/**
 * @license
 * Copyright Akveo. All Rights Reserved.
 * Licensed under the MIT License. See License.txt in the project root for license information.
 */

@import '../../styles/core/mixins';

$arrow-size: 6px;

:host {
  z-index: 10000;

  .content {
    display: flex;
    align-items: center;
  }

  &.right .content {
    flex-direction: row-reverse;
  }

  .arrow {
    position: absolute;

    width: 0;
    height: 0;
  }

  nb-icon + span {
    margin-left: 0.5rem;
  }
  &.right nb-icon + span {
    margin-right: 0.5rem;
  }

  .arrow {
    border-left: $arrow-size solid transparent;
    border-right: $arrow-size solid transparent;
  }
}

:host(.bottom) {
  .arrow {
    top: -$arrow-size;
    left: calc(50% - #{$arrow-size});
  }
}

:host(.bottom-start) {
  .arrow {
    top: -$arrow-size;
    @include nb-ltr(right, $arrow-size);
    @include nb-rtl(left, $arrow-size);
  }
}

:host(.bottom-end) {
  .arrow {
    top: -$arrow-size;
    @include nb-ltr(left, $arrow-size);
    @include nb-rtl(right, $arrow-size);
  }
}

:host(.left),
:host(.start) {
  .arrow {
    $inline-offset: round(-$arrow-size - $arrow-size / 2.5);
    @include nb-ltr() {
      right: $inline-offset;
      transform: rotate(90deg);
    };
    @include nb-rtl() {
      left: $inline-offset;
      transform: rotate(270deg);
    };
    top: calc(50% - #{$arrow-size / 2.5});
  }
}

:host(.start-top) {
  .arrow {
    right: round(-$arrow-size - $arrow-size / 2.5);
    bottom: $arrow-size;
    transform: rotate(90deg);
  }
}

:host(.start-bottom) {
  .arrow {
    right: round(-$arrow-size - $arrow-size / 2.5);
    top: $arrow-size;
    transform: rotate(90deg);
  }
}

:host(.top) {
  .arrow {
    bottom: -$arrow-size;
    left: calc(50% - #{$arrow-size});
    transform: rotate(180deg);
  }
}

:host(.top-start) {
  .arrow {
    bottom: calc(-1 * #{$arrow-size} + 1px);
    @include nb-ltr(right, $arrow-size);
    @include nb-rtl(left, $arrow-size);
    transform: rotate(180deg);
  }
}

:host(.top-end) {
  .arrow {
    bottom: calc(-#{$arrow-size} + 1px);
    @include nb-ltr(left, $arrow-size);
    @include nb-rtl(right, $arrow-size);
    transform: rotate(180deg);
  }
}

:host(.right),
:host(.end) {
  .arrow {
    $inline-offset: round(-$arrow-size - $arrow-size / 2.5);
    @include nb-ltr() {
      left: $inline-offset;
      transform: rotate(270deg);
    };
    @include nb-rtl() {
      right: $inline-offset;
      transform: rotate(90deg);
    };
    top: calc(50% - #{$arrow-size / 2.5});
  }
}

:host(.end-top) {
  .arrow {
    left: calc(-#{$arrow-size} - #{$arrow-size} / 2.5);
    bottom: $arrow-size;
    transform: rotate(270deg);
  }
}

:host(.end-bottom) {
  .arrow {
    left: calc(-#{$arrow-size} - #{$arrow-size} / 2.5);
    top: $arrow-size;
    transform: rotate(270deg);
  }
}