(function() {
  'use strict';

  var usersDatatable = null;

  // Initialize edit name modal window
  function initEditName() {
    var editNameModal = $('#team-name-modal');
    var editNameModalBody = editNameModal.find('.modal-body');
    var editNameModalSubmitBtn = editNameModal.find("[data-action='submit']");
    $('.name-link').on('ajax:success', function(ev, data) {
      // Set modal body
      editNameModalBody.html(data.html);

      editNameModalBody.find('form')
        .on('ajax:success', function() {
          // Reload page
          location.reload();
        })
        .on('ajax:error', function(ev2, data2) {
          // Display errors if needed
          editNameModalBody
            .find('form')
            .renderFormErrors('team', data2.responseJSON);
        });

      // Show modal
      editNameModal.modal('show');
    }).on('ajax:error', function() {
      // TODO
    });

    editNameModalSubmitBtn.on('click', function() {
      // Submit the form inside the modal
      editNameModalBody.find('form').submit();
    });

    editNameModal.on('hidden.bs.modal', function() {
      editNameModalBody.find('form').off('ajax:success ajax:error');
      editNameModalBody.html('');
    });
  }

  // Initialize edit description modal window
  function initEditDescription() {
    var editDescriptionModal = $('#team-description-modal');
    var editDescriptionModalBody = editDescriptionModal.find('.modal-body');
    var editDescriptionModalSubmitBtn = editDescriptionModal
      .find("[data-action='submit']");
    $('.description-link').on('ajax:success', function(ev, data) {
      var descriptionLink = $('.description-refresh');

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

      editDescriptionModalBody.find('form')
        .on('ajax:success', function(ev2, data2) {
          // Update module's description in the tab
          descriptionLink.html(data2.description_label);

          // Close modal
          editDescriptionModal.modal('hide');
        })
        .on('ajax:error', function(ev2, data2) {
          // Display errors if needed
          editDescriptionModalBody
            .find('form')
            .renderFormErrors('team', data2.responseJSON);
        });

      // Show modal
      editDescriptionModal.modal('show');
    }).on('ajax:error', function() {
      // TODO
    });

    editDescriptionModalSubmitBtn.on('click', function() {
      // Submit the form inside the modal
      editDescriptionModalBody.find('form').submit();
    });

    editDescriptionModal.on('hidden.bs.modal', function() {
      editDescriptionModalBody.find('form').off('ajax:success ajax:error');
      editDescriptionModalBody.html('');
    });
  }

  // Initialize users DataTable
  function initUsersTable() {
    usersDatatable = $('#users-table').DataTable({
      order: [[1, 'asc']],
      stateSave: true,
      buttons: [],
      processing: true,
      serverSide: true,
      ajax: {
        url: $('#users-table').data('source'),
        type: 'POST'
      },
      colReorder: {
        fixedColumnsLeft: 1000000 // Disable reordering
      },
      columnDefs: [{
        targets: [0, 1, 2, 3, 4],
        searchable: true,
        orderable: true
      }, {
        targets: 5,
        searchable: false,
        orderable: false,
        sWidth: '1%'
      }],
      columns: [
        { data: '0' },
        { data: '1' },
        { data: '2' },
        { data: '3' },
        { data: '4' },
        { data: '5' }
      ],
      oLanguage: {
        sSearch: I18n.t('general.filter')
      }
    });
  }

  function initUpdateRoles() {
    // Bind on click event of various "set role" links in user
    // dropdowns.
    $('.users-datatable').on('click', "[data-action='submit-role']", function() {
      var link = $(this);
      var form = link
        .closest('.dropdown-menu')
        .find("form[data-id='update-role-form']");
      var hiddenField = form.find("input[data-field='role']");

      // Update the hidden field of the parent form
      hiddenField.attr('value', link.attr('data-value'));

      // Submit the parent form
      form.submit();
    });

    $(document).on(
      'ajax:success',
      "[data-id='update-role-form']",
      function(e, data) {
        // If user does'n have permission to view the team anymore
        // he/she is redirected to teams page
        if (data.new_path) {
          location.replace(data.new_path);
        } else {
          // Reload the whole table
          usersDatatable.ajax.reload();
        }
      }
    ).on(
      'ajax:error',
      "[data-id='update-role-form']",
      function() {
        // TODO
      }
    );
  }

  function initRemoveUsers() {
    // Bind the "remove user" button in users dropdown
    $(document).on(
      'ajax:success',
      "[data-action='destroy-user-team']",
      function(e, data) {
        // Populate the modal heading & body
        var modal = $('#destroy-user-team-modal');
        var modalHeading = modal.find('.modal-header').find('.modal-title');
        var modalBody = modal.find('.modal-body');
        modalHeading.text(data.heading);
        modalBody.html(data.html);

        // Show the modal
        modal.modal('show');
      }
    ).on(
      'ajax:error',
      "[data-action='destroy-user-team']",
      function() {
        // TODO
      }
    );

    // Also, bind the click action on the modal
    $('#destroy-user-team-modal')
      .on('click', "[data-action='submit']", function() {
        var btn = $(this);
        var form = btn
          .closest('.modal')
          .find('.modal-body')
          .find("form[data-id='destroy-user-team-form']");

        // Simply submit the form!
        form.submit();
      });

    // Lastly, bind on the ajax form
    $(document).on(
      'ajax:success',
      "[data-id='destroy-user-team-form']",
      function() {
        // Hide modal & clear its contents
        var modal = $('#destroy-user-team-modal');
        var modalHeading = modal.find('.modal-header').find('.modal-title');
        var modalBody = modal.find('.modal-body');
        modalHeading.text('');
        modalBody.html('');

        // Hide the modal
        modal.modal('hide');

        // Reload the whole table
        usersDatatable.ajax.reload();
      }
    ).on(
      'ajax:error',
      "[data-id='destroy-user-team-form']",
      function() {
        // TODO
      }
    );
  }

  function initReloadPageAfterInviteUsers() {
    $('[data-id=team-invite-users-modal]').on('hidden.bs.modal', function() {
      if (!_.isUndefined($(this).attr('data-invited'))) {
        // Reload page
        location.reload();
      }
    });
  }

  initEditName();
  initEditDescription();
  initUsersTable();
  initUpdateRoles();
  initRemoveUsers();
  initReloadPageAfterInviteUsers();
}());