//
// Copyright 2020 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.
//

// Core: Define complete styles to render component segment, including base and theme styles

// stylelint-disable selector-class-pattern --
// Selector '.mdc-*' should only be used in this project.

@use '../../feature-targeting/feature-targeting';
@use '../../typography/typography';
@use '../../touch-target/touch-target';
@use '../../elevation/elevation';
@use '../../elevation/elevation-theme';
@use './segment-theme';

@mixin core-styles($query: feature-targeting.all()) {
  $feat-animation: feature-targeting.create-target($query, animation);
  $feat-color: feature-targeting.create-target($query, color);
  $feat-structure: feature-targeting.create-target($query, structure);

  @include touch-target.wrapper($query);
  @include elevation.overlay-common($query);

  @include _unselected($query);
  @include _selected($query);

  .mdc-segmented-button__segment {
    @include base($query);

    &:hover {
      @include feature-targeting.targets($feat-structure) {
        cursor: pointer;
      }
    }

    // Removes ripple's focus outline
    &:focus {
      @include feature-targeting.targets($feat-structure) {
        outline-width: 0;
      }
    }

    &:first-child {
      @include feature-targeting.targets($feat-structure) {
        border-radius: segment-theme.$border-radius 0 0
          segment-theme.$border-radius;
      }
    }

    &:last-child {
      @include feature-targeting.targets($feat-structure) {
        border-right-width: segment-theme.$border-width;
        border-radius: 0 segment-theme.$border-radius
          segment-theme.$border-radius 0;
      }
    }

    .mdc-segmented-button__segment__touch {
      @include touch-target.touch-target($query: $query);
    }

    .mdc-segmented-button__segment--touch {
      @include touch-target.margin(
        $component-height: segment-theme.$touch-target-height,
        $query: $query
      );
    }
  }

  // maintains visual design when inside a touch-target-wrapper
  // This could also be accomplished with --first/--last classes
  .mdc-touch-target-wrapper {
    .mdc-segmented-button__segment {
      border-radius: 0;
      border-right-width: 0;
    }

    &:first-child .mdc-segmented-button__segment {
      @include feature-targeting.targets($feat-structure) {
        border-radius: segment-theme.$border-radius 0 0
          segment-theme.$border-radius;
      }
    }

    &:last-child .mdc-segmented-button__segment {
      @include feature-targeting.targets($feat-structure) {
        border-right-width: segment-theme.$border-width;
        border-radius: 0 segment-theme.$border-radius
          segment-theme.$border-radius 0;
      }
    }
  }

  .mdc-segmented-button__icon {
    @include icon($query);
  }

  .mdc-segmented-button__icon + .mdc-segmented-button__label {
    @include label($query);
  }
}

@mixin base($query: feature-targeting.all()) {
  $feat-structure: feature-targeting.create-target($query, structure);

  // elevation mixins contain ripple effect to segment boundaries
  @include elevation-theme.overlay-surface-position($query: $query);
  @include elevation-theme.overlay-dimensions(100%, $query: $query);
  @include typography.typography(button, $query);
  @include feature-targeting.targets($feat-structure) {
    display: inline-flex;
    vertical-align: top;
    align-items: center;
    height: segment-theme.$height;
    min-width: segment-theme.$min-width;
    padding: 0 segment-theme.$horizontal-padding;
    border-width: segment-theme.$border-width 0 segment-theme.$border-width
      segment-theme.$border-width;
  }
}

@mixin _unselected($query: feature-targeting.all()) {
  @include segment-theme.outline-color(segment-theme.$outline-color, $query);
  @include segment-theme.unselected-ink-color(
    segment-theme.$unselected-ink-color,
    $query
  );
  @include segment-theme.unselected-container-fill-color(
    segment-theme.$unselected-container-fill-color,
    $query
  );
}

@mixin _selected($query: feature-targeting.all()) {
  @include segment-theme.selected-ink-color(
    segment-theme.$selected-ink-color,
    $query
  );
  @include segment-theme.selected-container-fill-color(
    segment-theme.$selected-container-fill-color,
    $query
  );
}

@mixin icon($query: feature-targeting.all()) {
  $feat-structure: feature-targeting.create-target($query, structure);
  $feat-typography: feature-targeting.create-target($query, typography);

  @include feature-targeting.targets($feat-structure) {
    width: segment-theme.$icon-width;
  }
  @include feature-targeting.targets($feat-typography) {
    font-size: segment-theme.$icon-font-size;
  }
}

@mixin label($query: feature-targeting.all()) {
  $feat-structure: feature-targeting.create-target($query, structure);

  @include feature-targeting.targets($feat-structure) {
    padding-left: segment-theme.$label-padding;
  }
}
