//
// Copyright IBM Corp. 2016, 2018
//
// This source code is licensed under the Apache-2.0 license found in the
// LICENSE file in the root directory of this source tree.
//

@import '../../globals/scss/vars';
@import '../../globals/scss/typography';
@import '../../globals/scss/helper-mixins';
@import '../../globals/scss/css--reset';
@import '../../globals/scss/vendor/@carbon/elements/scss/import-once/import-once';

/// Content switcher styles
/// @access private
/// @group content-switcher
@mixin content-switcher {
  .#{$prefix}--content-switcher {
    display: flex;
    width: 100%;
    height: rem(40px);
    justify-content: space-evenly;
  }

  .#{$prefix}--content-switcher--sm {
    height: rem(32px);
  }

  // TODO V11: Remove xl selector
  .#{$prefix}--content-switcher--xl,
  .#{$prefix}--content-switcher--lg {
    height: rem(48px);
  }

  .#{$prefix}--content-switcher-btn {
    @include reset;
    @include type-style('body-short-01');
    @include focus-outline('reset');

    position: relative;
    display: inline-flex;
    overflow: hidden;
    width: 100%;
    align-items: center;
    padding: $carbon--spacing-03 $carbon--spacing-05;
    border: none;
    border-top: rem(1px) solid $border-inverse;
    border-bottom: rem(1px) solid $border-inverse;
    margin: 0;
    background-color: transparent;
    color: $text-secondary;
    text-align: left;
    text-decoration: none;
    transition: all $duration--moderate-01 motion(standard, productive);
    white-space: nowrap;

    &::after {
      position: absolute;
      top: 0;
      left: 0;
      display: block;
      width: 100%;
      height: 100%;
      background-color: $layer-selected-inverse;
      content: '';
      transform: scaleY(0);
      transform-origin: bottom;
      transition: all $duration--moderate-01 motion(standard, productive);

      @media (prefers-reduced-motion: reduce) {
        transition: none;
      }
    }

    &:disabled::after {
      display: none;
    }

    &:focus {
      z-index: 3;
      border-color: $focus;
      box-shadow: inset 0 0 0 2px $focus, inset 0 0 0 3px $focus-inset;
    }

    &:focus::after {
      clip-path: inset(3px 3px 3px 3px);
    }

    &:hover {
      color: $text-primary;
      cursor: pointer;
    }

    &:hover,
    &:active {
      z-index: 3;
      background-color: $layer-hover;
      color: $text-primary;
    }

    &:disabled {
      border-color: $border-disabled;
      background-color: transparent;
      color: $text-disabled;

      &:hover {
        cursor: not-allowed;
      }
    }

    &:disabled:first-child,
    &:disabled:last-child {
      border-color: $border-disabled;
    }
  }

  .#{$prefix}--content-switcher-btn:first-child {
    border-left: rem(1px) solid $border-inverse;
    border-bottom-left-radius: rem(4px);
    border-top-left-radius: rem(4px);
  }

  .#{$prefix}--content-switcher-btn:last-child {
    border-right: rem(1px) solid $border-inverse;
    border-bottom-right-radius: rem(4px);
    border-top-right-radius: rem(4px);
  }

  .#{$prefix}--content-switcher--selected,
  .#{$prefix}--content-switcher--selected:first-child,
  .#{$prefix}--content-switcher--selected:last-child {
    border: 0;
  }

  .#{$prefix}--content-switcher-btn::before {
    position: absolute;
    z-index: 2;
    left: 0;
    display: block;
    width: rem(1px);
    height: rem(16px);
    background-color: $border-subtle;
    content: '';
  }

  .#{$prefix}--content-switcher-btn:first-of-type::before {
    display: none;
  }

  .#{$prefix}--content-switcher-btn:focus::before,
  .#{$prefix}--content-switcher-btn:focus
    + .#{$prefix}--content-switcher-btn::before,
  .#{$prefix}--content-switcher-btn:hover::before,
  .#{$prefix}--content-switcher-btn:hover
    + .#{$prefix}--content-switcher-btn::before,
  .#{$prefix}--content-switcher--selected::before,
  .#{$prefix}--content-switcher--selected
    + .#{$prefix}--content-switcher-btn::before {
    background-color: transparent;
  }

  .#{$prefix}--content-switcher-btn:disabled::before,
  .#{$prefix}--content-switcher-btn:disabled:hover
    + .#{$prefix}--content-switcher-btn:disabled::before {
    background-color: $border-disabled;
  }

  .#{$prefix}--content-switcher-btn.#{$prefix}--content-switcher--selected:disabled
    + .#{$prefix}--content-switcher-btn::before,
  .#{$prefix}--content-switcher-btn.#{$prefix}--content-switcher--selected:disabled:hover
    + .#{$prefix}--content-switcher-btn::before {
    background-color: transparent;
  }

  .#{$prefix}--content-switcher__icon {
    fill: $icon-secondary;
    transition: fill $duration--fast-01 motion(standard, productive);
  }

  .#{$prefix}--content-switcher__icon + span {
    margin-left: $carbon--spacing-03;
  }

  .#{$prefix}--content-switcher__label {
    z-index: 1;
    overflow: hidden;
    max-width: 100%;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .#{$prefix}--content-switcher-btn:hover .#{$prefix}--content-switcher__icon,
  .#{$prefix}--content-switcher-btn:focus .#{$prefix}--content-switcher__icon {
    fill: $icon-primary;
  }

  .#{$prefix}--content-switcher-btn.#{$prefix}--content-switcher--selected {
    z-index: 3;
    background-color: $layer-selected-inverse;
    color: $text-inverse;

    &::after {
      transform: scaleY(1);
    }

    &:disabled {
      background-color: $layer-selected-disabled;
      color: $text-disabled;
    }
  }

  .#{$prefix}--content-switcher-btn.#{$prefix}--content-switcher--selected
    .#{$prefix}--content-switcher__icon {
    fill: $icon-inverse;
  }

  // Windows HCM fix
  // stylelint-disable-next-line no-duplicate-selectors
  .#{$prefix}--content-switcher-btn:focus {
    @include high-contrast-mode('focus');
  }
}

@include exports('content-switcher') {
  @include content-switcher;
}