// var axios = require("axios");
// var jszip = require("jszip");
// var FileSaver = require("file-saver");

const zipOss = {
    getFile: function(url) {
        return new Promise((resolve, reject) => {
            axios({
                headers:{
                    'Cache-control': 'no-cache',
                },
                method: "get",
                url,
                responseType: "arraybuffer"
            })
                .then(data => {
                    resolve(data.data);
                })
                .catch(error => {
                    reject(error);
                });
        });
    },
    downloadFromAliOss: function (fileArr, zipName, btn) {
        const zip = new JSZip();
        const promises = [];
        fileArr.forEach(item => {
            let promise = zipOss.getFile(item.url).then(data => {
                // 获取文件类型
                const typeArr = item.url.split(".");
                const type = typeArr[typeArr.length - 1];
                // 默认文件名·
                const nameArr = item.url.split("/");
                const name = item.name ? (item.name + '.' + type) : nameArr[nameArr.length - 1];
                const foldPath = item.foldPath || "";
                zip.file(foldPath + name, data, {
                    binary: true
                });
            });
            promises.push(promise);
        });

        Promise.all(promises).then(() => {
            zip.generateAsync({ type: "blob" }).then(content => {
                saveAs(content, zipName || `文件.zip`);
                toastr.clear();
                toastr.success('下载成功');
                btn.removeAttr('disabled');
            });
        });
    }
};


// module.exports = zipOss;