/*
 * Copyright (c) 2016-2025 Broadcom. All Rights Reserved.
 * The term "Broadcom" refers to Broadcom Inc. and/or its subsidiaries.
 * This software is released under MIT license.
 * The full license information can be found in LICENSE in the root directory of this project.
 */
@use 'sass:map';
@use 'sass:meta';
@use '../../utils/mixins';
@use '../../utils/variables/variables';
@use '../main-container/variables.header' as header-variables;
@use '../vertical-nav/vertical-nav.clarity';
@use 'header.clarity';
@use 'variables.responsive-nav' as responsive-nav-variables;
@use '../../utils/variables/variables' as util-variables;
@use '../../layout/vertical-nav/variables.vertical-nav' as vertical-nav-variables;
@use '../tabs/tabs.clarity' as tabs;
@use 'variables.subnav' as nav-variables;
@use '@cds/core/tokens/tokens.scss';
@use '../../utils/variables/variables.density' as density;

@mixin sliding-nav-positioning($top: 0, $right: auto, $bottom: 0, $left: 0) {
  display: flex;
  flex-direction: column;
  position: fixed;
  top: $top;
  right: $right;
  bottom: $bottom;
  left: $left;
  background: vertical-nav-variables.$clr-vertical-nav-bg-color;
  z-index: responsive-nav-variables.$clr-sliding-panel-z-index;
  height: 100vh;
}

@mixin menu-trigger($right: auto, $left: 0, $transformX: responsive-nav-variables.$clr-trigger-position) {
  position: fixed;
  top: 0;
  right: $right;
  left: $left;
  z-index: responsive-nav-variables.$clr-sliding-panel-z-index;
  transform: translateX($transformX);
  transition: responsive-nav-variables.$clr-trigger-animation;

  &::after {
    content: none;
  }
}

@mixin hamburger-menu-trigger-animation() {
  & > span {
    background: transparent;

    &::before,
    &::after {
      left: tokens.$cds-global-space-3;
      transform-origin: 9%;
      transition: responsive-nav-variables.$clr-trigger-animation;
    }

    &::before {
      transform: rotate(45deg);
    }

    &::after {
      transform: rotate(-45deg);
    }
  }
}

@mixin clr-nav-close-trigger-animation() {
  left: tokens.$cds-global-space-3;
  transform-origin: 9%;
  transition: responsive-nav-variables.$clr-trigger-animation;
}

@mixin overflow-menu-trigger-animation() {
  & > span {
    background: transparent;

    &::before,
    &::after {
      height: tokens.$cds-global-space-2;
      width: tokens.$cds-global-space-9;
      left: calc(-1 * tokens.$cds-global-space-4);
      transform-origin: -3%;
      transition: responsive-nav-variables.$clr-trigger-animation;
    }

    &::before {
      transform: rotate(45deg);
    }

    &::after {
      transform: rotate(-45deg);
    }
  }
}

@include meta.load-css('properties.responsive-nav');

@include mixins.exports('responsive-nav.clarity') {
  .clr-nav-close {
    margin: density.$clr-base-vertical-offset-l density.$clr-base-horizontal-offset-l;
    background: none;
    border: none;
    color: var(--color);
    --color: #{tokens.$cds-global-color-white};

    &:hover,
    &:focus {
      --color: #{tokens.$cds-global-color-warm-gray-100};
    }
  }

  .header-hamburger-trigger,
  .header-overflow-trigger {
    display: none;
  }

  .header-hamburger-trigger {
    $trigger-span-psuedo-positioning: calc(-1 * tokens.$cds-global-space-5);

    & > span,
    & > span::before,
    & > span::after {
      display: inline-block;
      height: tokens.$cds-global-space-2;
      width: tokens.$cds-global-space-9;
      background: responsive-nav-variables.$clr-responsive-nav-trigger-bg-color;
      border-radius: tokens.$cds-alias-object-border-radius-100;
    }

    & > span {
      position: relative;
      vertical-align: middle;

      &::before,
      &::after {
        content: '';
        position: absolute;
        left: 0;
      }

      &::before {
        top: $trigger-span-psuedo-positioning;
      }

      &::after {
        bottom: $trigger-span-psuedo-positioning;
      }
    }

    &.active {
      @include hamburger-menu-trigger-animation();
    }
  }

  .header-overflow-trigger {
    $overflow-trigger-psuedo-positioning: calc(-1 * tokens.$cds-global-space-5);

    & > span,
    & > span::before,
    & > span::after {
      display: inline-block;
      @include mixins.equilateral(tokens.$cds-global-space-3);
      background: responsive-nav-variables.$clr-responsive-nav-trigger-bg-color;
      // TODO: Use border radius token?
      border-radius: tokens.$cds-global-space-3;
    }

    & > span {
      position: relative;
      vertical-align: middle;

      &::before,
      &::after {
        content: '';
        position: absolute;
        left: 0;
      }

