@use "sass:map";
@use "../../mixins/index.scss" as *;
@use "../../functions/index.scss" as *;
@use "../../border-radii/index.scss" as *;
@use "../../color-system/_constants.scss" as *;
@use "./_variables.scss" as *;
@use "../icons/_variables.scss" as *;
@use "../../z-index/index.scss" as *;
@use "../../motion/index.scss" as *;

@mixin kendo-button--layout-base() {

    // Button
    .k-button {
        box-sizing: border-box;
        border-width: $kendo-button-border-width;
        border-style: solid;
        color: inherit;
        background: none;
        font-family: $kendo-button-font-family;
        font-weight: $kendo-button-font-weight;
        text-align: center;
        text-decoration: none;
        white-space: nowrap;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: $kendo-button-gap;
        vertical-align: middle;
        user-select: none;
        cursor: pointer;
        outline: none;
        -webkit-appearance: none;
        position: relative;
        transition: $kendo-button-transition;

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        &:disabled,
        &.k-disabled {
            box-shadow: none;
        }

        &::-moz-focus-inner {
            padding: 0;
            border: 0;
            outline: 0;
        }

        &:hover,
        &:focus {
            text-decoration: none;
            outline: 0;
        }

        // Roundness
        @each $roundness in $kendo-button-roundness {
            #{k-when-default($kendo-button-default-roundness, $roundness)}
            &.k-rounded-#{$roundness} {
                border-radius: k-border-radius($roundness);
            }
        }
        // Null by default, overrides default border-radius
        border-radius: $kendo-button-border-radius;

        // Sizes
        @each $size, $size-props in $kendo-button-sizes {
            $_padding-x: map.get( $size-props, padding-x );
            $_padding-y: map.get( $size-props, padding-y );
            $_font-size: map.get( $size-props, font-size );
            $_line-height: map.get( $size-props, line-height );

            #{k-when-default($kendo-button-default-size, $size)}
            &.k-button-#{$size} {
                padding-block: $_padding-y;
                padding-inline: $_padding-x;
                font-size: $_font-size;
                line-height: $_line-height;

                &.k-icon-button {
                    padding: $_padding-y;

                    .k-button-icon {
                        min-width: calc( #{$_font-size} * #{$_line-height} );
                        min-height: calc( #{$_font-size} * #{$_line-height} );
                        display: inline-flex;
                        align-items: center;
                        justify-content: center;

                        &.k-svg-icon > svg,
                        &.k-icon-md > svg {
                            width: $kendo-icon-size-md;
                            height: $kendo-icon-size-md;
                        }

                        &.k-icon-xs > svg {
                            width: $kendo-icon-size-xs;
                            height: $kendo-icon-size-xs;
                        }

                        &.k-icon-sm > svg {
                            width: $kendo-icon-size-sm;
                            height: $kendo-icon-size-sm;
                        }

                        &.k-icon-lg > svg {
                            width: $kendo-icon-size-lg;
                            height: $kendo-icon-size-lg;
                        }

                        &.k-icon-xl > svg {
                            width: $kendo-icon-size-xl;
                            height: $kendo-icon-size-xl;
                        }

                        &.k-icon-xxl > svg {
                            width: $kendo-icon-size-xxl;
                            height: $kendo-icon-size-xxl;
                        }

                        &.k-icon-xxxl > svg {
                            width: $kendo-icon-size-xxxl;
                            height: $kendo-icon-size-xxxl;
                        }
                    }
                }
            }

        }


        // Flat button
        #{k-when-default($kendo-button-default-fill-mode, "flat")}
        &.k-button-flat {

            // Overlay background
            &::before {
                display: block !important; // stylelint-disable-line declaration-no-important
            }

            // Focus ring
            &::after {
                box-shadow: inset 0 0 0 2px currentColor;
                display: block !important; // stylelint-disable-line declaration-no-important
            }

            &:focus::after,
            &.k-focus::after {
                opacity: $kendo-flat-button-focus-ring-opacity;
            }
        }

        // Link button
        #{k-when-default($kendo-button-default-fill-mode, "link")}
        &.k-button-link {
            text-decoration: none;

