import axios from 'axios';
import { getToken, removeToken } from 'service/auth';
import { Message } from 'iview';

let domain = window.CONFIG.url;

// 创建axios实例
export const service = axios.create({
    timeout: 1800000,
    headers: {
        post: {
            'Content-Type': 'application/x-www-form-urlencoded'
        }
    },
    baseURL: domain
});

export const serviceForm = axios.create({
    timeout: 1800000,
    headers: {
        post: {
            'Content-Type': 'multipart/form-data'
        }
    },
    baseURL: domain
});

export const fetch = axios.create({
    timeout: 1800000,
    headers: {
        post: {
            'Content-Type': 'application/json; charset=utf-8'
        }
    },
    baseURL: window.CONFIG.ascsUrl
})

// http request 拦截器
let request = function (config) {
    const token = getToken();
    // 判断是否存在token，如果存在的话，则每个http header都加上token
    if (token) {
        config.headers.Authorization = `Bearer ${token}`;
    }

    // 配置取消请求
    if (window._source) {
        config.cancelToken = window._source.token;
    }
    return config;
};

//fetch 的 http request 拦截器
let fetchRequest = function (config) {
    // 配置取消请求
    if (window._source) {
        config.cancelToken = window._source.token;
    }
    return config;
};

let request_err = function (err) {
    Message.error('请求超时');
    return Promise.reject(err);
};

// http response 拦截器
let response = function (res) {
    const data = res.data;
    const message = data.message || '未知错误';

    if (res.status) {
        switch (res.status) {
            case 200:
                if (data.code !== 0) {
                    Message.error(message);
                }
                break;
        }
    }
    return data;
};

let response_err = function (err) {
    if (err.response) {
        const data = err.response.data;
        const message = data.message ? data.message : '未知错误';
        switch (err.response.status) {
            case 401:
                if ([40001, 40002, 40003, 40008].includes(data.code)) {
                    // 40001未登录、40002未激活、40003已禁用、40008token未传递
                    localStorage.clear();
                    removeToken();
                    vm.$router.replace({ path: '/login', query: { redirect: encodeURIComponent(vm.$route.fullPath) } });
                    Message.error(message);
                }
                break;
            case 500:
                Message.error('服务器忙，请稍后再试');
                break;
            default:
                Message.error(message);
                break;
        }
    }
    return Promise.resolve(err);
};

service.interceptors.request.use(request, request_err);
service.interceptors.response.use(response, response_err);

serviceForm.interceptors.request.use(request, request_err);
serviceForm.interceptors.response.use(response, response_err);

fetch.interceptors.request.use(fetchRequest, request_err);
fetch.interceptors.response.use(response, response_err);

axios.interceptors.response.use(response, response_err);

window.axios = axios;