//
// Copyright 2017 Google Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//

@import "@material/animation/functions";
@import "@material/animation/variables";
@import "@material/checkbox/functions";
@import "@material/checkbox/variables";
@import "@material/elevation/mixins";
@import "@material/density/functions";
@import "@material/feature-targeting/functions";
@import "@material/feature-targeting/mixins";
@import "@material/ripple/mixins";
@import "@material/rtl/mixins";
@import "@material/theme/functions";
@import "@material/theme/mixins";
@import "@material/touch-target/mixins";
@import "@material/typography/mixins";
@import "@material/shape/mixins";
@import "@material/shape/functions";
@import "./variables";

$mdc-chip-ripple-target: ".mdc-chip__ripple";

@mixin mdc-chip-core-styles($query: mdc-feature-all()) {
  @include mdc-chip-without-ripple($query: $query);
  @include mdc-chip-ripple($query: $query);
}

@mixin mdc-chip-without-ripple($query: mdc-feature-all()) {
  $feat-animation: mdc-feature-create-target($query, animation);
  $feat-color: mdc-feature-create-target($query, color);
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-chip-leading-icon-color($mdc-chip-icon-color, $query: $query);
  @include mdc-chip-trailing-icon-color($mdc-chip-icon-color, $query: $query);
  @include mdc-chip-leading-icon-size($mdc-chip-leading-icon-size, $query: $query);
  @include mdc-chip-trailing-icon-size($mdc-chip-trailing-icon-size, $query: $query);
  @include mdc-chip-trailing-icon-margin($query: $query);
  @include mdc-touch-target-wrapper($query);

  .mdc-chip {
    @include mdc-chip-shape-radius(50%, $query: $query);
    @include mdc-chip-fill-color($mdc-chip-fill-color-default, $query: $query);
    @include mdc-chip-ink-color-without-ripple_($mdc-chip-ink-color-default, $query: $query);
    @include mdc-typography(body2, $query: $query);
    @include mdc-chip-density($density-scale: 0, $query: $query);
    @include mdc-chip-leading-icon-margin($query: $query);

    @include mdc-feature-targets($feat-structure) {
      display: inline-flex;
      position: relative;
      align-items: center;
      box-sizing: border-box;
      padding: 0 $mdc-chip-horizontal-padding;
      border-width: 0;
      outline: none;
      cursor: pointer;
      -webkit-appearance: none;

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

    &:hover {
      @include mdc-feature-targets($feat-color) {
        @include mdc-theme-prop(color, on-surface);
      }
    }

    .mdc-chip__touch {
      @include mdc-touch-target($query);
    }
  }

  .mdc-chip--exit {
    @include mdc-feature-targets($feat-color) {
      transition: $mdc-chip-exit-transition;
    }

    @include mdc-feature-targets($feat-structure) {
      opacity: 0;
    }
  }

  .mdc-chip__text {
    @include mdc-feature-targets($feat-structure) {
      white-space: nowrap;
    }
  }

  .mdc-chip__icon {
    @include mdc-feature-targets($feat-structure) {
      border-radius: 50%;
      outline: none;
      vertical-align: middle;
    }
  }

  .mdc-chip__checkmark {
    @include mdc-feature-targets($feat-structure) {
      height: $mdc-chip-leading-icon-size;
    }
  }

  .mdc-chip__checkmark-path {
    @include mdc-feature-targets($feat-animation) {
      transition:
        mdc-checkbox-transition-exit(
          stroke-dashoffset,
          $mdc-chip-checkmark-animation-delay,
          $mdc-chip-checkmark-animation-duration
        );
    }

    @include mdc-feature-targets($feat-structure) {
      stroke-width: 2px;
      stroke-dashoffset: $mdc-checkbox-mark-path-length_;
      stroke-dasharray: $mdc-checkbox-mark-path-length_;
    }
  }

  .mdc-chip__text:focus {
    @include mdc-feature-targets($feat-structure) {
      outline: none;
    }
  }

  .mdc-chip--selected .mdc-chip__checkmark-path {
    @include mdc-feature-targets($feat-structure) {
      stroke-dashoffset: 0;
    }
  }

  .mdc-chip__icon--leading,
  .mdc-chip__icon--trailing {
    @include mdc-feature-targets($feat-structure) {
      // Make these positioned elements, such that they're stacked above the
      // touch target element (`mdc-chip__touch`), so that clicks reach the
      // icons (e.g. for removable input chips).
      position: relative;
    }
  }

  // Change color of selected choice chips

  .mdc-chip-set--choice {
    .mdc-chip {
      @include mdc-chip-selected-ink-color-without-ripple_(primary, $query: $query);
    }

    .mdc-chip--selected {
      @include mdc-feature-targets($feat-color) {
        @include mdc-theme-prop(background-color, surface);
      }
    }
  }

