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

//
// Public
//

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

  @include mdc-feature-targets($feat-animation) {
    @include mdc-linear-progress-primary-indeterminate-translate-keyframes_;
    @include mdc-linear-progress-primary-indeterminate-scale-keyframes_;
    @include mdc-linear-progress-secondary-indeterminate-translate-keyframes_;
    @include mdc-linear-progress-secondary-indeterminate-scale-keyframes_;
    @include mdc-linear-progress-buffering-keyframes_;
    @include mdc-linear-progress-primary-indeterminate-translate-reverse-keyframes_;
    @include mdc-linear-progress-secondary-indeterminate-translate-reverse-keyframes_;
    @include mdc-linear-progress-buffering-reverse-keyframes_;
  }

  .mdc-linear-progress {
    @include mdc-feature-targets($feat-structure) {
      position: relative;
      width: 100%;
      height: $mdc-linear-progress-height;
      transform: translateZ(0);
      // Create a border around the bar in Windows High Contrast Mode.
      outline: 1px solid transparent;
      overflow: hidden;
    }

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

    &__bar {
      @include mdc-feature-targets($feat-structure) {
        position: absolute;
        width: 100%;
        height: 100%;
        animation: none;
        transform-origin: top left;
      }

      @include mdc-feature-targets($feat-animation) {
        transition: mdc-animation-exit-temporary(transform, 250ms);
      }
    }

    &__bar-inner {
      @include mdc-feature-targets($feat-structure) {
        display: inline-block;
        position: absolute;
        width: 100%;
        animation: none;
        // border-top is used rather than background-color to ensure that the
        // bar is visible in Windows High Contrast Mode.
        border-top: $mdc-linear-progress-height solid;
      }
    }

    &__buffering-dots {
      @include mdc-feature-targets($feat-structure) {
        position: absolute;
        width: 100%;
        height: 100%;
        background-repeat: repeat-x;
        background-size: 10px $mdc-linear-progress-height;
      }

      @include mdc-feature-targets($feat-animation) {
        animation: mdc-linear-progress-buffering 250ms infinite linear;
      }
    }

    &__buffer {
      @include mdc-feature-targets($feat-structure) {
        position: absolute;
        width: 100%;
        height: 100%;
        transform-origin: top left;
      }

      @include mdc-feature-targets($feat-animation) {
        transition: mdc-animation-exit-temporary(transform, 250ms);
      }
    }

    &__primary-bar {
      @include mdc-feature-targets($feat-structure) {
        transform: scaleX(0);
      }
    }

    &__secondary-bar {
      @include mdc-feature-targets($feat-structure) {
        visibility: hidden;
      }
    }

    @include mdc-linear-progress-indeterminate_($query: $query);
    @include mdc-linear-progress-reversed_($query: $query);

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

      @include mdc-feature-targets($feat-animation) {
        animation: none;
      }
    }
  }

  @at-root {
    @include mdc-linear-progress-bar-color(primary, $query: $query);
    @include mdc-linear-progress-buffer-color($mdc-linear-progress-baseline-buffer-color, $query: $query);
  }

  .mdc-linear-progress--indeterminate.mdc-linear-progress--reversed {
    .mdc-linear-progress__primary-bar {
      @include mdc-feature-targets($feat-structure) {
        right: -145.166611%;
        left: auto;
      }
    }

    .mdc-linear-progress__secondary-bar {
      @include mdc-feature-targets($feat-structure) {
        right: -54.888891%;
        left: auto;
      }
    }
  }
}

@mixin mdc-linear-progress-bar-color($color, $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

  .mdc-linear-progress__bar-inner {
    @include mdc-feature-targets($feat-color) {
      // Border is used rather than background-color to ensure that the
      // bar is visible in Windows High Contrast Mode.
      @include mdc-theme-prop(border-color, $color);
    }
  }
}

