//
// 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.
//

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

@mixin form {
  .#{$prefix}--fieldset {
    @include reset;
    margin-bottom: $spacing-xl;
  }

  .#{$prefix}--form-item {
    @include font-family;
    display: flex;
    flex-direction: column;
    flex: 1;
    align-items: flex-start;
  }

  .#{$prefix}--form-item--light input,
  .#{$prefix}--form-item--light input[type='number'] {
    background: $field-02 !important;
  }

  .#{$prefix}--label {
    @include reset;
    @include font-family;
    @include typescale('zeta');
    color: $text-01;
    font-weight: $input-label-weight;
    display: inline-block;
    vertical-align: baseline;
    margin-bottom: $spacing-xs;
  }

  .#{$prefix}--label--with-helper {
    margin-bottom: 0;
  }

  .#{$prefix}--label .#{$prefix}--tooltip__trigger {
    @include typescale('zeta');
  }

  // Skeleton State
  .#{$prefix}--label.#{$prefix}--skeleton {
    @include skeleton;
    width: rem(75px);
    height: rem(14px);
  }

  input[data-invalid],
  textarea[data-invalid],
  select[data-invalid],
  .#{$prefix}--list-box[data-invalid] {
    box-shadow: 0 2px 0px 0px $support-01;

    ~ .#{$prefix}--form-requirement {
      max-height: rem(200px);
      display: block;
    }
  }

  // Fix for red ring when input is marked required in Firefox, refs #744
  input:not(output):not([data-invalid]):-moz-ui-invalid {
    box-shadow: none;
  }

  .#{$prefix}--form-requirement {
    @include reset;
    @include typescale('omega');
    margin: $spacing-sm 0 0;
    max-height: 0;
    overflow: hidden;
    font-weight: 600;
    line-height: 1.5;
    display: none;

    &::before {
      content: '*';
      display: inline-block;
      color: $support-01;
    }
  }

  .#{$prefix}--form__helper-text {
    @include typescale('omega');
    color: $text-02;
    order: 1;
    line-height: 1.5;
    z-index: 0;
    max-height: 3rem;
    opacity: 1;
    margin-bottom: $spacing-xs;
  }

  .#{$prefix}--label--disabled,
  .#{$prefix}--form__helper-text--disabled {
    opacity: 0.5;
  }
}

@mixin form--x {
  .#{$prefix}--fieldset {
    @include reset;
    margin-bottom: $carbon--spacing-07;
  }

  .#{$prefix}--form-item {
    @include type-style('body-short-01');
    display: flex;
    flex-direction: column;
    flex: 1;
    align-items: flex-start;
  }

  .#{$prefix}--label {
    @include reset;
    @include type-style('label-01');

    color: $text-02;
    font-weight: $input-label-weight;
    display: inline-block;
    vertical-align: baseline;
    margin-bottom: $carbon--spacing-03;
    line-height: rem(16px);
  }

  .#{$prefix}--label .#{$prefix}--tooltip__trigger {
    // When tooltip trigger is put in form label the trigger button should fit in the size of label
    // https://github.com/IBM/carbon-components-react/issues/115
    @include type-style('label-01');
  }

  // Skeleton State
  .#{$prefix}--label.#{$prefix}--skeleton {
    @include skeleton;
    width: rem(75px);
    height: rem(14px);
  }

  input[type='number'] {
    font-family: carbon--font-family('mono');
  }

  input[data-invalid],
  .#{$prefix}--text-input__field-wrapper[data-invalid],
  .#{$prefix}--text-area__wrapper[data-invalid] > .#{$prefix}--text-area--invalid,
  .#{$prefix}--select-input__wrapper[data-invalid],
  .#{$prefix}--list-box[data-invalid] {
    @include focus-outline('invalid');
  }

  input[data-invalid],
  .#{$prefix}--text-input__field-wrapper[data-invalid],
  .#{$prefix}--text-area__wrapper[data-invalid],
  .#{$prefix}--select-input__wrapper[data-invalid],
  .#{$prefix}--time-picker[data-invalid],
  .#{$prefix}--list-box[data-invalid] {
    ~ .#{$prefix}--form-requirement {
      max-height: rem(200px);
      display: block;
      color: $support-01;
    }
  }

  // Fix for red ring when input is marked required in Firefox, refs #744
  input:not(output):not([data-invalid]):-moz-ui-invalid {
    box-shadow: none;
  }

  .#{$prefix}--form-requirement {
    @include reset;
    @include type-style('caption-01');
    margin: $carbon--spacing-02 0 0;
    max-height: 0;
    overflow: hidden;
    line-height: 1.5;
    display: none;
  }

  .#{$prefix}--label + .#{$prefix}--form__helper-text {
    margin-top: rem(-6px); // when both helper text and label are rendered
  }

  .#{$prefix}--form__helper-text {
    @include type-style('helper-text-01');
    font-style: italic;
    color: $text-02;
    z-index: 0;
    opacity: 1;
    margin-bottom: $carbon--spacing-03;
  }

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

  @media (min-width: breakpoint('sm')) {
    .#{$prefix}--form__helper-text {
      max-width: 75%;
    }
  }
}

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