//
// Copyright IBM Corp. 2016, 2018
//
// This source code is licensed under the Apache-2.0 license found in the
// LICENSE file in the root directory of this source tree.
//

//-----------------------------
// Select
//-----------------------------

@import '../../globals/scss/functions';
@import '../../globals/scss/vars';
@import '../../globals/scss/css--reset';
@import '../../globals/scss/helper-mixins';
@import '../../globals/scss/typography';
@import '../../globals/scss/vendor/@carbon/elements/scss/import-once/import-once';
@import '../form/form';

@mixin select {
  .#{$prefix}--select {
    @include reset;
    position: relative;
    display: flex;
    flex-direction: column;
  }

  .#{$prefix}--form__helper-text {
    order: 0;
  }

  .#{$prefix}--select-input {
    @include font-family;
    @include typescale('zeta');
    height: rem(40px);
    appearance: none;
    display: block;
    width: 100%;
    padding: 0 $spacing-2xl 0 $spacing-md;
    color: $text-01;
    background-color: $field-01;
    border: none;
    box-shadow: 0 1px 0 0 $ui-05;
    border-radius: 0;
    cursor: pointer;
    border-bottom: 1px solid transparent;

    // Hide default select arrow in IE10+
    &::-ms-expand {
      display: none;
    }

    &:focus {
      outline: none;
      box-shadow: 0 2px 0 0 $brand-01;
    }

    &[data-invalid],
    &[data-invalid]:focus {
      box-shadow: 0 2px 0 0 $support-01;
    }

    &:focus ~ .#{$prefix}--label {
      color: $brand-01;
    }

    &[data-invalid]:focus ~ .#{$prefix}--label {
      color: $support-01;
    }

    &:disabled {
      opacity: 0.5;
      cursor: not-allowed;
    }

    ~ .#{$prefix}--form-requirement {
      color: $support-01;
      font-weight: 400;
      margin-top: $spacing-2xs;

      &::before {
        display: none;
      }
    }
  }

  .#{$prefix}--select--light .#{$prefix}--select-input {
    background: $field-02;
  }

  .#{$prefix}--select__arrow {
    fill: $brand-01;
    position: absolute;
    right: 1rem;
    bottom: 1rem;
    width: rem(10px);
    height: rem(5px);
    pointer-events: none;
  }

  &[data-invalid] ~ .#{$prefix}--select__arrow {
    bottom: 2.25rem;
  }

  .#{$prefix}--select-optgroup,
  .#{$prefix}--select-option {
    color: $text-01; // For the options to show in IE11
  }

  .#{$prefix}--select-option[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
  }

  // Override some Firefox user-agent styles
  @-moz-document url-prefix() {
    .#{$prefix}--select-option {
      background-color: $ui-01;
      color: $text-01;
    }

    .#{$prefix}--select-optgroup {
      color: $text-01;
    }
  }

  .#{$prefix}--select--inline {
    display: grid;
    grid-template-columns: auto auto auto;

    // Targets IE10+ browsers: Display grid auto not supported
    @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
      display: flex;
      flex-direction: row;
      align-items: center;
    }

    .#{$prefix}--label,
    .#{$prefix}--form__helper-text,
    .#{$prefix}--select-input {
      grid-row-start: 2;
    }

    .#{$prefix}--label {
      white-space: nowrap;
      margin: 0 $spacing-xs 0 0;
      font-weight: 400;
      align-self: center;
    }

    .#{$prefix}--form__helper-text {
      grid-column-start: 3;
      align-self: center;
      margin-bottom: 0;
    }

    .#{$prefix}--select-input {
      background-color: transparent;
      color: $brand-01;
      font-weight: 600;
      box-shadow: none;

      &:hover {
        background-color: $color__white;
      }

      &:focus {
        @include focus-outline('border');
      }

      ~ .#{$prefix}--select__arrow,
      ~ .#{$prefix}--form-requirement {
        grid-column-start: 2;
      }

      ~ .#{$prefix}--select__arrow {
        position: relative;
        top: calc(100% + 1rem);
        grid-row-start: 1;
        justify-self: end;
      }

      &[data-invalid] {
        color: $text-01;
        outline-offset: 2px;

        &:focus {
          outline: 1px solid $support-01;
          box-shadow: none;
        }
      }

      &:disabled ~ * {
        opacity: 0.5;
        cursor: not-allowed;
      }

      ~ .#{$prefix}--form-requirement {
        grid-row-start: 3;

        // Targets IE10+ browsers: Display grid auto not supported
        @media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
          position: absolute;
          bottom: -1.5rem;
        }
      }
    }
  }

  //Skeleton State
  .#{$prefix}--select.#{$prefix}--skeleton {
    @include skeleton;
    width: 100%;
    height: 2.5rem;
  }

  .#{$prefix}--select.#{$prefix}--skeleton .#{$prefix}--select-input {
    display: none;
  }
}

@mixin select--x {
  .#{$prefix}--select {
    @include reset;
    position: relative;
    display: flex;
    flex-direction: column;
  }

  .#{$prefix}--select-input__wrapper {
    position: relative;
    display: flex;
    align-items: center;

