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


class IOActivator {
	
	constructor(iopath) {
		var startJSON = path.join(iopath,"start.json");
		this.procName = JSON.parse(fs.readFileSync(startJSON));
	}
	start(context) {
		this.proc = child.exec(this.procName);	
		// Write to
		this.proc.stdout.on('data',(data) => {
			//this.iChunk.push(data);
			this.process(data);
		});

	}
	process(data) {
		// Assume json right away "try"
		var msg = JSON.parse(data);
		if(msg == 'emit') {
			this.context.emit(msg.content).done((e) => {
				log.info("Processed: " + e.count);
			});	
		}
	}
	stop(context) {
		this.proc.kill('SIGINT');
	}

}