import { Platform } from "react-native";
import { create } from 'zustand';
import useUserStore from "./user";

// 定义事件属性类型为灵活的记录类型
type EventProperty = Record<string, any>;

// 定义事件类型
type BurialEvent = {
  event_name: string;
  page_name: string | null;
  referre_page: string | null;  // 注意这里字段名已更正为referre_page
  event_properties: EventProperty[];
}

// 定义产品属性类型
type ProductProperty = {
  offer_id: number;
  category_id: number;
  price: number;
  sku_id: number;
  currency: string;
  product_name: string;
  timestamp: string;
  product_img: string;
}

// 定义购物车属性类型
type CartProperty = {
  offer_id: number;
  category_id: number;
  price: number;
  all_price: number;
  currency: string;
  sku_id: number;
  quantity: number;
  product_name: string;
  timestamp: string;
  sku_img: string;
  all_quantity:number
}

// 定义搜索属性类型
type SearchProperty = {
  key_word: string;
  timestamp: string;
}

// 定义地址信息属性类型
type AddressProperty = {
  last_name: string;
  first_name: string;
  country: string;
  phone_number: number;
  whatsApp_number: number;
  timestamp: string;
}

// 定义物流信息属性类型
type ShippingProperty = {
  shipping_method: number;
  shipping_price_outside: number;
  shipping_price_within: number;
  currency: string;
  forwarder_name: string;
  country_city: string;
  timestamp: string;
}

// 定义支付方式属性类型
type PaymentProperty = {
  pay_method: string;
  offline_payment: number;
  all_price: number;
  currency: string;
  pay_product?: string;
  shipping_method: number;
  shipping_price_outside: number;
  shipping_price_within: number;
  timestamp: string;
}

// 定义支付结账属性类型
type CheckoutProperty = {
  is_suc: number;
  all_price: number;
  currency: string;
  shipping_method: number;
  shipping_price_outside: number;
  shipping_price_within: number;
  pay_product?: string;
  timestamp: string;
}

// 生成唯一ID函数，替代md5
const generateUniqueId = () => {
  return `${Date.now()}-${Math.random().toString(36).substr(2, 9)}`;
};

// 创建唯一的session_id
const SESSION_ID = generateUniqueId();

// 定义埋点store的状态
type BurialPointState = {
  device_id: string;
  version: string;
  session_id: string;
  event_list: BurialEvent[];
  addEvent: (event: BurialEvent) => void;
  logAppLaunch: (isSuccess?: boolean) => void;
  logLogin: (isSuccess: boolean, loginMethod: string) => void;
  logRegister: (isSuccess: boolean, registerMethod: string) => void;
  logViewProduct: (productInfo: ProductProperty, fromPage?: string) => void;
  logSearch: (keyword: string, fromPage?: string) => void;
  logAddressInfo: (addressInfo: Omit<AddressProperty, "timestamp">, fromPage?: string) => void;
  logShippingConfirm: (shippingInfo: Omit<ShippingProperty, "timestamp">, fromPage?: string) => void;
  logPaymentConfirm: (paymentInfo: Omit<PaymentProperty, "timestamp">, fromPage?: string) => void;
  logPreviewOrder: (fromPage?: string) => void;
  logCheckout: (checkoutInfo: Omit<CheckoutProperty, "timestamp">, fromPage?: string) => void;
  logAddToCart: (cartInfo: Omit<CartProperty, "timestamp">, fromPage?: string) => void;
  clearData: () => void;
}

// 获取当前格式化的时间字符串 YYYY-MM-DD HH:MM:SS
const getCurrentFormattedTime = (): string => {
  return new Date().toISOString().replace('T', ' ').substr(0, 19);
};

// 创建埋点store
const useBurialPointStore = create<BurialPointState>((set, get) => ({
  device_id: Platform.OS,
  version: generateUniqueId(),
  session_id: SESSION_ID,
  event_list: [],
  
  // 添加事件
  addEvent: (event: BurialEvent) => {
    set((state) => {
      // 检查是否已存在相同event_name, page_name, referre_page的事件
      const existingEventIndex = state.event_list.findIndex(item => 
        item.event_name === event.event_name && 
        item.page_name === event.page_name && 
        item.referre_page === event.referre_page
      );

      let newEventList = [...state.event_list];
      
      if (existingEventIndex !== -1) {
        // 如果存在相同事件，将新的event_properties添加到已存在事件的event_properties中
        const existingEvent = state.event_list[existingEventIndex];
        const updatedEvent = {
          ...existingEvent,
          event_properties: [...existingEvent.event_properties, ...event.event_properties]
        };
        
        // 更新现有事件
        newEventList[existingEventIndex] = updatedEvent;
      } else {
        // 如果不存在相同事件，添加新事件
        newEventList = [...state.event_list, event];
      }
      
