//
// Copyright 2018 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.
//

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

@use 'sass:math';
@use '@material/density/functions' as density-functions;
@use '@material/feature-targeting/feature-targeting';
@use '@material/ripple/ripple';
@use '@material/ripple/ripple-theme';
@use '@material/rtl/mixins' as rtl;
@use '@material/theme/theme';
@use './variables';

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

@mixin without-ripple($query: feature-targeting.all()) {
  $feat-structure: feature-targeting.create-target($query, structure);

  // postcss-bem-linter: define icon-button
  .mdc-icon-button {
    @include base_($query: $query);
    @include density(0, $query: $query);
  }

  .mdc-icon-button__icon {
    @include feature-targeting.targets($feat-structure) {
      display: inline-block;
    }

    // stylelint-disable-next-line plugin/selector-bem-pattern
    &.mdc-icon-button__icon--on {
      @include feature-targeting.targets($feat-structure) {
        display: none;
      }
    }
  }

  .mdc-icon-button--on {
    .mdc-icon-button__icon {
      @include feature-targeting.targets($feat-structure) {
        display: none;
      }

      // stylelint-disable-next-line plugin/selector-bem-pattern
      &.mdc-icon-button__icon--on {
        @include feature-targeting.targets($feat-structure) {
          display: inline-block;
        }
      }
    }
  }
  // postcss-bem-linter: end
}

@mixin ripple($query: feature-targeting.all()) {
  @include ripple.common($query); // COPYBARA_COMMENT_THIS_LINE

  .mdc-icon-button {
    @include ripple.surface($query: $query);
    @include ripple.radius-unbounded($query: $query);
    @include ripple-theme.states($query: $query);
  }
}

///
/// Sets the density scale for icon button.
///
/// @param {Number | String} $density-scale - Density scale value for component.
///     Supported density scale values range from `-5` to `0`, with `0` being the default.
///
@mixin density($density-scale, $query: feature-targeting.all()) {
  $size: density-functions.prop-value(
    $density-config: variables.$density-config,
    $density-scale: $density-scale,
    $property-name: size,
  );

  @include size($size, $query: $query);
}

///
/// Sets the size of the icon-button.
///
/// @param {Number} $size - Size value for icon-button.
///     Size will set the width, height, and padding for the overall component.
///
@mixin size($size, $query: feature-targeting.all()) {
  $feat-structure: feature-targeting.create-target($query, structure);

  @include feature-targeting.targets($feat-structure) {
    width: $size;
    height: $size;
    padding: ($size - variables.$icon-size) / 2;
  }
}

///
/// Sets the width, height and padding of icon button. Also changes the size of
/// the icon itself based on button size.
///
/// @param {Number} $width - Width value for icon-button.
/// @param {Number} $height - Height value for icon-button. (default: $width)
/// @param {Number} $padding - Padding value for icon-button. (default: max($width, $height) / 2)
/// @deprecated
///     This mixin provides too much of low level customization.
///     Please use mdc-icon-button-size instead.
///
@mixin icon-size(
  $width,
  $height: $width,
  $padding: math.max($width, $height) / 2,
  $query: feature-targeting.all()
) {
  $feat-structure: feature-targeting.create-target($query, structure);

  @include feature-targeting.targets($feat-structure) {
    width: $width + $padding * 2;
    height: $height + $padding * 2;
    padding: $padding;
    font-size: math.max($width, $height);
  }

  // stylelint-disable-next-line selector-max-type
  svg,
  img {
    @include feature-targeting.targets($feat-structure) {
      width: $width;
      height: $height;
    }
  }
}

///
/// Sets the font color and the ripple color to the provided color value.
/// @param {Color} $color - The desired font and ripple color.
///
@mixin ink-color($color, $query: feature-targeting.all()) {
  @include ink-color_($color, $query: $query);
  @include ripple-theme.states($color, $query: $query);
}

///
/// Flips icon only in RTL context.
///
@mixin flip-icon-in-rtl($query: feature-targeting.all()) {
  $feat-structure: feature-targeting.create-target($query, structure);

  .mdc-button__icon {
    @include rtl.rtl {
      @include feature-targeting.targets($feat-structure) {
        /* @noflip */
        transform: rotate(180deg);
      }
    }
  }
}

///
/// Sets the font color to the provided color value for a disabled icon button.
/// @param {Color} $color - The desired font color.
///
@mixin disabled-ink-color($color, $query: feature-targeting.all()) {
  @include if-disabled_ {
    @include ink-color_($color, $query: $query);
  }
}

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

  @include feature-targeting.targets($feat-structure) {
    display: inline-block;
    position: relative;
    box-sizing: border-box;
    border: none;
    outline: none;
    background-color: transparent;
    fill: currentColor;
    color: inherit;
    font-size: variables.$icon-size;
    text-decoration: none;
    cursor: pointer;
    user-select: none;
  }

  // stylelint-disable-next-line selector-max-type
  svg,
  img {
    @include feature-targeting.targets($feat-structure) {
      width: variables.$icon-size;
      height: variables.$icon-size;
    }
  }

  @include disabled-ink-color(text-disabled-on-light, $query: $query);

  @include if-disabled_ {
    @include feature-targeting.targets($feat-structure) {
      cursor: default;
      pointer-events: none;
    }
  }
}

///
/// Sets the font color to the provided color value. This can be wrapped in
/// a state qualifier such as `mdc-icon-button-if-disabled_`.
/// @access private
///
@mixin ink-color_($color, $query: feature-targeting.all()) {
  $feat-color: feature-targeting.create-target($query, color);

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

///
/// Helps style the icon button in its disabled state.
/// @access private
///
@mixin if-disabled_ {
  &:disabled {
    @content;
  }
}