$(document).ready(function () {
  $("#adv-search-back-btn").on("click", function (e) {
    AdvancedSearch.showSearchForm(e);
  });

  AdvancedSearch.instructorSelectionHandling(Modernizr.touch);
});

var AdvancedSearch = {};

AdvancedSearch.confirmCallback = function (status) {
  if (status) {
    AdvancedSearch.save();
  }
  return false;
}

AdvancedSearch.prepareToSave = function () {
  if(typeof(Storage) !== "undefined") {

    var isEditState = $("#fres_saved_edit").prop('id') == "fres_saved_edit";

    /*Check if exists and ask confirm to overwrite from user if not in edit state*/
    if (!isEditState && localStorage.getItem("advanced_search_data")) {

      var text = {
        title: 'Vahvista',
        body: 'Sinulla voi olla vain yksi tallennettu haku, haluatko korvata olemassa olevan?',
        buttons: {accept: 'Kyllä', reject: 'Ei'}
      };
      showConfirmation(AdvancedSearch.confirmCallback, text);

    }else{
      AdvancedSearch.save();
    }

  }else{
      showUserNotification ('warning', 'Sorry, but your browser does not support this function.');
  }
}

/*
 * Save the form data to localStorage
 */
AdvancedSearch.save = function () {

  if(typeof(Storage) !== "undefined") {

    var data = $('#searchMain').serializeArray();
    var dataRow = new Object;

    //Special handling for instructors.
    $('#idInstructors option').each(function(i, option){
      dataRow = {name:"instructors[]", value:$(option).val(), text:$(option).text()};
      data.push(dataRow);
    });

    //Remove wanted fields
    var removeTheseInputs = new Array ('fromDate', 'thruDate');

    for (var i = 0; i < data.length; i++) {
      if (InArray(data[i].name, removeTheseInputs)) {
        data.splice(i,1);
        i = i -1;
      }
    }

    //Convert object to string.
    data = JSON.stringify(data);

    //Save to localStorage.
    localStorage.setItem("advanced_search_data", data);

    showUserNotification ('success', 'Haku tallennettu. Kun ensi kerralla haluat tehdä tämän haun, klikkaa aloitussivulta "Tallennettu haku". <a href="index.php?func=fres_saved">Näytä nyt haku.</a>');

  }

}


/*
 * Read saved search data from localStorage, fill the form and send it
 */

AdvancedSearch.showSaved = function (editState) {

  var data = localStorage.getItem("advanced_search_data");

  if (data) {

    if (!editState) {
      Cookie.remove('adv_search_request_made');
      $("#img_loading").show();
    }
    data = JSON.parse(data);

    for (var i in data) {
      var elementName = data[i].name;
      var value = data[i].value;

      var select = $("select[name='"+data[i].name+"']");

      if (select.prop('name') !== undefined) {
        if (elementName == 'instructors[]') {
          //Multiple instructor select
          select.append($('<option>', {value:value, text:data[i].text}));
        }else{
          //Normal single select
          select.val(value);
        }
      }else{

        var checkbox = $("input[name='"+elementName+"'][type='checkbox'][value='"+value+"']");
        if (checkbox.prop('name') !== undefined) {
          checkbox.prop('checked', true);
        }
      }
    }

    if (editState) {
      pagehandler.ShowSelectedObjects();
    }else{
      //Add func_from -field to form.
      $("#searchMain").append('<input type="hidden" name="func_from" value="fres_saved">');
      $("#adv-search-search-btn").click();
    }

  }else{
    $("#avd_search_no_saved").show();
  }
}

AdvancedSearch.selectSavedObject = function () {
  var isEditState = $("#fres_saved_edit").prop('id') == "fres_saved_edit";

  if (isEditState) {
    var data = localStorage.getItem("advanced_search_data");

    if (data) {
      data = JSON.parse(data);

      for (var i in data) {
        var elementName = data[i].name;

        if (elementName == 'objects[]') {
          var value = data[i].value;
          var checkbox = $("input[name='"+elementName+"'][type='checkbox'][value='"+value+"']");

          if (checkbox.prop('name') !== undefined) {
            checkbox.prop('checked', true);
          }
        }
      }
    }
  }
  return;
}

/**
 * Displays the search form if it has been hidden after a search.
 *
 * If the form is visible, we use window.history.back().
 */
AdvancedSearch.showSearchForm = function (e) {
  var $searchFormWrapper = $("#adv-search-form-wrapper");

  //Detect if the form is hidden.
  if (!$searchFormWrapper.is(":visible")) {
    //Display the form, button label and search button
    $searchFormWrapper.removeClass("hidden");
    $("#adv-search-btn-lbl").removeClass("hidden");
    $("#adv-search-search-btn").removeClass("hidden");
    $("#adv-search-back-btn").parent().addClass("col-sm-offset-3");
  } else {
    //If the form is not hidden, return to previous page.
    var previousPage = $("#adv-search-back-btn").data("pp");
    window.location = previousPage;
  }
};

/**
 * Handle setting up a different type of instructor selection if the device is a touch device.
 *
 * @param {boolean} isTouchDevice Specify if the customer device is a touch device or not.
 */
AdvancedSearch.instructorSelectionHandling = function (isTouchDevice) {
  if (isTouchDevice) {
    //Remove unnecessary form elements.
    $("#idInstructors").remove();
    $("#instructorsSearch").remove();
    $("#instructorLabel").remove();

    $("#idInstructorList").prop("name", "instructors[]");
  } else {
    $("#idInstructorList").click(function () {
      MoveOptions(this, document.getElementById('idInstructors'));
      DeleteEmptyOptions('idInstructors');
    });
  }
};

function myCallback(status){
  if(status){
    confirmContinue=true;
  }
  else{
    confirmContinue=false;
  }
  return;
}