"""
图片编辑器 - Image Editor v1.2.7
前端图片处理工具：合并、分割、挖孔填充、圆形切图、文字图片等
v1.2.7: 修复合并图片紧密拼接问题

端口: 19018
"""

from flask import Flask, render_template, jsonify, request, send_file
from flask_cors import CORS
from pathlib import Path
import base64
from datetime import datetime
import uuid

app = Flask(__name__, static_folder='static', static_url_path='/static')
CORS(app)

OUTPUT_DIR = Path(__file__).parent / 'outputs'
OUTPUT_DIR.mkdir(exist_ok=True)

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/api/health')
def health():
    return jsonify({'status': 'ok', 'version': '1.2.7', 'time': datetime.now().isoformat()})

@app.route('/api/save', methods=['POST'])
def save_image():
    data = request.get_json()
    image_data = data.get('image', '')
    filename = data.get('filename', f'image_{uuid.uuid4().hex[:8]}.png')
    
    if not image_data:
        return jsonify({'error': '无图片数据'}), 400
    
    if image_data.startswith('data:image'):
        image_data = image_data.split(',', 1)[1]
    
    filepath = OUTPUT_DIR / filename
    filepath.write_bytes(base64.b64decode(image_data))
    
    return jsonify({'success': True, 'filename': filename})

@app.route('/api/download/<filename>')
def download_image(filename):
    filepath = OUTPUT_DIR / filename
    if not filepath.exists():
        return jsonify({'error': '文件不存在'}), 404
    return send_file(filepath, as_attachment=True)

@app.route('/api/list')
def list_images():
    images = []
    for f in OUTPUT_DIR.glob('*.png'):
        images.append({
            'filename': f.name,
            'size': f.stat().st_size,
            'time': datetime.fromtimestamp(f.stat().st_mtime).strftime('%Y-%m-%d %H:%M:%S')
        })
    return jsonify({'images': sorted(images, key=lambda x: x['time'], reverse=True)})

if __name__ == '__main__':
    print("=" * 50)
    print("图片编辑器 - Image Editor v1.2.7")
    print("=" * 50)
    print("修复合并图片紧密拼接问题")
    print(f"访问地址: http://localhost:19018")
    print("=" * 50)
    app.run(host='0.0.0.0', port=19018, debug=True)