shipshapecode/tether

@mixin tether-theme-arrows($themePrefix: "tether", $themeName: "arrows", $arrowSize: 16px, $arrowPointerEvents: null, $backgroundColor: #fff, $color: inherit, $useDropShadow: false) {
  .#{$themePrefix}-element.#{$themePrefix}-theme-#{$themeName} {
    max-width: 100%;
    max-height: 100%;

    .#{$themePrefix}-content {
      border-radius: 5px;
      position: relative;
      font-family: inherit;
      background: $backgroundColor;
      color: $color;
      padding: 1em;
      font-size: 1.1em;
      line-height: 1.5em;

      @if $useDropShadow {
        transform: translateZ(0);
        filter: drop-shadow(0 1px 4px rgba(0, 0, 0, 0.2));
      }

      &:before {
        content: "";
        display: block;
        position: absolute;
        width: 0;
        height: 0;
        border-color: transparent;
        border-width: $arrowSize;
        border-style: solid;
        pointer-events: $arrowPointerEvents;
      }
    }

    // Centers and middles

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-center .#{$themePrefix}-content {
      margin-bottom: $arrowSize;

      &:before {
        top: 100%;
        left: 50%;
        margin-left: -$arrowSize;
        border-top-color: $backgroundColor;
        border-bottom: 0;
      }
    }

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-center .#{$themePrefix}-content {
      margin-top: $arrowSize;

      &:before {
        bottom: 100%;
        left: 50%;
        margin-left: -$arrowSize;
        border-bottom-color: $backgroundColor;
        border-top: 0;
      }
    }

    &.#{$themePrefix}-element-attached-right.#{$themePrefix}-element-attached-middle .#{$themePrefix}-content {
      margin-right: $arrowSize;

      &:before {
        left: 100%;
        top: 50%;
        margin-top: -$arrowSize;
        border-left-color: $backgroundColor;
        border-right: 0;
      }
    }

    &.#{$themePrefix}-element-attached-left.#{$themePrefix}-element-attached-middle .#{$themePrefix}-content {
      margin-left: $arrowSize;

      &:before {
        right: 100%;
        top: 50%;
        margin-top: -$arrowSize;
        border-right-color: $backgroundColor;
        border-left: 0;
      }
    }

    // Target middle/center, element corner

    &.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-center .#{$themePrefix}-content {
      left: -$arrowSize * 2;
    }

    &.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-center .#{$themePrefix}-content {
      left: $arrowSize * 2;
    }

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-middle .#{$themePrefix}-content {
      margin-top: $arrowSize;

      &:before {
        bottom: 100%;
        left: $arrowSize;
        border-bottom-color: $backgroundColor;
        border-top: 0;
      }
    }

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-middle .#{$themePrefix}-content {
      margin-top: $arrowSize;

      &:before {
        bottom: 100%;
        right: $arrowSize;
        border-bottom-color: $backgroundColor;
        border-top: 0;
      }
    }

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-middle .#{$themePrefix}-content {
      margin-bottom: $arrowSize;

      &:before {
        top: 100%;
        left: $arrowSize;
        border-top-color: $backgroundColor;
        border-bottom: 0;
      }
    }

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-middle .#{$themePrefix}-content {
      margin-bottom: $arrowSize;

      &:before {
        top: 100%;
        right: $arrowSize;
        border-top-color: $backgroundColor;
        border-bottom: 0;
      }
    }

    // Top and bottom corners

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-bottom .#{$themePrefix}-content {
      margin-top: $arrowSize;

      &:before {
        bottom: 100%;
        left: $arrowSize;
        border-bottom-color: $backgroundColor;
        border-top: 0;
      }
    }

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-bottom .#{$themePrefix}-content {
      margin-top: $arrowSize;

      &:before {
        bottom: 100%;
        right: $arrowSize;
        border-bottom-color: $backgroundColor;
        border-top: 0;
      }
    }

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-top .#{$themePrefix}-content {
      margin-bottom: $arrowSize;

      &:before {
        top: 100%;
        left: $arrowSize;
        border-top-color: $backgroundColor;
        border-bottom: 0;
      }
    }

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-top .#{$themePrefix}-content {
      margin-bottom: $arrowSize;

      &:before {
        top: 100%;
        right: $arrowSize;
        border-top-color: $backgroundColor;
        border-bottom: 0;
      }
    }

    // Side corners

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-left .#{$themePrefix}-content {
      margin-right: $arrowSize;

      &:before {
        top: $arrowSize;
        left: 100%;
        border-left-color: $backgroundColor;
        border-right: 0;
      }
    }

    &.#{$themePrefix}-element-attached-top.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-right .#{$themePrefix}-content {
      margin-left: $arrowSize;

      &:before {
        top: $arrowSize;
        right: 100%;
        border-right-color: $backgroundColor;
        border-left: 0;
      }
    }

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-right.#{$themePrefix}-target-attached-left .#{$themePrefix}-content {
      margin-right: $arrowSize;

      &:before {
        bottom: $arrowSize;
        left: 100%;
        border-left-color: $backgroundColor;
        border-right: 0;
      }
    }

    &.#{$themePrefix}-element-attached-bottom.#{$themePrefix}-element-attached-left.#{$themePrefix}-target-attached-right .#{$themePrefix}-content {
      margin-left: $arrowSize;

      &:before {
        bottom: $arrowSize;
        right: 100%;
        border-right-color: $backgroundColor;
        border-left: 0;
      }
    }
  }
}