//var ttss_base = 'http://www.ttss.krakow.pl/internetservice/services';
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var ttss_base = '/proxy.php';
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var ttss_refresh = 20000; // 20 seconds
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var stop_id;
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var stop_name = document.getElementById('stop-name');
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var stop_name_form = stop_name.form;
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var stop_name_autocomplete = document.getElementById('stop-name-autocomplete');
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var stop_name_autocomplete_xhr;
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var times_xhr;
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var times_timer;
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var times_stop_name = document.getElementById('times-stop-name');
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var times_alerts = document.getElementById('times-alerts');
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var times_table = document.getElementById('times-table');
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var times_lines = document.getElementById('times-lines');
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/*
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var route_xhr;
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var route_line = document.getElementById('route-line');
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var route_table = document.getElementById('route-table');
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*/
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var refresh_button = document.getElementById('refresh');
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var refresh_text = document.getElementById('refresh-text');
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var refresh_time;
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var refresh_timer;
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var alert = document.getElementById('alert');
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var alert_text = document.getElementById('alert-text');
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var alert_close = document.getElementById('alert-close');
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function parseStatus(status) {
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switch(status.status) {
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case 'STOPPING':
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return '<<<';
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case 'PREDICTED':
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if(status.actualRelativeTime <= 0)
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return '<<<';
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if(status.actualRelativeTime >= 60)
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return Math.floor(status.actualRelativeTime / 60) + ' min';
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return status.actualRelativeTime + ' s';
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case 'DEPARTED':
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return Math.floor(-status.actualRelativeTime / 60) + ' min ago';
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default:
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return status.mixedTime;
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}
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}
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function parseTime(date, time) {
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var result = new Date(date.getFullYear(), date.getMonth(), date.getDay());
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var time_split = time.split(':');
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result.setHours(time_split[0]);
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result.setMinutes(time_split[1]);
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if(result.getTime() - date.getTime() > 72000000) {
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result.setTime(result.getTime() - 86400000);
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}
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if(date.getTime() - result.getTime() > 72000000) {
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result.setTime(result.getTime() + 86400000);
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}
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return result;
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}
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function parseDelay(status) {
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if(!status.actualTime) return '?';
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if(!status.plannedTime) return '?';
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var now = new Date();
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var actual = parseTime(now, status.actualTime);
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var planned = parseTime(now, status.plannedTime);
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return ((actual.getTime() - planned.getTime()) / 1000 / 60) + ' min';
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}
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function deleteChildren(element) {
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while(element.lastChild) element.removeChild(element.lastChild);
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}
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function addElementWithText(parent, element, text) {
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var elem = document.createElement(element);
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elem.appendChild(document.createTextNode(text));
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parent.appendChild(elem);
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return elem;
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}
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function addCellWithText(parent, text) {
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addElementWithText(parent, 'td', text);
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}
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function addParaWithText(parent, text) {
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addElementWithText(parent, 'p', text);
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}
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function setText(element, text) {
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deleteChildren(element);
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element.appendChild(document.createTextNode(text));
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}
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function fail(message, more) {
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if(refresh_timer) clearInterval(refresh_timer);
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if(times_timer) clearTimeout(times_timer);
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setText(alert_text, message);
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alert.style.display = 'block';
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console.log(message + ' More details follow.');
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if(more) console.log(more);
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}
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function fail_ajax(data) {
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// abort() is not a failure
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if(data.readyState == 0 && data.statusText == 'abort') return;
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if(data.status == 0) {
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fail('Request failed - please check your network connectivity.', data);
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} else if (data.statusText) {
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fail('Internet request failed with error: ' + data.statusText + '.', data);
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} else {
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fail('Internet request failed.', data);
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}
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}
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function loadTimes(stopId = null, clearRoute = false) {
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if(!stopId) stopId = stop_id;
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if(!stopId) return;
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if(times_timer) clearTimeout(times_timer);
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if(times_xhr) times_xhr.abort();
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refresh_button.removeAttribute('disabled');
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times_xhr = $.get(
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ttss_base + '/passageInfo/stopPassages/stop'
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+ '?stop=' + encodeURIComponent(stopId)
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+ '&mode=departure'
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).done(function(data) {
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setText(times_stop_name, data.stopName);
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deleteChildren(times_alerts);
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deleteChildren(times_table);
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deleteChildren(times_lines);
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/*
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if(clearRoute) {
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deleteChildren(route_line);
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deleteChildren(route_table);
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}
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*/
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for(var i = 0, il = data.generalAlerts.length; i < il; i++) {
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addParaWithText(times_alerts, data.generalAlerts[i]);
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}
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for(var i = 0, il = data.old.length; i < il; i++) {
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var tr = document.createElement('tr');
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addCellWithText(tr, data.old[i].patternText);
