import { getShareConfigApi } from "../../api/share.api";
import ShareConfigModel from "../../store/models/shareConfig.model";

const shareConfigModel = ShareConfigModel.getInstance();

/**
 * 初始化分享配置
 */
export const initShareConfig = async () => {
   try {
     shareConfigModel.clear();
    const shareConfigData = await getShareConfigApi()

    if(shareConfigData.length){
        // 从数组中随机选择一个分享配置
        const randomShareConfig = shareConfigData[Math.floor(Math.random() * shareConfigData.length)];

        shareConfigModel.save(randomShareConfig)
    }


    return Promise.resolve()
   } catch (error) {
    return Promise.reject(error)
   }
}

/**
 * 开启系统分享
 */
export const openSystemShare = async () => {
    const shareConfig = shareConfigModel.get()
    if (!shareConfig) {
        return
    }
    try {
        // 开启分享按钮
        tt.showShareMenu({});
        await initShareConfig();
        let shareData = generateShareData({});
        tt.onShareAppMessage(() => {
            return shareData;
        });
        return Promise.resolve();
    } catch (error) {
        return Promise.reject(error);
    }
}



/**
 * 主动发起分享
 */
export const share = async(data) => {
    const shareConfig = shareConfigModel.get()
    if (!shareConfig) {
        return
    }
    try {
        await initShareConfig();
        // 发起分享
        let shareData = generateShareData(data);
        tt.shareAppMessage(shareData);
        return Promise.resolve();
    } catch (error) {
        return Promise.reject(error);
    }
}

/**
 *  主动监听研发透传参数
 */
export const onShareAppMessage = (data,menus=['shareAppMessage']) => {
    console.log("onShareAppMessage入参" + JSON.stringify(data));
    //先off，再on
    tt.offShareAppMessage();
    let shareData = generateShareData(data);
    tt.showShareMenu({});
    tt.onShareAppMessage(() => {
        return shareData;
    });
};


/**
 * 构建分享数据
 * @param data 
 * @returns 
 */

const generateShareData = (data) => {
    let shareConfigInfo = shareConfigModel.get();
    let shareData = {
        title: shareConfigInfo.title,
        imageUrl: shareConfigInfo.imageUrl,
        query: shareConfigInfo.query,
    };
    let share_ext = "";
    // 记录分享透传参数
    if (data.hasOwnProperty("title") && data.title) shareData.title = data.title;
    if (data.hasOwnProperty("imageUrl") && data.imageUrl) shareData.imageUrl = data.imageUrl;
    if (data.hasOwnProperty("ext") && data.ext) share_ext = data.ext;

    //前面这个share_ext是研发透传进来的，后面这个是服务端传进来的
    shareData.query += shareConfigInfo.share_ext;
    if (share_ext) {
        shareData.query += `&share_ext=` + share_ext;
    }
    return shareData;
};