'use strict';

var drool = require('drool');
var exceptions = require('./memory-exceptions.json');
var argv = require('optimist').default('laxMode', false).default('browser', 'chrome').argv;
var driverConfig = {
	chromeOptions: 'no-sandbox'
};

if (typeof process.env.CHROME_PATH !== 'undefined') {
	driverConfig.chromeBinaryPath = process.env.CHROME_PATH;
}

var driver = drool.start(driverConfig);

function idApp() {
	return driver.findElement(drool.webdriver.By.css('#todoapp'))
	.then(function () { return true; })
	.thenCatch(function () { return false; });
}

function newTodoSelector() {
	return idApp().then(function (isId) {
		if (isId) {
			return '#new-todo';
		}

		return '.new-todo';
	});
}

function listSelector() {
	return idApp().then(function (isId) {
		if (isId) {
			return '#todo-list li';
		}

		return '.todo-list li';
	});
}

/**
 * Init
 */
drool.flow({
	repeatCount: 5,
	setup: function () {
		driver.get('http://localhost:8000/index.html');
	},
	action: function (name) {
		driver.wait(function () {
			driver.sleep(500);
			return driver.findElement(drool.webdriver.By.css(newTodoSelector(name)))
				.sendKeys('find magical goats', drool.webdriver.Key.ENTER)
				.thenCatch(function () {
					return false;
				})
			.then(function () {
				return driver.findElement(drool.webdriver.By.css(listSelector(name))).isDisplayed()
					.then(function () {
						return true;
					});
			});
		}, 10000);

		driver.wait(function () {
			return driver.findElement(drool.webdriver.By.css(listSelector(name))).click()
				.thenCatch(function () {
					return false;
				})
			.then(function () {
				return true;
			});
		});

		driver.findElement(drool.webdriver.By.css('.destroy')).click();
	}.bind(null, 'inferno'),
	assert: function (after, initial) {
		var nodeIncrease = (after.nodes - initial.nodes);
		var listenerIncrease = (after.jsEventListeners - initial.jsEventListeners);
		var memoryExceptions = exceptions['inferno'] || {};

		console.log(this + ', ' +  nodeIncrease + ', ' +
			(after.jsHeapSizeUsed - initial.jsHeapSizeUsed) + ', ' + listenerIncrease);

		//https://code.google.com/p/chromium/issues/detail?id=516153
		if (nodeIncrease > memoryExceptions.nodes || 0) {
			throw new Error('Node Count leak detected!');
		}

		if (listenerIncrease > memoryExceptions.listeners || 0) {
			throw new Error('Event Listener leak detected!');
		}

	}.bind('inferno')
}, driver);

driver.quit();