"use strict";

const spawn = require('child_process').spawn;
const settings = require("../../settings");

module.exports = (params, processor) => ({
	process: () => {
		let result = "";
		let error = "";
		const builder = spawn(settings.builderExecutable, [params.command]);

		processor.onInfo("DotNetBuilderWrapper processing (at " + (new Date().toISOString()) + "): " + JSON.stringify(params, null, 4));

		builder.stdout.on('data', (data) => result += data);
		builder.stderr.on('data', (data) => error += data);
		builder.on('exit', (code) => {
			if (code !== 0) {
				error = "Return code is " + code + "\r\n" + error;
				processor.onError(error);
				return processor.done();
			}

			const report = JSON.parse(result);
			const messages = report.Messages;
			messages.forEach((message) => {
				if (!message) {
					return processor.onError("Message is null");
				}

				switch(message.Type) {
					case "info":
						return processor.onInfo(message.Body);
					case "warn":
						return processor.onWarn(message.Body);
					default:
						return processor.onError(message.Body);
				}
			});

			processor.onInfo("Done DotNetBuilderWrapper processing (at " + (new Date().toISOString()) + ")");
			return processor.done();
		});

		builder.stdin.write(JSON.stringify(params));
		builder.stdin.end();
	}
});