$(function(){
    // available for admin pages

    // hide the open311_only section and reveal it only when send_method is relevant
    function hide_or_show_open311(e, hide_fast) {
        var $form = $(this).closest("form");
        var $open311_only = $form.find('.admin-open311-only');

        var send_method = $(this).val();
        var show_open311 = false;
        if ($form.find('[name=endpoint]').val()) {
            show_open311 = true; // always show the form if there is an endpoint value
        } else if (send_method && !send_method.match(/^(email|noop|refused)$/i)) {
            show_open311 = true;
        }
        if (show_open311) {
            $open311_only.slideDown();
        } else {
            if (hide_fast) {
                $open311_only.hide();
            } else {
                $open311_only.slideUp();
            }
        }
    }

    if ($('.admin-open311-only').length) {
        // Add handler to send_method dropdowns and set initial visibility
        $('[name=send_method]').on('change', hide_or_show_open311).each(function() {
            hide_or_show_open311.call(this, null, true);
        });
    }

    // Some lists of checkboxes have 'select all/none' links at the top
    $("a[data-select-none], a[data-select-all]").click(function(e) {
        e.preventDefault();
        var checked = $(this).filter('[data-select-all]').length > 0;
        $(this).closest("ul").find('input[type=checkbox]').prop('checked', checked);
    });


    // admin hints: maybe better implemented as tooltips?
    $(".admin-hint").on('click', function(){
        if ($(this).hasClass('admin-hint-show')) {
            $(this).removeClass('admin-hint-show');
        } else {
            $(this).addClass('admin-hint-show');
        }
    });

    // on a body's page, hide/show deleted contact categories
    var $table_with_deleted_contacts = $('table tr.is-deleted td.contact-category').closest('table');
    if ($table_with_deleted_contacts.length == 1) {
        var $toggle_deleted_btn = $("<input type='submit' class='btn' value='Hide deleted contacts' id='toggle-deleted-contacts-btn' style='margin:1em 0;'/>");
        $table_with_deleted_contacts.before($toggle_deleted_btn);
        $toggle_deleted_btn.on('click', function(e){
            e.preventDefault();
            var $cols = $table_with_deleted_contacts.find('tr.is-deleted');
            if ($cols.first().is(':visible')) {
                $cols.hide();
                $(this).prop("value", 'Show deleted contacts');
            } else {
                $cols.show();
                $(this).prop("value", 'Hide deleted contacts');
            }
        });
    }

    $( "#start_date" ).datepicker({
      defaultDate: "-1w",
      changeMonth: true,
      dateFormat: 'dd/mm/yy' ,
      // This sets the other fields minDate to our date
      onClose: function( selectedDate ) {
        $( "#end_date" ).datepicker( "option", "minDate", selectedDate );
      }
    });
    $( "#end_date" ).datepicker({
     /// defaultDate: "+1w",
      changeMonth: true,
      dateFormat: 'dd/mm/yy' ,
      onClose: function( selectedDate ) {
        $( "#start_date" ).datepicker( "option", "maxDate", selectedDate );
      }
    });

    // On user edit page, hide the area/categories fields if body changes
    $("form#user_edit select#body").change(function() {
        var show_area = $(this).val() == $(this).find("[data-originally-selected]").val();
        $("form#user_edit select#area_id").closest("li").toggle(show_area);
        $("form#user_edit .js-user-categories").toggle(show_area);
    });

    // On category edit page, hide the reputation input if inspection isn't required
    $("form#category_edit #inspection_required").change(function() {
        var $p = $("form#category_edit #reputation_threshold").closest("p");
        var $hint = $p.prevUntil().first();
        if (this.checked) {
            $p.removeClass("hidden");
            if ($hint.length) {
                $hint.removeClass("hidden");
            }
        } else {
            $p.addClass("hidden");
            if ($hint.length) {
                $hint.addClass("hidden");
            }
        }
    });
});