/*	yWeb EPG by yjogol
*/

/* EPG+ */

var g_width_px = 0; /* display width */
var g_number_of_cols = 0; /* nr of cols */
var g_width_all_items = 0; /* width without bouquet */
var c_width_px_per_min = 3; /* px per minute */
var c_min_per_col = 15; /* minutes per col */
var c_width_px_bouquet = 100; /* width of bouquet */
var c_slider_width = 25;
var epg_data; /* all EPG Data in 2-dim Array */
var epg_data_index = 0;
var g_timer_eventids = new Array();
var g_selected = 0;

/* calc the dimension px and mins to display */
function epg_plus_calc_dimensions()
{
	var show_dim = jQuery('#epg_plus').outerWidth();
	var usable_width_px = show_dim.width - c_slider_width; /*get display width*/
	var max_minutes_to_display = Math.round((usable_width_px - c_width_px_bouquet - c_width_px_per_min) / c_width_px_per_min); /* calc display minutes*/
	g_number_of_cols = Math.round(max_minutes_to_display / c_min_per_col);
	g_width_px = g_number_of_cols * c_width_px_per_min * c_min_per_col + c_width_px_bouquet + c_width_px_per_min;
	g_width_all_items = g_width_px - c_width_px_bouquet - c_width_px_per_min;
	jQuery('#epg_plus').css('width', g_width_px);
}

function do_zap(channelid)
{
	stb_zapto(channelid);
}

function epg_zapto()
{
	stb_zapto(jQuery('#d_channel_id').text());
}

function epg_set_timer_rec()
{
	stb_set_timer_rec(jQuery("#d_channel_id").text(), jQuery("#d_start").text(), jQuery("#d_stop").text());
}

function epg_set_timer_zap()
{
	stb_set_timer_zap(jQuery("#d_channel_id").text(), jQuery("#d_start").text());
}

function build_epg_clear()
{
	var ep = jQuery("#epg_plus");
	obj_clear_all_childs(ep);
}

/* set a layout box and content */
function build_epg_setbox(_item, _starttime, _stoptime, _start, _stop)
{
	var d_start = Math.max(_start, _starttime);
	var d_stop = Math.min(_stop, _stoptime);
	var d_left = c_width_px_bouquet + c_width_px_per_min + Math.round((d_start - _starttime) * c_width_px_per_min / 60);
	var d_width = Math.max(0, Math.round((d_stop - d_start) * c_width_px_per_min / 60) - 3);
	d_width = Math.min(d_width, g_width_px - d_left);
	if (d_start < _stoptime)
		_item.css({
			'position': 'absolute',
			'top': '0px',
			'left': d_left + 'px',
			'width': d_width + 'px'
		})
}

/* show epg details */
function show_epg_item(_index)
{
	g_selected=_index;
	jQuery("#d_desc").html(epg_data[_index][4] + " " + epg_data[_index][0]);
	jQuery("#d_info1").html(epg_data[_index][1]);
	jQuery("#d_info2").html(epg_data[_index][2]);
	jQuery("#d_start").html(epg_data[_index][3]);
	jQuery("#d_stop").html(epg_data[_index][5]);
	jQuery("#d_channel_id").html(epg_data[_index][6]);
	var logo = epg_data[_index][7];
	jQuery("#d_logo").html((logo != "") ? "<img class=\"channel_logos\" src=\"" + logo + "\">" : "");

	var off= jQuery('#epg_plus').offset();
	jQuery('#epg_info').css({
		'left': off.left + 50 + 'px',
		'top': off.top + 50 + 'px',
		'position': 'absolute'
	});
	show_obj("epg_info",true);
}

