var program = require('commander');
var AlfrescoApi = require('alfresco-js-api-node');
var http = require('http');

var fs = require('fs');
var path = require('path');
var archiver = require('archiver');
var unzip = require('unzip-stream');

replaceHrefInIndex = (folder) => {
    fs.readFile(`demo-shell/${folder}/index.html`, 'utf8', function (err, data) {
        if (err) {
            return console.log(err);
        }

        var result = data.replace(`base href="/"`, `base href=\"/${folder}/\"`);

        fs.writeFile(`demo-shell/${folder}/index.html`, result, 'utf8', function (err) {
            if (err) return console.log(err);
        });
    });
}

unzipRetry = (tentativeNumber, outputFolder, url) => {
    var file = fs.createWriteStream('demo.zip');
    http.get(`http://${url}`, (response) => {
        response.pipe(file);
        file.on('finish', async () => {

            console.log('Unzip Demo ' + path.join(__dirname, '../demo.zip'));
            setTimeout(() => {
                fs.createReadStream(path.join(__dirname, '../demo.zip'))
                    .pipe(unzip.Extract({path: path.join(__dirname, '../demo-shell')}))
                    .on('error', () => {

                        if (tentativeNumber <= 4) {
                            tentativeNumber++;
                            unzipRetry(tentativeNumber, outputFolder);
                        }
                    })
                    .on('finish', () => {

                        setTimeout(() => {
                            let oldFolder = path.join(__dirname, `../demo-shell/demo.zip`)
                            let newFolder = path.join(__dirname, `../demo-shell/${outputFolder}`)

                            fs.rename(oldFolder, newFolder, (err) => {
                                console.log('renamed complete');
                            });

                            if (program.baseHref) {
                                replaceHrefInIndex(outputFolder);
                            }
                        }, 10000);

                    })
            }, 10000);

        });
    });
}

async function main() {

    program
        .version('0.1.0')
        .option('-p, --password [type]', 'password')
        .option('-u, --username  [type]', 'username')
        .option('--base-href  [type]', '')
        .option('-f, --folder [type]', 'Name of the folder')
        .option('-host, --host [type]', 'URL of the CS')
        .parse(process.argv);

    let alfrescoJsApi = new AlfrescoApi({
        provider: 'ECM',
        hostEcm: program.host
    });

    await alfrescoJsApi.login(program.username, program.password);

    let zipDemoNode;

    try {
        zipDemoNode = await alfrescoJsApi.nodes.getNode('-my-', {
            'relativePath': `Builds/${program.folder}/demo.zip`
        });
    } catch (error) {
        console.log('error:  ' + error);
    }

    const url = await alfrescoJsApi.content.getContentUrl(zipDemoNode.entry.id, true);

    console.log('Download zip');

    let outputFolder = program.baseHref ? program.baseHref : 'dist';

    unzipRetry(0, outputFolder, url);
}

main();