import axios from 'axios';
import qs from 'qs';
import router from '@/router';
import store from '@/store';
import {
    Message,
    Loading
} from 'element-ui';
import {delCookie, deleteSessionStorage, setCookie, getCookie} from '@/utils/base.js';

//axios.defaults.timeout = 5000;                        //响应时间
axios.defaults.headers['Content-Type'] = 'application/x-www-form-urlencoded;charset=UTF-8'; //配置请求头
axios.defaults.baseURL = '/index.php'; //配置接口地址
axios.defaults.withCredentials = true;
axios.defaults.responseType = 'json';

//POST传参序列化(添加请求拦截器)
axios.interceptors.request.use((config) =>
{
    // console.log(config);
    //在发送请求之前做某件事
    if (config.method === 'post' && config.url != '/region/file.upload/image') {
        config.data = qs.stringify(config.data);
    }
    return config;
}, (error) =>
{
    console.log('错误的传参')
    return Promise.reject(error);
});

//返回状态判断(添加响应拦截器)
axios.interceptors.response.use((res) =>
{
    //未成功处理
    if (res.data.code !== 1) {
        if (res.data.code === 0) {
            Message({
                showClose: true,
                message: res.data.msg,
                type: "error"
            });
            // 如果是登录失败，记录失败次数 by lyzflash
            if (res.config.url == '/region/passport/login') {
                let region_login_err_num = parseInt(getCookie('shop_login_err_num')) || 0;
                setCookie('shop_login_err_num', region_login_err_num + 1);
            }
            return Promise.reject(res.data);
        } else {
            delCookie('isLogin');
            delCookie('baseInfo');
            deleteSessionStorage('rolelist');
            deleteSessionStorage('authlist');
            /*删除stores数据*/
            store.commit('user/setState',{key:'roles',val:null});
            router.push({
                path: '/login',
                query: {}
            });
           return Promise.reject(res.data);
        }
    }
    return res.data;
}, (error) =>
{
    Message({
        showClose: true,
        message: '接口请求异常，请稍后再试~',
        type: "error"
    });
    return Promise.reject(error);
});

/**
 * 返回一个Promise(发送post请求)
 * errorback是否错误回调
 */
export function _post(url, params, errorback)
{
    return new Promise((resolve, reject) =>
    {
        axios.post(url, params)
            .then(response =>
            {
                resolve(response);
            })
            .catch((error) =>
            {
                reject(error);
            })
    })
}

/**
 * 返回一个Promise(发送get请求)
 * errorback是否错误回调
 */
export function _get(url, param, errorback)
{
    return new Promise((resolve, reject) =>
    {
        axios.get(url, {
            params: param
        })
            .then(response =>
            {
                resolve(response)
            })
            .catch((error) =>
            {
                reject(error);
            })
    })
}

/**
 * 返回一个Promise(发送上传请求)
 * errorback是否错误回调
 */
export function _upload(url, formData, errorback)
{
    return new Promise((resolve, reject) =>
    {
        /*let config = {
         headers: {
         'Content-Type': 'multipart/form-data'
         }
         */
        axios.post(url, formData, {"Content-Type": "multipart/form-data"})
            .then(response =>
            {
                resolve(response);
            })
            .catch((error) =>
            {
                reject(error);
            })
    })
}

export default {
    _post,
    _get,
    _upload,
}