//
// 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.
//

@import "@material/feature-targeting/functions";
@import "@material/feature-targeting/mixins";
@import "@material/animation/functions";
@import "@material/button/mixins";
@import "@material/icon-button/mixins";
@import "@material/ripple/mixins";
@import "@material/rtl/mixins";
@import "@material/typography/mixins";
@import "@material/elevation/mixins";
@import "@material/shape/mixins";
@import "@material/theme/mixins";
@import "./variables";

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

  // postcss-bem-linter: define snackbar
  .mdc-snackbar {
    @include mdc-snackbar-z-index($mdc-snackbar-z-index, $query: $query);
    @include mdc-snackbar-viewport-margin($mdc-snackbar-viewport-margin-narrow, $query: $query);

    @include mdc-feature-targets($feat-structure) {
      display: none;
      position: fixed;
      right: 0;
      bottom: 0;
      left: 0;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;

      // Ignore mouse events on the root layout element.
      pointer-events: none;

      // For some reason, iOS Safari displays a tap highlight on the entire snackbar element.
      // Mobile Safari only supports `rgba` values for this property; named values like
      // `transparent` are ignored. From Apple's docs:
      // > This property obeys the alpha value, if specified.
      // > If you don’t specify an alpha value, Safari on iOS applies a default alpha value to the color.
      // > To disable tap highlighting, set the alpha value to 0 (invisible).
      // > If you set the alpha value to 1.0 (opaque), the element is not visible when tapped.
      // See https://github.com/ben-eb/postcss-colormin/issues/1
      -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
    }
  }

  @at-root {
    @include mdc-snackbar-fill-color($mdc-snackbar-fill-color, $query: $query);
    @include mdc-snackbar-label-ink-color($mdc-snackbar-label-ink-color, $query: $query);
    @include mdc-snackbar-min-width($mdc-snackbar-min-width, $query: $query);
    @include mdc-snackbar-max-width($mdc-snackbar-max-width, $query: $query);
    @include mdc-snackbar-elevation($mdc-snackbar-elevation, $query: $query);
    @include mdc-snackbar-shape-radius($mdc-snackbar-shape-radius, $query: $query);
  }

  .mdc-snackbar--opening,
  .mdc-snackbar--open,
  .mdc-snackbar--closing {
    @include mdc-feature-targets($feat-structure) {
      display: flex;
    }
  }

  .mdc-snackbar--leading {
    @include mdc-snackbar-position-leading($query: $query);
  }

  .mdc-snackbar--stacked {
    @include mdc-snackbar-layout-stacked($query: $query);
  }

  .mdc-snackbar__surface {
    @include mdc-feature-targets($feat-structure) {
      display: flex;
      align-items: center;
      justify-content: flex-start;
      box-sizing: border-box;
      transform: scale(.8);
      opacity: 0;
    }

    .mdc-snackbar--open & {
      @include mdc-feature-targets($feat-structure) {
        transform: scale(1);
        opacity: 1;
        pointer-events: auto; // Allow mouse events on surface element while snackbar is open
      }

      @include mdc-feature-targets($feat-animation) {
        transition:
          mdc-animation-enter(opacity, $mdc-snackbar-enter-duration),
          mdc-animation-enter(transform, $mdc-snackbar-enter-duration);
      }
    }

    .mdc-snackbar--closing & {
      @include mdc-feature-targets($feat-structure) {
        transform: scale(1);
      }

      @include mdc-feature-targets($feat-animation) {
        transition: mdc-animation-exit-permanent(opacity, $mdc-snackbar-exit-duration);
      }
    }
  }

  .mdc-snackbar__label {
    @include mdc-typography($mdc-snackbar-label-type-scale, $query: $query);

    @include mdc-feature-targets($feat-structure) {
      flex-grow: 1;
      box-sizing: border-box;
      margin: 0;

      // 14px top/bottom padding needed to make the height 48px.
      padding: 14px 16px;
    }
  }

