// Place all the behaviors and hooks related to the matching controller here.
// All this logic will automatically be available in application.js.

// TODO
// - error handling of assigning user to project, check XHR data.errors
// - error handling of removing user from project, check XHR data.errors
// - refresh project users tab after manage user modal is closed
// - refactor view handling using library, ex. backbone.js

//= require comments
(function () {

  var newProjectModal = null;
  var newProjectModalForm = null;
  var newProjectModalBody = null;
  var newProjectBtn = null;

  var editProjectModal = null;
  var editProjectModalTitle = null;
  var editProjectModalBody = null;
  var editProjectBtn = null;

  var manageUsersModal = null;
  var manageUsersModalBody = null;
  var manageUsersModalFooter = null;

  /**
   * Stupid Bootstrap btn-group bug hotfix
   * @param btnGroup - The button group element.
   */
  function activateBtnGroup(btnGroup) {
    var btns = btnGroup.find(".btn");
    btns.find("input[type='radio']")
    .removeAttr("checked")
    .prop("checked", false);
    btns.filter(".active")
    .find("input[type='radio']")
    .attr("checked", "checked")
    .prop("checked", true);
  }

  /**
   * Initializes page
   */
  function init() {
    newProjectModal = $('#new-project-modal');
    newProjectModalForm = newProjectModal.find('form');
    newProjectModalBody = newProjectModal.find('.modal-body');
    newProjectBtn = $('#new-project-btn');

    editProjectModal = $('#edit-project-modal');
    editProjectModalTitle = editProjectModal.find('#edit-project-modal-label');
    editProjectModalBody = editProjectModal.find('.modal-body');
    editProjectBtn = editProjectModal.find(".btn[data-action='submit']");

    manageUsersModal = $('#manage-users-modal');
    manageUsersModalBody = manageUsersModal.find('.modal-body');
    manageUsersModalFooter = manageUsersModal.find('.modal-footer');

    initNewProjectModal();
    initEditProjectModal();
    initManageUsersModal();
    Comments.initCommentOptions('ul.content-comments', true);
    Comments.initEditComments('.panel-project .tab-content');
    Comments.initDeleteComments('.panel-project .tab-content');

    // initialize project tab remote loading
    $('.panel-project .panel-footer [role=tab]')

      .on('ajax:before', function(e) {
        var $this = $(this);
        var parentNode = $this.parents('li');
        var targetId = $this.attr('aria-controls');

        if (parentNode.hasClass('active')) {
          // TODO move to fn
          parentNode.removeClass('active');
          $('#' + targetId).removeClass('active');
          return false;
        }
      })

      .on('ajax:success', function(e, data, status, xhr) {
        var $this = $(this);
        var targetId = $this.attr('aria-controls');
        var target = $('#' + targetId);
        var parentNode = $this.parents('ul').parent();

        target.html(data.html);
        initUsersEditLink(parentNode);
        Comments.form(parentNode);
        Comments.moreComments(parentNode);

        // TODO move to fn
        parentNode.find('.active').removeClass('active');
        $this.parents('li').addClass('active');
        target.addClass('active');

        Comments.scrollBottom(parentNode);
      })

      .on('ajax:error', function() {
        // TODO
      });

    initTutorial();
  }

  /**
   * Initialize the JS for new project modal to work.
   */
  function initNewProjectModal() {
    newProjectModalForm.submit(function() {
      // Stupid Bootstrap btn-group bug hotfix
      activateBtnGroup(
        newProjectModal
        .find("form .btn-group[data-toggle='buttons']")
      );
    });
    newProjectModal.on("hidden.bs.modal", function () {
      // When closing the new project modal, clear its input vals
      // and potential errors
      newProjectModalForm.clearFormErrors();

      // Clear input fields
      newProjectModalForm.clearFormFields();
      var orgSelect = newProjectModalForm.find('select#project_organization_id');
      orgSelect.val(0);
      orgSelect.selectpicker('refresh');

      var orgHidden = newProjectModalForm.find('input#project_visibility_hidden');
      var orgVisible = newProjectModalForm.find('input#project_visibility_visible');
      orgHidden.prop("checked", true);
      orgHidden.attr("checked", "checked");
      orgHidden.parent().addClass("active");
      orgVisible.prop("checked", false);
      orgVisible.parent().removeClass("active");
    })
    .on("show.bs.modal", function() {
      var orgSelect = newProjectModalForm.find('select#project_organization_id');
      orgSelect.selectpicker('refresh');
    });

    newProjectModalForm
    .on("ajax:beforeSend", function(){
      animateSpinner(newProjectModalBody);
    })
    .on("ajax:success", function(data, status, jqxhr) {
      // Redirect to response page
      $(location).attr("href", status.url);
    })
    .on("ajax:error", function(jqxhr, status, error) {
      $(this).renderFormErrors("project", status.responseJSON);
    })
    .on("ajax:complete", function(){
      animateSpinner(newProjectModalBody, false);
    });

    newProjectBtn.click(function(e) {
      // Show the modal
      newProjectModal.modal("show");
      return false;
    });
  }

