//
// Copyright IBM Corp. 2016, 2023
//
// This source code is licensed under the Apache-2.0 license found in the
// LICENSE file in the root directory of this source tree.
//

//-----------------------------
// Slider
//-----------------------------

@use '../form';
@use '../text-input';
@use '../../config' as *;
@use '../../colors' as *;
@use '../../motion' as *;
@use '../../spacing' as *;
@use '../../theme' as *;
@use '../../type' as *;
@use '../../utilities/focus-outline' as *;
@use '../../utilities/skeleton' as *;
@use '../../utilities/high-contrast-mode' as *;
@use '../../utilities/convert';
@use '../../utilities/custom-property';
@use '../../utilities/visually-hidden' as *;

/// Slider styles
/// @access public
/// @group slider
@mixin slider {
  .#{$prefix}--slider-container {
    position: relative;
    display: flex;
    align-items: center;
    gap: 1rem;
    user-select: none;
  }

  .#{$prefix}--slider {
    position: relative;
    padding: $spacing-05 0;
    cursor: pointer;
    inline-size: 100%;
    max-inline-size: convert.to-rem(640px);
    min-inline-size: convert.to-rem(200px);

    .#{$prefix}--slider-container--two-handles & {
      margin-inline: convert.to-rem(4px);
    }
  }

  .#{$prefix}--slider__range-label {
    @include type-style('body-compact-01');

    color: $text-primary;
    white-space: nowrap;
  }

  .#{$prefix}--slider__track {
    position: absolute;
    background: $border-subtle;
    block-size: convert.to-rem(2px);
    inline-size: 100%;
    transform: translate(0%, -50%);
  }

  .#{$prefix}--slider__track:before {
    position: absolute;
    display: inline-block;
    background: $border-subtle;
    block-size: convert.to-rem(4px);
    content: '';
    inline-size: convert.to-rem(2px);
    inset-block-start: convert.to-rem(-5px);
    inset-inline-start: 50%;
    transform: translate(-50%, 0);
  }

  .#{$prefix}--slider__filled-track {
    position: absolute;
    background: $layer-selected-inverse;
    block-size: convert.to-rem(2px);
    inline-size: 100%;
    pointer-events: none;
    transform: translate(0%, -50%);
    transform-origin: left;
    transition: background $duration-fast-02 motion(standard, productive);
  }

  .#{$prefix}--slider__thumb-wrapper {
    position: absolute;
    z-index: 3;
    block-size: convert.to-rem(14px);
    inline-size: convert.to-rem(14px);
    transform: translate(-50%, -50%);
    @include custom-property.declaration('tooltip-padding-inline', $spacing-03);
    @include custom-property.declaration('popover-offset', $spacing-03);

    .#{$prefix}--slider-container--rtl & {
      transform: translate(50%, -50%);
    }
  }

  .#{$prefix}--slider__thumb-wrapper--lower,
  .#{$prefix}--slider__thumb-wrapper--upper {
    block-size: 24px;
    inline-size: 16px;
    @include custom-property.declaration(
      'popover-offset',
      custom-property.get-var('popover-caret-height', $spacing-03)
    );
  }

  .#{$prefix}--slider__thumb-wrapper--lower {
    transform: translate(-100%, -50%);

    > .#{$prefix}--popover > .#{$prefix}--popover-content {
      transform: translate(
        50%,
        calc(-100% - custom-property.get-var('popover-offset', 0rem))
      );
    }

    > .#{$prefix}--popover > .#{$prefix}--popover-caret {
      inset-inline-start: revert;
      transform: translate(
        50%,
        calc(-1 * custom-property.get-var('popover-offset', 0rem))
      );
    }
  }

  .#{$prefix}--slider-container--rtl .#{$prefix}--slider__thumb-wrapper--lower {
    transform: translate(100%, -50%);

    > .#{$prefix}--popover > .#{$prefix}--popover-content {
      transform: translate(
        0,
        calc(-100% - custom-property.get-var('popover-offset', 0rem))
      );
    }

    > .#{$prefix}--popover > .#{$prefix}--popover-caret {
      transform: translate(
        -50%,
        calc(-1 * custom-property.get-var('popover-offset', 0rem))
      );
    }
  }

  .#{$prefix}--slider__thumb-wrapper--upper {
    transform: translate(0, -50%);

    > .#{$prefix}--popover > .#{$prefix}--popover-content {
      transform: translate(
        -50%,
        calc(-100% - custom-property.get-var('popover-offset', 0rem))
      );
    }

