import axios from 'axios';
import store from '@/store';
import ENV_CONFIG from '@/config/env.js'
import {
	getToken
} from '@/utils/auth';

const BASEHost = process.env.NODE_ENV === 'development' ? 'api' : window.location.origin;

const service = axios.create({
	baseURL: BASEHost,
	timeout: 30000
});

// 请求拦截器
service.interceptors.request.use(
	(config) => {
		config.headers['Content-Type'] = 'application/json';
		return config;
	},
	(error) => {
		return Promise.reject(error);
	}
);

// 响应拦截器
service.interceptors.response.use(
	(response) => {
		const res = response.data;
		const {
			code,
			status,
			message,
			error
		} = res;

		if (code === 404) {
			uni.showToast({
				title: '请求的资源不存在',
				icon: 'error',
				duration: 3 * 1000
			});
			return Promise.reject(new Error(message || 'Error'));
		}

		// 返回数据失败
		if (status === 0) {
			uni.showToast({
				title: error,
				icon: 'error',
				duration: 3 * 1000
			});
			return Promise.reject(new Error(`${response.config?.params?.MethodName} ${error}` || 'Error'));
		}

		// 无效的操作用户
		if (status === -1) {
			uni.showToast({
				title: error,
				icon: 'error',
				duration: 3 * 1000
			});
			store.dispatch('user/signOut');
			window.location.href = '/';
		}
		return res;
	},
	(error) => {
		if (error.code === 'ERR_CANCELED') {
			return uni.showToast('取消上传成功');
		}

		uni.showToast({
			title: error.message,
			icon: 'error',
			duration: 3 * 1000
		});
		return Promise.reject(error);
	}
);

/**
 * 得到必需的请求参数
 * @returns {object} 返回必需的请求参数
 * */
function getRequestParams() {
	const token = getToken();
	let access_token = token?.access_token ?? '';
	if (access_token == "") {
		uni.getStorage({
			key: 'AccessToken',
			success: function(res) {
				access_token = res.data;
			}
		});
	}
	return {
		AccessToken: access_token,
		UserCode: token?.user_code ?? '',
		UserType: token?.user_type ?? '',
		SessionID: token?.session_id ?? ''
	};
}

/**
 * @description http 请求封装
 */
export const http = {
	/**
	 * @param {String} url 请求地址
	 * @param {object} config 请求配置
	 */
	get: (url, config) => service.get(url, config),
	/**
	 * @param {string} url 请求地址
	 * @param {object} data 请求数据
	 * @param {object} config 请求配置
	 */
	post: (url, data = {}, config = {}) => {
		config.params = {
			...config.params,
			...getRequestParams()
		};
		return service.post(url, data, config);
	},
	postForm: (url, data = {}, config = {}) => {
		config.params = {
			...config.params,
			...getRequestParams(),
		};
		return service.postForm(url, data, config);
	},
	put: (url, data, config) => service.put(url, data, config),
	delete: (url, data, config) => service.delete(url, data, config)
};