@extends('layouts.app')

@section('content')
<div class="d-flex justify-content-between flex-wrap flex-md-nowrap align-items-center pt-3 pb-2 mb-3 border-bottom">
    <h1 class="h2">Edit Post - {{ $website->name }}</h1>
    <div class="btn-toolbar mb-2 mb-md-0">
        <a href="{{ route('posts.index', $website) }}" class="btn btn-sm btn-outline-secondary">
            <i class="bi bi-arrow-left me-1"></i>Back to Posts
        </a>
    </div>
</div>

@if($errors->any())
    <div class="alert alert-danger alert-dismissible fade show" role="alert">
        <ul class="mb-0">
            @foreach($errors->all() as $error)
                <li>{{ $error }}</li>
            @endforeach
        </ul>
        <button type="button" class="btn-close" data-bs-dismiss="alert"></button>
    </div>
@endif

<form action="{{ route('posts.update', [$website, $post]) }}" method="POST" enctype="multipart/form-data" id="post-form">
    @csrf
    @method('PUT')

    <div class="row">
        <!-- Main Content Column -->
        <div class="col-md-8">
            <div class="card mb-3">
                <div class="card-header">
                    <h5 class="mb-0">Post Content</h5>
                </div>
                <div class="card-body">
                    <!-- Title -->
                    <div class="mb-3">
                        <label for="title" class="form-label">Title <span class="text-danger">*</span></label>
                        <input type="text" class="form-control @error('title') is-invalid @enderror"
                               id="title" name="title" value="{{ old('title', $post->title) }}" required>
                        @error('title')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Slug -->
                    <div class="mb-3">
                        <label for="slug" class="form-label">Slug (URL) <small class="text-muted">Optional - auto-generated from title</small></label>
                        <input type="text" class="form-control @error('slug') is-invalid @enderror"
                               id="slug" name="slug" value="{{ old('slug', $post->slug) }}">
                        @error('slug')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Excerpt -->
                    <div class="mb-3">
                        <label for="excerpt" class="form-label">Excerpt</label>
                        <textarea class="form-control @error('excerpt') is-invalid @enderror"
                                  id="excerpt" name="excerpt" rows="3">{{ old('excerpt', $post->excerpt) }}</textarea>
                        <small class="text-muted">Brief summary of the post</small>
                        @error('excerpt')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Content -->
                    <div class="mb-3">
                        <label for="content" class="form-label">Content <span class="text-danger">*</span></label>
                        <textarea class="form-control @error('content') is-invalid @enderror"
                                  id="content" name="content" rows="15">{{ old('content', $post->content) }}</textarea>
                        <div id="content-error" class="invalid-feedback" style="display: none;">Content is required.</div>
                        @error('content')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>
                </div>
            </div>

            <!-- SEO Section -->
            <div class="card mb-3">
                <div class="card-header">
                    <h5 class="mb-0">SEO Settings</h5>
                </div>
                <div class="card-body">
                    <div class="mb-3">
                        <label for="meta_title" class="form-label">Meta Title</label>
                        <input type="text" class="form-control" id="meta_title" name="meta_title"
                               value="{{ old('meta_title', $post->meta_title) }}">
                        <small class="text-muted">Leave empty to use post title</small>
                    </div>
                    <div class="mb-3">
                        <label for="meta_description" class="form-label">Meta Description</label>
                        <textarea class="form-control" id="meta_description" name="meta_description"
                                  rows="3">{{ old('meta_description', $post->meta_description) }}</textarea>
                    </div>
                </div>
            </div>
        </div>

