//
// Select2
// --------------------------------------------------

@if not $prev-select2 {
    // humhub defaults not available as pre-defined variables
    // These should not be overridden.

    $form-control-default-box-shadow: inset 0 1px 1px rgba(0, 0, 0, .075);

    $form-control-focus-box-shadow: $input-focus-box-shadow, 0 0 8px rgba($input-focus-border-color, 0.36);

    $form-control-transition: border-color ease-in-out .15s, box-shadow ease-in-out 15s;

    // Custom variables
    // -------------------------

    $dropdown-arrow-color: $input-color;
    $dropdown-box-shadow: 0 6px 12px rgba(0, 0, 0, .175);
    $clear-selection-color: $dropdown-arrow-color;
    $select2-caret-width: 1rem; // we cannot use $caret-width because it's a em value instead of rem

    .select2-container--humhub {
        display: block;

        /*------------------------------------*\
                #COMMON STYLES
        \*------------------------------------*/

        .picker-color {
            display: inline-block;
            width: 16px;
            height: 16px;
            border-radius: 4px;
            position: relative;
            top: 3px;
        }

        .select2-selection {
            @extend %form-control-base;
            outline: 0;
            min-height: 35px;
            font-size: 14px;
            background-color: var(--hh-background-color-main);
        }

        /**
         * Search field in the Select2 dropdown.
         */

        .select2-search--dropdown {
            .select2-search__field {
                @extend %form-control-base;
            }
        }

        /**
         * No outline for all search fields - in the dropdown
         * and inline in multi Select2s.
         */

        .select2-search__field {
            outline: 0;

            &::placeholder {
                color: $input-placeholder-color;
                font-weight: normal;
            }

        }

        .select2-results__option--highlighted[aria-selected] {
            background-color: var(--hh-background-color-secondary) !important;
        }

        /**
         * Adjust Select2's choices hover and selected styles to match
         * humhub 3's default dropdown styles.
         *
         * $see http://gethumhub.com/components/#dropdowns
         */

        .select2-results__option {

            &[role=group] {
                padding: 0;
            }

            /**
             * Disabled results.
             *
             * $see https://select2.github.io/examples.html#disabled-results
             */

            &[aria-disabled=true] {
                color: $dropdown-link-disabled-color;
                cursor: not-allowed;
            }

            /**
             * Hover state.
             */

            &[aria-selected=true] {
                background-color: $dropdown-link-hover-bg;
                color: $dropdown-link-hover-color;
                border-left: 3px solid transparent;
            }

            &[aria-selected=false] {
                border-left: 3px solid transparent;
            }

            /**
             * Selected state.
             */

            &--highlighted[aria-selected] {
                background-color: var(--bs-secondary);
                border-left: 3px solid var(--bs-accent);
                color: var(--hh-text-color-highlight);
            }

            .select2-results__option {
                padding: $input-btn-padding-y $input-btn-padding-x;

                .select2-results__group {
                    padding-left: 0;
                }

                .select2-results__option {
                    margin-left: -$input-btn-padding-x;
                    padding-left: $input-btn-padding-x*2;

                    .select2-results__option {
                        margin-left: -$input-btn-padding-x*2;
                        padding-left: $input-btn-padding-x*3;

                        .select2-results__option {
                            margin-left: -$input-btn-padding-x*3;
                            padding-left: $input-btn-padding-x*4;

                            .select2-results__option {
                                margin-left: -$input-btn-padding-x*4;
                                padding-left: $input-btn-padding-x*5;

                                .select2-results__option {
                                    margin-left: -$input-btn-padding-x*5;
                                    padding-left: $input-btn-padding-x*6;
                                }
                            }
                        }
                    }
                }
            }
        }

        .select2-results__group {
            color: $dropdown-header-color;
            display: block;
            padding: $input-btn-padding-y $input-btn-padding-x;
            font-size: $font-size-sm;
            line-height: $line-height-base;
            white-space: nowrap;
        }

        &.select2-container--focus,
        &.select2-container--open {
            .select2-selection {
                border: 2px solid var(--bs-accent);
                outline: 0;
                box-shadow: none;
            }
        }

        &.select2-container--open {
            /**
             * Make the dropdown arrow point up while the dropdown is visible.
             */