      &::before {
        top: $overflow-trigger-psuedo-positioning;
      }

      &::after {
        bottom: $overflow-trigger-psuedo-positioning;
      }
    }

    &.active {
      @include overflow-menu-trigger-animation();
    }
  }

  @media screen and (max-width: map.get(variables.$clr-grid-breakpoints, lg)) {
    .main-container {
      .header-hamburger-trigger,
      .header-overflow-trigger {
        display: inline-block;

        border: none;
        background: none;
        cursor: pointer;
        @include mixins.equilateral(header-variables.$clr-header-height);

        // TODO: replace `hamburger` and `dots` to use CDS-ICON `bars` and `ellipsis-vertical` respectively.
        // 2px to vertically align the trigger lines. display flex was not working on all browsers.
        padding: 0 0 tokens.$cds-global-space-2 0;

        text-align: center;
        white-space: nowrap;

        &:focus {
          // So that the outline styles aren't hidden because of the browser
          outline-offset: calc(-1 * tokens.$cds-global-space-4);
        }

        @include header.header-nav-appearance();
      }

      .header-nav.clr-nav-level-1,
      .subnav.clr-nav-level-1,
      .sub-nav.clr-nav-level-1,
      .clr-vertical-nav.clr-nav-level-1 {
        @include sliding-nav-positioning();
        transform: translateX(calc(-1 * #{responsive-nav-variables.$clr-sliding-panel-width}));
        transition: responsive-nav-variables.$clr-sliding-panel-animation;
      }

      .header-nav.clr-nav-level-2,
      .subnav.clr-nav-level-2,
      .sub-nav.clr-nav-level-2,
      .clr-vertical-nav.clr-nav-level-2 {
        @include sliding-nav-positioning(0, 0, 0, auto);
        transform: translateX(responsive-nav-variables.$clr-sliding-panel-width);
        transition: responsive-nav-variables.$clr-sliding-panel-animation;
      }

      .subnav.clr-nav-level-1,
      .sub-nav.clr-nav-level-1,
      .subnav.clr-nav-level-2,
      .sub-nav.clr-nav-level-2 {
        .nav,
        aside {
          flex-direction: column;
          align-items: stretch;
        }

        aside {
          justify-content: center;
          width: 100%;
        }

        //Such deep nesting is unfortunately required here because we don't want
        //navs which are not subnav to behave in a similar way.
        // TODO: more specificity in classname is preferable to nesting...
        .nav {
          padding-left: 0;
          gap: density.$clr-base-gap-s;

          .nav-item {
            height: density.$clr-base-row-height-m;
            margin-right: 0;
          }

          .nav-link {
            padding: vertical-nav-variables.$clr-vertical-nav-item-padding;

            width: 100%;
            max-width: 100%;
            overflow: hidden;
            text-overflow: ellipsis;

            @include vertical-nav.vertical-nav-link-colors();

            &:hover,
            &.active {
              box-shadow: none;
            }

            &:hover {
              &:not(.active)::before {
                content: none;
              }
            }
          }
        }
      }

      .clr-vertical-nav.clr-nav-level-1,
      .clr-vertical-nav.clr-nav-level-2 {
        border-right: none;
      }
    }

    .main-container {
      .header-overflow-trigger {
        position: relative;

        &::after {
          @include header.header-section-divider();
        }
      }

      .header {
        .branding {
          max-width: mixins.baselinePx(240);
          min-width: 0;
          overflow: hidden;
        }

        .header-hamburger-trigger + .branding {
          padding-left: 0;
          margin-left: calc(-1 * density.$clr-base-horizontal-offset-m);

          //TODO: deprecate .clr-icon, .logo
          .clr-icon,
          .logo,
          cds-icon,
          clr-icon {
            display: none;
          }
        }

        .branding + .header-overflow-trigger,
        .header-nav + .header-overflow-trigger,
        .header-nav + .cdk-visually-hidden + .header-overflow-trigger {
          margin-left: auto;
        }
      }
    }

    .main-container {
      &.open-hamburger-menu,
      &.open-overflow-menu {
        .header {
          .header-backdrop {
            position: fixed;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
            background: tokens.$cds-alias-object-overlay-backdrop-background;
            cursor: pointer;
            z-index: responsive-nav-variables.$clr-sliding-panel-backdrop-z-index;
          }

          .header-nav.clr-nav-level-1,
          .header-nav.clr-nav-level-2 {
            .nav-link {
              flex: 0 0 auto;
              height: unset;
              width: 100%;

              .nav-icon,
              .fa {
                display: none;
              }

              .nav-text {
                display: inline-block;
                white-space: normal;
                // color, line-height and font-weight should be removed or refactored in separate JIRA
                color: responsive-nav-variables.$clr-sliding-panel-text-color;
              }

              opacity: 1;

              .nav-icon + .nav-text {
                display: inline-block;
              }

              @include vertical-nav.vertical-nav-link-colors();

              &.active > .nav-text {
                color: inherit;
              }
            }
          }
        }

        .clr-vertical-nav .nav-trigger {
          display: none;
        }
      }

      &.open-hamburger-menu {
        .header {
          .branding {
            position: fixed;
            top: 0;
            left: 0;
            overflow: hidden;
            width: responsive-nav-variables.$clr-sliding-panel-width;
            max-width: responsive-nav-variables.$clr-sliding-panel-width;
            z-index: responsive-nav-variables.$clr-sliding-panel-z-index + 1;
            padding-left: density.$clr-base-horizontal-offset-2xl;

