//
// Copyright 2022 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.
//

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

@use 'sass:math';
@use '@material/animation/functions' as animation-functions;
@use '@material/feature-targeting/feature-targeting';
@use '@material/rtl/rtl';
@use '@material/theme/gss';
@use '@material/theme/theme';
@use './circular-progress-theme';

///
/// Circular progress core styles.
///
@mixin core-styles($query: feature-targeting.all()) {
  @include circular-progress-theme.color(
    circular-progress-theme.$color,
    $query
  );
  @include circular-progress-theme.track-color(
    circular-progress-theme.$track-color,
    $query: $query
  );
  @include static-styles($query);
}

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

  @include feature-targeting.targets($feat-animation) {
    @include container-rotate-keyframes_;
    @include spinner-layer-rotate-keyframes_;
    @include color-1-fade-in-out-keyframes_;
    @include color-2-fade-in-out-keyframes_;
    @include color-3-fade-in-out-keyframes_;
    @include color-4-fade-in-out-keyframes_;
    @include left-spin-keyframes_;
    @include right-spin-keyframes_;
  }

  .mdc-circular-progress {
    @include feature-targeting.targets($feat-structure) {
      display: inline-flex;
      position: relative;
      @include rtl.ignore-next-line();
      direction: ltr;
      line-height: 0;
    }

    @include feature-targeting.targets($feat-animation) {
      transition: animation-functions.exit-temporary(opacity, 250ms);
    }
  }

  .mdc-circular-progress__determinate-container,
  .mdc-circular-progress__indeterminate-circle-graphic,
  .mdc-circular-progress__indeterminate-container,
  .mdc-circular-progress__spinner-layer {
    @include feature-targeting.targets($feat-structure) {
      position: absolute;
      width: 100%;
      height: 100%;
    }
  }

  .mdc-circular-progress__determinate-container {
    @include feature-targeting.targets($feat-structure) {
      @include rtl.ignore-next-line();
      transform: rotate(-90deg);
    }
  }

  .mdc-circular-progress__indeterminate-container {
    @include feature-targeting.targets($feat-structure) {
      // Font size, letter spacing and nowrap are required in order to ignore
      // whitespaces between HTML elements.
      font-size: 0;
      letter-spacing: 0;
      white-space: nowrap;
      opacity: 0;
    }
  }

  .mdc-circular-progress__determinate-circle-graphic,
  .mdc-circular-progress__indeterminate-circle-graphic {
    @include feature-targeting.targets($feat-structure) {
      fill: transparent;
    }
  }

  .mdc-circular-progress__determinate-circle {
    @include feature-targeting.targets($feat-animation) {
      transition: animation-functions.enter(stroke-dashoffset, 500ms);
    }
  }

  .mdc-circular-progress__gap-patch {
    @include feature-targeting.targets($feat-structure) {
      position: absolute;
      top: 0;
      @include rtl.ignore-next-line();
      left: 47.5%;
      box-sizing: border-box;
      width: 5%;
      height: 100%;
      overflow: hidden;
    }

    .mdc-circular-progress__indeterminate-circle-graphic {
      @include feature-targeting.targets($feat-structure) {
        @include rtl.ignore-next-line();
        left: -900%;
        width: 2000%;
        @include rtl.ignore-next-line();
        transform: rotate(180deg);
      }
    }
  }

  .mdc-circular-progress__circle-clipper {
    @include feature-targeting.targets($feat-structure) {
      display: inline-flex;
      position: relative;
      width: 50%;
      height: 100%;
      overflow: hidden;
    }

    .mdc-circular-progress__indeterminate-circle-graphic {
      @include feature-targeting.targets($feat-structure) {
        width: 200%;
      }
    }
  }

  .mdc-circular-progress__circle-right {
    .mdc-circular-progress__indeterminate-circle-graphic {
      @include feature-targeting.targets($feat-structure) {
        @include rtl.ignore-next-line();
        left: -100%;
      }
    }
  }

  .mdc-circular-progress--indeterminate {
    .mdc-circular-progress__determinate-container {
      @include feature-targeting.targets($feat-structure) {
        opacity: 0;
      }
    }

    .mdc-circular-progress__indeterminate-container {
      @include feature-targeting.targets($feat-structure) {
        opacity: 1;
      }
    }

    @include indeterminate-active-animations_($query);
  }

  .mdc-circular-progress--closed {
    @include feature-targeting.targets($feat-structure) {
      opacity: 0;
    }
  }
}

// Private mixins

/// Sets the animations for the indicator in indeterminate mode.
/// @access private
@mixin indeterminate-active-animations_($query: feature-targeting.all()) {
  $feat-animation: feature-targeting.create-target($query, animation);

  .mdc-circular-progress__indeterminate-container {
    @include feature-targeting.targets($feat-animation) {
      $duration: math.div(
        360deg * circular-progress-theme.$arc-time,
        circular-progress-theme.$arc-start-rotation-interval +
          (360 - circular-progress-theme.$arc-size)
      );

      animation: mdc-circular-progress-container-rotate $duration linear
        infinite;
    }
  }

  $spinner-rotate-animation: mdc-circular-progress-spinner-layer-rotate 4 *
    circular-progress-theme.$arc-time circular-progress-theme.$timing-function
    infinite both;