        <!-- Sidebar Column -->
        <div class="col-md-4">
            <!-- Publish Settings -->
            <div class="card mb-3">
                <div class="card-header">
                    <h5 class="mb-0">Publish</h5>
                </div>
                <div class="card-body">
                    <!-- Status -->
                    <div class="mb-3">
                        <label for="status" class="form-label">Status <span class="text-danger">*</span></label>
                        <select class="form-select @error('status') is-invalid @enderror"
                                id="status" name="status" required>
                            <option value="draft" {{ old('status', $post->status) === 'draft' ? 'selected' : '' }}>Draft</option>
                            <option value="published" {{ old('status', $post->status) === 'published' ? 'selected' : '' }}>Published</option>
                            <option value="scheduled" {{ old('status', $post->status) === 'scheduled' ? 'selected' : '' }}>Scheduled</option>
                        </select>
                        @error('status')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Published Date -->
                    <div class="mb-3" id="published-date-field">
                        <label for="published_at" class="form-label">Published Date</label>
                        <input type="datetime-local" class="form-control @error('published_at') is-invalid @enderror"
                               id="published_at" name="published_at"
                               value="{{ old('published_at', $post->published_at ? $post->published_at->format('Y-m-d\TH:i') : '') }}">
                        @error('published_at')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>

                    <!-- Is Featured -->
                    <div class="form-check mb-3">
                        <input class="form-check-input" type="checkbox" id="is_featured"
                               name="is_featured" value="1" {{ old('is_featured', $post->is_featured) ? 'checked' : '' }}>
                        <label class="form-check-label" for="is_featured">
                            Featured Post
                        </label>
                    </div>

                    <!-- Allow Comments -->
                    <div class="form-check mb-3">
                        <input class="form-check-input" type="checkbox" id="allow_comments"
                               name="allow_comments" value="1" {{ old('allow_comments', $post->allow_comments) ? 'checked' : '' }}>
                        <label class="form-check-label" for="allow_comments">
                            Allow Comments
                        </label>
                    </div>

                    <hr>

                    <button type="submit" class="btn btn-primary w-100">
                        <i class="bi bi-save me-1"></i>Update Post
                    </button>
                </div>
            </div>

            <!-- Featured Image -->
            <div class="card mb-3">
                <div class="card-header">
                    <h5 class="mb-0">Featured Image</h5>
                </div>
                <div class="card-body">
                    @if($post->featured_image)
                        <div class="mb-3 text-center">
                            <img src="{{ Storage::url($post->featured_image) }}" class="img-fluid rounded" alt="Current Featured Image">
                            <small class="d-block text-muted mt-2">Current Image</small>
                        </div>
                    @endif
                    <div class="mb-3">
                        <label for="featured_image" class="form-label">{{ $post->featured_image ? 'Change' : 'Upload' }} Image</label>
                        <input type="file" class="form-control @error('featured_image') is-invalid @enderror"
                               id="featured_image" name="featured_image" accept="image/*">
                        @error('featured_image')
                            <div class="invalid-feedback">{{ $message }}</div>
                        @enderror
                    </div>
                    <div id="image-preview" class="text-center" style="display: none;">
                        <img id="preview-img" src="" class="img-fluid rounded" alt="Preview">
                    </div>
                </div>
            </div>

            <!-- Category -->
            <div class="card mb-3">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <h5 class="mb-0">Category</h5>
                    <a href="{{ route('post-categories.create', $website) }}" class="btn btn-sm btn-outline-primary"
                       target="_blank">
                        <i class="bi bi-plus"></i> New
                    </a>
                </div>
                <div class="card-body">
                    <select class="form-select @error('post_category_id') is-invalid @enderror"
                            id="post_category_id" name="post_category_id">
                        <option value="">Uncategorized</option>
                        @foreach($categories as $category)
                            <option value="{{ $category->id }}"
                                {{ old('post_category_id', $post->post_category_id) == $category->id ? 'selected' : '' }}>
                                {{ $category->name }}
                            </option>
                        @endforeach
                    </select>
                    @error('post_category_id')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>
            </div>

