class AddCardViewController extends OnTimeViewController {
	viewDidLoad() {
		this.reset();
	}

	/**
	 * Preselects the specified category.
	 */
	setCategory(categoryKey) {
		this.cardCategorySelectController.element.value = categoryKey;
	}

	onCancelButtonPressed(event) {
		this.dismissModally();
	}

	onDoneButtonPressed(event) {
		if (this.creatingCardData) {
			return;
		}

		if (!this.cardProjectSelect.value) {
			alert("You must specify a project.");
			return;
		}

		if (!this.cardTitleField.value) {
			alert("You must specify a card title.");
			return;
		}

		if (!this.cardCategorySelect.value) {
			alert("You must specify a category.");
			return;
		}

		this.creatingCardData = {
			title: this.cardTitleField.value,
			description: this.cardDescriptionField.value,
			category_key: this.cardCategorySelect.value,
			project_key: this.cardProjectSelect.value
		};

		var createCardRequest = new Request(OnTime.REQUEST_URI + "Card/Create", Request.POST, this.cardCreated.bind(this), this.cardCreationError.bind(this));
		createCardRequest.send(this.creatingCardData);
	}

	cardCreated(cardKey) {
		this.creatingCardData.card_key = cardKey;
		this.cardCollectionView.createCard(this.creatingCardData);
		
		this.reset();
		this.dismissModally();
	}

	cardCreationError(request, status, error) {
		this.reset();
	}

	reset() {
		this.creatingCardData = null;

		this.cardTitleField.value = null;
		this.cardDescriptionField.value = null;
		this.cardCategorySelect.value = null;
		this.cardProjectSelect.value = null;

		this.doneButton.disabled = true;
	}

	onTitleFieldChanged(event) {
		if (this.cardTitleField.value == "") {
			this.doneButton.disabled = true;
		}
		else {
			this.doneButton.disabled = false;
		}
	}
}

UIKit.registerViewControllerType(AddCardViewController);