@import '../../styles/common';
@import '../../Button/styles/mixin';
@import 'mixin';

//
// Sidenavs
// --------------------------------------------------

// Base class
// --------------------------------------------------
.@{ns}sidenav {
  transition: width @sidenav-collapse-transition-config;
  width: @sidenav-default-width;

  // Remove <li/> spacing
  .@{ns}sidenav-nav > ul {
    font-size: 0;
  }

  .@{ns}nav-item > .@{ns}nav-item-content,
  .@{ns}dropdown .@{ns}dropdown-toggle,
  .@{ns}dropdown-item > .@{ns}dropdown-item-content {
    padding: @sidenav-padding-vertical @sidenav-padding-horizonal;
    transition: @nav-item-transition;
  }

  .@{ns}dropdown .@{ns}dropdown-menu {
    transition: height @sidenav-collapse-transition-config;
  }

  .@{ns}dropdown .@{ns}dropdown-toggle {
    height: auto;
    padding-right: @sidenav-padding-horizonal + @sidenav-dropdown-toggle-caret-width;

    .@{ns}dropdown-toggle-caret {
      right: @sidenav-padding-horizonal;
      top: @sidenav-padding-vertical;
    }
  }

  .@{ns}nav.@{ns}nav-vertical ul > .@{ns}dropdown:not(:first-child),
  .@{ns}nav.@{ns}nav-vertical ul > .@{ns}nav-item:not(:first-child) {
    margin-top: 0;
  }

  // Level1
  // -----------------
  .@{ns}nav-item .@{ns}nav-item-content,
  .@{ns}dropdown .@{ns}dropdown-toggle {
    font-size: @sidenav-level1-item-font-size;
    line-height: @sidenav-level1-item-line-height;
    padding-left: @sidenav-padding-horizonal + @sidenav-icon-width + @sidenav-icon-spacing;
    width: 100%;
    white-space: normal;

    > .@{ns}icon {
      font-size: @sidenav-level1-item-font-size;
      margin-right: @sidenav-icon-spacing;
      position: absolute;
      left: @sidenav-padding-horizonal;
      top: @sidenav-padding-vertical;
      line-height: @sidenav-level1-item-line-height;

      > svg {
        height: @sidenav-level1-item-font-size;
      }
    }
  }

  // Reset border-radius
  .@{ns}nav-item:not(.@{ns}nav-item-disabled) > .@{ns}nav-item-content,
  .@{ns}dropdown .@{ns}dropdown-toggle {
    border-radius: 0;
  }
}

//** Expanded styles
.@{ns}sidenav-collapse-in {
  width: @sidenav-collapse-in-width;

  //Nav item content
  .@{ns}nav-item > .@{ns}nav-item-content {
    border-radius: 0;
  }

  //Dropdown style rewrite
  .@{ns}dropdown {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column-reverse;

    // Set  the ripple effect of items.
    &-item:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content,
    &-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle {
      .button-ripple;
    }

    // Remove the ripple effect of disabled items.
    &-item-disabled &-item-content::after {
      display: none;
    }

    // Setting icon to dropdown-caret.
    .@{ns}dropdown-toggle-caret::before,
    .@{ns}dropdown-menu-toggle > .@{ns}icon::before {
      content: @dropdown-caret-content !important;
    }

    .@{ns}dropdown-toggle-caret,
    .@{ns}dropdown-menu-toggle > .@{ns}icon {
      transition: transform 0.3s linear;
    }

    // Expand
    &.@{ns}dropdown-expand .@{ns}dropdown-toggle-caret,
    .@{ns}dropdown-item.@{ns}dropdown-item-expand > .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle > .@{ns}icon {
      transform: rotate(180deg);
    }

    // Dropdown menu
    > .@{ns}dropdown-menu {
      .reset-sidenav-dropdown-menu;

      // Submenu
      .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content {
        padding: 0;

        > .@{ns}dropdown-menu-toggle {
          display: block;
          padding-right: @sidenav-padding-horizonal + @sidenav-dropdown-toggle-caret-width;
        }

        > .@{ns}dropdown-menu {
          .reset-sidenav-dropdown-menu;
        }

        &:hover {
          background-color: transparent;
        }
      }
    }
  }

  //Ellipsis
  .@{ns}dropdown-item:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content,
  .@{ns}dropdown-menu .@{ns}dropdown-menu-toggle {
    width: 100%;
    white-space: normal;
  }

