@import './../theme/vars.scss';
@import './../mixins/index.scss';

$spin-prefix-cls: #{$vender-prefix}-spin;
$singleSpin-prefix-cls: #{$vender-prefix}-single-spin;
$spin-dot-default: $text-color-secondary;

.#{$spin-prefix-cls} {
  position: absolute;
  display: none;
  font-size: $font-size-base;
  color: var(--primary-color);
  text-align: center;
  vertical-align: middle;
  opacity: 0;
  transition: transform 0.3s $ease-in-out-circ;

  &-spinning {
    position: static;
    display: inline-block;
    opacity: 1;
  }

  // tip
  // ------------------------------
  &-tip {
    color: $spin-dot-default;
  }

  // dots
  // ------------------------------

  &-dot {
    @include square($spin-dot-size);

    position: relative;
    display: inline-block;
    font-size: $spin-dot-size;

    &-spin {
      transform: rotate(45deg);
      animation: amosRotate 1.2s infinite linear;
    }
  }

  // pulse
  // ------------------------------

  &-pulse {
    @include rectangle($spin-pulse-size * 3 + 18px, $spin-pulse-size + 6px);

    position: relative;
    display: inline-block;
    font-size: $spin-pulse-size;

    &-item {
      display: inline-block;
      width: $spin-pulse-size;
      height: $spin-pulse-size;
      margin: 3px;
      background-color: var(--primary-color);
      border-radius: 100%;
      animation: amosSpinRunning 0.8s infinite normal both cubic-bezier(0.2, 0.68, 0.18, 1.08);

      &:nth-child(1) {
        animation-delay: 0.12s;
      }

      &:nth-child(2) {
        animation-delay: 0.24s;
      }

      &:nth-child(3) {
        animation-delay: 0.36s;
      }
    }
  }

  // Sizes
  // ------------------------------
  // small
  &-sm &-dot {
    @include square($spin-dot-size-sm);

    font-size: $spin-dot-size-sm;
  }

  &-sm &-pulse {
    @include rectangle($spin-pulse-size-sm * 3 + 18px, $spin-pulse-size-sm + 6px);

    font-size: $spin-pulse-size-sm;

    &-item {
      width: $spin-pulse-size-sm;
      height: $spin-pulse-size-sm;
    }
  }

  // large
  &-lg &-dot {
    @include square($spin-dot-size-lg);

    font-size: $spin-dot-size-lg;
  }

  &-lg &-pulse {
    @include rectangle($spin-pulse-size-lg * 3 + 18px, $spin-pulse-size-lg + 6px);

    font-size: $spin-pulse-size-lg;

    &-item {
      width: $spin-pulse-size-lg;
      height: $spin-pulse-size-lg;
    }
  }

  .#{$spin-prefix-cls}.#{$spin-prefix-cls}-show-text &-text {
    display: block;
  }
}

.#{$spin-prefix-cls}-nested-loading {
  position: relative;

  .#{$spin-prefix-cls} {
    position: absolute;
    z-index: 4;
    display: block;
    width: 100%;
    height: 100%;
    max-height: 320px;

    .#{$spin-prefix-cls}-dot {
      position: absolute;
      top: 50%;
      left: 50%;
      margin: -$spin-dot-size / 2;
    }

    .#{$spin-prefix-cls}-text {
      position: absolute;
      top: 50%;
      width: 100%;
      padding-top: ($spin-dot-size - $font-size-base) / 2 + 2;
      text-shadow: 0 1px 2px white;
    }

    &.#{$spin-prefix-cls}-show-text .#{$spin-prefix-cls}-dot {
      margin-top: -$spin-dot-size / 2 - 10;
    }
  }

  > div > .#{$spin-prefix-cls}-sm {
    .#{$spin-prefix-cls}-dot {
      margin: -$spin-dot-size-sm / 2;
    }

    .#{$spin-prefix-cls}-text {
      padding-top: ($spin-dot-size-sm - $font-size-base) / 2 + 2;
    }

    &.#{$spin-prefix-cls}-show-text .#{$spin-prefix-cls}-dot {
      margin-top: -$spin-dot-size-sm / 2 - 10;
    }
  }

  > div > .#{$spin-prefix-cls}-lg {
    .#{$spin-prefix-cls}-dot {
      margin: -$spin-dot-size-lg / 2;
    }

    .#{$spin-prefix-cls}-text {
      padding-top: ($spin-dot-size-lg - $font-size-base) / 2 + 2;
    }

    &.#{$spin-prefix-cls}-show-text .#{$spin-prefix-cls}-dot {
      margin-top: -$spin-dot-size-lg / 2 - 10;
    }
  }
}

.#{$spin-prefix-cls}-container {
  position: relative;
  transition: opacity 0.3s $ease-in-out;

  &::after {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 10;
    width: 100%;
    height: 100%;
    pointer-events: none;
    background: white;
    content: '';
    opacity: 0;
    transition: all 0.3s;
  }
}

.#{$spin-prefix-cls}-blur {
  overflow: hidden;
  pointer-events: none;
  opacity: 0.8;
  filter: blur(3px);
  user-select: none;

  &::after {
    pointer-events: auto;
    opacity: 0.4;
  }
}

// single spin

.#{$singleSpin-prefix-cls} {
  font-size: 26px;

  &-circle {
    position: relative;
    width: 1em;
    height: 1em;
    border: 0.1em solid var(--primary-color);
    border-bottom-color: transparent;
    border-radius: 50%;
    animation: 1s linear infinite singleSpinner;
  }

  &.#{$singleSpin-prefix-cls}-haschild {
    .#{$singleSpin-prefix-cls}-child,
    .#{$singleSpin-prefix-cls}-circle {
      display: inline-block;
      vertical-align: middle;
    }
  }
}

// standard-loading
.#{$vender-prefix}-standard-loading-connect {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

@media all and (-ms-high-contrast: none), (-ms-high-contrast: active) {
  /* IE10+ */
  .#{$spin-prefix-cls}-blur {
    background: $component-background;
    opacity: 0.5;
  }
}

@keyframes amosSpinRunning {
  0% {
    opacity: 1;
    transform: scale(1);
  }

  45% {
    opacity: 0.7;
    transform: scale(0.1);
  }

  80% {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes amosSpinMove {
  to {
    opacity: 1;
  }
}

@keyframes amosRotate {
  to {
    transform: rotate(405deg);
  }
}

@keyframes singleSpinner {
  from {
    transform: translate3d(0, 0, 0) rotate(0deg);
  }

  to {
    transform: translate3d(0, 0, 0) rotate(360deg);
  }
}