@import '../core/theming/theming';


// Applies a focus style to an md-button element for each of the supported palettes.
@mixin _md-button-focus-color($theme) {
  $primary: map-get($theme, primary);
  $accent: map-get($theme, accent);
  $warn: map-get($theme, warn);

  &.md-primary .md-button-focus-overlay {
    background-color: md-color($primary, 0.12);
  }

  &.md-accent .md-button-focus-overlay {
    background-color: md-color($accent, 0.12);
  }

  &.md-warn .md-button-focus-overlay {
    background-color: md-color($warn, 0.12);
  }
}

// Applies a property to an md-button element for each of the supported palettes.
@mixin _md-button-theme-color($theme, $property, $color: 'default') {
  $primary: map-get($theme, primary);
  $accent: map-get($theme, accent);
  $warn: map-get($theme, warn);
  $background: map-get($theme, background);
  $foreground: map-get($theme, foreground);

  &.md-primary {
    #{$property}: md-color($primary, $color);
  }
  &.md-accent {
    #{$property}: md-color($accent, $color);
  }
  &.md-warn {
    #{$property}: md-color($warn, $color);
  }

  &.md-primary, &.md-accent, &.md-warn, &[disabled] {
    &[disabled] {
      $palette: if($property == 'color', $foreground, $background);
      #{$property}: md-color($palette, disabled-button);
    }
  }
}

@mixin md-button-theme($theme) {
  $primary: map-get($theme, primary);
  $accent: map-get($theme, accent);
  $warn: map-get($theme, warn);
  $background: map-get($theme, background);
  $foreground: map-get($theme, foreground);

  [md-button], [md-icon-button], [md-raised-button], [md-fab], [md-mini-fab] {
    &.md-button-focus {
      @include _md-button-focus-color($theme);
    }
  }

  [md-button], [md-icon-button] {
    @include _md-button-theme-color($theme, 'color');
    background: transparent;

    // Only flat buttons and icon buttons (not raised or fabs) have a hover style.
    // Use the same visual treatment for hover as for focus.
    &:hover {
      @include _md-button-focus-color($theme);
    }
  }

  [md-raised-button], [md-fab], [md-mini-fab] {
    @include _md-button-theme-color($theme, 'color', default-contrast);
    @include _md-button-theme-color($theme, 'background-color');
    background-color: md-color($background, background);
  }

  [md-fab], [md-mini-fab] {
    background-color: md-color($accent);
    color: md-color($accent, default-contrast);
  }
}