// This displays a clickable user name (or whatever children element you provide), and displays a simple tooltip of created time. OnClick a modal with more information about the user is displayed.

import { useState, ReactNode, FC } from 'react';
import { Divider, Modal, Typography, Row, Col, Space, Tooltip } from 'antd';
import formatDistanceToNow from 'date-fns/formatDistanceToNow';
import format from 'date-fns/format';
import { uniq } from 'lodash';

import { BanUserButton } from './BanUserButton';
import { ModeratorUserButton } from './ModeratorUserButton';

import { User, UserConnectionInfo } from '../../types/chat';
import { formatDisplayDate } from './UserTable';
import { formatUAstring } from '../../utils/format';

export type UserPopoverProps = {
  user: User;
  connectionInfo?: UserConnectionInfo | null;
  children: ReactNode;
};

export const UserPopover: FC<UserPopoverProps> = ({ user, connectionInfo, children }) => {
  const [isModalOpen, setIsModalOpen] = useState(false);
  const handleShowModal = () => {
    setIsModalOpen(true);
  };
  const handleCloseModal = () => {
    setIsModalOpen(false);
  };

  const { displayName, createdAt, previousNames, nameChangedAt, disabledAt } = user;
  const { connectedAt, messageCount, userAgent } = connectionInfo || {};

  let lastNameChangeDate = null;
  const nameList = previousNames && [...previousNames];

  if (previousNames && previousNames.length > 1 && nameChangedAt) {
    lastNameChangeDate = new Date(nameChangedAt);
    // reverse prev names for display purposes
    nameList.reverse();
  }

  const dateObject = new Date(createdAt);
  const createdAtDate = format(dateObject, 'PP pp');

  const lastNameChangeDuration = lastNameChangeDate
    ? formatDistanceToNow(lastNameChangeDate)
    : null;

  return (
    <>
      <Tooltip
        title={
          <>
            Created at: {createdAtDate}.
            <br /> Click for more info.
          </>
        }
        placement="bottomLeft"
      >
        <button
          type="button"
          aria-label="Display more details about this user"
          className="user-item-container"
          onClick={handleShowModal}
        >
          {children}
        </button>
      </Tooltip>

      <Modal
        destroyOnClose
        width={600}
        cancelText="Close"
        okButtonProps={{ style: { display: 'none' } }}
        title={`User details: ${displayName}`}
        open={isModalOpen}
        onOk={handleCloseModal}
        onCancel={handleCloseModal}
      >
        <div className="user-details">
          <Typography.Title level={4}>{displayName}</Typography.Title>
          <p className="created-at">User created at {createdAtDate}.</p>
          <Row gutter={16}>
            {connectionInfo && (
              <Col md={lastNameChangeDate ? 12 : 24}>
                <Typography.Title level={5}>
                  This user is currently connected to Chat.
                </Typography.Title>
                <ul className="connection-info">
                  <li>
                    <strong>Active for:</strong> {formatDistanceToNow(new Date(connectedAt))}
                  </li>
                  <li>
                    <strong>Messages sent:</strong> {messageCount}
                  </li>
                  <li>
                    <strong>User Agent:</strong>
                    <br />
                    {formatUAstring(userAgent)}
                  </li>
                </ul>
              </Col>
            )}
            {lastNameChangeDate && (
              <Col md={connectionInfo ? 12 : 24}>
                <Typography.Title level={5}>This user is also seen as:</Typography.Title>
                <ul className="previous-names-list">
                  {uniq(nameList).map((name, index) => (
                    <li className={index === 0 ? 'latest' : ''}>
                      <span className="user-name-item">{name}</span>
                      {index === 0 ? ` (Changed ${lastNameChangeDuration} ago)` : ''}
                    </li>
                  ))}
                </ul>
              </Col>
            )}
          </Row>
          <Divider />
          <Space direction="horizontal">
            {disabledAt ? (
              <>
                This user was banned on <code>{formatDisplayDate(disabledAt)}</code>.
                <br />
                <br />
                <BanUserButton
                  label="Unban this user"
                  user={user}
                  isEnabled={false}
                  onClick={handleCloseModal}
                />
              </>
            ) : (
              <BanUserButton
                label="Ban this user"
                user={user}
                isEnabled
                onClick={handleCloseModal}
              />
            )}
            <ModeratorUserButton user={user} onClick={handleCloseModal} />
          </Space>
        </div>
      </Modal>
    </>
  );
};

UserPopover.defaultProps = {
  connectionInfo: null,
};