const gulp = require('gulp');
const gutil = require('gulp-util');
const col = gutil.colors;
const net = require('net');
const through = require('through2');

const color = (level) => {
    return {
        '[DEBUG]': col.white,
        '[INFO]': col.cyan,
        '[ERROR]': col.red,
        '[WARNING]': col.yellow,
    }[level] || col.reset;
};

const log = (line) => {
    const result = line.split(' ');
    console.log(col.gray(result[0]) + ' ' + color(result[1])(result.slice(1).join(' ')));
};

module.exports = () => {
    return through.obj(function (file, enc, callback) {
        const server = net.createServer((socket) => {
            socket.on("data", (data) => {
                const lines = data.toString().split('\n');
                for (let line of lines) if (line.length > 2) {
                    log(line.substr(2));
                }
            });
            socket.on("close", () => {
                socket.destroy();
                server.close();
                this.emit('end');
                callback();
            });
        });
        server.listen(5000);
    })
};

module.exports.log = log;