import axios, { AxiosInstance, AxiosRequestConfig } from 'axios'

class HttpRequest {
    getInsideConfig() {
        const config = {
            baseURL: '/api', // 所有的请求地址前缀部分(没有后端请求不用写)
            timeout: 80000, // 请求超时时间(毫秒)
          
            // headers: {
            // 设置后端需要的传参类型
            // 'Content-Type': 'application/json',
            // 'token': x-auth-token',//一开始就要token
            // 'X-Requested-With': 'XMLHttpRequest',
            // },
        }
        return config
    }

    // 请求拦截
    interceptors(instance: AxiosInstance, url: string | number | undefined) {
        instance.interceptors.request.use(
            config => {
                const token: string | undefined = '' //getToken() //此处换成自己获取回来的token，通常存在在cookie或者store里面
                // 请求头携带token
                if (token) {
                    config.headers['Authorization'] = token
                    config.headers.Authorization = +token
                } else {
                    config.headers['Authorization'] = 'Basic bmpjbnRlc3Q6bmpjbnBxcw=='
                }

                return config
            },
            (error: any) => {
                return Promise.reject(error)
            }
        )
        //响应拦截
        instance.interceptors.response.use(
            res => {
                //返回数据
                const { data } = res
                console.log('返回数据处理', data)
                return data
            },
            (error: any) => {
                console.log('error==>', error)
                return Promise.reject(error)
            }
        )
    }

    request(options: AxiosRequestConfig) {
        const instance = axios.create()
        options = Object.assign(this.getInsideConfig(), options)
        this.interceptors(instance, options.url)
        return instance(options)
    }
}

const request = new HttpRequest()
export default request