/**
 * 检查HTTP请求状态
 */
function checkStatus(response) {
    if (response.status >= 200 && response.status < 300) {
        return response;
    }
    const error = new Error(response.statusText);
    error.response = response;
    throw error;
}

/**
 * 将Response内容转为JSON格式
 */
function parseJSON(response) {
    return response.json();
}

/**
 * 统一拦截接口返回数据的状态，提示错误消息
 */
function checkAPIDatas(data) {
    console.log('data',data)
    if (!data.success) {
        const code = data;
    }
    return data
}

function checkAPIError(err) {
    const code = err.response.code;
    const status = err.response.status;
    // const { url, type, oStatus, statusText } = err.response;
    // Message.error(`地址:${url} 类型:${type} 状态:${oStatus} 信息:${statusText}`, 10);
    return {
        err
    };

}


/**
 * Requests a URL, returning a promise.
 * @param  {string} url       The URL we want to request
 * @param  {object} [options] The options we want to pass to "fetch"
 * @return {object}           An object containing either "data" or "err"
 */

const request = async (url, options,callBack) => {
    if (options) {
        const method = options.method.toUpperCase();
        if (method === 'POST' || method === 'PATCH' || method === 'DELETE' || method === 'PUT') {
            options.headers = {
                'Content-Type': 'application/json',
                'token': await storage.load({
                    key: 'token'
                })
            };
        } else {
            options.headers = {
                'token': await storage.load({
                    key: 'token'
                })
            };
        }
    }
    return fetch(url, options)
        .then(checkStatus)
        .then(parseJSON)
        .then(checkAPIDatas)
        .catch(checkAPIError);
}
export default request