//
// Copyright 2016 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 "../theme/functions";
@import "../theme/variables"; // for mdc-theme-prop-value
@import "./variables";

//
// Public
//

@function mdc-states-opacity($color, $state) {
  $opacity-map: mdc-states-opacities_($color);

  @if not map-has-key($opacity-map, $state) {
    @error "Invalid state: '#{$state}'. Choose one of: #{map-keys($opacity-map)}";
  }

  @return map-get($opacity-map, $state);
}

//
// Private
//

@function mdc-states-opacities_($color) {
  $color-value: mdc-theme-prop-value($color);
  $opacity-map: if(
    mdc-theme-tone($color-value) == "light",
    $mdc-ripple-light-ink-opacities,
    $mdc-ripple-dark-ink-opacities
  );

  @return $opacity-map;
}
