var fs = require('fs');
var path = require('path');
var Builder = require('../libs/BuilderLibrary');
var Router = require('koa-router');

var router = module.exports = new Router();

router.post('/builder/compile', function *() {
	console.log(this.request.body);
	var sources = this.request.body.sources;

	var builder = new Builder('./build', sources);

	yield function(done) {
		builder.init(done);
	};

	yield function(done) {
		builder.scanLibraries(done);
	};

	yield function(done) {
		builder.generateSources(done);
	};
	
	var liblist = yield function(done) {
		builder.scanSources(done);
	};

	var prelinkOps = yield function(done) {
		builder.parseOps(liblist, done);
	};

	var linkOps = yield function(done) {
		builder.parseDeps(liblist, prelinkOps, done);
	};

	var CompileOps = yield function(done) {
		builder.generateCompileOps(linkOps, done);
	};

	try {
		var hexFile = yield function(done) {
			builder.compile(CompileOps, done);
		};
	} catch(e) {
		this.status = 500;
		return;
	}

	this.type = 'application/octet-stream';
	this.body = fs.createReadStream(hexFile);
});