  // Add leading checkmark to filter chips with no leading icon

  .mdc-chip__checkmark-svg {
    @include mdc-feature-targets($feat-structure) {
      width: 0;
      height: $mdc-chip-leading-icon-size;
    }

    @include mdc-feature-targets($feat-animation) {
      transition: width $mdc-chip-width-animation-duration $mdc-animation-standard-curve-timing-function;
    }
  }

  .mdc-chip--selected .mdc-chip__checkmark-svg {
    @include mdc-feature-targets($feat-structure) {
      width: $mdc-chip-leading-icon-size;
    }
  }

  // Add leading checkmark to filter chips with a leading icon

  .mdc-chip-set--filter {
    .mdc-chip__icon--leading {
      @include mdc-feature-targets($feat-animation) {
        transition: opacity $mdc-chip-opacity-animation-duration linear;
        transition-delay: $mdc-chip-leading-icon-delay;
      }

      @include mdc-feature-targets($feat-structure) {
        opacity: 1;
      }

      + .mdc-chip__checkmark {
        @include mdc-feature-targets($feat-animation) {
          transition: opacity $mdc-chip-opacity-animation-duration linear;

          // Delay the checkmark transition.
          transition-delay: $mdc-chip-checkmark-with-leading-icon-delay;
        }

        @include mdc-feature-targets($feat-structure) {
          opacity: 0;
        }

        .mdc-chip__checkmark-svg {
          // stylelint-disable max-nesting-depth

          @include mdc-feature-targets($feat-animation) {
            transition: width 0ms;
          }

          // stylelint-enable max-nesting-depth
        }
      }
    }

    .mdc-chip--selected .mdc-chip__icon--leading {
      @include mdc-feature-targets($feat-structure) {
        opacity: 0;
      }

      + .mdc-chip__checkmark {
        @include mdc-feature-targets($feat-structure) {
          // This ensures that the checkmark has zero width while the leading icon is still animating.
          width: 0;
          opacity: 1;
        }
      }
    }

    .mdc-chip__icon--leading-hidden.mdc-chip__icon--leading {
      @include mdc-feature-targets($feat-structure) {
        width: 0;
      }

      @include mdc-feature-targets($feat-structure) {
        // This ensures that the leading icon doesn't fade in while the checkmark is fading out.
        opacity: 0;
      }

      + .mdc-chip__checkmark {
        @include mdc-feature-targets($feat-structure) {
          width: $mdc-chip-leading-icon-size;
        }
      }
    }
  }
}

@mixin mdc-chip-ripple($query: mdc-feature-all()) {
  @include mdc-ripple-common($query);
  $feat-structure: mdc-feature-create-target($query, structure);

  .mdc-chip {
    @include mdc-ripple-surface($query: $query, $ripple-target: $mdc-chip-ripple-target);
    @include mdc-ripple-radius-bounded($query: $query, $ripple-target: $mdc-chip-ripple-target);
    @include mdc-chip-ink-color-ripple_($mdc-chip-ink-color-default, $query: $query);

    #{$mdc-chip-ripple-target} {
      @include mdc-ripple-target-common($query: $query);

      @include mdc-feature-targets($feat-structure) {
        overflow: hidden;
      }
    }
  }

  .mdc-chip-set--choice {
    .mdc-chip {
      @include mdc-chip-selected-ink-color-ripple_(primary, $query: $query);
    }
  }
}

@mixin mdc-chip-set-core-styles($query: mdc-feature-all()) {
  $feat-animation: mdc-feature-create-target($query, animation);
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-animation) {
    @keyframes mdc-chip-entry {
      from {
        transform: scale(.8);
        opacity: .4;
      }

      to {
        transform: scale(1);
        opacity: 1;
      }
    }
  }

  .mdc-chip-set {
    @include mdc-chip-set-spacing(8px, $query: $query);

    @include mdc-feature-targets($feat-structure) {
      display: flex;
      flex-wrap: wrap;
      box-sizing: border-box;
    }
  }

  .mdc-chip-set--input .mdc-chip {
    @include mdc-feature-targets($feat-animation) {
      animation: mdc-chip-entry 100ms $mdc-animation-deceleration-curve-timing-function;
    }
  }
}

@mixin mdc-chip-shape-radius(
  $radius,
  $rtl-reflexive: false,
  $density-scale: $mdc-chip-density-scale,
  $query: mdc-feature-all()) {

  $height: mdc-density-prop-value(
    $density-config: $mdc-chip-density-config,
    $density-scale: $density-scale,
    $property-name: height,
  );

  @include mdc-shape-radius(
    mdc-shape-resolve-percentage-radius($height, $radius),
    $rtl-reflexive,
    $query: $query);

