//
// Copyright 2017 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

@import "@material/theme/functions";
@import "@material/theme/mixins";
@import "@material/theme/variables"; // for mdc-theme-prop-value
@import "./variables";

//
// Public
//

@mixin mdc-slider-highlight-color($color) {
  &:not(.mdc-slider--disabled) {
    @include mdc-slider-highlight-color_($color);
  }
}

@mixin mdc-slider-rail-color($color, $opacity: $mdc-slider-baseline-rail-opacity) {
  &:not(.mdc-slider--disabled) {
    @include mdc-slider-rail-color_($color, $opacity);
  }
}

@mixin mdc-slider-rail-tick-mark-color($color) {
  &:not(.mdc-slider--disabled) {
    @include mdc-slider-rail-tick-mark-color_($color);
  }
}

@mixin mdc-slider-thumb-color($color) {
  &:not(.mdc-slider--disabled) {
    @include mdc-slider-thumb-color_($color);
  }
}

@mixin mdc-slider-focus-halo-color($color) {
  &:not(.mdc-slider--disabled) {
    .mdc-slider__focus-ring {
      @include mdc-theme-prop(background-color, $color);
    }
  }
}

@mixin mdc-slider-value-pin-ink-color($color) {
  &:not(.mdc-slider--disabled) {
    .mdc-slider__pin {
      @include mdc-theme-prop(color, $color);
    }
  }
}

@mixin mdc-slider-value-pin-fill-color($color) {
  &:not(.mdc-slider--disabled) {
    .mdc-slider__pin {
      @include mdc-theme-prop(background-color, $color);
    }
  }
}

@mixin mdc-slider-value-pin-fill-color-accessible($color) {
  $color-value: mdc-theme-prop-value($color);
  $ink-color: if(mdc-theme-tone($color-value) == "light", text-primary-on-light, text-primary-on-dark);

  @include mdc-slider-value-pin-fill-color($color);
  @include mdc-slider-value-pin-ink-color($ink-color);
}

// NOTE: This mixin sets the color of ALL customizable elements in the slider. If new elements are added, this mixin
// should be updated to cover those additional elements.
@mixin mdc-slider-color-accessible($color) {
  @include mdc-slider-highlight-color($color);
  @include mdc-slider-rail-color($color);
  @include mdc-slider-rail-tick-mark-color($color);
  @include mdc-slider-thumb-color($color);
  @include mdc-slider-focus-halo-color($color);
  @include mdc-slider-value-pin-fill-color-accessible($color);
}

//
// Private
//

@mixin mdc-slider-highlight-color_($color) {
  .mdc-slider__track {
    @include mdc-theme-prop(background-color, $color);
  }
}

@mixin mdc-slider-rail-color_($color, $opacity: $mdc-slider-baseline-rail-opacity) {
  .mdc-slider__track-container {
    @include mdc-theme-prop(background-color, rgba(mdc-theme-prop-value($color), $opacity));
  }
}

@mixin mdc-slider-rail-tick-mark-color_($color) {
  .mdc-slider__track-marker::after,
  .mdc-slider__track-marker-container::after {
    @include mdc-theme-prop(background-color, $color);
  }
}

@mixin mdc-slider-thumb-color_($color) {
  .mdc-slider__thumb {
    @include mdc-theme-prop(fill, $color);
    @include mdc-theme-prop(stroke, $color);
  }
}

@mixin mdc-slider-thumb-stroke-cutout_($color) {
  .mdc-slider__thumb {
    /* @alternate */
    stroke: $color;
    stroke: var(--mdc-slider-bg-color-behind-component, $color);
  }
}