var fs = require('fs');
var path = require('path');
var archiver = require('archiver');

var pkg = require('./package.json');
var outputFileName = `wedatasphere-scriptis-${pkg.version}-dist.zip`;

var outputFilePath = path.join(__dirname, outputFileName);

// create a file to stream archive data to.
var output = fs.createWriteStream(outputFilePath);
var archive = archiver('zip', {
 zlib: { level: 9 } // Sets the compression level.
});

// listen for all archive data to be written
// 'close' event is fired only when a file descriptor is involved
output.on('close', function() {
 console.log(`${outputFileName}: ${archive.pointer()} total bytes`);
 console.log('archiver has been finalized and the output file descriptor has closed.');
});

output.on('end', function() {
 console.log('Data has been drained');
});

// good practice to catch warnings (ie stat failures and other non-blocking errors)
archive.on('warning', function(err) {
 if (err.code === 'ENOENT') {
 // log warning
 } else {
 // throw error
 throw err;
 }
});

// good practice to catch this error explicitly
archive.on('error', function(err) {
 throw err;
});

// pipe archive data to the file
archive.pipe(output);

archive.directory('dist/');

var configSH = path.join(__dirname, 'config.sh');
archive.append(fs.createReadStream(configSH), { name: 'config.sh' });
var installSH = path.join(__dirname, 'install.sh');
archive.append(fs.createReadStream(installSH), { name: 'install.sh' });

// finalize the archive (ie we are done appending files but streams have to finish yet)
// 'close', 'end' or 'finish' may be fired right after calling this method so register to them beforehand
archive.finalize();