  .mdc-circular-progress__spinner-layer {
    @include feature-targeting.targets($feat-animation) {
      animation: $spinner-rotate-animation;
    }
  }

  @for $i from 1 through 4 {
    $color-fade-in-out-animation: mdc-circular-progress-color-#{$i}-fade-in-out
      4 *
      circular-progress-theme.$arc-time
      circular-progress-theme.$timing-function
      infinite
      both;

    .mdc-circular-progress__color-#{$i} {
      @include feature-targeting.targets($feat-animation) {
        animation: $spinner-rotate-animation, $color-fade-in-out-animation;
      }
    }
  }

  .mdc-circular-progress__circle-left
    .mdc-circular-progress__indeterminate-circle-graphic {
    @include feature-targeting.targets($feat-animation) {
      @include gss.annotate(
        (
          noflip: true,
        )
      );
      animation: mdc-circular-progress-left-spin
        circular-progress-theme.$arc-time
        circular-progress-theme.$timing-function infinite both;
    }
  }

  .mdc-circular-progress__circle-right
    .mdc-circular-progress__indeterminate-circle-graphic {
    @include feature-targeting.targets($feat-animation) {
      @include gss.annotate(
        (
          noflip: true,
        )
      );
      animation: mdc-circular-progress-right-spin
        circular-progress-theme.$arc-time
        circular-progress-theme.$timing-function infinite both;
    }
  }
}

/// Keyframes for the persistent rotation of the outermost container
/// @access private
@mixin container-rotate-keyframes_ {
  @keyframes mdc-circular-progress-container-rotate {
    to {
      @include rtl.ignore-next-line();
      transform: rotate(360deg);
    }
  }
}

/// Keyframes for the rotation of the spinner layer
/// @access private
@mixin spinner-layer-rotate-keyframes_ {
  @keyframes mdc-circular-progress-spinner-layer-rotate {
    @for $i from 1 through 8 {
      #{$i * 12.5}% {
        @include rtl.ignore-next-line();
        transform: rotate($i * 0.5 * circular-progress-theme.$arc-size);
      }
    }
  }
}

/// Keyframes for the fade-in and fade-out of the first color.
/// .99 opacity is used to force subpixel rendering.
/// @access private
@mixin color-1-fade-in-out-keyframes_ {
  @keyframes mdc-circular-progress-color-1-fade-in-out {
    from {
      opacity: 0.99;
    }
    25% {
      opacity: 0.99;
    }
    26% {
      opacity: 0;
    }
    89% {
      opacity: 0;
    }
    90% {
      opacity: 0.99;
    }
    to {
      opacity: 0.99;
    }
  }
}

/// Keyframes for the fade-in and fade-out of the second color.
/// .99 opacity is used to force subpixel rendering.
/// @access private
@mixin color-2-fade-in-out-keyframes_ {
  @keyframes mdc-circular-progress-color-2-fade-in-out {
    from {
      opacity: 0;
    }
    15% {
      opacity: 0;
    }
    25% {
      opacity: 0.99;
    }
    50% {
      opacity: 0.99;
    }
    51% {
      opacity: 0;
    }
    to {
      opacity: 0;
    }
  }
}

/// Keyframes for the fade-in and fade-out of the third color.
/// .99 opacity is used to force subpixel rendering.
/// @access private
@mixin color-3-fade-in-out-keyframes_ {
  @keyframes mdc-circular-progress-color-3-fade-in-out {
    from {
      opacity: 0;
    }
    40% {
      opacity: 0;
    }
    50% {
      opacity: 0.99;
    }
    75% {
      opacity: 0.99;
    }
    76% {
      opacity: 0;
    }
    to {
      opacity: 0;
    }
  }
}

/// Keyframes for the fade-in and fade-out of the fourth color.
/// .99 opacity is used to force subpixel rendering.
/// @access private
@mixin color-4-fade-in-out-keyframes_ {
  @keyframes mdc-circular-progress-color-4-fade-in-out {
    from {
      opacity: 0;
    }
    65% {
      opacity: 0;
    }
    75% {
      opacity: 0.99;
    }
    90% {
      opacity: 0.99;
    }
    to {
      opacity: 0;
    }
  }
}

/// Keyframes for the expansion and contraction of the arc for the
/// left semi-circle.
/// @access private
@mixin left-spin-keyframes_ {
  @keyframes mdc-circular-progress-left-spin {
    from {
      @include rtl.ignore-next-line();
      transform: rotate(265deg);
    }
    50% {
      @include rtl.ignore-next-line();
      transform: rotate(130deg);
    }
    to {
      @include rtl.ignore-next-line();
      transform: rotate(265deg);
    }
  }
}

/// Keyframes for the expansion and contraction of the arc for the
/// right semi-circle.
/// @access private
@mixin right-spin-keyframes_ {
  @keyframes mdc-circular-progress-right-spin {
    from {
      @include rtl.ignore-next-line();
      transform: rotate(-265deg);
    }
    50% {
      @include rtl.ignore-next-line();
      transform: rotate(-130deg);
    }
    to {
      @include rtl.ignore-next-line();
      transform: rotate(-265deg);
    }
  }
}