teacher.courses.show', $material->course_id) }}" class="btn btn-outline-secondary btn-rounded">
                <i class="fas fa-arrow-left me-2"></i> {{ __('front.back_to_course') }}
            </a>
        </div>

        <div class="card-soft p-4 shadow-soft">
            <form action="{{ route('teacher.materials.update', $material->id) }}" method="POST" enctype="multipart/form-data">
                @csrf @method('PUT')

                {{-- Title --}}
                <div class="mb-4">
                    <label class="form-label fw-semibold">{{ __('front.material_title') }} <span class="text-danger">*</span></label>
                    <input type="text" name="title" class="form-control rounded-pill @error('title') is-invalid @enderror"
                           value="{{ old('title', $material->title) }}">
                    @error('title') <div class="invalid-feedback">{{ $message }}</div> @enderror
                </div>

                {{-- Type Selection --}}
                <div class="mb-4">
                    <label class="form-label fw-semibold">{{ __('front.material_type') }} <span class="text-danger">*</span></label>
                    <div class="d-flex gap-4">
                        <div class="form-check">
                            <input class="form-check-input" type="radio" name="type" id="typeDocument" value="document"
                                   {{ old('type', $material->type) == 'document' ? 'checked' : '' }}>
                            <label class="form-check-label" for="typeDocument">
                                <i class="fas fa-file-pdf text-primary me-1"></i> {{ __('front.document_file') }}
                            </label>
                        </div>
                        <div class="form-check">
                            <input class="form-check-input" type="radio" name="type" id="typeVideo" value="video"
                                   {{ old('type', $material->type) == 'video' ? 'checked' : '' }}>
                            <label class="form-check-label" for="typeVideo">
                                <i class="fas fa-video text-danger me-1"></i> {{ __('front.video_url') }}
                            </label>
                        </div>
                    </div>
                    @error('type') <div class="text-danger small">{{ $message }}</div> @enderror
                </div>

                {{-- Document Upload --}}
                <div class="mb-4" id="documentUploadSection" style="{{ $material->type == 'document' ? '' : 'display: none;' }}">
                    <label class="form-label fw-semibold">{{ __('front.replace_file_leave_empty_to_keep_current') }}</label>
                    <input type="file" name="file_path" class="form-control @error('file_path') is-invalid @enderror"
                           accept=".pdf,.doc,.docx,.ppt,.pptx,.xls,.xlsx,.jpg,.jpeg,.png,.zip">
                    <div class="form-text">Max size: 20MB. Leave empty to keep existing file.</div>
                    @if($material->file_path)
                        <div class="mt-2 small">
                            <i class="fas fa-paperclip me-1"></i> {{ __('front.current_file') }}
                            <a href="{{ Storage::url($material->file_path) }}" target="_blank">{{ basename($material->file_path) }}</a>
                        </div>
                    @endif
                    @error('file_path') <div class="invalid-feedback">{{ $message }}</div> @enderror
                </div>

                {{-- Video URL --}}
                <div class="mb-4" id="videoUrlSection" style="{{ $material->type == 'video' ? '' : 'display: none;' }}">
                    <label class="form-label fw-semibold">{{ __('front.video_url_2') }}</label>
                    <input type="url" name="video_url" class="form-control rounded-pill @error('video_url') is-invalid @enderror"
                           value="{{ old('video_url', $material->video_url) }}" placeholder="https://...">
                    @error('video_url') <div class="invalid-feedback">{{ $message }}</div> @enderror
                </div>

                <div class="d-flex justify-content-end gap-2">
                    <a href="{{ route('teacher.courses.show', $material->course_id) }}" class="btn btn-outline-secondary rounded-pill px-4">
                        {{ __('front.cancel') }}
                    </a>
                    <button type="submit" class="btn btn-primary rounded-pill px-5">
                        <i class="fas fa-save me-2"></i> {{ __('front.update_material') }}
                    </button>
                </div>
            </form>
        </div>
    </div>
</section>

<script>
    document.addEventListener('DOMContentLoaded', function() {
        const typeDocument = document.getElementById('typeDocument');
        const typeVideo = document.getElementById('typeVideo');
        const docSection = document.getElementById('documentUploadSection');
        const videoSection = document.getElementById('videoUrlSection');

        function toggleSections() {
            if (typeDocument.checked) {
                docSection.style.display = 'block';
                videoSection.style.display = 'none';
            } else {
                docSection.style.display = 'none';
                videoSection.style.display = 'block';
            }
        }

        typeDocument.addEventListener('change', toggleSections);
        typeVideo.addEventListener('change', toggleSections);
        toggleSections();
    });
</script>
@endsection