const HOST = 'https://lottery-wxa-api.duowan.com' // prod
// const HOST = 'https://test-lottery-wxa-api.duowan.com/'  // test
const HEADER = { 'content-type': 'application/x-www-form-urlencoded' }

/**
 * 获取抽奖列表
 *
 * @param {*} cur_page 当前页
 * @param {number} [page_count=10] 每页数量
 */
function getLotteries(cur_page, page_count = 10) {
	const { token } = wx.getStorageSync('USER_INFO')
	return new Promise((resolve, reject) => {
		wx.request({
			url: HOST + '/lotteries',
			data: {
				token,
				page: cur_page,
				page_size: page_count
			},
			header: HEADER,
			method: 'GET',
			dataType: 'json',
      success: result => {
        if (result.data.code == -401) {
          let pages = getCurrentPages()
          let pageIndex = pages.length - 1
          let prevpage = '?prevpage=' + (pages[pageIndex].route ? '/' + pages[pageIndex].route : '/pages/index/index')
          if (pages[pageIndex].route && pages[pageIndex].options) {
            let querys = ''
            Object.keys(pages[pageIndex].options).map((key, value) => {
              querys += key + '~' + pages[pageIndex].options[key] + ','
            })
            prevpage = prevpage + '&querys=' + querys.slice(0, querys.length - 1)
          }
          wx.redirectTo({
            url: '/pages/login/login' + prevpage
          })
          return false
        }
				result.data.code === 0 ? resolve(result.data) : reject(result.data)
			},
			fail: () => {
				reject('请求失败')
			}
		})
	})
}

/**
 * 获取抽奖详情信息
 *
 * @param {*} id 抽奖ID
 * @returns
 */
function getLotteryDetail(id) {
	const { token } = wx.getStorageSync('USER_INFO')
	return new Promise((resolve, reject) => {
		wx.request({
      url: HOST + '/lotteries/' + id,
      data: {
        token
      },
      header: HEADER,
      method: 'GET',
      dataType: 'json',
      success: result => {
        if (result.data.code == -401) {
          let pages = getCurrentPages()
          let pageIndex = pages.length - 1
          let prevpage = '?prevpage=' + (pages[pageIndex].route ? '/' + pages[pageIndex].route : '/pages/index/index')
          if (pages[pageIndex].route && pages[pageIndex].options) {
            let querys = ''
            Object.keys(pages[pageIndex].options).map((key, value) => {
              querys += key + '~' + pages[pageIndex].options[key] + ','
            })
            prevpage = prevpage + '&querys=' + querys.slice(0, querys.length - 1)
          }
          wx.redirectTo({
            url: '/pages/login/login' + prevpage
          })
          return false
        }
				result.data.code === 0 ? resolve(result.data) : reject(result.data)
      },
      fail: () => {
				reject('请求失败')
			}
		})
	})
}

/**
 * 抽奖接口
 *
 * @param {*} id 抽奖ID
 * @returns
 */
function drawLottery(id, formId) {
  const { token } = wx.getStorageSync('USER_INFO')
  return new Promise((resolve, reject) => {
		wx.request({
      url: HOST + '/lotteries/draw/' + id ,
      data: {
        token,
        formId 
      },
      header: HEADER,
      method: 'POST',
      dataType: 'json',
      success: result => {
        if (result.data.code == -401) {
          let pages = getCurrentPages()
          let pageIndex = pages.length - 1
          let prevpage = '?prevpage=' + (pages[pageIndex].route ? '/' + pages[pageIndex].route : '/pages/index/index')
          if (pages[pageIndex].route && pages[pageIndex].options) {
            let querys = ''
            Object.keys(pages[pageIndex].options).map((key, value) => {
              querys += key + '~' + pages[pageIndex].options[key] + ','
            })
            prevpage = prevpage + '&querys=' + querys.slice(0, querys.length - 1)
          }
          wx.redirectTo({
            url: '/pages/login/login' + prevpage
          })
          return false
        }
				result.data.code === 0 ? resolve(result.data) : reject(result.data)
      },
      fail: () => {
				reject('请求失败')
			}
		})
	})
}

