@use "../base";
@use "../colors";
@use "../functions" as *;

$color-default: colors.bg(colors.$primary) !default;
$color-disabled: hsl(0, 0%, 60%) !default;
$color-selected: colors.bg(colors.$green) !default;
$color-caution: colors.bg(colors.$yellow) !default;
$color-danger: colors.bg(colors.$red) !default;
$color-transparent-text: rgba(255, 255, 255, 0.5) !default;
$border-radius: base.$border-radius !default;
$bg-map: colors.$bg-map !default;

@mixin button-color($color) {
  // Adapt text color to background luminance to ensure high contast
  $luminance: luminance($color);
  $text-color: if($luminance > 0.4, rgba(0, 0, 0, 1), rgba(255, 255, 255, 1));

  transition:
    color 50ms,
    background-color 50ms;
  background-color: $color;
  color: $text-color;

  &:focus {
    transition:
      color 100ms,
      background-color 100ms;
  }

  &:hover {
    background-color: lighten($color, 30%);
    color: $text-color;
  }
}

.Button {
  position: relative;
  display: inline-block;
  line-height: 1.667em;
  padding: 0 0.5em;
  margin-right: base.em(2px);
  white-space: nowrap;
  outline: 0;
  border-radius: $border-radius;
  margin-bottom: base.em(2px);
  // Disable selection in buttons
  user-select: none;
  -ms-user-select: none;

  &:last-child {
    margin-right: 0;
    margin-bottom: 0;
  }

  .fa,
  .fas,
  .far {
    margin-left: -0.25em;
    margin-right: -0.25em;
    min-width: 1.333em;
    text-align: center;
  }
}

.Button--dropdown {
  line-height: base.em(16px);
  height: base.em(22px);
  padding: 0.2rem 0.5rem;
}

.Button--hasContent {
  // Add a margin to the icon to keep it separate from the text
  .fa,
  .fas,
  .far {
    margin-right: 0.25em;
  }
}

.Button--hasContent.Button--iconPosition--right {
  .fa,
  .fas,
  .far {
    margin-right: 0px;
    margin-left: 3px;
  }
}

.Button--ellipsis {
  display: block;
  text-overflow: ellipsis;
  overflow: hidden;
}

.Button--fluid {
  display: block;
  margin-left: 0;
  margin-right: 0;
}

.Button--circular {
  border-radius: 50%;
}

.Button--compact {
  padding: 0 0.25em;
  line-height: 1.333em;
}

@each $color-name, $color-value in $bg-map {
  .Button--color--#{$color-name} {
    @include button-color($color-value);
  }
}

.Button--color--default {
  @include button-color($color-default);
}

.Button--color--caution {
  @include button-color($color-caution);
}

.Button--color--danger {
  @include button-color($color-danger);
}

.Button--color--transparent {
  @include button-color(base.$color-bg);
  background-color: rgba(base.$color-bg, 0);
  color: $color-transparent-text;
}

.Button--disabled {
  background-color: $color-disabled !important;
}

.Button--selected {
  @include button-color($color-selected);
}

.Button--flex {
  display: inline-flex; //Inline even for fluid
  flex-direction: column;
}

.Button--flex--fluid {
  width: 100%;
}

.Button--verticalAlignContent--top {
  justify-content: flex-start;
}

.Button--verticalAlignContent--middle {
  justify-content: center;
}

.Button--verticalAlignContent--bottom {
  justify-content: flex-end;
}

.Button__content {
  display: block;
  align-self: stretch;
}

.Button__textMargin {
  margin-left: 0.4rem;
}