    > .#{$prefix}--popover > .#{$prefix}--popover-caret {
      transform: translate(
        -50%,
        calc(-1 * custom-property.get-var('popover-offset', 0rem))
      );
    }
  }

  .#{$prefix}--slider-container--rtl .#{$prefix}--slider__thumb-wrapper--upper {
    transform: translate(0, -50%);

    > .#{$prefix}--popover > .#{$prefix}--popover-content {
      transform: translate(
        0,
        calc(-100% - custom-property.get-var('popover-offset', 0rem))
      );
    }

    > .#{$prefix}--popover > .#{$prefix}--popover-caret {
      transform: translate(
        50%,
        calc(-1 * custom-property.get-var('popover-offset', 0rem))
      );
    }
  }

  .#{$prefix}--slider__thumb {
    position: absolute;
    border-radius: 50%;
    background: $layer-selected-inverse;
    box-shadow:
      inset 0 0 0 1px transparent,
      inset 0 0 0 2px transparent;
    inset: 0;
    outline: none;
    transition:
      transform $duration-fast-02 motion(standard, productive),
      background $duration-fast-02 motion(standard, productive),
      box-shadow $duration-fast-02 motion(standard, productive);

    &:hover {
      // 20px / 14px = 1.4286
      transform: scale(1.4286);
    }

    &:focus {
      background-color: $interactive;
      box-shadow:
        inset 0 0 0 2px $interactive,
        inset 0 0 0 3px $layer;
      // 20px / 14px = 1.4286
      transform: scale(1.4286);
    }

    &:active {
      box-shadow: inset 0 0 0 2px $interactive;
      transform: scale(1.4286);
    }
  }

  .#{$prefix}--slider__thumb-icon {
    fill: $layer-selected-inverse;
  }

  .#{$prefix}--slider__thumb-icon--focus {
    display: none;
    fill: $interactive;
  }

  .#{$prefix}--slider__thumb--lower,
  .#{$prefix}--slider__thumb--upper {
    position: absolute;
    border-radius: unset;
    background-color: transparent;
    box-shadow: none;
    inset: 0;
    transition: none;

    &::before {
      position: absolute;
      z-index: -1;
      display: block;
      background: $background;
      block-size: convert.to-rem(2px);
      content: '';
      inline-size: convert.to-rem(6px);
      inset-block-start: calc(50% - #{convert.to-rem(2px) * 0.5});
      inset-inline-end: 0;
    }

    &:hover {
      transform: none;

      .#{$prefix}--slider__thumb-icon {
        fill: $text-secondary;
      }
    }

    &:active {
      box-shadow: none;
      transform: none;
    }

    &:focus {
      background-color: transparent;
      box-shadow: none;
      transform: none;

      .#{$prefix}--slider__thumb-icon {
        display: none;
        fill: $interactive;
      }

      .#{$prefix}--slider__thumb-icon--focus {
        display: block;
      }
    }
  }

  .#{$prefix}--slider__thumb--lower:focus::before,
  .#{$prefix}--slider__thumb--upper:focus::before {
    inline-size: 100%;
  }

  .#{$prefix}--slider__thumb--upper {
    transform: none;

    &::before {
      inset-inline: 0 auto;
    }

    &:hover,
    &:active,
    &:focus {
      transform: none;
    }
  }

  .#{$prefix}--slider__input {
    display: none;
  }

  .#{$prefix}--slider-text-input-wrapper {
    position: relative;
  }

  .#{$prefix}--slider-text-input-wrapper--hidden {
    display: none;
  }

  .#{$prefix}--slider-text-input,
  .#{$prefix}-slider-text-input {
    -moz-appearance: textfield;
    appearance: textfield;
    block-size: convert.to-rem(40px);
    inline-size: convert.to-rem(64px);

    &::-webkit-outer-spin-button,
    &::-webkit-inner-spin-button {
      display: none;
    }
  }

  .#{$prefix}--slider__thumb:focus ~ .#{$prefix}--slider__filled-track,
  .#{$prefix}--slider__thumb-wrapper:focus-within
    ~ .#{$prefix}--slider__filled-track {
    background-color: $border-interactive;
  }

  // Invalid & warn state
  .#{$prefix}--slider-text-input.#{$prefix}--text-input--invalid,
  .#{$prefix}--slider-text-input--warn {
    inline-size: 6rem;
    padding-inline-end: $spacing-09;
  }