  #{$mdc-chip-ripple-target} {
    @include mdc-shape-radius(
      mdc-shape-resolve-percentage-radius($height, $radius),
      $rtl-reflexive,
      $query: $query
    );
  }
}

@mixin mdc-chip-fill-color-accessible($color, $query: mdc-feature-all()) {
  $fill-tone: mdc-theme-tone($color);

  @include mdc-chip-fill-color($color, $query: $query);

  @if ($fill-tone == "dark") {
    @include mdc-chip-ink-color(text-primary-on-dark, $query: $query);
    @include mdc-chip-selected-ink-color(text-primary-on-dark, $query: $query);
    @include mdc-chip-leading-icon-color(text-primary-on-dark, $query: $query);
    @include mdc-chip-trailing-icon-color(text-primary-on-dark, $query: $query);
  } @else {
    @include mdc-chip-ink-color(text-primary-on-light, $query: $query);
    @include mdc-chip-selected-ink-color(text-primary-on-light, $query: $query);
    @include mdc-chip-leading-icon-color(text-primary-on-light, $query: $query);
    @include mdc-chip-trailing-icon-color(text-primary-on-light, $query: $query);
  }
}

@mixin mdc-chip-fill-color($color, $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

  @include mdc-feature-targets($feat-color) {
    @include mdc-theme-prop(background-color, $color);
  }
}

@mixin mdc-chip-ink-color($color, $query: mdc-feature-all()) {
  @include mdc-chip-ink-color-ripple_($color, $query: $query);
  @include mdc-chip-ink-color-without-ripple_($color, $query: $query);
}

@mixin mdc-chip-ink-color-without-ripple_($color, $query) {
  $feat-color: mdc-feature-create-target($query, color);

  @include mdc-feature-targets($feat-color) {
    @include mdc-theme-prop(color, $color);
  }

  &:hover {
    @include mdc-feature-targets($feat-color) {
      @include mdc-theme-prop(color, $color);
    }
  }
}

@mixin mdc-chip-ink-color-ripple_($color, $query) {
  @include mdc-states($color, true, $query: $query, $ripple-target: $mdc-chip-ripple-target);
}

@mixin mdc-chip-selected-ink-color($color, $query: mdc-feature-all()) {
  @include mdc-chip-selected-ink-color-ripple_($color, $query: $query);
  @include mdc-chip-selected-ink-color-without-ripple_($color, $query: $query);
}

@mixin mdc-chip-selected-ink-color-without-ripple_($color, $query) {
  $feat-color: mdc-feature-create-target($query, color);

  &.mdc-chip--selected {
    @include mdc-feature-targets($feat-color) {
      @include mdc-theme-prop(color, $color);
    }

    @include mdc-chip-leading-icon-color($color, $query: $query);

    &:hover {
      @include mdc-feature-targets($feat-color) {
        @include mdc-theme-prop(color, $color);
      }
    }
  }

  .mdc-chip__checkmark-path {
    @include mdc-feature-targets($feat-color) {
      @include mdc-theme-prop(stroke, $color);
    }
  }
}

@mixin mdc-chip-selected-ink-color-ripple_($color, $query) {
  &.mdc-chip {
    @include mdc-states-selected(
      $color, $has-nested-focusable-element: true, $query: $query, $ripple-target: $mdc-chip-ripple-target);
  }
}

@mixin mdc-chip-outline(
  $width: 1px,
  $style: solid,
  $color: mdc-theme-prop-value(on-surface),
  $query: mdc-feature-all()) {
  @include mdc-chip-outline-width($width, $query: $query);
  @include mdc-chip-outline-style($style, $query: $query);
  @include mdc-chip-outline-color($color, $query: $query);
}

@mixin mdc-chip-outline-color($color, $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

  @include mdc-feature-targets($feat-color) {
    @include mdc-theme-prop(border-color, $color);
  }
}

@mixin mdc-chip-outline-style($style, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    border-style: $style;
  }
}

@mixin mdc-chip-outline-width($width, $horizontal-padding: $mdc-chip-horizontal-padding, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  // Note: Adjust padding to maintain consistent width with non-outlined chips
  $horizontal-padding-value: max($horizontal-padding - $width, 0);

  @include mdc-feature-targets($feat-structure) {
    padding-right: $horizontal-padding-value;
    padding-left: $horizontal-padding-value;
    border-width: $width;
  }

  #{$mdc-chip-ripple-target} {
    @include mdc-feature-targets($feat-structure) {
      top: -$width;
      left: -$width;
      border: $width solid transparent;
    }
  }
}

@mixin mdc-chip-horizontal-padding($padding, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    padding-right: $padding;
    padding-left: $padding;
  }
}

@mixin mdc-chip-height($height, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    height: $height;
  }
}

