import Image from 'next/image';
import {
  ActionIcon,
  Badge,
  Button,
  createStyles,
  Group,
  Modal,
  Table,
  Text,
  Title,
} from '@mantine/core';
import {
  IconBrandDiscord,
  IconBrandGithub,
  IconLanguage,
  IconVersions,
  IconVocabulary,
  IconWorldWww,
} from '@tabler/icons';
import { i18n } from 'next-i18next';
import { ReactNode } from 'react';
import { CURRENT_VERSION } from '../../../data/constants';
import { usePrimaryGradient } from '../layout/useGradient';

interface AboutModalProps {
  opened: boolean;
  closeModal: () => void;
}

export const AboutModal = ({ opened, closeModal }: AboutModalProps) => {
  const { classes } = useStyles();
  const colorGradiant = usePrimaryGradient();
  const informations = useInformationTableItems();

  return (
    <Modal
      onClose={() => closeModal()}
      opened={opened}
      title={
        <Group spacing="sm">
          <Image src="/favicon-squared.png" width={30} height={30} />
          <Title order={3} variant="gradient" gradient={colorGradiant}>
            About Homarr
          </Title>
        </Group>
      }
      size="xl"
    >
      <Text mb="lg">
        Homarr is a simple and modern homepage for your server that helps you access all of your
        services in one place. It integrates with the services you use to display useful information
        or control them. It&apos;s easy to install and supports many different devices.
      </Text>

      <Title order={6} mb="xs" align="center">
        Version information:
      </Title>

      <Table mb="lg" striped highlightOnHover withBorder>
        <tbody>
          {informations.map((item, index) => (
            <tr key={index}>
              <td>
                <Group spacing="xs">
                  <ActionIcon className={classes.informationIcon} variant="default">
                    {item.icon}
                  </ActionIcon>
                  {item.label}
                </Group>
              </td>
              <td className={classes.informationTableColumn}>{item.content}</td>
            </tr>
          ))}
        </tbody>
      </Table>

      <Title order={6} mb="xs" align="center">
        Having trouble or questions? Connect with us!
      </Title>

      <Group grow>
        <Button
          component="a"
          href="https://github.com/ajnart/homarr"
          target="_blank"
          leftIcon={<IconBrandGithub size={20} />}
          variant="default"
        >
          GitHub
        </Button>
        <Button
          component="a"
          href="https://homarr.dev/"
          target="_blank"
          leftIcon={<IconWorldWww size={20} />}
          variant="default"
        >
          Website
        </Button>
        <Button
          component="a"
          href="https://discord.gg/aCsmEV5RgA"
          target="_blank"
          leftIcon={<IconBrandDiscord size={20} />}
          variant="default"
        >
          Discord
        </Button>
      </Group>
    </Modal>
  );
};

interface InformationTableItem {
  icon: ReactNode;
  label: string;
  content: ReactNode;
}

const useInformationTableItems = (): InformationTableItem[] => {
  const colorGradiant = usePrimaryGradient();

  const usedI18nNamespaces = i18n?.reportNamespaces?.getUsedNamespaces();
  const configuredi18nLocales: string[] = i18n?.options.locales;

  return [
    {
      icon: <IconVersions size={20} />,
      label: 'Homarr version',
      content: (
        <Badge variant="gradient" gradient={colorGradiant}>
          {CURRENT_VERSION}
        </Badge>
      ),
    },
    {
      icon: <IconLanguage size={20} />,
      label: 'Loaded I18n translation namespaces',
      content: (
        <Badge variant="gradient" gradient={colorGradiant}>
          {usedI18nNamespaces?.length ?? 'loading'}
        </Badge>
      ),
    },
    {
      icon: <IconVocabulary size={20} />,
      label: 'Configured I18n locales',
      content: (
        <Badge variant="gradient" gradient={colorGradiant}>
          {configuredi18nLocales?.length ?? 'loading'}
        </Badge>
      ),
    },
  ];
};

const useStyles = createStyles(() => ({
  informationTableColumn: {
    textAlign: 'right',
  },
  informationIcon: {
    cursor: 'default',
  },
}));