            .select2-selection .select2-selection__arrow b {
                border-color: transparent transparent $dropdown-arrow-color transparent;
                border-width: 0 $caret-width $caret-width $caret-width;
            }

            /**
             * Handle border radii of the container when the dropdown is showing.
             */

            &.select2-container--below {
                .select2-selection {
                    //@include border-bottom-radius(0);
                    //border-bottom-color: transparent;
                }
            }

            &.select2-container--above {
                .select2-selection {
                    //@include border-top-radius(0);
                    //border-top-color: transparent;
                }
            }
        }

        /**
         * Clear the selection.
         */

        .select2-selection__clear {
            color: $clear-selection-color;
            cursor: pointer;
            float: right;
            font-weight: bold;
            position: absolute;
            right: 0.2rem;
            top: 0;

            &:hover {
                color: #333;
            }
        }

        /**
         * Address disabled Select2 styles.
         *
         * $see https://select2.github.io/examples.html#disabled
         * $see http://gethumhub.com/css/#forms-control-disabled
         */

        &.select2-container--disabled {

            .select2-selection {
                border-color: $input-border-color;
                @include box-shadow(none);
            }

            .select2-selection,
            .select2-search__field {
                cursor: not-allowed;
            }

            .select2-selection {
                background-color: var(--bs-secondary-bg);
            }

            .select2-selection--multiple .select2-selection__choice {
                background-color: $btn-link-disabled-color;
            }

            .select2-selection__clear,
            .select2-selection--multiple .select2-selection__choice__remove {
                display: none;
            }
        }

        /*------------------------------------*\
                #DROPDOWN
        \*------------------------------------*/

        /**
         * Dropdown border color and box-shadow.
         */

        .select2-dropdown {
            @include box-shadow($dropdown-box-shadow);
            border-color: var(--hh-background3);
            overflow-x: hidden;
            margin-top: -1px;

            &--above {
                margin-top: 1px;
            }
        }

        /**
         * Limit the dropdown height.
         */

        .select2-results > .select2-results__options {
            max-height: 400px;
            overflow-y: auto;
        }

        /*------------------------------------*\
                #SINGLE SELECT2
        \*------------------------------------*/

        .select2-selection--single {
            height: $input-height;
            line-height: $line-height-base;
            padding: $input-btn-padding-y $input-btn-padding-x + $select2-caret-width $input-btn-padding-y $input-btn-padding-x;
            background-color: var(--hh-background-color-main);
            border-radius: var(--bs-border-radius);

            /**
             * Adjust the single Select2's dropdown arrow button appearance.
             */

            .select2-selection__arrow {
                position: absolute;
                bottom: 0;
                right: $input-btn-padding-x;
                top: 0;
                width: $caret-width;

                b {
                    border-color: $dropdown-arrow-color transparent transparent transparent;
                    border-style: solid;
                    border-width: $caret-width $caret-width 0 $caret-width;
                    height: 0;
                    left: 0;
                    margin-left: -$caret-width;
                    margin-top: -$caret-width/2;
                    position: absolute;
                    top: 50%;
                    width: 0;
                }
            }

            .select2-selection__rendered {
                color: $input-color;
                padding: 0;
            }

            .select2-selection__placeholder {
                color: $input-placeholder-color;
            }
        }

        /*------------------------------------*\
            #MULTIPLE SELECT2
        \*------------------------------------*/

        .select2-selection--multiple {
            min-height: $input-height;
            border-radius: var(--bs-border-radius);

            .picker-color {
                top: 4px;
                margin-left: 3px;
            }


            .select2-selection__rendered {
                box-sizing: border-box;
                display: block;
                line-height: $line-height-base;
                list-style: none;
                margin: 0;
                overflow: hidden;
                padding: 0;
                width: 100%;
                text-overflow: ellipsis;
                white-space: nowrap;
            }

            .select2-selection__placeholder {
                color: $input-placeholder-color;
                float: left;
                margin-top: 5px;
            }

            /**
             * Make Multi Select2's choices match humhub 3's default button styles.
             */

