require('./login.css');
var Tpl = require('./login.xml');

module.exports = new Class({
	Extends: Htk.Component,
	Properties:
	{
		conn:
		{
			type: Db.Connection
			,set: function(x) {
				this.link({_conn: x}, {'loading-changed': this._onConnLoadChange});
			}
			,get: function() {
				return this._conn;
			}
		}
	}

	,initialize: function(props) {
		this.parent(props);
		this.builderInitString(Tpl);
	
		this.$('social-bar').conn = this._conn;
		
		var self = this;
		this.$('form').onsubmit = function() {
			self._onSubmit();
			return false;
		};
	}
	
	,_onConnLoadChange: function(conn, isLoading) {
		if (isLoading)
			this.$('spinner').start();
		else
			this.$('spinner').stop();
	}

	,show: function() {
		document.body.appendChild(this.node);

		var lastUser = localStorage.getItem('hederaLastUser');

		if (lastUser)
			this.$('user').value = lastUser;
	
		this._focusUserInput();
	}
	
	,_onSubmit: function() {
		this._conn.open(
			this.$('user').value,
			this.$('pass').value,
			this.$('remember').checked,
			this._onConnOpen.bind(this)
		);
		this._disableUi(true);
	}
	
	,_onConnOpen: function(conn, success, error) {
		this.$('pass').value = '';
		this._disableUi(false);

		if (success) {
			var user = this.$('user').value;
		
			if (user)
				localStorage.setItem('hederaLastUser', user);

			this.signalEmit('login');
		} else {
			this._focusUserInput();
			throw error;
		}
	}
	
	,hide: function() {
		Vn.Node.remove(this.node);
	}
	
	,_focusUserInput: function() {
		var userEntry = this.$('user');
		userEntry.focus();
		userEntry.select();
	}
	
	,_disableUi: function(disabled) {
		this.$('user').disabled = disabled;
		this.$('pass').disabled = disabled;
		this.$('submit').disabled = disabled;
	}
	
	,onPasswordLost: function() {
		var user = this.$('user').value;
	
		if (!user)
			Htk.Toast.showError(_('Please write your user name'));
		else
			this._conn.send('core/recover-password', {recoverUser: user},
				this._onPasswordRecovered.bind(this));
	}
	
	,_onPasswordRecovered: function(json, error) {
		if (error)
			throw error;

		Htk.Toast.showMessage(_('A mail has been sent wich you can recover your password'));
	}
});