  // Used to prevent visual jank when announcing label text to screen readers.
  // See the `announce()` function in util.js for details.
  .mdc-snackbar__label::before {
    @include mdc-feature-targets($feat-structure) {
      display: inline;
      content: attr(data-mdc-snackbar-label-text);
    }
  }

  .mdc-snackbar__actions {
    @include mdc-feature-targets($feat-structure) {
      @include mdc-rtl-reflexive-property(margin, 0, $mdc-snackbar-padding);

      display: flex;
      flex-shrink: 0;
      align-items: center;
      box-sizing: border-box;
    }
  }

  .mdc-snackbar__action {
    @include mdc-button-ink-color($mdc-snackbar-action-ink-color, $query: $query);
    @include mdc-states($mdc-snackbar-action-ink-color, $query: $query);
  }

  .mdc-snackbar__dismiss {
    @include mdc-icon-button-ink-color($mdc-snackbar-dismiss-ink-color, $query: $query);
  }

  // Two selectors are needed to increase specificity above `.material-icons`.
  // stylelint-disable-next-line selector-class-pattern
  .mdc-snackbar__dismiss.mdc-snackbar__dismiss {
    @include mdc-icon-button-icon-size($mdc-snackbar-dismiss-icon-size, $query: $query);
  }

  .mdc-snackbar__action + .mdc-snackbar__dismiss {
    @include mdc-feature-targets($feat-structure) {
      @include mdc-rtl-reflexive-property(margin, $mdc-snackbar-padding, 0);
    }
  }
  // postcss-bem-linter: end
}

@mixin mdc-snackbar-fill-color($color, $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

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

@mixin mdc-snackbar-label-ink-color($color, $query: mdc-feature-all()) {
  $feat-color: mdc-feature-create-target($query, color);

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

@mixin mdc-snackbar-shape-radius($radius, $rtl-reflexive: false, $query: mdc-feature-all()) {
  .mdc-snackbar__surface {
    @include mdc-shape-radius($radius, $rtl-reflexive, $query: $query);
  }
}

@mixin mdc-snackbar-min-width(
  $min-width,
  $mobile-breakpoint: $mdc-snackbar-mobile-breakpoint,
  $query: mdc-feature-all()
) {
  $feat-structure: mdc-feature-create-target($query, structure);

  .mdc-snackbar__surface {
    @include mdc-feature-targets($feat-structure) {
      min-width: $min-width;

      // The first media query ensures that snackbars are always 100% width on mobile devices, as required by the spec.
      // The second media query prevents snackbars from being wider than the viewport for large min-width values.
      @media (max-width: $mobile-breakpoint), (max-width: $min-width) {
        min-width: 100%;
      }
    }
  }
}

@mixin mdc-snackbar-max-width($max-width, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  .mdc-snackbar__surface {
    @include mdc-feature-targets($feat-structure) {
      max-width: $max-width;
    }
  }
}

@mixin mdc-snackbar-elevation($z-index, $query: mdc-feature-all()) {
  .mdc-snackbar__surface {
    @include mdc-elevation($z-index, $query: $query);
  }
}

@mixin mdc-snackbar-viewport-margin($margin, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    margin: $margin;
  }
}

@mixin mdc-snackbar-z-index($z-index, $query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    z-index: $z-index;
  }
}

@mixin mdc-snackbar-position-leading($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  @include mdc-feature-targets($feat-structure) {
    justify-content: flex-start;
  }
}

@mixin mdc-snackbar-layout-stacked($query: mdc-feature-all()) {
  $feat-structure: mdc-feature-create-target($query, structure);

  .mdc-snackbar__surface {
    @include mdc-feature-targets($feat-structure) {
      flex-direction: column;
      align-items: flex-start;
    }
  }

  .mdc-snackbar__actions {
    @include mdc-feature-targets($feat-structure) {
      align-self: flex-end;
      margin-bottom: $mdc-snackbar-padding;
    }
  }
}