/**
 * Frontend configuration
 * 
 * @author Florian Ziegler <fz@f10-home.de>
 * @author Justin Otherguy <justin@justinotherguy.org>
 * @author Steffen Vogel <info@steffenvogel.de>
 * @copyright Copyright (c) 2010, The volkszaehler.org project
 * @package default
 * @license http://opensource.org/licenses/gpl-license.php GNU Public License
 */
/*
 * This file is part of volkzaehler.org
 * 
 * volkzaehler.org is free software: you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation, either version 3 of the License, or any later version.
 * 
 * volkzaehler.org is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * volkszaehler.org. If not, see <http://www.gnu.org/licenses/>.
 */

// default time interval to show
vz.options = {
	language: 'de',
	backendUrl: '../backend.php', // TODO default backend, store backend urls in cookies
	tuples: 300,
	precission: 2, // TODO update from backend capabilities?
	render: 'lines',
	refresh: false,
	defaultInterval: 24*60*60*1000, // 1 day
	timezoneOffset: -(new Date().getTimezoneOffset() * 60000) // TODO add option with timezone dropdown
};

vz.options.plot = {
	colors: ['#579D1C', '#7E0021', '#FFD320', '#FF420E', '#004586', '#0084D1', '#C5000B', '#FF950E', '#4B1F6F', '#AECF00', '#314004', '#83CAFF'],
	series: {
		shadowSize: 0,
		points: {
			radius: 1,
			//symbol: 'square'
			symbol: function(ctx, x, y, radius, shadow) { // just draw simple pixels
				ctx.lineWidth = 1;
				ctx.strokeRect(x-1, y-1, 2, 2);
			}
		}
	},
	legend: { show: false },
	xaxis: {
		mode: 'time',
		max: new Date().getTime(), // timeinterval to request
		min: new Date().getTime() - vz.options.defaultInterval,
		timeformat: '%d. %b %h:%M',
		monthNames: ['Jan', 'Feb', 'Mär', 'Apr', 'Mai', 'Jun', 'Jul', 'Aug', 'Sep', 'Okt', 'Nov', 'Dez'],
		tickFormatter: function(val, axis) {
			var date = new Date(val + vz.options.timezoneOffset); /* add timezone offset */
			return $.plot.formatDate(date, this.timeformat, this.monthNames);			
		}
	},
	yaxis: {
		min: 0,
		max: null
	},
	selection: { mode: 'x' },
	crosshair: { mode: 'x' },
	grid: {
		hoverable: true,
		autoHighlight: false
	}
}

vz.options.save = function() {
	for (var key in vz.options) {
		if (vz.options.hasOwnProperty(key) &&
			typeof vz.options[key] != 'function' &&
			typeof vz.options[key] != 'object' &&
			typeof vz.options[key] != 'undefined'
		) {
			$.setCookie('vz_' + key, vz.options[key]);
		}
	}
};

vz.options.load = function() {
	for (var key in this) {
		var value = $.getCookie('vz_' + key);
		if (value !== undefined) {
			switch(typeof this[key]) {
				case 'string':
					this[key] = value;
					break;
				case 'number':
					this[key] = Number(value);
					break;
				case 'boolean':
				 	this[key] = (value == 'true');
					break;
			}
		}
	}
};