from flask import Flask, render_template, jsonify
from config import Config
from extensions import db, redis_client, migrate
from blueprints.auth import auth_bp
from blueprints.api import api_bp
from blueprints.admin import admin_bp
from blueprints.payment import payment_bp
import threading
import time

# 导入模型（必须在 db.create_all() 之前导入）
import models

def create_app():
    app = Flask(__name__)
    app.config.from_object(Config)
    
    # 初始化扩展
    db.init_app(app)
    redis_client.init_app(app)
    migrate.init_app(app, db)
    
    # 注册蓝图
    app.register_blueprint(auth_bp)
    app.register_blueprint(api_bp)
    app.register_blueprint(admin_bp)
    app.register_blueprint(payment_bp)
    
    from flask import g, session
    from models import User, SystemLog
    
    @app.before_request
    def load_user():
        """在每个请求前加载用户信息到 g，供日志系统使用"""
        user_id = session.get('user_id')
        if user_id:
            g.user_id = user_id
            g.user = db.session.get(User, user_id)
        else:
            g.user_id = None
            g.user = None

    @app.context_processor
    def inject_menu():
        """将导航菜单注入所有模板，实现服务端渲染，解决闪烁问题"""
        from blueprints.auth import get_user_menu
        menu = get_user_menu(g.user) if hasattr(g, 'user') else []
        return dict(nav_menu=menu)

    @app.route('/api/system_logs')
    def get_system_logs():
        """获取系统日志数据 (供后台管理界面使用)"""
        # 这里可以加入权限检查
        logs = SystemLog.query.order_by(SystemLog.created_at.desc()).limit(100).all()
        return jsonify([{
            'id': log.id,
            'user_id': log.user_id,
            'level': log.level,
            'module': log.module,
            'message': log.message,
            'extra': log.extra,
            'ip': log.ip,
            'path': log.path,
            'method': log.method,
            'user_agent': log.user_agent,
            'created_at': log.created_at_bj.strftime('%Y-%m-%d %H:%M:%S')
        } for log in logs])
    
    @app.route('/')
    def index():
        return render_template('index.html')
        
    @app.route('/ocr')
    def ocr():
        return render_template('ocr.html')
        
    @app.route('/visualizer')
    def visualizer():
        return render_template('kongzhiqi.html')
        
    @app.route('/video')
    def video_page():
        return render_template('video.html')
        
    # 自动创建数据库表
    with app.app_context():
        print("🔧 正在检查并创建数据库表...")
        db.create_all()
        print("✅ 数据库表已就绪")
        
    return app

app = create_app()

if __name__ == '__main__':
    app.run(host='0.0.0.0', port=5000, debug=True)