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


class Neko {

    constructor() {
        this.tag = 'Neko';
    }

    run() {
        let stream = null;
        const bufferContents = (file, enc, callback) => {
            gutil.log(this.tag, col.cyan("run"), col.magenta(file.path));

            exec('.', ['neko', file.path].join(' '))
                .then(() => {
                    stream.emit('end');
                    callback();
                })
                .catch((error) => {
                    stream.emit('error', new gutil.PluginError({plugin: this.tag, message: error}));
                    callback();
                });

            stream.push(file);
        };

        return stream = through.obj(bufferContents);
    }
}

module.exports = Neko;