  // Expand && Collapse
  //** Collapse
  .@{ns}dropdown-menu {
    overflow: hidden;
  }

  .@{ns}dropdown.@{ns}dropdown-collapse > .@{ns}dropdown-menu.@{ns}dropdown-menu-collapse-out,
  .@{ns}dropdown-item-submenu.@{ns}dropdown-item-collapse > .@{ns}dropdown-item-content > .@{ns}dropdown-menu.@{ns}dropdown-menu-collapse-out {
    display: none;
  }

  .@{ns}dropdown.@{ns}dropdown-menu-collapse-in > .@{ns}dropdown-menu.dropdown-menu-collapse-in,
  .@{ns}dropdown-item-submenu.@{ns}dropdown-menu-collapse-in > .@{ns}dropdown-item-content > .@{ns}dropdown-menu.@{ns}dropdown-menu-collapse-in {
    display: block;
  }

  // @warn Here we can only use absolute positioning because of the limitations of using <Dropdown/> component.

  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content {
    > .@{ns}dropdown-menu-toggle {
      padding-left: @sidenav-level2-retract;
      padding-right: @sidenav-padding-horizonal + @sidenav-dropdown-toggle-caret-width;
      position: relative;

      > .@{ns}dropdown-menu-toggle-icon {
        position: absolute;
        right: @sidenav-padding-horizonal;
        top: @sidenav-children-padding-vertical;
        width: auto;
        height: @sidenav-dropdown-toggle-caret-width;
      }
    }

    > .@{ns}dropdown-item-menu-icon {
      padding-top: @sidenav-children-padding-vertical;
      padding-bottom: @sidenav-children-padding-vertical;
      line-height: @line-height-base;
      width: @font-size-base;
      position: absolute;
      z-index: 1;
    }
  }

  // Level2
  // -----------------
  .@{ns}dropdown-item > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle {
    padding: @sidenav-children-padding-vertical @sidenav-padding-horizonal @sidenav-children-padding-vertical @sidenav-level2-retract;
  }

  .@{ns}dropdown-item {
    .dropdown-menu-icon-left-position(@sidenav-level2-retract);
  }

  // Level3
  // -----------------
  .@{ns}dropdown-item > .@{ns}dropdown-item-content .@{ns}dropdown-item:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu .@{ns}dropdown-menu-toggle {
    padding-left: @sidenav-level3-retract;
  }

  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu > .@{ns}dropdown-item {
    .dropdown-menu-icon-left-position(@sidenav-level3-retract);
  }

  // Level4
  // -----------------
  .@{ns}dropdown-item > .@{ns}dropdown-item-content .@{ns}dropdown-item-content .@{ns}dropdown-item:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu .@{ns}dropdown-menu .@{ns}dropdown-menu-toggle {
    padding-left: @sidenav-level4-retract;
  }

  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu .@{ns}dropdown-menu > .@{ns}dropdown-item {
    .dropdown-menu-icon-left-position(@sidenav-level4-retract);
  }

  // Level5
  // -----------------
  .@{ns}dropdown-item > .@{ns}dropdown-item-content .@{ns}dropdown-item-content .@{ns}dropdown-item-content .@{ns}dropdown-item:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu .@{ns}dropdown-menu .@{ns}dropdown-menu .@{ns}dropdown-menu-toggle {
    padding-left: @sidenav-level5-retract;
  }

  .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu .@{ns}dropdown-menu .@{ns}dropdown-menu > .@{ns}dropdown-item {
    .dropdown-menu-icon-left-position(@sidenav-level5-retract);
  }

  // Level6
  // -----------------
  .@{ns}dropdown-item > .@{ns}dropdown-item-content .@{ns}dropdown-item-content .@{ns}dropdown-item-content .@{ns}dropdown-item-content .@{ns}dropdown-item:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content {
    padding-left: @sidenav-level6-retract;
  }
}

//** Folded && Collapsing styles
.@{ns}sidenav-collapse-out {
  .@{ns}nav-item .@{ns}nav-item-content,
  .@{ns}dropdown .@{ns}dropdown-toggle {
    padding-right: 0;
    // fixed height
    height: @sidenav-item-height;
    // supplement padding
    padding-left: @sidenav-default-width;
  }

