"""
SeedDream v4 Editor - 简化版本
重构后的干净架构，消除过度复杂性
"""
import os
from pathlib import Path
from flask import Flask, render_template, send_from_directory
from flask_cors import CORS
from api.routes import api


def create_app():
    """创建Flask应用 - 简化配置"""
    app = Flask(__name__)
    CORS(app)

    # 简化配置
    app.config.update({
        'MAX_CONTENT_LENGTH': 16 * 1024 * 1024,  # 16MB
        'UPLOAD_FOLDER': '/tmp'
    })

    # 确保目录存在
    Path("static").mkdir(exist_ok=True)
    Path("templates").mkdir(exist_ok=True)

    # 注册API蓝图
    app.register_blueprint(api, url_prefix='/api')

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

    @app.route('/static/<path:filename>')
    def serve_static(filename):
        return send_from_directory('static', filename)

    return app


if __name__ == '__main__':
    app = create_app()

    # 获取端口配置
    port = int(os.environ.get('PORT', 7860))
    is_production = os.environ.get('SPACE_ID') is not None

    # 启动应用
    app.run(
        host='0.0.0.0',
        port=port,
        debug=not is_production
    )