// 清理所有缓存并前往登录授权页
const goLogin = () => {
    uni.clearStorageSync();
    uni.navigateTo({
        url: '/pages/login/login'
    })
}
let flag = true;
// 刷新token并跳转到当前页面
const refreshTokenPage = () => {
	uni.login({
		provider: 'weixin',
		success: (result)=> {
			uni.request({
				url: `${getApp().globalData.hostapi}/api/user/login`,
				method: 'post',
				data: {code:result.code},
				success: res => {
					if(res.data.data.token!=''){
						flag = true;
						uni.setStorageSync('token',res.data.data.token); // 缓存token
						uni.setStorageSync('openid',res.data.data.openid)//缓存openid
						uni.setStorageSync('expire',res.data.data.expire); // 缓存失效时间（时间戳格式）
						uni.reLaunch({ // 重新进入当前页面
							url:uni.getStorageSync('page-path-options')
						})
					}
				}
			})
		},
	});
}
// 请求错误处理
const checkError = (e) => {
    // console.error("----接口错误----", e)
    if (e.data) {
        if (e.data.code) {
			if(flag) {
				flag = false;
				switch (Number(e.data.code)) {
					case 500:
					case 4000:// 参数错误
					case 4003:// 参数错误
					case 4004:// 记录不存在
					case 5000:// xxx错误
					case 5001:// xxx错误
					case 5050:// 服务器错误，请稍后重试
					case 5051:// 未知错误
					console.log(e,7777)
					uni.showToast({
						title:e.data.msg,
						icon:'none'
					})
					if(Number(e.data.code)==5050){
						// 跳转到登录页
						setTimeout(()=>{
							goLogin();
						},1000)
					}
						break;
					case 6001:
					// token验证失败或已失效
					console.log('6001token验证失败或已失效');
					// 调用刷新token事件并跳转到当前页面
					refreshTokenPage();
						break;
				}
			}
        }
    }
}

// 封装request的(GET、POST)请求
const request = (method, url, options) => {
    let methods = '';
    let headers = {};
    switch (method) {
        case 'get':
            methods = 'GET'
            headers = {
                'Content-Type': 'application/json; charset=UTF-8',
				'Authorization': 'Bearer '+uni.getStorageSync('token') || ''
            }
            break;
        case 'post':
            methods = 'POST'
            headers = {
                'Content-Type': 'application/json; charset=UTF-8',
				'Authorization': 'Bearer '+uni.getStorageSync('token') || ''
            }
            break;
        case 'postForm':
            methods = 'POST'
            headers = {
                'Content-Type': 'application/x-www-form-urlencoded; charset=UTF-8',
				'Authorization': 'Bearer '+uni.getStorageSync('token') || ''
            }
            break;
    }
	return new Promise((resolve, reject) => {
		console.log(`${url}的参数===>`,options);
		uni.request({
			url: `${getApp().globalData.hostapi}${url}`,
			method: methods,
			data: options,
			header: headers,
			success: res => {
				console.log(`${url}返的结果===>`,res);
				if (res.statusCode == 200) {
					if (res.data.code == 0) {
						// 接口调用成功
						resolve(res.data);
					} else {
						// 接口返回错误信息
						checkError(res);
					}
				} else {
					// 接口返回错误信息
					checkError(res);
				}
			},
			fail: e => {
				// 接口请求错误
				checkError(e, reject);
			},
			complete: rest => {
				// 是否成功，都会执行
				console.log(rest,100);
			}
		})
	})
}
/**
 * 上传文件 封装请求
 * @param {接口地址} url 
 * @param {传递参数} options 
 * @param {文件类型：image\file} type 
 */
const uploadFile = (url, options, type) => {
    let tempData = options || {}
    return new Promise((resolve, reject) => {
        uni.uploadFile({
            url: `${getApp().globalData.hostapi}${url}`,
            filePath: tempData.path,
            name: type,
			fileType:type,//支付宝小程序必传
            formData: tempData,
			header: {
				'Content-Type': 'multipart/form-data;charset=UTF-8',
				'Authorization': 'Bearer '+uni.getStorageSync('token') || ''
			},
            success: res => {
                if (res.statusCode == 200) {
                    let temp = JSON.parse(res.data)
                    if (temp.code == 0) {
                        resolve(temp)
                    }
                } else {
					// 接口返回错误信息
					checkError(res);
				}
            }
        });
    })
}


export default {
    get: (url, options) => {
        return request('get', url, options)
    },
    // JOSN格式
    post: (url, options) => {
        return request('post', url, options)
    },
    // form-data格式
    postForm: (url, options) => {
        return request('postForm', url, options)
    },
    // 上传
    upload: (url, options, type='image') => {
        return uploadFile(url, options, type)
    }
}