  // The same to the dropdown item
  .@{ns}dropdown-item > .@{ns}dropdown-item-content {
    @padding-right: @dropdown-item-content-padding-horizontal+ @dropdown-item-content-submenu-icon-angle-spacing + @dropdown-item-content-submenu-icon-angle-width;

    padding: @dropdown-item-content-padding-vertical @padding-right @dropdown-item-content-padding-vertical @dropdown-item-content-padding-horizontal;
  }

  .@{ns}dropdown-toggle-caret {
    display: none;
  }

  // Folded text animation setting
  .@{ns}nav-item-text,
  .@{ns}dropdown-toggle > span {
    animation: sideNavFoldedText @sidenav-collapse-transition-config forwards;
  }
}

//** Collapsing styles
.@{ns}sidenav-collapsing {
  // Rewrite  text-overflow
  &.@{ns}sidenav-collapse-in,
  &.@{ns}sidenav-collapse-out {
    .@{ns}nav-item .@{ns}nav-item-content,
    .@{ns}dropdown .@{ns}dropdown-toggle,
    .@{ns}dropdown-item .@{ns}dropdown-item-content,
    .@{ns}dropdown-item-submenu > .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle {
      text-overflow: clip;
    }
  }

  &.@{ns}sidenav-collapse-in {
    .@{ns}dropdown-toggle-caret {
      display: none;
    }
  }

  // Make sure icon text-align center
  &.@{ns}sidenav-collapse-out {
    .@{ns}dropdown .@{ns}dropdown-menu {
      padding-left: @sidenav-default-width - @sidenav-level2-retract;
    }

    .@{ns}dropdown-item > .@{ns}dropdown-item-content {
      animation: sideNavFoldedText @sidenav-collapse-transition-config;
    }
  }
}

// Alternate Sidenavs
// --------------------------------------------------

//** Default Sidenav
.@{ns}sidenav-default {
  background-color: @sidenav-default-bg;
}

.@{ns}sidenav-default.@{ns}sidenav-collapse-in,
.@{ns}sidenav-default.@{ns}sidenav-collapsing {
  .@{ns}dropdown-menu > li > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle {
    color: @sidenav-default-font-color;

    &:hover,
    &:focus {
      background-color: @sidenav-default-hover-bg;
      color: @sidenav-default-hover-font-color;
    }

    &:active {
      background-color: @sidenav-default-click-bg;
    }
  }

  // Reset active dropdown-item-content style
  .@{ns}dropdown-menu > li.@{ns}dropdown-item-active > .@{ns}dropdown-item-content {
    color: @sidenav-default-active-font-color;

    &,
    &:hover,
    &:focus {
      background-color: @sidenav-default-bg;
    }
  }
}

.@{ns}sidenav-default.@{ns}sidenav-collapse-in,
.@{ns}sidenav-default.@{ns}sidenav-collapsing,
.@{ns}sidenav-default.@{ns}sidenav-collapse-out {
  // Set active Level1 style
  .@{ns}dropdown-menu.@{ns}dropdown-menu-active ~ .@{ns}dropdown-toggle {
    color: @sidenav-default-font-color;

    &:hover {
      background-color: @sidenav-default-click-bg;
    }

    > .@{ns}icon {
      color: @sidenav-default-active-font-color;
    }
  }
}

//** Inverse Sidenav
.@{ns}sidenav-inverse {
  background-color: @sidenav-inverse-bg;

  // Active
  .@{ns}dropdown .@{ns}dropdown-menu-active ~ .@{ns}dropdown-toggle,
  .@{ns}nav-item .@{ns}nav-item-content,
  .@{ns}dropdown .@{ns}dropdown-toggle {
    &,
    &:hover,
    &:focus {
      color: @sidenav-inverse-font-color;
    }
  }

  .@{ns}sidenav-nav .@{ns}nav-item:not(.@{ns}nav-item-active) > .@{ns}nav-item-content,
  .@{ns}sidenav-nav .@{ns}dropdown .@{ns}dropdown-toggle {
    color: @sidenav-inverse-font-color;

