@extends('layouts.admin')

@section('title', 'Edit Blog')

@section('content')
<div class="container">
    <div class="mb-4">
        <a href="{{ route('admin.blogs.index') }}" class="btn btn-secondary">← Back to Blogs</a>
    </div>

    <h1>Edit Blog</h1>

    <div class="card">
        <div class="card-body">
            <form action="{{ route('admin.blogs.update', $blog) }}" method="POST" enctype="multipart/form-data">
                @csrf
                @method('PUT')

                <div class="mb-3">
                    <label for="title" class="form-label">Title *</label>
                    <input type="text" class="form-control @error('title') is-invalid @enderror" 
                           id="title" name="title" value="{{ old('title', $blog->title) }}" 
                           placeholder="Enter blog title" required>
                    @error('title')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="mb-3">
                    <label for="slug" class="form-label">Slug</label>
                    <input type="text" class="form-control @error('slug') is-invalid @enderror" 
                           id="slug" name="slug" value="{{ old('slug', $blog->slug) }}" 
                           placeholder="URL-friendly version">
                    <small class="form-text text-muted">URL-friendly version</small>
                    @error('slug')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <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="2" 
                              placeholder="Short description (max 500 characters)">{{ old('excerpt', $blog->excerpt) }}</textarea>
                    @error('excerpt')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="mb-3">
                    <label for="content" class="form-label">Content *</label>
                    <textarea class="form-control @error('content') is-invalid @enderror" 
                              id="content" name="content" 
                              placeholder="Write your blog content here..." required>{{ old('content', $blog->content) }}</textarea>
                    @error('content')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="row">
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="category" class="form-label">Category</label>
                            <input type="text" class="form-control @error('category') is-invalid @enderror" 
                                   id="category" name="category" value="{{ old('category', $blog->category) }}" 
                                   placeholder="e.g., Education, Technology">
                            @error('category')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="tags" class="form-label">Tags</label>
                            <input type="text" class="form-control @error('tags') is-invalid @enderror" 
                                   id="tags" name="tags" value="{{ old('tags', is_array($blog->tags) ? implode(', ', $blog->tags) : '') }}" 
                                   placeholder="Comma-separated tags">
                            <small class="form-text text-muted">Separate tags with commas</small>
                            @error('tags')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>
                </div>

                <div class="mb-3">
                    <label for="featured_image" class="form-label">Featured Image</label>
                    @if($blog->featured_image)
                        <div class="mb-2">
                            <img src="{{ \Illuminate\Support\Facades\Storage::url($blog->featured_image) }}" alt="Current featured image" 
                                 style="max-width: 200px; max-height: 200px; object-fit: cover; border-radius: 4px;">
                            <p class="text-muted small mt-1">Current image</p>
                        </div>
                    @endif
                    <input type="file" class="form-control @error('featured_image') is-invalid @enderror" 
                           id="featured_image" name="featured_image" accept="image/*">
                    <small class="form-text text-muted">JPEG, PNG, JPG, GIF (Max 2MB). Leave empty to keep current image.</small>
                    @error('featured_image')
                        <div class="invalid-feedback">{{ $message }}</div>
                    @enderror
                </div>

                <div class="row">
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="author_name" class="form-label">Author Name</label>
                            <input type="text" class="form-control @error('author_name') is-invalid @enderror" 
                                   id="author_name" name="author_name" value="{{ old('author_name', $blog->author_name) }}" 
                                   placeholder="Author name">
                            @error('author_name')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="author_id" class="form-label">Author (User)</label>
                            <select class="form-select @error('author_id') is-invalid @enderror" 
                                    id="author_id" name="author_id">
                                <option value="">Select author (optional)</option>
                                @foreach($users as $user)
                                    <option value="{{ $user->id }}" {{ old('author_id', $blog->author_id) == $user->id ? 'selected' : '' }}>
                                        {{ $user->name }} ({{ $user->email }})
                                    </option>
                                @endforeach
                            </select>
                            @error('author_id')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>
                </div>

                <div class="row">
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="published_at" class="form-label">Publish 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', $blog->published_at ? $blog->published_at->format('Y-m-d\TH:i') : '') }}">
                            @error('published_at')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>
                    <div class="col-md-6">
                        <div class="mb-3">
                            <label for="order" class="form-label">Order</label>
                            <input type="number" class="form-control @error('order') is-invalid @enderror" 
                                   id="order" name="order" value="{{ old('order', $blog->order) }}" min="0">
                            <small class="form-text text-muted">Lower numbers appear first</small>
                            @error('order')
                                <div class="invalid-feedback">{{ $message }}</div>
                            @enderror
                        </div>
                    </div>
                </div>

                <div class="mb-3 form-check">
                    <input type="checkbox" class="form-check-input" id="is_published" name="is_published" 
                           value="1" {{ old('is_published', $blog->is_published) ? 'checked' : '' }}>
                    <label class="form-check-label" for="is_published">
                        Publish immediately
                    </label>
                </div>

                <button type="submit" class="btn btn-primary">Update Blog</button>
                <a href="{{ route('admin.blogs.index') }}" class="btn btn-secondary">Cancel</a>
            </form>
        </div>
    </div>
</div>
@endsection

@push('styles')
<!-- Summernote CSS -->
<link href="https://cdn.jsdelivr.net/npm/summernote@0.8.20/dist/summernote-lite.min.css" rel="stylesheet">
<style>
    .note-editor {
        border: 1px solid #ced4da;
        border-radius: 0.375rem;
    }
    .note-editor.note-frame .note-editing-area .note-editable {
        min-height: 300px;
    }
    
    @media (max-width: 768px) {
        .note-toolbar {
            flex-wrap: wrap;
        }
        
        .note-btn-group {
            margin-bottom: 5px;
        }
        
        .note-editor.note-frame {
            font-size: 14px;
        }
        
        .note-editor.note-frame .note-editing-area .note-editable {
            min-height: 250px;
            font-size: 14px;
        }
        
        .card-body {
            padding: 1rem;
        }
        
        .row .col-md-6 {
            margin-bottom: 1rem;
        }
    }
    
    @media (max-width: 576px) {
        .note-editor.note-frame .note-editing-area .note-editable {
            min-height: 200px;
        }
        
        .note-toolbar .note-btn-group {
            margin: 2px;
        }
        
        .card-body {
            padding: 0.75rem;
        }
        
        .btn {
            width: 100%;
            margin-bottom: 0.5rem;
        }
    }
</style>
@endpush

@push('scripts')
<!-- jQuery (required for Summernote) -->
<script src="https://code.jquery.com/jquery-3.6.0.min.js"></script>
<!-- Summernote JS -->
<script src="https://cdn.jsdelivr.net/npm/summernote@0.8.20/dist/summernote-lite.min.js"></script>
<script>
    $(document).ready(function() {
        $('#content').summernote({
            height: 300,
            toolbar: [
                ['style', ['style']],
                ['font', ['bold', 'italic', 'underline', 'clear']],
                ['para', ['ul', 'ol', 'paragraph']],
                ['table', ['table']],
                ['insert', ['link', 'picture']],
                ['view', ['codeview', 'help']]
            ],
            placeholder: 'Write your blog content here...',
            dialogsInBody: true,
            callbacks: {
                onInit: function() {
                    // Load existing content into editor
                    var content = $('#content').val();
                    if (content) {
                        $('#content').summernote('code', content);
                    }
                }
            }
        });
    });
</script>
@endpush