    &:hover .#{$prefix}--select-input {
      background-color: $hover-ui;
    }
  }

  .#{$prefix}--select-input {
    @include type-style('body-short-01');
    @include focus-outline('reset');
    height: rem(40px);
    appearance: none;
    display: block;
    width: rem(224px);
    min-width: rem(128px);
    max-width: rem(448px);
    padding: 0 rem(42px) 0 $carbon--spacing-05; // 1.5rem + chevron width
    color: $text-01;
    background-color: $field-01;
    border: none;
    border-bottom: 1px solid $ui-04;
    border-radius: 0;
    cursor: pointer;
    transition: outline $duration--fast-01, background-color $duration--fast-01;

    &:hover {
      background-color: $hover-ui;
    }

    // Hide default select arrow in IE10+
    &::-ms-expand {
      display: none;
    }

    // Select text renders a little high on Firefox
    @-moz-document url-prefix() {
      padding-top: rem(4px);
    }

    &:focus {
      @include focus-outline('outline');
    }

    &:disabled,
    &:hover:disabled {
      cursor: not-allowed;
      background-color: $disabled-background-color;
      color: $disabled-02;
      border-bottom-color: $disabled-background-color;
    }
  }

  .#{$prefix}--select--disabled .#{$prefix}--label,
  .#{$prefix}--select--disabled .#{$prefix}--form__helper-text {
    color: $disabled-02;
  }

  .#{$prefix}--select-input__wrapper[data-invalid] .#{$prefix}--select-input {
    padding-right: rem(64px); // 1rem + chevron width + invalid icon width
  }

  .#{$prefix}--select-input__wrapper[data-invalid] .#{$prefix}--select-input,
  .#{$prefix}--select-input__wrapper[data-invalid] .#{$prefix}--select-input:focus {
    @include focus-outline('invalid');
  }

  .#{$prefix}--form-requirement {
    display: block;
    color: $support-01;
    font-weight: 400;
    overflow: visible;
  }

  .#{$prefix}--select-input:disabled ~ .#{$prefix}--select__arrow {
    fill: $disabled-02;
  }

  .#{$prefix}--select--light .#{$prefix}--select-input {
    background-color: $field-02;

    &:hover {
      background-color: $ui-01;
    }

    &:disabled,
    &:hover:disabled {
      cursor: not-allowed;
      background-color: $disabled-background-color;
      color: $disabled-02;
    }
  }

  .#{$prefix}--select__arrow {
    fill: $ui-05;
    position: absolute;
    right: 1rem;
    pointer-events: none;
  }

  .#{$prefix}--select-input__wrapper[data-invalid] .#{$prefix}--select-input ~ .#{$prefix}--select__invalid-icon {
    position: absolute;
    right: rem(34px); // 1.5rem + chevron width
  }

  .#{$prefix}--select-input__wrapper[data-invalid] .#{$prefix}--select-input ~ .#{$prefix}--select__invalid-icon {
    fill: $support-01;
  }

  .#{$prefix}--select-optgroup,
  .#{$prefix}--select-option {
    color: $text-01; // For the options to show in IE11
  }

  .#{$prefix}--select-option[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
  }

  // Override some Firefox user-agent styles
  @-moz-document url-prefix() {
    .#{$prefix}--select-option {
      background-color: $ui-01;
      color: $text-01;
    }

    .#{$prefix}--select-optgroup {
      color: $text-01;
    }
  }

  .#{$prefix}--select--inline {
    display: flex;
    flex-direction: row;
    align-items: center;
  }

  .#{$prefix}--select--inline.#{$prefix}--select--invalid .#{$prefix}--label,
  .#{$prefix}--select--inline.#{$prefix}--select--invalid .#{$prefix}--form__helper-text {
    margin-top: rem(13px);
    align-self: flex-start;
  }

  .#{$prefix}--select--inline .#{$prefix}--form__helper-text {
    margin-bottom: 0;
    margin-left: rem(8px);
  }

  .#{$prefix}--select--inline .#{$prefix}--label {
    white-space: nowrap;
    margin: 0 $carbon--spacing-03 0 0;
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input {
    background-color: transparent;
    color: $text-01;
    border-bottom: none;
    padding-left: $carbon--spacing-03;
    padding-right: rem(26px);

    @-moz-document url-prefix() {
      padding-top: 0;
    }

    &:hover {
      background-color: $hover-ui;
    }
  }

  .#{$prefix}--select--inline .#{$prefix}--select__arrow {
    bottom: auto;
    top: 1.125rem;
    right: $carbon--spacing-03;
  }

  .#{$prefix}--select--inline.#{$prefix}--select--invalid .#{$prefix}--select-input {
    padding-right: rem(50px);
  }

  .#{$prefix}--select--inline.#{$prefix}--select--invalid .#{$prefix}--select-input ~ .#{$prefix}--select__invalid-icon {
    right: rem(24px);
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input:disabled {
    color: $disabled;
    cursor: not-allowed;

    &:hover {
      background-color: transparent;
    }

    ~ * {
      cursor: not-allowed;
    }
  }

  .#{$prefix}--select--inline .#{$prefix}--select-input:disabled {
    cursor: not-allowed;
  }

  //Skeleton State
  .#{$prefix}--select.#{$prefix}--skeleton {
    @include skeleton;
    width: 100%;
    height: 2.5rem;
  }

  .#{$prefix}--select.#{$prefix}--skeleton .#{$prefix}--select-input {
    display: none;
  }
}

@include exports('select') {
  @if feature-flag-enabled('components-x') {
    @include select--x;
  } @else {
    @include select;
  }
}