    &:hover,
    &:focus {
      background-color: @sidenav-inverse-hover-bg;
      color: @sidenav-inverse-font-color;
    }

    &:active {
      background-color: @sidenav-inverse-active-bg;
    }
  }

  .@{ns}dropdown .@{ns}dropdown-menu-active ~ .@{ns}dropdown-toggle,
  .@{ns}nav-item-active > .@{ns}nav-item-content {
    background-color: @sidenav-inverse-active-bg;
  }
}

.@{ns}sidenav-inverse.@{ns}sidenav-collapse-in,
.@{ns}sidenav-inverse.@{ns}sidenav-collapsing {
  .@{ns}dropdown-menu > li > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle {
    color: @sidenav-inverse-font-color;

    &:hover,
    &:focus {
      background-color: @sidenav-inverse-hover-bg;
      color: @sidenav-inverse-font-color;
    }

    &:active {
      background-color: @sidenav-inverse-active-bg;
    }
  }

  // Active
  .@{ns}dropdown .@{ns}dropdown-menu-active ~ .@{ns}dropdown-toggle,
  .@{ns}nav-item-active > .@{ns}nav-item-content {
    &,
    &:hover,
    &:focus,
    &:active {
      color: @sidenav-inverse-font-color;
      background: @sidenav-inverse-active-bg;
    }
  }

  .@{ns}dropdown-menu > li.@{ns}dropdown-item-active > .@{ns}dropdown-item-content {
    background-color: @sidenav-inverse-bg;
  }

  // Reset active dropdown-item-content style
  .@{ns}dropdown-menu > li.@{ns}dropdown-item-active:not(.@{ns}dropdown-item-submenu) > .@{ns}dropdown-item-content {
    color: @sidenav-inverse-font-color;
    background-color: @sidenav-inverse-active-bg;

    &,
    &:hover,
    &:focus {
      background-color: @sidenav-inverse-active-bg;
    }
  }

  // Set active Level1 style
  .@{ns}dropdown-menu.@{ns}dropdown-menu-active ~ .@{ns}dropdown-toggle {
    color: @sidenav-inverse-font-color;
    background-color: @sidenav-inverse-active-bg;

    &:hover {
      background-color: @sidenav-inverse-active-bg;
    }

    > .@{ns}icon {
      color: @sidenav-inverse-font-color;
    }
  }
}

//** Subtle Sidenav
.@{ns}sidenav-subtle {
  background-color: @sidenav-subtle-bg;

  .@{ns}dropdown-open > .@{ns}dropdown-toggle.btn {
    background-color: transparent;

    &:hover,
    &:focus {
      background-color: @sidenav-default-hover-bg;
    }

    &:active {
      background-color: @sidenav-default-click-bg;
    }
  }
}

.@{ns}sidenav-subtle.@{ns}sidenav-collapse-in,
.@{ns}sidenav-subtle.@{ns}sidenav-collapsing {
  .@{ns}dropdown-menu > li > .@{ns}dropdown-item-content,
  .@{ns}dropdown-item-content > .@{ns}dropdown-menu-toggle {
    color: @sidenav-default-font-color;

    &:hover,
    &:focus {
      background-color: @sidenav-subtle-hover-bg;
      color: @sidenav-default-hover-font-color;
    }

    &:active {
      background-color: @sidenav-subtle-active-bg;
      color: @sidenav-subtle-active-color;
    }
  }

  // Reset active dropdown-item-content style
  .@{ns}dropdown-menu > li.@{ns}dropdown-item-active > .@{ns}dropdown-item-content {
    color: @sidenav-default-active-font-color;

    &,
    &:hover,
    &:focus {
      background-color: @sidenav-subtle-bg;
    }
  }
}

.@{ns}sidenav-subtle.@{ns}sidenav-collapse-in,
.@{ns}sidenav-subtle.@{ns}sidenav-collapsing,
.@{ns}sidenav-subtle.@{ns}sidenav-collapse-out {
  // Set active Level1 style
  .@{ns}dropdown-menu.@{ns}dropdown-menu-active ~ .@{ns}dropdown-toggle {
    color: @sidenav-default-font-color;

    &:hover {
      background-color: @sidenav-default-click-bg;
    }

    > .@{ns}icon {
      color: @sidenav-default-active-font-color;
    }
  }
}