import store from '../store'
import * as util from './util'
import { paginate } from '@/common/constant'
import * as MessageApi from '@/api/message'

/**
 * 获取当前运行的终端(App H5 小程序)
 * https://uniapp.dcloud.io/platform
 */
export const getPlatform = () => {
  // #ifdef APP-PLUS
  const platform = 'App'
  // #endif
  // #ifdef APP-PLUS-NVUE
  const platform = 'App'
  // #endif
  // #ifdef H5
  const platform = 'H5'
  // #endif
  // #ifdef MP-WEIXIN
  const platform = 'MP-WEIXIN'
  // #endif
  // #ifdef MP-ALIPAY
  const platform = 'MP-ALIPAY'
  // #endif
  // #ifdef MP-BAIDU
  const platform = 'MP-BAIDU'
  // #endif
  // #ifdef MP-TOUTIAO
  const platform = 'MP-TOUTIAO'
  // #endif
  // #ifdef MP-QQ
  const platform = 'MP-QQ'
  // #endif
  // #ifdef MP-360
  const platform = 'MP-360'
  // #endif
  return platform;
}

/**
 * 显示成功提示框
 */
export const showSuccess = (msg, callback) => {
  uni.showToast({
    title: msg,
    icon: 'success',
    mask: true,
    duration: 1500,
    success() {
      callback && callback()
    }
  })
}

/**
 * 显示失败提示框
 */
export const showError = (msg, callback) => {
  uni.showModal({
    title: '友情提示',
    content: msg,
    showCancel: false,
    success(res) {
      callback && callback()
    }
  })
}

/**
 * 显示纯文字提示框
 */
export const showToast = msg => {
  uni.showToast({
    title: msg,
    icon: 'none'
  })
}

/**
 * tabBar页面路径列表 (用于链接跳转时判断)
 * tabBarLinks为常量, 无需修改
 */
export const getTabBarLinks = () => {
  const tabBarLinks = [
    'pages/index/index',
    'pages/category/index',
    'pages/user/index'
  ]
  return tabBarLinks
}

/**
 * 生成转发的url参数
 */
export const getShareUrlParams = (params) => {
  return util.urlEncode({
    refereeId: store.getters.userId, // 推荐人ID
    ...params
  })
}

/**
 * 跳转到指定页面url
 * 支持tabBar页面
 * @param {string}  url
 * @param {object}  query
 */
export const navTo = (url, query = {}) => {
  if (!url || url.length == 0) {
    return false
  }
  // tabBar页面, 使用switchTab
  if (util.inArray(url, getTabBarLinks())) {
    uni.switchTab({
      url: `/${url}`
    })
    return true
  }
  // 生成query参数
  const queryStr = !util.isEmpty(query) ? '?' + util.urlEncode(query) : ''
  // 普通页面, 使用navigateTo
  uni.navigateTo({
    url: `/${url}${queryStr}`
  })
  return true
}

/**
 * 记录购物车商品总数量
 * @param {*} value 
 */
export const setCartTotalNum = (value) => {
  uni.setStorageSync('cartTotalNum', Number(value))
}

/**
 * 设置购物车tabbar的角标
 * 该方法只能在tabbar页面中调用, 其他页面调用会报错
 */
export const setCartTabBadge = () => {
  const cartTabbarIndex = 1
  const cartTotal = uni.getStorageSync('cartTotalNum') || 0;
  
  console.log('cartTotal = ', cartTotal);
  
  if (cartTotal > 0) {
      uni.setTabBarBadge({
          index: cartTabbarIndex,
          text: `${cartTotal}`
      })
  } else {
    uni.removeTabBarBadge({
        index: cartTabbarIndex
    })
  }
  return
}

/**
 * 验证是否已登录
 */
export const checkLogin = () => {
  return !!store.getters.userId;
}

/**
 * 需要登录后操作
 */
export const needLogin = () => {
  const isLogin = checkLogin();
  if (!isLogin) {
      uni.showModal({
        title: '温馨提示',
        content: '此时此刻需要您登录喔~',
        confirmText: "去登录",
        cancelText: "再逛会",
        success: res => {
          if (res.confirm) {
              uni.navigateTo({
                 url: "/pages/login/index"
              })
          }
        }
      })
  }
}

/**
 * 发起支付请求
 * @param {Object} 参数
 */
export const wxPayment = (option) => {
  const options = {
    timeStamp: '',
    nonceStr: '',
    prepay_id: '',
    paySign: '',
    ...option
  }
  // 微信内浏览器支付
  if (isWechat()) {
      return new Promise((resolve, reject) => {
         wxH5Payment(options, 
         function(res) {
            resolve(res);
         },
         function(err) {
            reject(err);
         });
      })
  }
  