  /**
   * Initialize the JS for edit project modal to work.
   */
  function initEditProjectModal() {
    // Edit button click handler
    editProjectBtn.click(function() {
      // Stupid Bootstrap btn-group bug hotfix
      activateBtnGroup(
        editProjectModalBody
        .find("form .btn-group[data-toggle='buttons']")
      );

      // Submit the modal body's form
      editProjectModalBody.find("form").submit();
    });

    // On hide modal handler
    editProjectModal.on("hidden.bs.modal", function() {
      editProjectModalBody.html("");
    });

    $(".panel-project a[data-action='edit']")
    .on("ajax:success", function(ev, data, status) {
      // Update modal title
      editProjectModalTitle.html(data.title);

      // Set modal body
      editProjectModalBody.html(data.html);

      // Add modal body's submit handler
      editProjectModal.find("form")
      .on("ajax:beforeSend", function(){
        animateSpinner(this);
      })
      .on("ajax:success", function(ev2, data2, status2) {
        // Project saved, replace changed project's title
        var responseHtml = $(data2.html);
        var id = responseHtml.attr("data-id");
        var newTitle = responseHtml.find(".panel-title");
        var existingTitle =
          $(".panel-project[data-id='" + id + "'] .panel-title");

        existingTitle.after(newTitle);
        existingTitle.remove();

        // Hide modal
        editProjectModal.modal("hide");
      })
      .on("ajax:error", function(ev2, data2, status2) {
        $(this).renderFormErrors("project", data2.responseJSON);
      })
      .on("ajax:complete", function(){
        animateSpinner(this, false);
      });

      // Show the modal
      editProjectModal.modal("show");
    })
    .on("ajax:error", function(ev, data, status) {
      // TODO
    });
  }

  function initManageUsersModal() {
    // Reload users tab HTML element when modal is closed
    manageUsersModal.on("hide.bs.modal", function () {
      var projectEl = $("#" + $(this).attr("data-project-id"));

      // Load HTML to refresh users list
      $.ajax({
        url: projectEl.attr("data-project-users-tab-url"),
        type: "GET",
        dataType: "json",
        success: function (data) {
          projectEl.find("#users-" + projectEl.attr("id")).html(data.html);
          initUsersEditLink(projectEl);
        },
        error: function (data) {
          // TODO
        }
      });
    });

    // Remove modal content when modal window is closed.
    manageUsersModal.on("hidden.bs.modal", function () {
      manageUsersModalBody.html("");
      manageUsersModalFooter.html("");
    });
  }

  // Initialize users editing modal remote loading.
  function initUsersEditLink($el) {

     $el.find(".manage-users-link")

       .on("ajax:before", function () {
        var projectId = $(this).closest(".panel-default").attr("id");
          manageUsersModal.attr("data-project-id", projectId);
          manageUsersModal.modal('show');
       })

       .on("ajax:success", function (e, data) {
         $("#manage-users-modal-project").text(data.project.name);
         initUsersModalBody(data);
       });
  }

  // Initialize reloading manage user modal content after posting new
  // user.

  function initAddUserForm() {

    manageUsersModalBody.find(".add-user-form")

      .on("ajax:success", function (e, data) {
        initUsersModalBody(data);
        if (data.status === 'error') {
          $(this).addClass("has-error");
          var errorBlock = $(this).find("span.help-block");
          if (errorBlock .length && errorBlock.length > 0) {
            errorBlock.html(data.error);
          } else {
            $(this).append("<span class='help-block col-xs-8'>" + data.error + "</span>");
          }
        }
      });
  }

  // Initialize remove user from project links.
  function initRemoveUserLinks() {

    manageUsersModalBody.find(".remove-user-link")

      .on("ajax:success", function (e, data) {
        initUsersModalBody(data);
      });
  }

  //
  function initUserRoleForms() {

    manageUsersModalBody.find(".update-user-form select")

      .on("change", function () {
        $(this).parents("form").submit();
      });

    manageUsersModalBody.find(".update-user-form")

      .on("ajax:success", function (e, data) {
        initUsersModalBody(data);
      })