  .#{$prefix}--slider__invalid-icon {
    position: absolute;
    fill: $support-error;
    // top/transform used to center invalid icon in IE11
    inset-block-start: 50%;
    inset-inline-end: $spacing-05;
    transform: translateY(-50%);
  }

  .#{$prefix}--slider__validation-msg.#{$prefix}--form-requirement {
    display: block;
    overflow: visible;
    max-block-size: 100%;
  }

  .#{$prefix}--slider__validation-msg--invalid {
    color: $text-error;
  }

  .#{$prefix}--slider__invalid-icon.#{$prefix}--slider__invalid-icon--warning {
    fill: $support-warning;
  }

  .#{$prefix}--slider__invalid-icon--warning path:first-of-type {
    fill: $black-100;
    opacity: 1;
  }

  // Disabled state
  .#{$prefix}--label--disabled
    ~ .#{$prefix}--slider-container
    > .#{$prefix}--slider__range-label {
    color: $text-disabled;
  }

  .#{$prefix}--slider--disabled.#{$prefix}--slider {
    cursor: not-allowed;
  }

  .#{$prefix}--slider--disabled .#{$prefix}--slider__thumb {
    background-color: $border-disabled;

    &:hover {
      cursor: not-allowed;
      transform: none;
    }

    &:focus {
      background-color: $border-disabled;
      box-shadow: none;
      outline: none;
      transform: none;
    }

    &:active {
      background: $border-disabled;
      box-shadow: none;
      transform: none;
    }
  }

  .#{$prefix}--slider--disabled .#{$prefix}--slider__thumb--lower,
  .#{$prefix}--slider--disabled .#{$prefix}--slider__thumb--upper {
    background-color: transparent;

    &:active,
    &:hover,
    &:focus {
      background-color: transparent;
      transform: none;
    }

    .#{$prefix}--slider__thumb-icon {
      fill: $border-disabled;
    }
  }

  .#{$prefix}--slider--disabled .#{$prefix}--slider__track,
  .#{$prefix}--slider--disabled .#{$prefix}--slider__filled-track,
  .#{$prefix}--slider--disabled
    .#{$prefix}--slider__thumb:focus
    ~ .#{$prefix}--slider__filled-track {
    background-color: $border-disabled;
  }

  .#{$prefix}--slider--disabled
    ~ .#{$prefix}--form-item
    .#{$prefix}--slider-text-input,
  .#{$prefix}--slider--disabled ~ .#{$prefix}--slider-text-input {
    border: none;
    background-color: $field;
    color: $text-disabled;
    cursor: not-allowed;
    transition: none;

    &:active,
    &:focus,
    &:hover {
      color: $text-disabled;
      outline: none;
    }
  }

  // readonly state
  .#{$prefix}--slider--readonly {
    cursor: default;
  }

  .#{$prefix}--slider-container--readonly .#{$prefix}--slider__thumb {
    block-size: 0;
    inline-size: 0;

    &::before,
    &::after {
      display: none;
    }
  }

  .#{$prefix}--slider-container--readonly .#{$prefix}--slider-text-input {
    background-color: transparent;
  }

  .#{$prefix}--slider__status-msg.#{$prefix}--form-requirement {
    display: block;
    overflow: visible;
    max-block-size: 100%;
  }

  // Skeleton state
  .#{$prefix}--slider-container.#{$prefix}--skeleton
    .#{$prefix}--slider__range-label {
    @include skeleton;

    block-size: convert.to-rem(12px);
    inline-size: convert.to-rem(20px);
  }

  .#{$prefix}--slider-container.#{$prefix}--skeleton
    .#{$prefix}--slider__track {
    cursor: default;
    pointer-events: none;
  }

  .#{$prefix}--slider-container.#{$prefix}--skeleton {
    .#{$prefix}--slider__thumb-wrapper {
      inset-inline-start: 50%;
    }

    .#{$prefix}--slider__thumb {
      cursor: default;
      pointer-events: none;
    }

    .#{$prefix}--slider__thumb-wrapper--lower {
      inset-inline-start: 0;
    }

    .#{$prefix}--slider__thumb-wrapper--upper {
      inset-inline-start: 100%;
    }
  }

  // With hidden input
  .#{$prefix}--popover-container.#{$prefix}--slider__thumb-wrapper {
    position: absolute;
  }

  // Windows HCM fix

  .#{$prefix}--slider__thumb {
    @include high-contrast-mode('outline');
  }
  .#{$prefix}--slider__thumb:focus {
    @include high-contrast-mode('focus');
  }
  .#{$prefix}--slider__track {
    @include high-contrast-mode('outline');
  }
}