  // H5支付
  if (getPlatform() == 'H5' && option.mweb_url) {
      h5Pay(option.mweb_url, option.backUrl);
      return true;
  }
  
  // 微信小程序支付
  return new Promise((resolve, reject) => {
    uni.requestPayment({
        provider: 'wxpay',
        timeStamp: options.timeStamp,
        nonceStr: options.nonceStr,
        'package': options.package,
        signType: 'MD5',
        paySign: options.paySign,
        success: res => resolve(res),
        fail: res => reject(res)
    })
  })
}

/**
 * 加载更多列表数据
 * @param {Object} resList 新列表数据
 * @param {Object} oldList 旧列表数据
 * @param {int} pageNo 当前页码
 */
export const getEmptyPaginateObj = () => {
  return util.cloneObj(paginate)
}

/**
 * 加载更多列表数据
 * @param {Object} resList 新列表数据
 * @param {Object} oldList 旧列表数据
 * @param {int} pageNo 当前页码
 */
export const getMoreListData = (resList, oldList, pageNo) => {
  // 如果是第一页需手动制空列表
  if (pageNo == 1) oldList.content = [];
  // 合并新数据
  return oldList.content.concat(resList.content);
}

/**
 * 弹框消息
 * @param {Object} 参数
 */
export const showMessage = () =>  {
  const app = this
  if (!store.getters.userId) {
      return false
  }
  return new Promise((resolve, reject) => {
    MessageApi.getOne()
      .then(result => {
        if (result.data.content) {
            uni.showModal({
                title: result.data.title ? result.data.title : '友情提示',
                content: result.data.content,
                showCancel: false,
                success(res) {
                  if (res.confirm) {
                    // 将消息置为已读
                    MessageApi.readed({'msgId' : result.data.msgId})
                      .then(result => {
                        //empty
                      })
                  }
                }
            })
        }
      })
  })
}

export const isWechat = () => {
    try {
        const ua = window.navigator.userAgent.toLowerCase();  
        if (ua.match(/micromessenger/i) == 'micromessenger') {  
            return true;  
        } else {  
            return false;  
        }
    } catch (e) {
        return false;
    }
}

export const wxH5Payment = (data, callback_succ_func, callback_error_func) => {  
    if (!isWechat()) {  
        return false;  
    }  
    if (typeof WeixinJSBridge == "undefined") {  
        if (document.addEventListener) {  
            document.addEventListener('WeixinJSBridgeReady', jsApiCall, false);  
        } else if (document.attachEvent) {  
            document.attachEvent('WeixinJSBridgeReady', jsApiCall);  
            document.attachEvent('onWeixinJSBridgeReady', jsApiCall);  
        }  
    } else {  
        jsApiCall(data, callback_succ_func, callback_error_func);  
    }  
}  

export const jsApiCall = (data, callback_succ_func, callback_error_func) => {
    //使用原生的,避免初始化appid问题  
    WeixinJSBridge.invoke('getBrandWCPayRequest', {  
        appId:data['appId'],  
        timeStamp: data['timeStamp'],  
        nonceStr: data['nonceStr'], // 支付签名随机串,不长于 32 位  
        package: data['package'], // 统一支付接口返回的prepay_id参数值,提交格式如:prepay_id=\*\*\*)  
        signType: data['signType'], // 签名方式,默认为'SHA1',使用新版支付需传入'MD5'  
        paySign: data['paySign'], // 支付签名  
    },  
    function(res) {  
        var msg = res.err_msg ?res.err_msg :res.errMsg;  
        //WeixinJSBridge.log(msg);  
        switch (msg) {  
            case 'get_brand_wcpay_request:ok': //支付成功时  
                if(callback_succ_func){  
                    callback_succ_func(res);  
                }  
                break;  
            default: //支付失败时  
                WeixinJSBridge.log('支付失败!'+msg+',请返回重试.');  
                if(callback_error_func){  
                    callback_error_func({msg:msg});  
                }  
                break;  
        }  
    })  
}

export const h5Pay = (url, backUrl) => {
      // 设置回跳地址,支付完成之后回跳到哪
      let redirectUrl ='&redirect_url=' + encodeURIComponent(backUrl);
      // 拼接上回跳地址
      let linkUrl = url + redirectUrl
      const system = uni.getSystemInfoSync()
      if (system.platform == 'ios') {
          // 如果是iOS平台,使用location.href,iOS里面限制了window.open的使用。
          window.location.href = linkUrl;
      } else {
          window.open(linkUrl);
      }
}