/*
 * 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 { Theme, ThemeSpecificStyle } from '@instructure/ui-themes'
import { NumberInputTheme } from '@instructure/shared-types'

/**
 * Generates the theme object for the component from the theme and provided additional information
 * @param  {Object} theme The actual theme object.
 * @return {Object} The final theme object with the overrides and component variables
 */
const generateComponentTheme = (theme: Theme): NumberInputTheme => {
  const { colors, spacing, borders, typography, forms, key: themeName } = theme

  const themeSpecificStyle: ThemeSpecificStyle<NumberInputTheme> = {
    canvas: {
      color: theme['ic-brand-font-color-dark'],
      arrowsColor: theme['ic-brand-font-color-dark'],
      focusOutlineColor: theme['ic-brand-primary']
    }
  }

  const componentVariables: NumberInputTheme = {
    fontFamily: typography?.fontFamily,
    fontWeight: typography?.fontWeightNormal,

    borderWidth: borders?.widthSmall,
    borderStyle: borders?.style,
    borderColor: colors?.contrasts?.grey3045,
    borderRadius: borders?.radiusMedium,

    color: colors?.contrasts?.grey125125,
    background: colors?.contrasts?.white1010,

    requiredInvalidColor: colors?.contrasts?.red5782,

    padding: `0 ${spacing?.small}`,

    arrowsContainerWidth: '2rem',
    arrowsColor: colors?.contrasts?.grey125125,
    arrowsBackgroundColor: colors?.contrasts?.grey1111,
    arrowsHoverBackgroundColor: colors?.contrasts?.grey1214,
    arrowsBorderColor: colors?.contrasts?.grey3045,
    arrowsActiveBoxShadow: `inset 0 0 3px 1px ${colors?.contrasts?.grey1214}`,

    focusOutlineWidth: borders?.widthMedium,
    focusOutlineStyle: borders?.style,
    focusOutlineColor: colors?.contrasts?.blue4570,

    errorBorderColor: colors?.contrasts?.red4570,
    errorOutlineColor: colors?.contrasts?.red4570,

    placeholderColor: colors?.contrasts?.grey4570,

    mediumFontSize: typography?.fontSizeMedium,
    mediumHeight: forms?.inputHeightMedium,

    largeFontSize: typography?.fontSizeLarge,
    largeHeight: forms?.inputHeightLarge
  }

  return {
    ...componentVariables,
    ...themeSpecificStyle[themeName]
  }
}

export default generateComponentTheme