/**
 * 邀请接口 被邀请的用户打开分享页面时请求
 *
 * @param {*} lottery_id  抽奖id
 * @param {*} user_id  用户id
 */
function invite(lottery_id, from_user_id){
  const { token } = wx.getStorageSync('USER_INFO')
  return new Promise((resolve, reject) => {
		wx.request({
      url: HOST + '/lotteries/invite/',
      data: {
        token,
        lottery_id,
        from_user_id
      },
      header: HEADER,
      method: 'POST',
      dataType: 'json',
      success: result => {
        if (result.data.code == -401) {
          let pages = getCurrentPages()
          let pageIndex = pages.length - 1
          let prevpage = '?prevpage=' + (pages[pageIndex].route ? '/' + pages[pageIndex].route : '/pages/index/index')
          if (pages[pageIndex].route && pages[pageIndex].options) {
            let querys = ''
            Object.keys(pages[pageIndex].options).map((key, value) => {
              querys += key + '~' + pages[pageIndex].options[key] + ','
            })
            prevpage = prevpage + '&querys=' + querys.slice(0, querys.length - 1)
          }
          wx.redirectTo({
            url: '/pages/login/login' + prevpage
          })
          return false
        }
				result.data.code === 0 ? resolve(result.data) : reject(result.data)
      },
      fail: () => {
				reject('请求失败')
			}
		})
	})
}

/**
 * 获取抽奖所有用户
 *
 * @param {*} id  抽奖id
 * @returns
 */
function getAllLotteryUser(id) {
  const { token } = wx.getStorageSync('USER_INFO')
  return new Promise((resolve, reject) => {
		wx.request({
      url: HOST + '/lotteries/avatars/' + id,
      data: {
        token
      },
      header: HEADER,
      method: 'GET',
      dataType: 'json',
      success: result => {
        if (result.data.code == -401) {
          let pages = getCurrentPages()
          let pageIndex = pages.length - 1
          let prevpage = '?prevpage=' + (pages[pageIndex].route ? '/' + pages[pageIndex].route : '/pages/index/index')
          if (pages[pageIndex].route && pages[pageIndex].options) {
            let querys = ''
            Object.keys(pages[pageIndex].options).map((key, value) => {
              querys += key + '~' + pages[pageIndex].options[key] + ','
            })
            prevpage = prevpage + '&querys=' + querys.slice(0, querys.length - 1)
          }
          wx.redirectTo({
            url: '/pages/login/login' + prevpage
          })
          return false
        }
				result.data.code === 0 ? resolve(result.data) : reject(result.data)
      },
      fail: () => {
				reject('请求失败')
			}
		})
	})
}

/**
 * 数据接口
 *
 * @param {*} url 接口地址
 * @param {*} data 数据
 */
function apiRequest (url, data) {
  const { token } = wx.getStorageSync('USER_INFO')
  data = data ? data : {}
  if (url != '/auth/signin') data.token = token
  return new Promise((resolve, reject) => {
    wx.request({
      url: HOST + url,
      data: {
        ...data
      },
      header: HEADER,
      method: 'GET',
      dataType: 'json',
      success: (res) => {
        if (res.data.code == -401 && url !== '/auth/signin') {
          let pages = getCurrentPages()
          let pageIndex = pages.length - 1
          let prevpage = '?prevpage=' + (pages[pageIndex].route ? '/' + pages[pageIndex].route : '/pages/index/index')
          if (pages[pageIndex].route && pages[pageIndex].options) {
            let querys = ''
            Object.keys(pages[pageIndex].options).map((key, value) => {
              querys += key + '~' + pages[pageIndex].options[key] + ','
            })
            prevpage = prevpage + '&querys=' + querys.slice(0, querys.length - 1)
          }
          wx.redirectTo({
            url: '/pages/login/login' + prevpage
          })
          return false
        }
        res.data.code === 0 ? resolve(res.data) : reject(res.data)
      },
      fail: () => {
        reject('请求失败')
      }
    })
  })
}

/**
 * 获取小程序码接口
 *
 * @param {*} url 接口地址
 * @param {*} data 数据
 */
function getQrcode(url, data) {
  const { token } = wx.getStorageSync('USER_INFO')
  data = data ? data : {}
  return new Promise((resolve, reject) => {
    wx.request({
      url: HOST + url,
      data: {
        token,
        ...data
      },
      header: HEADER,
      method: 'POST',
      dataType: 'json',
      success: (res) => {
        res.data.code === 0 ? resolve(res.data) : reject(res.data)
      },
      fail: () => {
        reject('请求失败')
      }
    })
  })
}

module.exports = {
  getLotteries,
  getLotteryDetail,
  drawLottery,
  invite,
  getAllLotteryUser,
  apiRequest,
  getQrcode
}