            &:hover,
            &.k-hover {
                text-decoration: underline;
            }
        }
    }


    // Icon Button
    .k-icon-button {
        gap: 0;

        .k-icon {
            display: inline-flex;
        }
    }


    // Content
    .k-button-icon {
        color: inherit;
        align-self: center;
        position: relative;
    }

    .k-button-text {}



    // Button shape
    .k-button-square {
        aspect-ratio: 1;
    }


    // Button group
    .k-button-group {
        margin: 0;
        padding: 0;
        border-width: 0;
        box-sizing: border-box;
        list-style: none;
        outline: 0;
        display: inline-flex;
        flex-flow: row nowrap;
        vertical-align: middle;
        position: relative;
        -webkit-touch-callout: none;
        -webkit-tap-highlight-color: $kendo-color-rgba-transparent;

        > .k-button + .k-button {
            margin-inline-start: if( $kendo-button-border-width == 0, null, calc( -1 * $kendo-button-border-width ) );
        }

        > .k-button:hover,
        > .k-button.k-hover,
        > .k-button:focus,
        > .k-button.k-focus,
        > .k-button:active,
        > .k-button.k-active,
        > .k-button.k-selected {
            z-index: k-z-index("base", 2);
        }

        .k-button:not(:first-child):not(:last-child) {
            border-start-end-radius: 0;
            border-end-end-radius: 0;
            border-start-start-radius: 0;
            border-end-start-radius: 0;
        }
        > .k-button:first-child:not(:only-child) {
            border-start-end-radius: 0;
            border-end-end-radius: 0;
        }
        > .k-button:last-child:not(:only-child) {
            border-start-start-radius: 0;
            border-end-start-radius: 0;
        }
    }

    .k-button-group-stretched {
        width: 100%;

        > * {
            flex: 1 0 0%;
            overflow: hidden;
        }
    }

    // Button overlay
    .k-button-overlay {
        @include border-radius( inherit );
        content: "";
        background: currentColor;
        opacity: 0;
        display: none;
        pointer-events: none;
        position: absolute;
        inset-inline-start: calc( -1 * $kendo-button-border-width );
        inset-inline-end: calc( -1 * $kendo-button-border-width );
        inset-block-start: calc( -1 * $kendo-button-border-width );
        inset-block-end: calc( -1 * $kendo-button-border-width );
        z-index: k-z-index("base");
        transition: opacity k-transition(rapid);
    }


    .k-button { // stylelint-disable-line

        &::before {
            @extend .k-button-overlay !optional;
        }

        // Hovered state
        &:hover,
        &.k-hover {
            &::before {
                opacity: $kendo-flat-button-hover-opacity;
            }
        }

        // Focused state
        &:focus,
        &.k-focus {
            &::before {
                opacity: $kendo-flat-button-focus-opacity;
            }
        }
        &.k-no-focus:not(:hover),
        &.k-no-focus:not(.k-hover) {
            &::before {
                opacity: 0;
            }
        }

        // Active state
        &:active,
        &.k-active {
            &::before {
                opacity: $kendo-flat-button-active-opacity;
            }
        }

        // Selected state
        &.k-selected {
            &::before {
                opacity: $kendo-flat-button-selected-opacity;
            }
        }

    }


    // Button focus ring
    .k-button { // stylelint-disable-line

        &::after {
            @include border-radius( inherit );
            content: "";
            opacity: 0;
            display: none;
            pointer-events: none;
            position: absolute;
            inset-inline-start: calc( -1 * $kendo-button-border-width );
            inset-inline-end: calc( -1 * $kendo-button-border-width );
            inset-block-start: calc( -1 * $kendo-button-border-width );
            inset-block-end: calc( -1 * $kendo-button-border-width );
            z-index: k-z-index("base");
            transition: opacity k-transition(rapid);
        }
    }

    // Button generating state
    .k-button.k-generating {
        animation: k-button-pulsing 1.5s ease-in-out 0.5s infinite;
    }

    @keyframes k-button-pulsing {
        0% {
            opacity: 1;
        }
        50% {
            opacity: $kendo-button-pulsing-opacity;
        }
        100% {
            opacity: 1;
        }
    }

}