import axios from 'axios';
import {Base64} from 'js-base64';
import website from '~src/config';
import router from '~src/router/index';
import {getToken} from '~src/api/util/auth';
import {toSerialize} from "vue-utils-plus"

//默认超时时间
axios.defaults.timeout = 20000;
//返回其他状态码
axios.defaults.validateStatus = function (status) {
    return status >= 200 && status <= 500;
};
//跨域请求，允许保存cookie
axios.defaults.withCredentials = true;

//http request拦截
axios.interceptors.request.use(config => {
    const meta = (config['meta'] || {});
    const isToken = meta['isToken'] === false;
    config.headers['Authorization'] = `Basic ${Base64.encode(`${website.clientId}:${website.clientSecret}`)}`;
    //让每个请求携带token
    const token = getToken()
    if (token && !isToken) {
        config.headers[website.tokenHeader] = 'bearer ' + token
    }
    //headers中配置text请求
    if (config['text'] === true) {
        config.headers["Content-Type"] = "text/plain";
    }
    //headers中配置serialize为true开启序列化
    if (config.method === 'post' && meta['isSerialize'] === true) {
        config.data = toSerialize(config.data);
    }
    return config
}, error => {
    return Promise.reject(error)
});

//http response 拦截
axios.interceptors.response.use(res => {
    //获取状态码
    const status = res.data?.code || res.status;
    const message = res.data?.msg || res.data['error_description'] || '未知错误';
    //如果是401则跳转到登录页面
    if (status === 401) {
        window.$message?.error(message || '身份失效！');
        router.push({path: '/login'})
    }
    // 如果请求为非200, 自行catch逻辑处理
    if (status !== 200) {
        return Promise.reject(res);
    }
    return res;
}, error => {
    window.$message?.error('请求异常！');
    return Promise.reject(new Error(error));
});

export default axios;