      .on("ajax:error", function (e, xhr, status, error) {
        // TODO
      });
  }

  // Initialize ajax listeners and elements style on modal body. This
  // function must be called when modal body is changed.
  function initUsersModalBody(data) {
    manageUsersModalBody.html(data.html_body);
    manageUsersModalFooter.html(data.html_footer);
    manageUsersModalBody.find(".selectpicker").selectpicker();
    initAddUserForm();
    initRemoveUserLinks();
    initUserRoleForms();
  }

  /**
   * Initializes tutorial
   */
  function initTutorial() {
    var tutorialData = Cookies.get('tutorial_data');
    if (tutorialData) {
      tutorialData = JSON.parse(tutorialData);
      var stepNum = parseInt(Cookies.get('current_tutorial_step'), 10);
      if (isNaN(stepNum)) {
        // Cookies data initialization
        stepNum = 1;
        Cookies.set('current_tutorial_step', stepNum);
        tutorialData[0].backPagesPaths = [];
        Cookies.set('tutorial_data', tutorialData);
      }
      var demoProjectId = tutorialData[0].project;
      var demoProject = $('#' + demoProjectId);

      if (stepNum >= 1 && stepNum <= 3) {
        var thirdStepPos = (demoProject.offset().top > window.innerHeight / 2) ?
         'top' : 'bottom';

        var nextPage = $('#' + demoProjectId + '-project-canvas-link')
                        .attr('href');
        var steps = [{
          element: $('#projects-toolbar')[0],
          intro: I18n.t('tutorial.tutorial_welcome_title_html'),
          position: 'bottom'
        }, {
          element: $('#new-project-btn')[0],
          intro: I18n.t('tutorial.create_project_html'),
          position: 'left'
        }, {
          element: demoProject[0],
          intro: I18n.t('tutorial.project_options_html'),
          position: thirdStepPos
        }];
        initPageTutorialSteps(1, 3, nextPage, tutorialBeforeCb,
         tutorialAfterCb, steps);
      } else if (stepNum === 22) {
        var protocolLink = $('#protocol-link');

        var nextPage = protocolLink.attr('href');
        var steps = [{
          element: protocolLink[0],
          intro: I18n.t('tutorial.protocols_link_html'),
          position: 'left'
        }];
        initPageTutorialSteps(22, 22, nextPage, function() {}, function() {},
         steps);
      } else if (stepNum >= 25 && stepNum <= 26) {
        var firstStepPos = 'right';
        if (demoProject.offset().left > window.innerWidth / 2 ||
            window.innerWidth < demoProject.width() + 100) {
          if (demoProject.offset().top > 500 && demoProject.offset().top >
              window.innerHeight / 2) {
            firstStepPos = 'top';
          } else {
            firstStepPos = 'bottom';
          }
        }

        var nextPage = $('#new-report-btn').attr('href');
        var steps = [{
          element: demoProject[0],
          intro: I18n.t('tutorial.archive_project_html'),
          position: firstStepPos
        }, {
          element: $('.avatar')[0],
          intro: I18n.t('tutorial.goodbye_message'),
          position: 'left'
        }];
        initPageTutorialSteps(25, 26, nextPage, function() {}, function() {},
         steps);
      }
    }
  }

  /**
   * Callback to be executed before tutorial starts
   */
  function tutorialBeforeCb() {
    $.each($('.panel'), function(i, el){
      $(el)
      .find('.panel-title')
      .css({ 'pointer-events': 'none' });
      $(el)
      .find('.tab-content')
      .css({ 'pointer-events': 'none' });
      $(el)
      .find('.form-submit-link')
      .css({
        'pointer-events': 'none',
        'color': '<%= Constants::COLOR_ALTO %>'});
      $(el)
      .find("[data-action='edit']")
      .css({
        'pointer-events': 'none',
        'color': '<%= Constants::COLOR_ALTO %>'});
    });
  }

  /**
   * Callback to be executed after tutorial exits
   */
  function tutorialAfterCb() {
    $.each($('.panel'), function(i, el){
      $(el)
      .find('.tab-content')
      .css({ 'pointer-events': 'auto' });
      $(el)
      .find('.panel-title')
      .css({ 'pointer-events': 'auto' });
      $(el)
      .find('.form-submit-link')
      .css({
        'pointer-events': 'auto',
        'color': '<%= Constants::COLOR_NERO %>'});
      $(el)
      .find("[data-action='edit']")
      .css({
        'pointer-events': 'auto',
        'color': '<%= Constants::COLOR_NERO %>'});
    });
  }

  init();
}());