var api = require('../config/api.js');


function formatTime(date) {
    var year = date.getFullYear()
    var month = date.getMonth() + 1
    var day = date.getDate()

    var hour = date.getHours()
    var minute = date.getMinutes()
    var second = date.getSeconds()


    return [year, month, day].map(formatNumber).join('-') + ' ' + [hour, minute, second].map(formatNumber).join(':')
}

function formatNumber(n) {
    n = n.toString()
    return n[1] ? n : '0' + n
}

/**
 * 封封微信的的request
 */
function request(url, data = {}, method = "POST", header = "application/x-www-form-urlencoded") {
  
  if (!~url.indexOf('/api/cart/update') && !~url.indexOf('/api/cart/index')){
    wx.showLoading({
      title: '加载中...',
    });
  }
    
    return new Promise(function (resolve, reject) {
        wx.request({
            url: url,
            data: data,
            method: method,
            header: {
                'Content-Type': header,
                'X-Nideshop-Token': wx.getStorageSync('token')
            },
            success: function (res) {
                wx.hideLoading();
                if (res.statusCode == 200) {

                  if (res.data.errno == 401 && !~url.indexOf('/api/cart/index')) {
                      wx.setStorageSync('isLogin', false)
                      wx.navigateTo({
                          url: '/pages/auth/btnAuth/btnAuth',
                      })
                    } else {
                        resolve(res.data);
                    }
                } else {
                    reject(res.errMsg);
                }

            },
            fail: function (err) {
                reject(err)
            },
            complete:function (res){
              wx.stopPullDownRefresh()
              wx.hideLoading();
            }
        })
    });
}

/**
 * 检查微信会话是否过期
 */
function checkSession() {
    return new Promise(function (resolve, reject) {
        wx.checkSession({
            success: function () {
                resolve(true);
            },
            fail: function () {
                reject(false);
            }
        })
    });
}

/**
 * 调用微信登录
 */
function login() {
    return new Promise(function (resolve, reject) {
        wx.login({
            success: function (res) {
                if (res.code) {
                    resolve(res);
                } else {
                    reject(res);
                }
            },
            fail: function (err) {
                reject(err);
            }
        });
    });
}

function redirect(url) {

    //判断页面是否需要登录
    if (false) {
        wx.redirectTo({
            url: '/pages/auth/login/login'
        });
        return false;
    } else {
        wx.redirectTo({
            url: url
        });
    }
}

function showErrorToast(msg) {
    wx.showToast({
        title: msg,
        image: '/static/images/icon_error.png'
    })
}

function showSuccessToast(msg) {
    wx.showToast({
        title: msg,
    })
}

const imgServer = 'https://4d-tjw.oss-cn-shenzhen.aliyuncs.com/wxmall/images'



module.exports = {
    formatTime,
    request,
    redirect,
    showErrorToast,
    showSuccessToast,
    checkSession,
    login,
    imgServer
}