            <!-- Tags -->
            <div class="card mb-3">
                <div class="card-header d-flex justify-content-between align-items-center">
                    <h5 class="mb-0">Tags</h5>
                    <a href="{{ route('post-tags.create', $website) }}" class="btn btn-sm btn-outline-primary"
                       target="_blank">
                        <i class="bi bi-plus"></i> New
                    </a>
                </div>
                <div class="card-body">
                    <select class="form-select" id="tags" name="tags[]" multiple size="8">
                        @foreach($tags as $tag)
                            <option value="{{ $tag->id }}"
                                {{ in_array($tag->id, old('tags', $post->tags->pluck('id')->toArray())) ? 'selected' : '' }}>
                                {{ $tag->name }}
                            </option>
                        @endforeach
                    </select>
                    <small class="text-muted">Hold Ctrl/Cmd to select multiple tags</small>
                </div>
            </div>

            <!-- Post Stats -->
            <div class="card mb-3">
                <div class="card-header">
                    <h5 class="mb-0">Statistics</h5>
                </div>
                <div class="card-body">
                    <p class="mb-2"><strong>Views:</strong> {{ $post->views_count }}</p>
                    <p class="mb-2"><strong>Created:</strong> {{ $post->created_at->format('M d, Y H:i') }}</p>
                    <p class="mb-0"><strong>Last Updated:</strong> {{ $post->updated_at->format('M d, Y H:i') }}</p>
                </div>
            </div>
        </div>
    </div>
</form>

@push('scripts')
<script src="https://cdn.jsdelivr.net/npm/tinymce@6/tinymce.min.js"></script>
<script>
    // Initialize TinyMCE
    tinymce.init({
        selector: '#content',
        height: 500,
        menubar: true,
        plugins: [
            'advlist', 'autolink', 'lists', 'link', 'image', 'charmap', 'preview',
            'anchor', 'searchreplace', 'visualblocks', 'code', 'fullscreen',
            'insertdatetime', 'media', 'table', 'code', 'help', 'wordcount'
        ],
        toolbar: 'undo redo | blocks | bold italic forecolor | alignleft aligncenter alignright alignjustify | bullist numlist outdent indent | removeformat | help',
        content_style: 'body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; font-size: 14px; }'
    });

    // Auto-generate slug from title (only if user hasn't manually set it)
    let slugManuallyEdited = false;
    document.getElementById('slug').addEventListener('input', function() {
        slugManuallyEdited = true;
    });

    document.getElementById('title').addEventListener('input', function() {
        if (!slugManuallyEdited) {
            const slug = this.value
                .toLowerCase()
                .replace(/[^a-z0-9]+/g, '-')
                .replace(/^-+|-+$/g, '');
            document.getElementById('slug').value = slug;
        }
    });

    // Featured image preview
    document.getElementById('featured_image').addEventListener('change', function(e) {
        const file = e.target.files[0];
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                document.getElementById('preview-img').src = e.target.result;
                document.getElementById('image-preview').style.display = 'block';
            };
            reader.readAsDataURL(file);
        }
    });

    // Show/hide published date based on status
    document.getElementById('status').addEventListener('change', function() {
        const publishedDateField = document.getElementById('published-date-field');
        if (this.value === 'scheduled') {
            publishedDateField.style.display = 'block';
        }
    });

    // Form validation - ensure TinyMCE content is synced and not empty
    document.getElementById('post-form').addEventListener('submit', function(e) {
        // Sync TinyMCE content to textarea
        tinymce.triggerSave();

        // Get the content from TinyMCE
        const content = tinymce.get('content').getContent();

        // Validate content is not empty
        if (!content || content.trim() === '') {
            e.preventDefault();
            document.getElementById('content').classList.add('is-invalid');
            document.getElementById('content-error').style.display = 'block';

            // Scroll to the content field
            document.getElementById('content').scrollIntoView({ behavior: 'smooth', block: 'center' });
            return false;
        } else {
            document.getElementById('content').classList.remove('is-invalid');
            document.getElementById('content-error').style.display = 'none';
        }
    });
</script>
@endpush
@endsection