@extends('admin.layouts.app')

@section('title', 'Upload New Edition')

@section('content')
<div class="container-fluid">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h2><i class="bi bi-plus-circle"></i> Upload New Edition</h2>
        <a href="{{ route('admin.epaper.index') }}" class="btn btn-secondary">
            <i class="bi bi-arrow-left"></i> Back to Editions
        </a>
    </div>

    @if($errors->any())
        <div class="alert alert-danger">
            <ul class="mb-0">
                @foreach($errors->all() as $error)
                    <li>{{ $error }}</li>
                @endforeach
            </ul>
        </div>
    @endif

    <form action="{{ route('admin.epaper.store') }}" method="POST" enctype="multipart/form-data">
        @csrf

        <div class="row">
            <div class="col-md-8">
                <div class="card mb-4">
                    <div class="card-header bg-white">
                        <h5 class="mb-0">Edition Information</h5>
                    </div>
                    <div class="card-body">
                        <div class="mb-3">
                            <label for="title" class="form-label">Edition Title <span class="text-danger">*</span></label>
                            <input type="text" name="title" id="title" class="form-control" value="{{ old('title') }}" placeholder="e.g., Daily Edition - Dhaka" required>
                        </div>

                        <div class="row">
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="edition_date" class="form-label">Edition Date <span class="text-danger">*</span></label>
                                    <input type="date" name="edition_date" id="edition_date" class="form-control" value="{{ old('edition_date', date('Y-m-d')) }}" required>
                                </div>
                            </div>
                            <div class="col-md-6">
                                <div class="mb-3">
                                    <label for="status" class="form-label">Status <span class="text-danger">*</span></label>
                                    <select name="status" id="status" class="form-select" required>
                                        <option value="draft">Draft</option>
                                        <option value="published" selected>Published</option>
                                    </select>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>

                <div class="card mb-4">
                    <div class="card-header bg-white">
                        <h5 class="mb-0">Upload Files</h5>
                    </div>
                    <div class="card-body">
                        <div class="mb-4">
                            <label for="cover_image" class="form-label">Cover Image <span class="text-danger">*</span></label>
                            <input type="file" name="cover_image" id="cover_image" class="form-control" accept="image/*" required>
                            <small class="text-muted">Recommended: 800x1100px, JPG or PNG</small>
                            <div id="cover_preview" class="mt-2"></div>
                        </div>

                        <div class="mb-4">
                            <label for="pdf_file" class="form-label">PDF File</label>
                            <input type="file" name="pdf_file" id="pdf_file" class="form-control" accept="application/pdf">
                            <small class="text-muted">Upload complete PDF for download (Optional, Max 50MB)</small>
                        </div>

                        <div class="mb-3">
                            <label class="form-label">Page Images <span class="text-danger">*</span></label>
                            <div class="border rounded p-3 bg-light">
                                <div id="pages_container">
                                    <div class="page-upload-item mb-3">
                                        <div class="row align-items-center">
                                            <div class="col-md-2">
                                                <label class="form-label mb-0">Page 1</label>
                                            </div>
                                            <div class="col-md-8">
                                                <input type="file" name="pages[]" class="form-control page-input" accept="image/*" required>
                                            </div>
                                            <div class="col-md-2">
                                                <button type="button" class="btn btn-sm btn-danger remove-page" disabled>
                                                    <i class="bi bi-trash"></i>
                                                </button>
                                            </div>
                                        </div>
                                    </div>
                                </div>
                                <button type="button" class="btn btn-outline-primary btn-sm" id="add_page">
                                    <i class="bi bi-plus-circle"></i> Add Another Page
                                </button>
                            </div>
                            <small class="text-muted">Upload individual page images in order (Recommended: 1200x1700px each)</small>
                        </div>
                    </div>
                </div>
            </div>

            <div class="col-md-4">
                <div class="card">
                    <div class="card-header bg-white">
                        <h5 class="mb-0">Instructions</h5>
                    </div>
                    <div class="card-body">
                        <div class="alert alert-info">
                            <h6><i class="bi bi-info-circle"></i> Upload Guidelines</h6>
                            <ul class="small mb-0">
                                <li>Cover image should be high quality</li>
                                <li>Upload page images in sequential order</li>
                                <li>Each page should be a clear image</li>
                                <li>Supported formats: JPG, PNG, WEBP</li>
                                <li>PDF is optional but recommended</li>
                                <li>Maximum file size: 10MB per image</li>
                            </ul>
                        </div>

                        <div class="alert alert-warning">
                            <h6><i class="bi bi-lightbulb"></i> Tips</h6>
                            <ul class="small mb-0">
                                <li>Use consistent image dimensions</li>
                                <li>Optimize images before uploading</li>
                                <li>Save as draft to preview before publishing</li>
                                <li>You can add more pages after creation</li>
                            </ul>
                        </div>

                        <button type="submit" class="btn btn-primary w-100">
                            <i class="bi bi-cloud-upload"></i> Upload Edition
                        </button>
                    </div>
                </div>
            </div>
        </div>
    </form>
</div>

@push('scripts')
<script>
document.addEventListener('DOMContentLoaded', function() {
    let pageCount = 1;

    // Cover image preview
    document.getElementById('cover_image').addEventListener('change', function(e) {
        const file = e.target.files[0];
        if (file) {
            const reader = new FileReader();
            reader.onload = function(e) {
                document.getElementById('cover_preview').innerHTML =
                    '<img src="' + e.target.result + '" class="img-thumbnail" style="max-width: 200px;">';
            };
            reader.readAsDataURL(file);
        }
    });

    // Add page
    document.getElementById('add_page').addEventListener('click', function() {
        pageCount++;
        const pageHtml = `
            <div class="page-upload-item mb-3">
                <div class="row align-items-center">
                    <div class="col-md-2">
                        <label class="form-label mb-0">Page ${pageCount}</label>
                    </div>
                    <div class="col-md-8">
                        <input type="file" name="pages[]" class="form-control page-input" accept="image/*" required>
                    </div>
                    <div class="col-md-2">
                        <button type="button" class="btn btn-sm btn-danger remove-page">
                            <i class="bi bi-trash"></i>
                        </button>
                    </div>
                </div>
            </div>
        `;
        document.getElementById('pages_container').insertAdjacentHTML('beforeend', pageHtml);
        updateRemoveButtons();
    });

    // Remove page
    document.addEventListener('click', function(e) {
        if (e.target.closest('.remove-page')) {
            e.target.closest('.page-upload-item').remove();
            pageCount--;
            updatePageNumbers();
            updateRemoveButtons();
        }
    });

    function updatePageNumbers() {
        document.querySelectorAll('.page-upload-item').forEach((item, index) => {
            item.querySelector('label').textContent = 'Page ' + (index + 1);
        });
        pageCount = document.querySelectorAll('.page-upload-item').length;
    }

    function updateRemoveButtons() {
        const buttons = document.querySelectorAll('.remove-page');
        buttons.forEach((btn, index) => {
            btn.disabled = buttons.length === 1;
        });
    }
});
</script>
@endpush
@endsection