/* build one channel row */
function build_epg_bouquet(__bdiv, __channel_id, _starttime, _stoptime, _logo)
{
	var xml = loadSyncURLxml("/control/epg?xml=true&channelid=" + __channel_id + "&details=true&stoptime=" + _stoptime);
	if (xml)
	{
		var prog_list = xml.getElementsByTagName('prog');
		for (var i = 0; i < prog_list.length; i++)
		{
			var prog = prog_list[i];

			var _stop = getXMLNodeItemValue(prog, "stop_sec");
			_stop = parseInt(_stop);
			if (_stop > _starttime)
			{
				var _start_t	= getXMLNodeItemValue(prog, "start_t");
				var _start	= getXMLNodeItemValue(prog, "start_sec");
				_start = parseInt(_start);
				var _stop_t	= getXMLNodeItemValue(prog, "stop_t");
				var _desc	= epg_de_qout(getXMLNodeItemValue(prog, "description"));
				var _info1	= epg_de_qout(getXMLNodeItemValue(prog, "info1"));
				var _info2	= epg_de_qout(getXMLNodeItemValue(prog, "info2"));
				var __item = obj_createAt(__bdiv, "div", "ep_bouquet_item");

				var epg_obj = new Array(_desc, _info1, _info2, _start, _start_t, _stop.toString(), __channel_id, _logo);
				epg_data.push(epg_obj);
				__item.innerHTML = "<span onclick=\"show_epg_item('" + epg_data_index + "');\" title=\"" + _start_t + " " + _desc + " (click for details)\">" + _desc + "</span>";
				build_epg_setbox(__item, _starttime, _stoptime, _start, _stop);
				epg_data_index++;
			}
		}
		/* look for timers*/
		var fou = g_timer_eventids.findAll(function(e) {
			return e.get('channelid') == __channel_id; 
		});
		if (fou)
		{
			jQuery(fou).each(function(i, e) {
				var stTime="0";
				var tclass="";
				if (e.get('eventType') == 3) /* zap */
				{
					stTime = e.get('alarmTime');
					stTime = parseInt(stTime, 10) + 200;
					stTime = stTime.toString();
					tclass = "ep_bouquet_zap";
				}
				else if (e.get('eventType') == 5) /* record */
				{
					stTime = e.get('stopTime');
					tclass = "ep_bouquet_rec";
				}
				var __item = obj_createAt(__bdiv, "div", tclass);
				build_epg_setbox(__item, _starttime, _stoptime, e.get('alarmTime'), stTime);
			});
		}
	}
}

/* build time row */
function build_epg_time_bar(_tdiv, _starttime, _stoptime){
	var _start = _starttime;
	for (var i = 0; i < g_number_of_cols; i++)
	{
		var __item = obj_createAt(_tdiv, "div", "ep_time_bar_item");
		__item.innerHTML = format_time(new Date(_start * 1000));
		var _stop = _start + (c_min_per_col * 60);
		build_epg_setbox(__item, _starttime, _stoptime, _start, _stop);
		_start = _stop;
	}
}

function get_timer()
{
	g_timer_eventids = new Array();
	var timer = loadSyncURL("/control/timer?format=id");
	var lines = timer.split("\n");
	jQuery(lines).each(function(index, line) {
		var vals = line.split(" ");
		if (vals.length >= 8 && (vals[1] == 3 || vals[5])) /* record and zap */
		{
			var aTimer = $H( {
				'eventID': vals[0],
				'eventType': vals[1],
				'eventRepeat': vals[2], 
				'repcount': vals[3],
				'announceTime': vals[4],
				'alarmTime': vals[5],
				'stopTime': vals[6],
				'channelid': vals[7]
			});
			g_timer_eventids.push(aTimer);
		}
	},this);
}

