/*
 * 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 } from '@instructure/ui-themes'
import type { SideNavBarItemProps, SideNavBarItemStyle } 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} sharedTokens Shared theme token object
 * @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: ReturnType<NewComponentTypes['SideNavBarItem']>,
  props: SideNavBarItemProps
): SideNavBarItemStyle => {
  const { selected } = props

  return {
    navigationItem: {
      borderRadius: componentTheme.borderRadius,
      label: 'navigationItem',
      fontFamily: componentTheme.fontFamily,
      fontWeight: componentTheme.fontWeight,
      display: 'block',
      width: '100%',
      textAlign: 'center',
      padding: componentTheme.contentPadding,
      cursor: 'pointer',
      border: 'none',
      boxSizing: 'border-box',
      textDecoration: componentTheme.linkTextDecoration,
      overflowWrap: 'break-word',
      wordWrap: 'break-word',
      hyphens: 'auto',
      ...(selected
        ? {
            backgroundColor: componentTheme.selectedBackgroundColor,
            color: componentTheme.selectedFontColor,
            '&:active, &:hover': {
              backgroundColor: componentTheme.selectedBackgroundColor,
              color: componentTheme.selectedFontColor,
              textDecoration: componentTheme.linkTextDecoration
            },
            '&:focus': {
              backgroundColor: componentTheme.selectedBackgroundColor,
              boxShadow: `${componentTheme.selectedOuterFocusOutlineColor}, ${componentTheme.selectedInnerFocusOutlineColor}`,
              outline: 'none'
            }
          }
        : {
            backgroundColor: componentTheme.backgroundColor,
            color: componentTheme.fontColor,
            '&:active': {
              backgroundColor: componentTheme.hoverBackgroundColor
            },
            '&:hover': {
              transition: 'background-color .3s',
              backgroundColor: componentTheme.hoverBackgroundColor,
              color: componentTheme.fontColor,
              textDecoration: componentTheme.linkTextDecoration
            },
            '&:focus': {
              backgroundColor: componentTheme.hoverBackgroundColor,
              boxShadow: `inset 0 0 0 0.125rem ${componentTheme.outerFocusOutlineColor}, inset 0 0 0 0.25rem ${componentTheme.innerFocusOutlineColor}`,
              outline: 'none'
            }
          })
    },
    icon: {
      label: 'navigationItem__icon',
      height: componentTheme.iconWrapperHeight,
      display: 'flex',
      alignItems: 'center',
      justifyContent: 'center'
    },
    label: {
      label: 'navigationItem__label',
      fontSize: componentTheme.fontSize,
      lineHeight: componentTheme.lineHeight
    }
  }
}

export default generateStyle