/*
 * 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 { TreeBrowserTheme } from '@instructure/shared-types'
import type { TreeBrowserStyle } 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 generateStyles = (componentTheme: TreeBrowserTheme): TreeBrowserStyle => {
  return {
    treeBrowser: {
      label: 'treeBrowser',
      boxSizing: 'border-box',
      margin: '0',
      padding: '0',
      listStyleType: 'none',
      position: 'relative',
      outline: 'none',
      '&::before': {
        content: '""',
        pointerEvents: 'none',
        boxSizing: 'border-box',
        display: 'block',
        position: 'absolute',
        top: '-0.25rem',
        bottom: '-0.25rem',
        left: '-0.25rem',
        right: '-0.25rem',
        border: `${componentTheme.focusOutlineWidth} ${componentTheme.focusOutlineStyle} ${componentTheme.focusOutlineColor}`,
        borderRadius: `calc(${componentTheme.borderRadius} * 1.5)`,
        transition: 'all 0.2s',
        opacity: 0,
        transform: 'scale(0.95)'
      },
      '&:focus::before': {
        opacity: 1,
        transform: 'scale(1)'
      }
    }
  }
}

export default generateStyles