@mixin mdc-linear-progress-buffer-color($color, $query: mdc-feature-all()) {
  // We need to escape the '#' character as "%23" for SVG because '#' is a reserved character in URIs.
  $color-value-for-css: mdc-theme-prop-value($color);
  $color-value-for-svg: mdc-linear-progress-str-replace_(unquote("#{$color-value-for-css}"), "#", "%23");
  $feat-color: mdc-feature-create-target($query, color);

  .mdc-linear-progress__buffering-dots {
    @include mdc-feature-targets($feat-color) {
      // SVG is optimized for data URI (https://codepen.io/tigt/post/optimizing-svgs-in-data-uris)
      // stylelint-disable-next-line function-url-quotes
      background-image: url("data:image/svg+xml,%3Csvg version='1.1' xmlns='http://www.w3.org/2000/svg' xmlns:xlink='http://www.w3.org/1999/xlink' x='0px' y='0px' enable-background='new 0 0 5 2' xml:space='preserve' viewBox='0 0 5 2' preserveAspectRatio='none slice'%3E%3Ccircle cx='1' cy='1' r='1' fill='#{$color-value-for-svg}'/%3E%3C/svg%3E");
    }
  }

  .mdc-linear-progress__buffer {
    @include mdc-feature-targets($feat-color) {
      background-color: $color-value-for-css;
    }
  }
}

//
// Private
//

@mixin mdc-linear-progress-indeterminate_($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);
  $feat-animation: mdc-feature-create-target($query, animation);

  &--indeterminate {
    .mdc-linear-progress__bar {
      @include mdc-feature-targets($feat-structure) {
        transition: none;
      }
    }

    .mdc-linear-progress__primary-bar {
      @include mdc-feature-targets($feat-structure) {
        left: -145.166611%;
      }

      @include mdc-feature-targets($feat-animation) {
        animation: mdc-linear-progress-primary-indeterminate-translate 2s infinite linear;
      }

      > .mdc-linear-progress__bar-inner {
        @include mdc-feature-targets($feat-animation) {
          animation: mdc-linear-progress-primary-indeterminate-scale 2s infinite linear;
        }
      }
    }

    .mdc-linear-progress__secondary-bar {
      @include mdc-feature-targets($feat-structure) {
        left: -54.888891%;
        visibility: visible;
      }

      @include mdc-feature-targets($feat-animation) {
        animation: mdc-linear-progress-secondary-indeterminate-translate 2s infinite linear;
      }

      > .mdc-linear-progress__bar-inner {
        @include mdc-feature-targets($feat-animation) {
          animation: mdc-linear-progress-secondary-indeterminate-scale 2s infinite linear;
        }
      }
    }
  }
}

@mixin mdc-linear-progress-reversed_($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);
  $feat-animation: mdc-feature-create-target($query, animation);

  &--reversed {
    .mdc-linear-progress__bar,
    .mdc-linear-progress__buffer {
      @include mdc-feature-targets($feat-structure) {
        right: 0;
        transform-origin: center right;
      }
    }

    .mdc-linear-progress__primary-bar {
      @include mdc-feature-targets($feat-animation) {
        animation-name: mdc-linear-progress-primary-indeterminate-translate-reverse;
      }
    }

    .mdc-linear-progress__secondary-bar {
      @include mdc-feature-targets($feat-animation) {
        animation-name: mdc-linear-progress-secondary-indeterminate-translate-reverse;
      }
    }

    .mdc-linear-progress__buffering-dots {
      @include mdc-feature-targets($feat-animation) {
        animation: mdc-linear-progress-buffering-reverse 250ms infinite linear;
      }
    }
  }
}

// Based on https://css-tricks.com/snippets/sass/str-replace-function/
@function mdc-linear-progress-str-replace_($string, $search, $replace) {
  $index: str-index($string, $search);

  @if $index {
    $head: str-slice($string, 1, $index - 1);
    $tail: mdc-linear-progress-str-replace_(str-slice($string, $index + str-length($search)), $search, $replace);

    @return $head + $replace + $tail;
  }

  @return $string;
}