@import "../utilities/mixins";

$message-background-color: getVar("background") !default;
$message-radius: getVar("radius") !default;

$message-header-background-color: getVar("text") !default;
$message-header-color: getVar("text-invert") !default;
$message-header-weight: getVar("weight-bold") !default;
$message-header-padding: 0.75em 1em !default;
$message-header-radius: getVar("radius") !default;

$message-body-border-color: getVar("border") !default;
$message-body-border-width: 0 0 0 4px !default;
$message-body-color: getVar("text") !default;
$message-body-padding: 1.25em 1.5em !default;
$message-body-radius: getVar("radius") !default;

$message-body-pre-background-color: getVar("scheme-main") !default;
$message-body-pre-code-background-color: transparent !default;

$message-header-body-border-width: 0 !default;
$message-colors: $colors !default;

:root {
  @include register-vars(
    (
      message-background-color: #{$message-background-color},
      message-radius: #{$message-radius},
      message-header-background-color: #{$message-header-background-color},
      message-header-color: #{$message-header-color},
      message-header-weight: #{$message-header-weight},
      message-header-padding: #{$message-header-padding},
      message-header-radius: #{$message-header-radius},
      message-body-border-color: #{$message-body-border-color},
      message-body-border-width: #{$message-body-border-width},
      message-body-color: #{$message-body-color},
      message-body-padding: #{$message-body-padding},
      message-body-radius: #{$message-body-radius},
      message-body-pre-background-color: #{$message-body-pre-background-color},
      message-body-pre-code-background-color: #{$message-body-pre-code-background-color},
      message-header-body-border-width: #{$message-header-body-border-width},
    )
  );
}

.#{$class-prefix}message {
  @extend %block;

  background-color: getVar("message-background-color");
  border-radius: getVar("message-radius");
  font-size: getVar("size-normal");

  strong {
    color: currentColor;
  }

  a:not(.#{$class-prefix}button):not(.#{$class-prefix}tag):not(.#{$class-prefix}dropdown-item) {
    color: currentColor;
    text-decoration: underline;
  }

  // Sizes
  &.is-small {
    font-size: getVar("size-small");
  }

  &.is-medium {
    font-size: getVar("size-medium");
  }

  &.is-large {
    font-size: getVar("size-large");
  }

  // Colors
  // TODO
  @each $name, $components in $message-colors {
    $color: nth($components, 1);
    $color-invert: nth($components, 2);
    $color-light: null;
    $color-dark: null;

    @if length($components) >= 3 {
      $color-light: nth($components, 3);

      @if length($components) >= 4 {
        $color-dark: nth($components, 4);
      } @else {
        $color-luminance: colorLuminance($color);
        $darken-percentage: $color-luminance * 70%;
        $desaturate-percentage: $color-luminance * 30%;
        $color-dark: desaturate(
          darken($color, $darken-percentage),
          $desaturate-percentage
        );
      }
    } @else {
      $color-lightning: max(100% - lightness($color) - 2%, 0%);
      $color-light: lighten($color, $color-lightning);
    }

    &.is-#{$name} {
      background-color: $color-light;

      .#{$class-prefix}message-header {
        background-color: $color;
        color: $color-invert;
      }

      .#{$class-prefix}message-body {
        border-color: $color;
        color: $color-dark;
      }
    }
  }
}

.#{$class-prefix}message-header {
  align-items: center;
  background-color: getVar("message-header-background-color");
  border-radius: getVar("message-header-radius") getVar("message-header-radius")
    0 0;
  color: getVar("message-header-color");
  display: flex;
  font-weight: getVar("message-header-weight");
  justify-content: space-between;
  line-height: 1.25;
  padding: getVar("message-header-padding");
  position: relative;

  .#{$class-prefix}delete {
    flex-grow: 0;
    flex-shrink: 0;

    @include ltr-property("margin", 0.75em, false);
  }

  & + .#{$class-prefix}message-body {
    border-width: getVar("message-header-body-border-width");
    border-top-left-radius: 0;
    border-top-right-radius: 0;
  }
}

.#{$class-prefix}message-body {
  border-color: getVar("message-body-border-color");
  border-radius: getVar("message-body-radius");
  border-style: solid;
  border-width: getVar("message-body-border-width");
  color: getVar("message-body-color");
  padding: getVar("message-body-padding");

  code,
  pre {
    background-color: getVar("message-body-pre-background-color");
  }

  pre code {
    background-color: getVar("message-body-pre-code-background-color");
  }
}