            .select2-selection__choice {
                color: $input-color;
                border-radius: 4px;
                cursor: default;
                float: left;
                padding: 0 $input-btn-padding-y;

                background-color: var(--bs-accent);
                color: var(--hh-accent-contrast);
                border-radius: 3px;
                font-size: 12px !important;
                padding: 0 5px 2px 2px;
                float: left;
                margin: 2px;
                height: 28px;


                img, div {
                    margin-right: 5px;
                }

                span.no-image {
                    line-height: 27px;
                    padding-left: 5px;
                }

                i {
                    margin: 0px 2px;
                    line-height: 27px;
                }

                .picker-close {
                    cursor: pointer;
                }
            }

            /**
             * Minus 2px borders.
             */

            .select2-search--inline {
                .select2-search__field {
                    background: transparent;
                    padding: 0 5px;
                    width: auto !important;
                    height: calc(#{$input-height} - 2px);
                    line-height: 30px;
                    margin-top: 0;
                    min-width: 5em;
                }
            }

            .select2-selection__choice__remove {
                color: #999;
                cursor: pointer;
                display: none;
                font-weight: bold;
                margin-right: $input-btn-padding-x/2;

                &:hover {
                    color: #333;
                }
            }

            /**
             * Clear the selection.
             */

            .select2-selection__clear {
                margin-top: $input-btn-padding-y;
            }
        }

        /**
         * Address humhub control sizing classes
         *
         * 1. Reset humhub defaults.
         * 2. Adjust the dropdown arrow button icon position.
         *
         * $see http://gethumhub.com/css/#forms-control-sizes
         */

        /* 1 */
        &.input-sm,
        &.input-lg {
            border-radius: 0;
            font-size: 12px;
            height: auto;
            line-height: 1;
            padding: 0;
        }

        &.input-sm,
        .input-group-sm &,
        .form-group-sm & {
            .select2-selection--single {
                border-radius: $border-radius-sm;
                font-size: $font-size-sm;
                height: $input-height-sm;
                line-height: $line-height-sm;
                padding: $input-btn-padding-y-sm $input-btn-padding-x-sm + $select2-caret-width + $input-btn-padding-y-sm $input-btn-padding-x-sm;

                /* 2 */
                .select2-selection__arrow b {
                    margin-left: -$input-btn-padding-y-sm;
                }
            }

            .select2-selection--multiple {
                min-height: $input-height-sm;

                .select2-selection__choice {
                    font-size: $font-size-sm;
                    line-height: $line-height-sm;
                    margin: ($input-btn-padding-y-sm - 1) 0 0 $input-btn-padding-x-sm/2;
                    padding: 0 $input-btn-padding-y-sm;

                }

                .select2-search--inline .select2-search__field {
                    padding: 0 $input-btn-padding-x-sm;
                    font-size: $font-size-sm;
                    height: calc(#{$input-height-sm} - 2px);
                    line-height: $line-height-sm;
                }

                .select2-selection__clear {
                    margin-top: $input-btn-padding-y-sm;
                }
            }
        }

        &.input-lg,
        .input-group-lg &,
        .form-group-lg & {
            .select2-selection--single {
                border-radius: $border-radius-lg;
                font-size: $font-size-lg;
                height: $input-height-lg;
                line-height: $line-height-lg;
                padding: $input-btn-padding-y-lg $input-btn-padding-x-lg + $select2-caret-width $input-btn-padding-y-lg $input-btn-padding-x-lg;

                /* 1 */
                .select2-selection__arrow {
                    width: $caret-width;

                    b {
                        border-width: $caret-width $caret-width 0 $caret-width;
                        margin-left: -$caret-width;
                        margin-left: -$input-btn-padding-y-lg;
                        margin-top: -$caret-width/2;
                    }
                }
            }

            .select2-selection--multiple {
                min-height: $input-height-lg;

                .select2-selection__choice {
                    font-size: $font-size-lg;
                    line-height: $line-height-lg;
                    border-radius: 4px;
                    margin: ($input-btn-padding-y-lg - 1) 0 0 $input-btn-padding-x-lg/2;
                    padding: 0 $input-btn-padding-y-lg;
                }

                .select2-search--inline .select2-search__field {
                    padding: 0 $input-btn-padding-x-lg;
                    font-size: $font-size-lg;
                    height: calc(#{$input-height-lg} - 2px);
                    line-height: $line-height-lg;
                }

                .select2-selection__clear {
                    margin-top: $input-btn-padding-y-lg;
                }
            }
        }

