@use "config" as *;
@use "functions" as *;
@use "mixins/border-radius" as *;
@use "mixins/box-shadow" as *;
@use "mixins/reset-text" as *;
@use "mixins/tokens" as *;
@use "mixins/transition" as *;

$popover-tokens: () !default;

// scss-docs-start popover-tokens
// stylelint-disable-next-line scss/dollar-variable-default
$popover-tokens: defaults(
  (
    --popover-zindex: var(--z-popover),
    --popover-max-width: 280px,
    --popover-font-size: var(--font-size-sm),
    --popover-bg: var(--bg-body),
    --popover-border-width: var(--border-width),
    --popover-border-color: var(--border-color-translucent),
    --popover-border-radius: var(--radius-7),
    --popover-inner-border-radius: calc(var(--radius-7) - var(--border-width)),
    --popover-box-shadow: var(--box-shadow),
    --popover-header-padding-x: var(--spacer),
    --popover-header-padding-y: var(--spacer-3),
    --popover-header-font-size: var(--font-size-sm),
    --popover-header-color: inherit,
    --popover-header-bg: var(--bg-1),
    --popover-body-padding-x: var(--spacer),
    --popover-body-padding-y: var(--spacer-3),
    --popover-body-color: var(--fg-body),
    --popover-arrow-width: 1rem,
    --popover-arrow-height: .5rem,
    --popover-arrow-border: var(--popover-border-color),
    --popover-transition-property: "opacity",
    --popover-transition-duration: .15s,
    --popover-transition-timing: linear,
  ),
  $popover-tokens
);
// scss-docs-end popover-tokens

@layer components {
  .popover {
    // scss-docs-start popover-css-vars
    @include tokens($popover-tokens);
    // scss-docs-end popover-css-vars

    z-index: var(--popover-zindex);
    display: block;
    max-width: var(--popover-max-width);
    // Our parent element can be arbitrary since tooltips are by default inserted as a sibling of their target element.
    // So reset our font and text properties to avoid inheriting weird values.
    @include reset-text();
    font-size: var(--popover-font-size);
    // Allow breaking very long words so they don't overflow the popover's bounds
    word-wrap: break-word;
    background-color: var(--popover-bg);
    background-clip: padding-box;
    border: var(--popover-border-width) solid var(--popover-border-color);
    @include border-radius(var(--popover-border-radius));
    @include box-shadow(var(--popover-box-shadow));
    opacity: 0;

    // The JS inserts the popover, so the fade needs a starting state below. Add
    // .popover-instant, or pass `animation: false`, to skip it.
    &:not(.popover-instant) {
      @include transition-props(
        var(--popover-transition-property),
        var(--popover-transition-duration),
        var(--popover-transition-timing)
      );
    }

    &.show {
      opacity: 1;
    }

    .popover-arrow {
      display: block;
      width: var(--popover-arrow-width);
      height: var(--popover-arrow-height);

      &::before,
      &::after {
        position: absolute;
        display: block;
        content: "";
        border-color: transparent;
        border-style: solid;
        border-width: 0;
      }
    }
  }

  @starting-style {
    .popover:not(.popover-instant).show {
      opacity: 0;
    }
  }

  .bs-popover-top {
    > .popover-arrow {
      bottom: calc(-1 * (var(--popover-arrow-height)) - var(--popover-border-width));

      &::before,
      &::after {
        border-width: var(--popover-arrow-height) calc(var(--popover-arrow-width) * .5) 0;
      }

      &::before {
        bottom: 0;
        border-block-start-color: var(--popover-arrow-border);
      }

      &::after {
        bottom: var(--popover-border-width);
        border-block-start-color: var(--popover-bg);
      }
    }
  }

  .bs-popover-end {
    > .popover-arrow {
      left: calc(-1 * (var(--popover-arrow-height)) - var(--popover-border-width));
      width: var(--popover-arrow-height);
      height: var(--popover-arrow-width);

      &::before,
      &::after {
        border-width: calc(var(--popover-arrow-width) * .5) var(--popover-arrow-height) calc(var(--popover-arrow-width) * .5) 0;
      }

      &::before {
        left: 0;
        border-inline-end-color: var(--popover-arrow-border);
      }

      &::after {
        left: var(--popover-border-width);
        border-inline-end-color: var(--popover-bg);
      }
    }
  }

  .bs-popover-bottom {
    > .popover-arrow {
      top: calc(-1 * (var(--popover-arrow-height)) - var(--popover-border-width));

      &::before,
      &::after {
        border-width: 0 calc(var(--popover-arrow-width) * .5) var(--popover-arrow-height);
      }

      &::before {
        top: 0;
        border-block-end-color: var(--popover-arrow-border);
      }

      &::after {
        top: var(--popover-border-width);
        border-block-end-color: var(--popover-bg);
      }

      // When the popover has a header, the bottom arrow points into the header,
      // so its fill should match the header background, not the body background.
      &:has(+ .popover-header)::after {
        border-block-end-color: var(--popover-header-bg);
      }
    }

    // This will remove the popover-header's border just below the arrow
    .popover-header::before {
      position: absolute;
      top: 0;
      left: 50%;
      display: block;
      width: var(--popover-arrow-width);
      margin-inline-start: calc(-.5 * var(--popover-arrow-width));
      content: "";
      border-block-end: var(--popover-border-width) solid var(--popover-header-bg);
    }
  }

  .bs-popover-start {
    > .popover-arrow {
      right: calc(-1 * (var(--popover-arrow-height)) - var(--popover-border-width));
      width: var(--popover-arrow-height);
      height: var(--popover-arrow-width);

      &::before,
      &::after {
        border-width: calc(var(--popover-arrow-width) * .5) 0 calc(var(--popover-arrow-width) * .5) var(--popover-arrow-height);
      }

      &::before {
        right: 0;
        border-inline-start-color: var(--popover-arrow-border);
      }

      &::after {
        right: var(--popover-border-width);
        border-inline-start-color: var(--popover-bg);
      }
    }
  }

  .bs-popover-auto {
    &[data-bs-placement^="top"] {
      @extend .bs-popover-top;
    }
    &[data-bs-placement^="right"] {
      @extend .bs-popover-end;
    }
    &[data-bs-placement^="bottom"] {
      @extend .bs-popover-bottom;
    }
    &[data-bs-placement^="left"] {
      @extend .bs-popover-start;
    }
  }

  // Offset the popover to account for the popover arrow
  .popover-header {
    padding: var(--popover-header-padding-y) var(--popover-header-padding-x);
    margin-bottom: 0; // Reset the default from Reboot
    font-size: var(--popover-header-font-size);
    color: var(--popover-header-color);
    background-color: var(--popover-header-bg);
    border-block-end: var(--popover-border-width) solid var(--popover-border-color);
    @include border-top-radius(var(--popover-inner-border-radius));

    &:empty {
      display: none;
    }
  }

  .popover-body {
    padding: var(--popover-body-padding-y) var(--popover-body-padding-x);
    color: var(--popover-body-color);
  }
}