//
// 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/vendor/@carbon/elements/scss/import-once/import-once';
@import '../../globals/scss/css--reset';
@import '../form/form';

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

  .#{$prefix}--number input[type='number'] {
    @include typescale('zeta');
    @include font-family;
    box-sizing: border-box;
    display: inline-flex;
    width: 100%;
    min-width: 9.375rem;
    padding-left: $spacing-md;
    padding-right: $spacing-xl;
    font-weight: 300;
    height: rem(40px);
    color: $text-01;
    background-color: $field-01;
    border: none;
    box-shadow: 0 1px 0 0 $ui-05;
    order: 2;
    border-radius: 0;
    border-bottom: 1px solid transparent;

    & ~ .#{$prefix}--label {
      order: 1;
    }

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

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

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

    &:disabled ~ .#{$prefix}--number__controls {
      opacity: 0.5;
      cursor: not-allowed;
      pointer-events: none;
    }

    & ~ .#{$prefix}--form-requirement {
      order: 3;
      color: $support-01;
      font-weight: 400;
      margin-top: $spacing-2xs;
      overflow: visible;

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

  .#{$prefix}--number input[type='number'] {
    appearance: textfield; // Firefox: Hide spinner (up and down buttons)

    &::-ms-clear {
      display: none; // IE: Hide "clear-field" `x` button on input field
    }

    &::-webkit-inner-spin-button {
      appearance: none; // Safari: Hide number spinner
    }
  }

  .#{$prefix}--number__controls {
    @include reset;
    position: absolute;
    left: auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    right: 0.5rem;
    top: 2rem;
  }

  .#{$prefix}--number__control-btn {
    @include button-reset;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    position: relative;
    width: rem(20px);
    height: rem(10px);

    &:focus {
      @include focus-outline;
    }

    &:hover {
      cursor: pointer;
    }

    &:hover svg {
      fill: $hover-primary;
    }
  }

  .#{$prefix}--number__controls svg {
    fill: $brand-01;

    // Hover styles for use with old HTML w/o button
    &:hover {
      cursor: pointer;
      fill: $hover-primary;
    }
  }

  .#{$prefix}--number[data-invalid] {
    .#{$prefix}--form-requirement {
      display: inline-block;
      max-height: rem(200px);
    }

    input[type='number'],
    input[type='number']:focus {
      outline: none;
      box-shadow: 0 2px 0px 0px $support-01;
    }

    input[type='number']:focus ~ .#{$prefix}--label {
      color: $support-01;
    }
  }

  .#{$prefix}--number--nolabel .#{$prefix}--number__controls {
    top: 0.625rem;
  }

  .#{$prefix}--number--helpertext .#{$prefix}--number__controls {
    top: 2.25rem;
  }

  .#{$prefix}--number--helpertext:not([data-invalid]) .#{$prefix}--number__controls {
    top: auto;
    bottom: 0.625rem;
  }

  .#{$prefix}--number--helpertext[data-invalid] .#{$prefix}--number__controls {
    top: auto;
    bottom: 2rem;
  }

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

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

    input[type='number'] {
      display: none;
    }
  }
}

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

  .#{$prefix}--number input[type='number'] {
    @include type-style('body-short-01');
    @include focus-outline('reset');
    font-family: carbon--font-family('mono');
    box-sizing: border-box;
    display: inline-flex;
    width: 100%;
    min-width: 9.375rem;
    padding-left: $carbon--spacing-05;
    padding-right: $carbon--spacing-07;
    font-weight: 300;
    height: rem(40px);
    color: $text-01;
    background-color: $field-01;
    border: none;
    border-radius: 0;
    border-bottom: 1px solid $ui-04;
    transition: all $duration--fast-02 motion(standard, productive);

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

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

    &:disabled ~ .#{$prefix}--number__controls {
      cursor: not-allowed;
      pointer-events: none;
    }

    &:disabled ~ .#{$prefix}--number__controls svg {
      fill: $disabled;
    }

    appearance: textfield; // Firefox: Hide spinner (up and down buttons)

    &::-ms-clear {
      display: none; // IE: Hide "clear-field" `x` button on input field
    }

    &::-webkit-inner-spin-button {
      appearance: none; // Safari: Hide number spinner
    }
  }

  .#{$prefix}--number__input-wrapper {
    display: flex;
    align-items: center;

    ~ .#{$prefix}--form-requirement {
      color: $support-01;
      font-weight: 400;
      margin-top: $carbon--spacing-02;
      overflow: visible;

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

  .#{$prefix}--number__controls {
    @include reset;
    position: absolute;
    right: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
  }

  .#{$prefix}--number__control-btn {
    @include button-reset;
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: rem(32px);
    height: rem(20px);
    color: $icon-01;

    svg {
      fill: currentColor;
      position: relative;
    }

    &.up-icon svg {
      top: rem(5px);
    }

    &.down-icon svg {
      top: rem(-5px);
    }

    &:focus {
      @include focus-outline;
      color: $icon-01;
      outline-width: 2px;
      outline-offset: -2px;
    }

    &:hover {
      cursor: pointer;
    }

    &:hover {
      color: $icon-01;
    }

    &:disabled {
      cursor: not-allowed;
      color: $disabled;
    }
  }

  .#{$prefix}--number[data-invalid] {
    .#{$prefix}--form-requirement {
      display: inline-block;
      max-height: rem(200px);
    }

    input[type='number'] {
      @include focus-outline('invalid');
    }
  }

  .#{$prefix}--number__invalid {
    position: absolute;
    right: 2rem;
    fill: $support-01;
  }

  .#{$prefix}--number--light input[type='number'] {
    background-color: $field-02;
  }

  .#{$prefix}--number--mobile {
    min-width: rem(144px);
    width: auto;

    .#{$prefix}--number__control-btn,
    &.#{$prefix}--number--light .#{$prefix}--number__control-btn {
      position: static;
      width: rem(40px);
      height: rem(40px);
      background-color: $ui-01;

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

      &:focus {
        outline-width: 2px;
        outline-offset: -2px;
      }

      svg {
        position: static;
      }
    }

    input[type='number'] {
      min-width: rem(64px);
      width: auto;
      margin: 0;
      border-right: 1px solid $ui-03;
      border-left: 1px solid $ui-03;
      padding: 0;
      text-align: center;
      background-color: $field-01;
    }

    &.#{$prefix}--number--light {
      input[type='number'] {
        background-color: $field-02;
      }

      .#{$prefix}--number__control-btn {
        background-color: $ui-02;
      }
    }
  }

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

    input[type='number'] {
      display: none;
    }
  }
}

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