/* jslint node: true */
'use strict';

const View				= require('./view.js').View;
const valueWithDefault	= require('./misc_util.js').valueWithDefault;
const isPrintable		= require('./string_util.js').isPrintable;
const stylizeString		= require('./string_util.js').stylizeString;

const _					= require('lodash');

module.exports = class KeyEntryView extends View {
	constructor(options) {
		options.acceptsFocus = valueWithDefault(options.acceptsFocus, true);
		options.acceptsInput = valueWithDefault(options.acceptsInput, true);

		super(options);

		this.eatTabKey = options.eatTabKey || true;
		this.caseInsensitive = options.caseInsensitive || true;

		//	:TODO: allow (by default) only supplied keys[] to even draw
	}

	onKeyPress(ch, key) {
		if(ch && isPrintable(ch)) {
			this.redraw();	//	sets position
			this.client.term.write(stylizeString(ch, this.textStyle));
		}

		if(ch && this.caseInsensitive) {
			ch = ch.toUpperCase();
		}

		this.keyEntered = ch || key.name;

		if(key && 'tab' === key.name && !this.eatTabKey) {
			return this.emit('action', 'next', key);
		}
		
		this.emit('action', 'accept');
		//	NOTE: we don't call super here. KeyEntryView is a special snowflake.
	}

	setPropertyValue(propName, propValue) {
		switch(propName) {
			case 'eatTabKey' :
				if(_.isBoolean(propValue)) {
					this.eatTabKey = propValue;
				}
				break;

			case 'caseInsensitive' :
				if(_.isBoolean(propValue)) {
					this.caseInsensitive = propValue;
				}
				break;
		}
		
		super.setPropertyValue(propName, propValue);
	}

	getData() {	return this.keyEntered; }
};