        &.input-lg.select2-container--open {
            @include select2-dropdown-arrow;
        }

        .input-group-lg & {
            &.select2-container--open {
                @include select2-dropdown-arrow;
            }
        }

        /*------------------------------------*\
            #RTL SUPPORT
        \*------------------------------------*/

        &[dir="rtl"] {

            /**
             * Single Select2
             *
             * 1. Makes sure that .select2-selection__placeholder is positioned
             *    correctly.
             */

            .select2-selection--single {
                padding-left: $input-btn-padding-x + $select2-caret-width;
                padding-right: $input-btn-padding-x;

                .select2-selection__rendered {
                    padding-right: 0;
                    padding-left: 0;
                    text-align: right; /* 1 */
                }

                .select2-selection__clear {
                    float: left;
                }

                .select2-selection__arrow {
                    left: $input-btn-padding-x;
                    right: auto;

                    b {
                        margin-left: 0;
                    }
                }
            }

            /**
             * Multiple Select2
             */

            .select2-selection--multiple {
                .select2-selection__choice,
                .select2-selection__placeholder {
                    float: right;
                }

                .select2-selection__choice {
                    margin-left: 0;
                    margin-right: $input-btn-padding-x/2;
                }

                .select2-selection__choice__remove {
                    margin-left: 2px;
                    margin-right: auto;
                }
            }
        }
    }

    /*------------------------------------*\
        #ADDITIONAL GOODIES
    \*------------------------------------*/

    /**
     * Address humhub's validation states
     *
     * If a Select2 widget parent has one of humhub's validation state modifier
     * classes, adjust Select2's border colors and focus states accordingly.
     * You may apply said classes to the Select2 dropdown (body > .select2-container)
     * via JavaScript match humhubs' to make its styles match.
     *
     * $see http://gethumhub.com/css/#forms-control-validation
     */

    .has-warning {
        @include select2-validation-state-focus($warning);
    }

    .is-invalid {
        @include select2-validation-state-focus($danger);
    }

    .has-success {
        @include select2-validation-state-focus($success);
    }

    /**
     * Select2 widgets in humhub Input Groups
     *
     * When Select2 widgets are combined with other elements using humhubs
     * "Input Group" component, we don't want specific edges of the Select2
     * container to have a border-radius.
     *
     * Use .select2-humhub-prepend and .select2-humhub-append on
     * a humhub 3 .input-group to let the contained Select2 widget know which
     * edges should not be rounded as they are directly followed by another element.
     *
     * $see http://gethumhub.com/components/#input-groups
     */

    /**
     * Mimick humhubs .input-group .form-control styles.
     */

    .input-group .select2-container--humhub {
        display: table;
        table-layout: fixed;
        position: relative;
        z-index: 2;
        float: left;
        width: 100%;
        margin-bottom: 0;
    }

    .input-group.select2-humhub-prepend .select2-container--humhub {
        .select2-selection {
            @include border-radius(0);
        }
    }

    .input-group.select2-humhub-append .select2-container--humhub {
        .select2-selection {
            @include border-radius(0);
        }
    }

    /**
     * Adjust alignment of humhub buttons in humhub Input Groups to address
     * Multi Select2's height which - depending on how many elements have been selected -
     * may grow taller than its initial size.
     *
     * $see http://gethumhub.com/components/#input-groups
     */

    .select2-humhub-append,
    .select2-humhub-prepend {
        .select2-container--humhub,
        .input-group,
        .input-group .btn {
            vertical-align: top;
        }
    }

    /**
     * Temporary fix for https://github.com/select2/select2-humhub-theme/issues/9
     *
     * Provides `!important` for certain properties of the class applied to the
     * original `<select>` element to hide it.
     *
     * $see https://github.com/select2/select2/pull/3301
     * $see https://github.com/fk/select2/commit/31830c7b32cb3d8e1b12d5b434dee40a6e753ada
     */

    .form-control.select2-hidden-accessible {
        position: absolute !important;
        width: 1px !important;
    }

    /**
     * Dark Mode styles
     */
    @if $enable-dark-mode {
        @include color-mode(dark, true) {
            .select2-dropdown {
                background: var(--hh-background-color-main);
            }
        }
    }
}
