const downLoadImage = (url) => {
	uni.getSetting({
		success: (res) => {
			// console.log(res.authSetting['scope.writePhotosAlbum'])
			let flag = res.authSetting['scope.writePhotosAlbum']
			if (flag===false) {
				// 未授权之前没该权限 返回的时undefined  拒绝授权是false  同意是true
				uni.showModal({
					title: '提示',
					content: '请先授权保存相册',
					success: (res) => {
						if (res.confirm) {
							uni.openSetting()
						} else {
							uni.showToast({
								icon: 'none',
								mask: true,
								title: '用户取消授权'
							})
						}
					}
				})
			} else {
				uni.showLoading({
					title:'保存中...',
					mask:true
				})
				uni.downloadFile({
					url,
					success: (res) => {
						if (res.statusCode === 200) {
							uni.saveImageToPhotosAlbum({
								filePath: res.tempFilePath,
								success: (res) => {
									console.log(res)
									uni.showToast({
										title: '保存成功',
										mask: true
									})
								},
								fail: (err) => {
									console.log(err)
									uni.showToast({
										title: '保存失败',
										mask: true,
										icon: 'error'
									})
								}
							});
						}
					},
					fail: () => {
						uni.showToast({
							title: '保存失败',
							mask: true,
							icon: 'error'
						})
					}
				});
			}
		}
	})
}

//如需动态获取权限，修改res.authSetting['scope.userLocation']与scope: 'scope.userLocation'的值。

/****
 userInfo:用户信息
 userLocation:地理位置
 address:通讯地址
 werun:运动步数
 record:录音
 writePhotosAlbum:保存到相册
 camera:摄像头
****/

const getAuth = (auth) => {
  return new Promise((resolve, reject) => {
          wx.getSetting({
            success(res) {
              if (!res.authSetting[`scope.${auth}`]) {
                wx.authorize({
                  scope: `scope.${auth}`,
                  success() {
                    resolve()
                  },
                  async fail(e) {
                  wx.hideLoading()
                  await showText(auth,resolve, reject)
                  }
                })
              } else {
                resolve()
              }
            }
          })
  })
}

const showText = async (auth,resolve, reject)=>{
  await uni.showModal({
    title: '提示',
    content: '请前往设置打开权限',
    success(res) {
      if (res.confirm) {
        uni.openSetting({
          async success(res) {
            console.log(res,res.authSetting[`scope.${auth}`])
            if(!res.authSetting[`scope.${auth}`]){
             return  await showText(auth,resolve, reject)
            }else{
              return resolve()
            }
          },
          fail(err) {
            console.log(err)
            return reject()
          }
        })
      } else if (res.cancel) {
        uni.showModal({
          title: '提示',
          content: '请授权小程序权限，\n「右上角」-「设置」中开启',
          showCancel: false,
          success(res) {
            if (res.confirm) {
              return reject()
            }
          }
        })
      }
    }
  })
}

module.exports = {
	downLoadImage,
	getAuth
}