const bosSDK = require('bce-sdk-js');
const fs = require('fs');
const walk = require('fs-walk');
const path = require('path');

const tokenFile = process.argv[2] || '~/bos.credentials';

if (!fs.existsSync(tokenFile)) {
    console.error(tokenFile + ' does not exists!');
    process.exit(1);
}

const config = JSON.parse(fs.readFileSync(tokenFile, 'utf-8'));
const client = new bosSDK.BosClient(config);
const bucketName = config.bucket || 'bce-cdn';
const prefix = 'fex/';

async function main() {
    const folder = 'gh-pages';
    const productName = 'amis-gh-pages';

    if (!fs.existsSync(folder)) {
        throw new Error('文件夹不存在');
    }

    if (!productName) {
        throw new Error('请指定产品名称');
    }

    const promises = [];
    walk.walkSync(folder, (basedir, filename, stat) => {
        if (stat.isDirectory() || /\.html$/.test(filename)) {
            return;
        }

        const relativePath = path.relative(folder, basedir);
        const objectName = path.join(prefix, productName, relativePath, filename);
        promises.push(() => client
            .putObjectFromFile(bucketName, objectName, path.join(basedir, filename))
            .then(
                () => console.log(` ==> ${objectName}`),
                res => console.error(res)
            )
        );
    });

    if (!promises.length) {
        console.log('Nothing need to upload');
    }

    return promises
        .reduce((preview, current) => {
            return preview.then(current);
        }, Promise.resolve());
}

main().then(() => console.log('Done!')).catch(e => console.error(e.message, e.stack));