import axios, { AxiosResponse } from 'axios';
import { message } from 'antd';
import config, { getHeaders } from './config';
import LocalStorage from '@/LocalStorage';
import router from '@/router';

// 创建axios实例
const axiosInstance = axios.create({
    baseURL: config.baseURL,
    timeout: 30000,// 请求超时30秒
});

// 请求拦截器
axiosInstance.interceptors.request.use(
    (config: any) => {
        config.headers = getHeaders();
        if (!navigator.onLine) {
            message.error('网络故障');
        }
        return config;
    }
);

// 响应拦截器
axiosInstance.interceptors.response.use(
    (response: AxiosResponse) => {// 成功信息
        const { config, data } = response;
        if (config.responseType === 'blob') {
            return Promise.resolve(data);
        } else {
            if (data.code === 200) {// 成功
                return Promise.resolve(data);
            } else {// 失败
                return Promise.reject(data);
            }
        }
    },
    (error) => {// 错误信息
        // HTTP状态码
        const statusCode = error.response.status;
        if (String(error).includes('timeout')) {
            message.error('请求超时');
        } else {
            if (statusCode === 401) {
                LocalStorage.clear();
                router.navigate({ pathname: '/login' }, { replace: true });
                message.error('登录过期');
            } else {
                message.error('服务异常');
            }
        }
        return Promise.reject();
    }
);

export default axiosInstance;