            & > .nav-link {
              overflow: hidden;
            }

            //deprecate .clr-icon, .logo
            .clr-icon,
            .logo,
            cds-icon,
            clr-icon {
              display: inline-block;
            }

            cds-icon[shape='vm-bug'],
            clr-icon[shape='vm-bug'],
            .clr-vmw-logo {
              background-color: header-variables.$clr-header-bg-color;
              border-radius: tokens.$cds-alias-object-border-radius-100;
            }

            .title {
              color: vertical-nav-variables.$clr-vertical-nav-item-color;
              text-overflow: ellipsis;
              overflow: hidden;
            }
          }
        }

        .clr-nav-close {
          @include menu-trigger();
          @include hamburger-menu-trigger-animation();
        }

        .header-nav.clr-nav-level-1,
        .subnav.clr-nav-level-1,
        .sub-nav.clr-nav-level-1,
        .clr-vertical-nav.clr-nav-level-1 {
          padding-top: calc(header-variables.$clr-header-height + density.$clr-base-gap-xl);
          transform: translateX(0);
          transition: responsive-nav-variables.$clr-sliding-panel-animation;
        }
      }

      &.open-overflow-menu {
        .header-nav.clr-nav-level-2,
        .subnav.clr-nav-level-2,
        .sub-nav.clr-nav-level-2,
        .clr-vertical-nav.clr-nav-level-2 {
          transform: translateX(0);
          transition: responsive-nav-variables.$clr-sliding-panel-animation;
        }

        .header-nav.clr-nav-level-2,
        .subnav.clr-nav-level-2,
        .sub-nav.clr-nav-level-2 {
          padding-top: density.$clr-base-vertical-offset-2xl;
        }

        .clr-nav-close {
          @include menu-trigger(0, auto, (calc(-1 * #{responsive-nav-variables.$clr-trigger-position})));
          @include overflow-menu-trigger-animation();
        }
      }

      &.open-hamburger-menu {
        .header-nav.clr-nav-level-1,
        .subnav.clr-nav-level-1,
        .sub-nav.clr-nav-level-1,
        .clr-vertical-nav.clr-nav-level-1 {
          overflow: inherit;
          width: responsive-nav-variables.$clr-sliding-panel-width;
          max-width: responsive-nav-variables.$clr-sliding-panel-width;

          &::before {
            content: none;
          }

          & .nav-link {
            width: 100%;
          }
        }
      }

      &.open-overflow-menu {
        .header-nav.clr-nav-level-2,
        .subnav.clr-nav-level-2,
        .sub-nav.clr-nav-level-2,
        .clr-vertical-nav.clr-nav-level-2 {
          width: responsive-nav-variables.$clr-sliding-panel-width;
          max-width: responsive-nav-variables.$clr-sliding-panel-width;
        }
      }
    }
  }

  @media screen and (max-width: map.get(variables.$clr-grid-breakpoints, sm)) {
    .main-container {
      .header {
        .branding {
          max-width: mixins.baselinePx(144);
          min-width: 0;
          overflow: hidden;
        }
      }

      .header-nav.clr-nav-level-1,
      .subnav.clr-nav-level-1,
      .sub-nav.clr-nav-level-1,
      .clr-vertical-nav.clr-nav-level-1 {
        transform: translateX(calc(-1 * #{responsive-nav-variables.$clr-sliding-panel-width-sm}));
      }

      .header-nav.clr-nav-level-2,
      .subnav.clr-nav-level-2,
      .sub-nav.clr-nav-level-2,
      .clr-vertical-nav.clr-nav-level-2 {
        transform: translateX(responsive-nav-variables.$clr-sliding-panel-width-sm);
      }
    }

    .main-container {
      &.open-hamburger-menu {
        .header {
          .branding {
            width: responsive-nav-variables.$clr-sliding-panel-width-sm;
            max-width: responsive-nav-variables.$clr-sliding-panel-width-sm;
          }
        }

        .header-nav.clr-nav-level-1,
        .subnav.clr-nav-level-1,
        .sub-nav.clr-nav-level-1,
        .clr-vertical-nav.clr-nav-level-1 {
          overflow: inherit;
          width: responsive-nav-variables.$clr-sliding-panel-width-sm;
          max-width: responsive-nav-variables.$clr-sliding-panel-width-sm;
        }

        .clr-nav-close {
          @include menu-trigger(auto, 0, responsive-nav-variables.$clr-trigger-position-sm);
        }
      }

      &.open-overflow-menu {
        .header-nav.clr-nav-level-2,
        .subnav.clr-nav-level-2,
        .sub-nav.clr-nav-level-2,
        .clr-vertical-nav.clr-nav-level-2 {
          width: responsive-nav-variables.$clr-sliding-panel-width-sm;
          max-width: responsive-nav-variables.$clr-sliding-panel-width-sm;
        }

        .clr-nav-close {
          @include menu-trigger(0, auto, (calc(-1 * #{responsive-nav-variables.$clr-trigger-position-sm})));
        }
      }
    }
  }
}