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addCellWithText(tr, data.old[i].direction);
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var status = parseStatus(data.old[i]);
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addCellWithText(tr, status);
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addCellWithText(tr, '');
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tr.className = 'active';
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times_table.appendChild(tr);
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}
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for(var i = 0, il = data.actual.length; i < il; i++) {
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var tr = document.createElement('tr');
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addCellWithText(tr, data.actual[i].patternText);
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addCellWithText(tr, data.actual[i].direction);
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var status = parseStatus(data.actual[i]);
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addCellWithText(tr, status);
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var delay = parseDelay(data.actual[i]);
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addCellWithText(tr, delay);
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if(status == '<<<') tr.className = 'success';
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else if(parseInt(delay) > 9) tr.className = 'danger';
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else if(parseInt(delay) > 3) tr.className = 'warning';
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times_table.appendChild(tr);
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}
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for(var i = 0, il = data.routes.length; i < il; i++) {
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var tr = document.createElement('tr');
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addCellWithText(tr, data.routes[i].name);
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addCellWithText(tr, data.routes[i].directions.join(' - '));
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addCellWithText(tr, data.routes[i].authority);
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/*
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tr.addEventListener('click', function(routeId, routeTr){ return function(e) {
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var trs = tr.parentNode;
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for(var i = 0; i < trs.childNodes.length; i++) {
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trs.childNodes[i].removeAttribute('class');
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}
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routeTr.className = 'warning';
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if(route_xhr) route_xhr.abort();
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route_xhr = $.get(
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ttss_base + '/routeInfo/routeStops'
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+ '?routeId=' + encodeURIComponent(routeId)
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).done(function(data) {
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setText(route_line, data.route.name + ': '
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+ data.route.directions.join(' - '));
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deleteChildren(route_table);
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routeTr.className = 'success';
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for(var i = 0, il = data.stops.length; i < il; i++) {
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var tr = document.createElement('tr');
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addCellWithText(tr, data.stops[i].name);
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route_table.appendChild(tr);
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}
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}).fail(fail_ajax);
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}}(data.routes[i].id, tr));
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*/
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times_lines.appendChild(tr);
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for(var j = 0, jl = data.routes[i].alerts.length; j < jl; j++) {
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addParaWithText(
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times_alerts,
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'Line ' + data.routes[i].name + ': '
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+ data.routes[i].alerts[j]
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);
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}
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}
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startTimer(new Date());
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times_timer = setTimeout(function(){ loadTimes(); }, ttss_refresh);
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}).fail(fail_ajax);
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}
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function declinate(num, singular, plural) {
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if(num == 1) return num + ' ' + singular;
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return num + ' ' + plural;
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}
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function startTimer(date) {
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if(date) {
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setText(refresh_text, 'Last refreshed: just now')
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refresh_time = date;
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}
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if(!refresh_time) return;
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if(refresh_timer) clearInterval(refresh_timer);
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var now = new Date();
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var ms = now.getTime() - refresh_time.getTime();
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var interval = 1000;
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if(ms >= 120000) interval = 60000;
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refresh_timer = setInterval(function() {
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var now = new Date();
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var ms = now.getTime() - refresh_time.getTime();
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if(ms >= 120000) {
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setText(refresh_text, 'Last refreshed: '
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+ declinate(Math.floor(ms / 60000), 'minute ago', 'minutes ago'));
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startTimer();
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} else {
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setText(refresh_text, 'Last refreshed: '
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+ declinate(Math.floor(ms / 1000), 'second ago', 'seconds ago'));
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}
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}, interval);
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}
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function init() {
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if(!window.jQuery) {
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fail('Required JavaScript jQuery library failed to load. You may try refreshing the page.');
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return;
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}
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$.ajaxSetup({
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dataType: 'json',
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timeout: 3000,
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});
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stop_name.addEventListener('input', function(e) {
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if(!stop_name.value) return;
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if(stop_name_autocomplete_xhr) stop_name_autocomplete_xhr.abort();
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stop_name_autocomplete_xhr = $.get(
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ttss_base + '/lookup/autocomplete/json'
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+ '?query=' + encodeURIComponent(stop_name.value)
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).done(function(data) {
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deleteChildren(stop_name_autocomplete);
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for(var i = 1, il = data.length; i < il; i++) {
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var opt = document.createElement('option');
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opt.value = data[i].id;
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opt.appendChild(document.createTextNode(data[i].name));
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stop_name_autocomplete.appendChild(opt);
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}
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if(!stop_id) setText(refresh_text, 'Select the stop and click "Go"');
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}).fail(fail_ajax);
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});
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setText(refresh_text, 'Enter the stop name to begin');
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stop_name_form.addEventListener('submit', function(e) {
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e.preventDefault();
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if(!stop_name_autocomplete.value) return;
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stop_id = stop_name_autocomplete.value;
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loadTimes(stop_id, true);
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});
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refresh_button.addEventListener('click', function(e) {
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loadTimes(stop_id);
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});
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alert_close.addEventListener('click', function(e) {
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alert.style.display = 'none';
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});
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}
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init();
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