      // 检查是否需要清理数据
      if (newEventList.length >= 10) {
        // 这里可以在清理前添加发送数据到服务器的逻辑
        console.log('Data cleared, event count:', newEventList.length);
        console.log(getBurialPointData());
        
        return { event_list: [] };
      }
      
      return { event_list: newEventList };
    });
  },
  
  // 记录应用启动埋点
  logAppLaunch: (isSuccess = true) => {
    const appLaunchEvent: BurialEvent = {
      event_name: "app_launch",
      page_name: null,
      referre_page: null,
      event_properties: [
        {
          is_open: isSuccess ? 1 : 0,  // 1表示成功，0表示失败
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(appLaunchEvent);
  },
  
  // 记录登录事件埋点
  logLogin: (isSuccess = true, loginMethod = "phone") => {
    const loginEvent: BurialEvent = {
      event_name: "login",
      page_name: null,
      referre_page: null,
      event_properties: [
        {
          is_login: isSuccess ? 1 : 0,  // 1表示成功，0表示失败
          login_method: loginMethod,     // 登录方式
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(loginEvent);
  },
  
  // 记录注册事件埋点
  logRegister: (isSuccess = true, registerMethod = "phone") => {
    const registerEvent: BurialEvent = {
      event_name: "register",
      page_name: null,
      referre_page: null,
      event_properties: [
        {
          is_register: isSuccess ? 1 : 0,    // 1表示成功，0表示失败
          register_method: registerMethod,    // 注册方式
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(registerEvent);
  },
  
  // 记录浏览商品事件埋点
  logViewProduct: (productInfo: ProductProperty, fromPage = "home") => {
    const viewProductEvent: BurialEvent = {
      event_name: "product_view",
      page_name: "ProductDetail",
      referre_page: fromPage,
      event_properties: [productInfo]
    };
    
    get().addEvent(viewProductEvent);
  },
  
  // 记录搜索事件埋点
  logSearch: (keyword: string, fromPage = "home") => {
    const searchEvent: BurialEvent = {
      event_name: "search",
      page_name: "search",
      referre_page: fromPage,
      event_properties: [
        {
          key_word: keyword,
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(searchEvent);
  },
  
  // 记录填写地址信息事件埋点
  logAddressInfo: (addressInfo: Omit<AddressProperty, "timestamp">, fromPage = "cart") => {
    const addressEvent: BurialEvent = {
      event_name: "fill_information",
      page_name: "PreviewAddress",
      referre_page: fromPage,
      event_properties: [
        {
          ...addressInfo,
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(addressEvent);
  },
  
  // 记录物流信息确认事件埋点
  logShippingConfirm: (shippingInfo: Omit<ShippingProperty, "timestamp">, fromPage = "address") => {
    const shippingEvent: BurialEvent = {
      event_name: "shipping_confirm",
      page_name: "ShippingFee",
      referre_page: fromPage,
      event_properties: [
        {
          ...shippingInfo,
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(shippingEvent);
  },
  
  // 记录支付方式确认事件埋点
  logPaymentConfirm: (paymentInfo: Omit<PaymentProperty, "timestamp">, fromPage = "shipping") => {
    const paymentEvent: BurialEvent = {
      event_name: "payment_confirm",
      page_name: "PaymentMethod",
      referre_page: fromPage,
      event_properties: [
        {
          ...paymentInfo,
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(paymentEvent);
  },
  
  // 记录预览订单事件埋点
  logPreviewOrder: (fromPage = "pay_method") => {
    const previewEvent: BurialEvent = {
      event_name: "preview_order",
      page_name: "PreviewOrder",
      referre_page: fromPage,
      event_properties: [
        {
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(previewEvent);
  },
  
  // 记录支付结账事件埋点
  logCheckout: (checkoutInfo: Omit<CheckoutProperty, "timestamp">, fromPage = "perview") => {
    const checkoutEvent: BurialEvent = {
      event_name: "check_out",
      page_name: "pay",
      referre_page: fromPage,
      event_properties: [
        {
          ...checkoutInfo,
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(checkoutEvent);
  },
  
  // 记录添加购物车事件埋点
  logAddToCart: (cartInfo: Omit<CartProperty, "timestamp">, fromPage = "search") => {
    const addToCartEvent: BurialEvent = {
      event_name: "add_to_cart",
      page_name: "add_to_cart",
      referre_page: fromPage,
      event_properties: [
        {
          ...cartInfo,
          timestamp: getCurrentFormattedTime()
        }
      ]
    };
    
    get().addEvent(addToCartEvent);
  },
  
  // 清空数据
  clearData: () => {
    // 这里可以添加发送数据到服务器的逻辑
    console.log('Data cleared, event count:', get().event_list.length);
    set({ event_list: [] });
  }
}));

// 获取埋点数据，包括从userStore获取的user_id
export const getBurialPointData = () => {
  const burialState = useBurialPointStore.getState();
  const user = useUserStore.getState().user;
  
  return {
    user_id: user?.user_id || null,
    device_id: burialState.device_id,
    version: burialState.version,
    session_id: burialState.session_id,
    event_list: burialState.event_list
  };
};

export default useBurialPointStore;