@use "sass:math";

.cobalt-CalendarRangePicker {
  $calendar-range-day-color: var(--c-background-accentAlt);
  $calendar-range-day-invalid-color: var(--c-background-errorAlt);

  --calendar-day-size: 48px;

  @mixin start-range($color) {
    background-image: linear-gradient(to right, transparent 50%, $color 50%);
  }

  @mixin end-range($color) {
    background-image: linear-gradient(to left, transparent 50%, $color 50%);
  }

  @mixin start-end-day {
    position: absolute;
    z-index: -1;
    top: 0;
    left: 0;
    right: 0;

    margin: auto;

    height: var(--calendar-day-size);
    width: var(--calendar-day-size);

    box-sizing: border-box;

    content: "";

    border-radius: 8px;
  }

  position: relative;

  display: flex;
  flex-direction: column;
  align-items: flex-start;

  @include breakpoint($from: sm) {
    --calendar-day-size: 42px;
  }

  &__months-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    @apply c-gap-md;

    @include breakpoint($from: sm) {
      flex-direction: row;
      @apply c-gap-sm;
    }
  }

  &__month {
    @apply c-bg-secondary;
  }

  &__month-header {
    @apply c-text-title-sm c-text-base;
    margin-bottom: 12px;
    padding: 4px;

    text-align: center;
    font-weight: 600;
    text-transform: capitalize;
  }

  &__month__week {
    display: flex;
    justify-content: flex-end;
    width: 100%;
    margin: 0;
  }

  &__month__week ~ &__month__week {
    justify-content: flex-start;
  }

  &__month__week-header {
    display: flex;
    margin-bottom: 6px;
  }

  &__month__day-header {
    @apply c-text-subdued;
    flex: 1;

    text-align: center;
    text-transform: capitalize;
    font-weight: 400;
    font-size: 14px;
  }

  &__day {
    @apply c-text-base;

    position: relative;

    z-index: 1;

    height: var(--calendar-day-size);
    width: var(--calendar-day-size);

    display: flex;

    justify-content: center;
    align-items: center;

    box-sizing: border-box;

    flex-basis: calc(100% / 7);

    text-align: center;

    font-size: 13px;

    line-height: var(--calendar-day-size);

    font-weight: 600;

    .cobalt-CalendarRangePicker__day-notification-container {
      position: absolute;

      bottom: 0;

      width: 100%;
      height: 18px;

      display: flex;

      justify-content: center;
      align-items: center;
    }

    .cobalt-CalendarRangePicker__day-notification {
      width: 4px;
      height: 4px;

      border-radius: 50%;

      background-color: var(--c-navy-300);
    }

    &--today {
      @apply c-text-accent;
      font-weight: 600;
    }

    &--selected {
      @apply c-text-accent;

      background-color: $calendar-range-day-color;

      .cobalt-CalendarRangePicker__day-notification {
        @apply c-bg-accent;
      }
    }

    &--disabled {
      @apply c-text-disabled;

      text-decoration: line-through;
    }

    &--startDay.cobalt-CalendarRangePicker__day--selected,
    &--endDay.cobalt-CalendarRangePicker__day--selected {
      background-color: transparent;
    }

    &--startDay:not(&--endDay).cobalt-CalendarRangePicker__day--range {
      @include start-range($calendar-range-day-color);
    }

    &--endDay:not(&--startDay).cobalt-CalendarRangePicker__day--range {
      @include end-range($calendar-range-day-color);
    }

    &--startDay:not(
        &--endDay
      ).cobalt-CalendarRangePicker__day--range.cobalt-CalendarRangePicker__day--invalid {
      @include start-range($calendar-range-day-invalid-color);
    }

    &--endDay:not(
        &--startDay
      ).cobalt-CalendarRangePicker__day--range.cobalt-CalendarRangePicker__day--invalid {
      @include end-range($calendar-range-day-invalid-color);
    }

    &--startDay:after,
    &--endDay:after {
      @include start-end-day;
      background-color: $calendar-range-day-color;
    }

    &--active:not(&--invalid) {
      @apply c-text-onAccent;
    }

    &--active .cobalt-CalendarRangePicker__day-notification {
      @apply c-bg-primary;
    }

    &--active:not(&--invalid):after {
      @apply c-bg-accent;
    }

    &--invalid {
      @apply c-text-error;

      background-color: $calendar-range-day-invalid-color;

      &:after {
        background-color: $calendar-range-day-invalid-color;
      }

      .cobalt-CalendarRangePicker__day-notification {
        @apply c-bg-error;
      }
    }

    &--endDay.cobalt-CalendarRangePicker__day--active.cobalt-CalendarRangePicker__day--invalid:not(
        &--range
      ):not(&--startDay) {
      &:after {
        @apply c-bg-primary;
      }
    }

    &--endDay.cobalt-CalendarRangePicker__day--active.cobalt-CalendarRangePicker__day--invalid {
      &:after {
        @apply c-border c-border-error;
        border-width: 2px;
      }
    }

    //Start day = end day
    &--startDay.cobalt-CalendarRangePicker__day--endDay {
      &:before {
        @apply c-border c-border-onAccent;

        position: absolute;

        z-index: 0;

        top: 2px;
        left: 2px;

        height: calc(100% - 4px);
        width: calc(100% - 4px);

        border-width: 2px;

        box-sizing: border-box;

        border-radius: 7px;

        content: "";
      }

      &.cobalt-CalendarRangePicker__day--invalid:after {
        background-color: $calendar-range-day-invalid-color;
      }
    }
  }

  &--isEditing
    .cobalt-CalendarRangePicker__day:not(
      .cobalt-CalendarRangePicker__day--disabled
    ) {
    cursor: pointer;
  }

  &__message {
    display: flex;
    justify-content: center;
    align-items: center;

    margin: 0;

    @apply c-py-none c-px-sm;

    height: 0;

    opacity: 0;

    transition:
      height 350ms,
      opacity 350ms;

    &--show {
      height: 40px;

      opacity: 1;
    }

    .cobalt-Hint {
      margin: 0;
    }
  }
}

.tippy-box[data-theme~="range-picker"] {
  @apply c-border c-border-base;
}

.tippy-box[data-theme~="range-picker"] .tippy-arrow:after {
  position: absolute;

  left: 0;

  z-index: -1;

  border-color: transparent;
  border-style: solid;

  color: color-var(stroke, base);

  content: "";
}

.tippy-box[data-theme~="range-picker"][data-placement^="top"]
  > .tippy-arrow:after {
  bottom: -9px;

  border-width: 8px 8px 0;
  border-top-color: initial;
  transform-origin: center top;
}

.tippy-box[data-theme~="range-picker"][data-placement^="bottom"]
  > .tippy-arrow:after {
  top: -9px;

  border-width: 0 8px 8px;
  border-bottom-color: initial;
  transform-origin: center bottom;
}