////
/// @group form-label
////

@import '~@react-md/icon/dist/mixins';
@import '~@react-md/typography/dist/mixins';
@import '~@react-md/transition/dist/mixins';
@import '~@react-md/utils/dist/mixins';
@import '../variables';
@import '../functions';

/// Creates the base styles for a `<label>` element as well as all the different
/// states a label can be in.
@mixin rmd-label {
  @include rmd-typography(body-1);
  @include rmd-transition(standard);

  display: inline-flex;
  font-size: $rmd-label-font-size;
  transition: color $rmd-transition-standard-time;

  &--active {
    @include rmd-form-theme(color, active-color);
  }

  &--error {
    @include rmd-form-theme(color, error-color);
  }

  &--disabled {
    @include rmd-form-theme(color, disabled-color);
  }
}

/// @access private
@mixin rmd-floating-label {
  $transitions: background-color, color, font-size, transform;

  @include rmd-form-theme-update-var(
    active-color,
    rmd-form-theme-var(text-active-color)
  );
  @include rmd-utils-rtl {
    left: auto;
    right: 0;
    transform: translate(
      rmd-utils-negate-var(rmd-form-theme-var(text-padding-left)),
      rmd-form-theme-var(floating-top)
    );
  }

  left: 0;
  position: absolute;
  top: 0;
  transform: translate(
    rmd-form-theme-var(text-padding-left),
    rmd-form-theme-var(floating-top)
  );
  transition-property: $transitions;
  will-change: $transitions;

  &--dense {
    @include rmd-form-theme-update-var(
      floating-top,
      rmd-form-theme-var(floating-dense-top)
    );
  }

  &--active {
    @include rmd-form-theme(background-color, label-active-background-color);
    @include rmd-form-theme(padding, label-active-padding);
    @include rmd-utils-rtl {
      transform: translate(
        rmd-utils-negate-var(rmd-form-theme-var(label-left-offset)),
        rmd-form-theme-var(label-top-offset)
      );
    }

    font-size: $rmd-label-floating-font-size;
    transform: translate(
      rmd-form-theme-var(label-left-offset),
      rmd-form-theme-var(label-top-offset)
    );
    z-index: 1;
  }

  &--inactive {
    @include rmd-theme(color, text-secondary-on-background);
  }
}

/// @access private
@mixin react-md-label {
  .rmd-label {
    @include rmd-label;
  }

  .rmd-floating-label {
    @include rmd-floating-label;
  }
}