@mixin mdc-chip-set-spacing($gap-size, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    padding: $gap-size / 2;
  }

  .mdc-chip {
    @include mdc-feature-targets($feat-structure) {
      margin: $gap-size / 2;
    }
  }

  .mdc-chip--touch {
    @include mdc-touch-target-component(
      $component-height: $mdc-chip-height, $query: $query);
  }
}

@mixin mdc-chip-leading-icon-color($color, $opacity: $mdc-chip-icon-opacity, $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

  .mdc-chip__icon--leading {
    @include mdc-feature-targets($feat-color) {
      color: rgba(mdc-theme-prop-value($color), $opacity);
    }
  }
}

@mixin mdc-chip-trailing-icon-color(
  $color,
  $opacity: $mdc-chip-icon-opacity,
  $hover-opacity: $mdc-chip-trailing-icon-hover-opacity,
  $focus-opacity: $mdc-chip-trailing-icon-focus-opacity,
  $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

  .mdc-chip__icon--trailing {
    @include mdc-feature-targets($feat-color) {
      color: rgba(mdc-theme-prop-value($color), $opacity);
    }

    &:hover {
      @include mdc-feature-targets($feat-color) {
        color: rgba(mdc-theme-prop-value($color), $hover-opacity);
      }
    }

    &:focus {
      @include mdc-feature-targets($feat-color) {
        color: rgba(mdc-theme-prop-value($color), $focus-opacity);
      }
    }
  }
}

// For customizing icon size, we need to increase specifity to ensure
// overrides apply. Styles defined in the .material-icons CSS class are
// loaded separately, so the order of CSS definitions is not guaranteed.

@mixin mdc-chip-leading-icon-size($size, $query: mdc-feature-all()) {
  .mdc-chip__icon.mdc-chip__icon--leading:not(.mdc-chip__icon--leading-hidden) {
    @include mdc-chip-icon-size_($size, $query: $query);
  }
}

@mixin mdc-chip-trailing-icon-size($size, $query: mdc-feature-all()) {
  .mdc-chip__icon.mdc-chip__icon--trailing {
    @include mdc-chip-icon-size_($size, $query: $query);
  }
}

@mixin mdc-chip-icon-size_($size, $query) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    width: $size;
    height: $size;
    font-size: $size;
  }
}

@mixin mdc-chip-leading-icon-margin(
  $left-margin: $mdc-chip-leading-icon-margin-left,
  $right-margin: $mdc-chip-leading-icon-margin-right,
  $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  &.mdc-chip--selected .mdc-chip__checkmark,
  .mdc-chip__icon--leading:not(.mdc-chip__icon--leading-hidden) {
    @include mdc-feature-targets($feat-structure) {
      @include mdc-rtl-reflexive-property(margin, $left-margin, $right-margin);
    }
  }
}

@mixin mdc-chip-trailing-icon-margin(
  $left-margin: $mdc-chip-trailing-icon-margin-left,
  $right-margin: $mdc-chip-trailing-icon-margin-right,
  $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  .mdc-chip__icon--trailing {
    @include mdc-feature-targets($feat-structure) {
      @include mdc-rtl-reflexive-property(margin, $left-margin, $right-margin);
    }
  }
}

@mixin mdc-chip-elevation-transition($query: mdc-feature-all()) {
  $feat-animation: mdc-feature-create-target($query, animation);

  @include mdc-feature-targets($feat-animation) {
    transition: mdc-elevation-transition-value();
  }

  &.mdc-chip--exit {
    @include mdc-feature-targets($feat-animation) {
      transition:
        mdc-elevation-transition-value(),
        $mdc-chip-exit-transition;
    }
  }
}

///
/// Sets the density scale for chips.
///
/// @param {Number | String} $density-scale - Density scale value for component.
///     Supported density scale values are `-2`, `-1`, `0`.
///
@mixin mdc-chip-density($density-scale, $query: mdc-feature-all()) {
  $height: mdc-density-prop-value(
    $density-config: $mdc-chip-density-config,
    $density-scale: $density-scale,
    $property-name: height,
  );

  @include mdc-chip-height($height, $query: $query);

  @if $density-scale != 0 {
    @include mdc-chip-touch-target-reset_($query: $query);
  }
}

///
/// Resets touch target-related styles. This is called from the density mixin to
/// automatically remove the increased touch target, since dense components
/// don't have the same default a11y requirements.
/// @access private
///
@mixin mdc-chip-touch-target-reset_($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  // Selector is necessary here to override original specificity.
  &.mdc-chip--touch {
    @include mdc-feature-targets($feat-structure) {
      margin-top: 0;
      margin-bottom: 0;
    }
  }

  .mdc-chip__touch {
    @include mdc-feature-targets($feat-structure) {
      display: none;
    }
  }
}