/*
 * Copyright (C)  2022 Kristóf Marussy <kristof@marussy.com>
 *
 * This file is part of Sophie.
 *
 * Sophie is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 * SPDX-License-Identifier: AGPL-3.0-only
 */

import IconHttps from '@mui/icons-material/HttpsOutlined';
import IconGlobe from '@mui/icons-material/Public';
import IconWarning from '@mui/icons-material/Warning';
import { styled } from '@mui/material';
import Button from '@mui/material/Button';
import React from 'react';

import ButtonAdornment, { NO_LABEL_BUTTON_CLASS_NAME } from './ButtonAdornment';
import IconAdornment from './IconAdornment';
import type { SplitResult } from './splitUrl';

const FastColorChangingButton = styled(Button)(({ theme }) => ({
  transition: theme.transitions.create(
    ['background-color', 'box-shadow', 'border-color'],
    {
      duration: theme.transitions.duration.short,
      easing: theme.transitions.easing.easeInOut,
    },
  ),
}));

export default function UrlAdornment({
  splitResult,
  changed,
}: {
  splitResult: SplitResult;
  changed: boolean;
}): JSX.Element {
  const { type } = splitResult;
  if (changed || type === 'empty') {
    return (
      <IconAdornment position="start">
        <IconGlobe fontSize="small" />
      </IconAdornment>
    );
  }
  switch (type) {
    case 'valid': {
      const { secure } = splitResult;
      return secure ? (
        <ButtonAdornment position="start">
          <FastColorChangingButton
            aria-label="Show certificate"
            color="inherit"
            className={NO_LABEL_BUTTON_CLASS_NAME}
            startIcon={<IconHttps />}
          />
        </ButtonAdornment>
      ) : (
        <ButtonAdornment position="start">
          <FastColorChangingButton color="error" startIcon={<IconWarning />}>
            Not secure
          </FastColorChangingButton>
        </ButtonAdornment>
      );
    }
    case 'invalid':
      return (
        <ButtonAdornment position="start">
          <FastColorChangingButton color="error" startIcon={<IconWarning />}>
            Unknown site
          </FastColorChangingButton>
        </ButtonAdornment>
      );
    default:
      /* eslint-disable-next-line @typescript-eslint/restrict-template-expressions --
        Error handling for impossible case.
      */
      throw new Error(`Unexpected SplitResult: ${type}`);
  }
}