/* main */
var g_i = 0;
var g_bouquet_list;
var g_display_logos = "";
function build_epg_plus(_bouquet, _starttime)
{
	build_epg_clear();
	epg_data = new Array();
	epg_data_index=0;
	var _bouquets_xml = loadSyncURLxml("/control/getbouquet?bouquet=" + _bouquet + "&xml=true");
	if (_bouquets_xml)
	{
		g_bouquet_list = _bouquets_xml.getElementsByTagName("channel");
		var ep = jQuery("#epg_plus");
		var _stoptime = _starttime + c_min_per_col * 60 * g_number_of_cols;
		var __tdiv = obj_createAt(ep, "div", "ep_time_bar");
		var __tname_div = obj_createAt(__tdiv, "div", "ep_time_bar_item");
		__tname_div.innerHTML = "Uhrzeit";
		__tname_div.style.cssText = "width:" + c_width_px_bouquet + "px;";
		build_epg_time_bar(__tdiv, _starttime, _stoptime);
		__tdiv.style.cssText = "width:" + g_width_px;
		var __ediv = obj_createAt(ep, "div", "epg_plus_container");
		__ediv.setAttribute("id", "epg_plus_container")
		g_i = 0;
		window.setTimeout("build_epg_plus_loop(" + _starttime + "," + _stoptime + ")", 100);
	}
}

function build_epg_plus_loop(_starttime, _stoptime)
{
	if (g_i<g_bouquet_list.length)
	{
		var _bouquet = g_bouquet_list[g_i];
		var __channel_name = getXMLNodeItemValue(_bouquet, "name");
		var __channel_id = getXMLNodeItemValue(_bouquet, "id");
		var __short_channel_id = getXMLNodeItemValue(_bouquet, "short_id");
		var __logo = getXMLNodeItemValue(_bouquet, "logo");
		var ep = jQuery("#epg_plus_container");
		var __bdiv = obj_createAt(ep, "div", "ep_bouquet");
		var __bname_div = obj_createAt(__bdiv, "div", "ep_bouquet_name");
		var ch_name_with_logo = (g_display_logos == "true") ? "<img class=\"channel_logos\" src=\"" + __logo + "\" title=\"" + __channel_name + "\" alt=\"" + __channel_name + "\" >" : __channel_name;
		jQuery("#"+__bname_div).css({ "width": c_width_px_bouquet + "px"});
		jQuery("#"+__bname_div).html("<a href=\"javascript:do_zap('" + __channel_id + "');\">" + ch_name_with_logo + "</a>");
		build_epg_bouquet(__bdiv, __channel_id, _starttime, _stoptime, __logo);
		window.setTimeout("build_epg_plus_loop(" + _starttime + "," + _stoptime + ")", 100);
		g_i++;
	}
	else
	{
		show_waitbox(false);
		obj_disable("btGet", false);
	}
}

/* main: build epg+ */
function build_epg_plus_main()
{
	epg_plus_calc_dimensions();
	get_timer();
	show_obj("epg_info", false);
	show_waitbox(true);
	obj_disable("btGet", true);
	var sel = document.e.bouquets.selectedIndex;
	if (sel != -1)
		bou = document.e.bouquets[sel].value;
	else
		bou = 1;
	_secs = document.e.epg_time.value;
	_secs = parseInt(_secs);
	build_epg_plus(bou, _secs);
	//document.getElementById("epg_plus").width = g_width_px;
}

/* change time offset and build epg+ */
function build_epg_plus_delta(_delta)
{
	if (document.e.epg_time.selectedIndex + _delta < document.e.epg_time.length && document.e.epg_time.selectedIndex + _delta >= 0)
		document.e.epg_time.selectedIndex += _delta;
	build_epg_plus_main();
}

/* time delta dropdown-list */
function build_time_list(_delta)
{
	var now = new Date();
	now.setMinutes(0);
	now.setSeconds(0);
	now.setMilliseconds(0);
	now = new Date(now.getTime() + _delta * 60 * 60 * 1000);
	var _secs = now / 1000;
	var _hour = now.getHours();
	var et = document.getElementById("epg_time");
	for (i = 0; i < 24; i++)
	{
		var _time = (_hour + i) % 24;
		if(_time < 10)
			_time = "0" + _time;
		_time += ":00";
		var _time_t = _secs + i * 3600;
		var __item = obj_createAt(et, "option", "ep_bouquet_item");
		__item.text = _time;
		__item.value = _time_t;
	}
}

/* init call */
function epg_plus_init(_display_logos)
{
	g_display_logos = _display_logos;
	window.onresize = epg_plus_calc_dimensions();
	build_time_list(0);
}