var map;
var markers = [];
var infoWindow;
var plugins_url = 'https://nathanielshope.org/wp-content/plugins/buddy-break-map/';
var customIcons = {
  heart: {
    icon: plugins_url + 'images/icon-heart-small.png',
    shadow: ''
  }
};
var hqLat = 28.449482;
var hqLng = -81.352691;


function load() {
  var map = new google.maps.Map(document.getElementById("map"), {
    center: new google.maps.LatLng(hqLat, hqLng),
    zoom: 13,
    mapTypeId: 'roadmap'
  });
  var infoWindow = new google.maps.InfoWindow;

  // Change this depending on the name of your PHP file
  downloadUrl(plugins_url + "map.php", function(data) {
    var xml = data.responseXML;
    console.log(xml);
    var markers = xml.documentElement.getElementsByTagName("marker");
    var bounds = new google.maps.LatLngBounds();
    if(markers.length > 0) {
        for (var i = 0; i < markers.length; i++) {
          var name = markers[i].getAttribute("name");
          var street_address = markers[i].getAttribute("street_address");
          var city = markers[i].getAttribute("city");
          var state = markers[i].getAttribute("state");
          var zip = markers[i].getAttribute("zip_code");
          var coordinator_name = markers[i].getAttribute("coordinator_name");
          var phone_number_1 = markers[i].getAttribute("phone_number_1");
          var email_address = markers[i].getAttribute("email_address");
          var web_address = markers[i].getAttribute("web_address");
          var permalink = markers[i].getAttribute("permalink");
          var type = markers[i].getAttribute("type");
          var distance = markers[i].getAttribute("distance");
          var point = new google.maps.LatLng(
              parseFloat(markers[i].getAttribute("lat")),
              parseFloat(markers[i].getAttribute("lng")));
              console.log(point);
          var html = "";
              html += "<b>" + name + "</b> <br/>" + street_address + "<br />" + city + ", " + state + " " + zip + "<br /><br />";
              html += "Buddy Break Coordinator<br />" + coordinator_name + "<br />" + phone_number_1 + "<br /><a href='mailto:" + email_address + "'>" + email_address + "</a><br /><a href='" + web_address + "' target='_blank'>View Website</a>";
              if(distance != '0') {
                html += '<br /><br /><em>Distance from location: ' + distance + ' Miles</em>';
              }
              html += "<br /><br /><a onclick='openMoreInfo(\"" + permalink + "\");' href='#" + permalink + "'>View more information &raquo;</a>";
          var icon = customIcons[type] || {};
          var marker = new google.maps.Marker({
            map: map,
            position: point,
            icon: icon.icon,
            shadow: icon.shadow
          });
          bindInfoWindow(marker, map, infoWindow, html);
          bounds.extend(point);
        }
    } else {
        var point = new google.maps.LatLng(hqLat,hqLng);
        bindInfoWindow(marker, map, infoWindow, html);
        bounds.extend(point);
    }
    map.fitBounds(bounds);
  });
}

function bindInfoWindow(marker, map, infoWindow, html) {
  google.maps.event.addListener(marker, 'click', function() {
    infoWindow.setContent(html);
    infoWindow.open(map, marker);
  });
}

function downloadUrl(url, callback) {
  var request = window.ActiveXObject ?
      new ActiveXObject('Microsoft.XMLHTTP') :
      new XMLHttpRequest;

  request.onreadystatechange = function() {
    if (request.readyState == 4) {
      request.onreadystatechange = doNothing;
      callback(request, request.status);
    }
  };

  request.open('GET', url, true);
  request.send(null);
}

function getLatLng() {
    var address = document.getElementById("addressInput").value;
    var geocoder = new google.maps.Geocoder();
    geocoder.geocode({address: address}, function(results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
            document.buddyBreakSearch.lat.value = results[0].geometry.location.lat();
            document.buddyBreakSearch.lng.value = results[0].geometry.location.lng();
            //console.log(document.buddyBreakSearch.lat.value);
            //console.log(document.buddyBreakSearch.lng.value);
            return true;
        }
    });
}

/*function searchLocations() {
    var address = document.getElementById("addressInput").value;
    var geocoder = new google.maps.Geocoder();
    geocoder.geocode({address: address}, function(results, status) {
        if (status == google.maps.GeocoderStatus.OK) {
            searchLocationsNear(results[0].geometry.location);
        } else {
            alert(address + ' not found');
        }
    });
}

function searchLocationsNear(center) {
    //clearLocations();

    var radius = document.getElementById('radiusSelect').value;
    var searchUrl = plugins_url + 'map.php?lat=' + center.lat() + '&lng=' + center.lng() + '&radius=' + radius;
    //var searchUrl = plugins_url + 'map.php';
    downloadUrl(searchUrl, function(data) {
        var xml = data.responseXML;
        var markerNodes = xml.documentElement.getElementsByTagName("marker");
        var bounds = new google.maps.LatLngBounds();
        for (var i = 0; i < markerNodes.length; i++) {
            var name = markerNodes[i].getAttribute("name");
            var street_address = markerNodes[i].getAttribute("street_address");
            var type = markerNodes[i].getAttribute("type");
            var distance = parseFloat(markerNodes[i].getAttribute("distance"));
            var latlng = new google.maps.LatLng(
                parseFloat(markerNodes[i].getAttribute("lat")),
                parseFloat(markerNodes[i].getAttribute("lng"))
            );
            var html = "<b>" + name + "</b> <br/>" + street_address;
            var icon = customIcons[type] || {};

            //createOption(name, distance, i);
            createMarker(latlng, name, street_address);
            bounds.extend(latlng);
        }
        //map.fitBounds(bounds);
    });
}

function createMarker(latlng, name, address) {
  var html = "<b>" + name + "</b> <br/>" + address;
  var marker = new google.maps.Marker({
    map: map,
    position: latlng
  });
  google.maps.event.addListener(marker, 'click', function() {
    infoWindow.setContent(html);
    infoWindow.open(map, marker);
  });
  markers.push(marker);
}*/

function openMoreInfo(permalink) {
    //var infoDiv = jQuery("a[name=" + permalink + "]").next().next().next().next(); /* Use this if the "More Info" button is being used */
    var infoDiv = jQuery("a[name=" + permalink + "]").next().next().next(); /* Use this if the church name is the More Info link */

    if(infoDiv.is(":hidden")) {

        //jQuery("a[name=" + permalink + "]").next().children("a.view_more_info").html('Collapse &raquo;');

        infoDiv.show();
    }
}

function doNothing() {}