/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2015 - present Instructure, Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import type { NewComponentTypes, SharedTokens } from '@instructure/ui-themes'
import type {
  CalendarDayProps,
  CalendarDayStyleProps,
  CalendarDayStyle
} from './props'

/**
 * ---
 * private: true
 * ---
 * Generates the style object from the theme and provided additional information
 * @param  {Object} componentTheme The theme variable object.
 * @param  {Object} props the props of the component, the style is applied to
 * @param  {Object} state the state of the component, the style is applied to
 * @return {Object} The final style object, which will be used in the component
 */
const generateStyle = (
  componentTheme: NewComponentTypes['CalendarDay'],
  props: CalendarDayProps,
  _sharedTokens: SharedTokens,
  state: CalendarDayStyleProps
): CalendarDayStyle => {
  const { isOutsideMonth, isSelected, isToday } = props
  const { isDisabled } = state

  return {
    calendarDay: {
      label: 'calendarDay',
      padding: 0
    },

    day: {
      label: 'calendarDay__day',
      display: 'flex',
      alignItems: 'center',
      justifyContent: 'center',
      background: componentTheme.background,
      color: componentTheme.color,
      fontSize: componentTheme.fontSize,
      textDecoration: 'none',
      lineHeight: 1,
      height: componentTheme.height,
      minWidth: componentTheme.minWidth,
      border: 'none',
      margin: 0,

      ...(isOutsideMonth && {
        color: componentTheme.outsideMonthColor
      }),

      ...(isSelected && {
        background: componentTheme.selectedBackground,
        borderRadius: componentTheme.selectedBorderRadius,
        color: componentTheme.selectedColor
      }),

      ...(isToday &&
        !isSelected && {
          background: componentTheme.todayBackground,
          borderRadius: componentTheme.todayBorderRadius,
          color: componentTheme.todayColor
        }),

      ...(isDisabled && {
        opacity: 0.5
      })
    }
  }
}

export default generateStyle