'use client'

import { useI18n } from '@/context/i18n-provider'
import { asI18n } from '@pikku/react'
import { LanguageLevels } from '@heygermany/sdk'
import {
  Stack,
  Title,
  Text,
  Box,
  Paper,
  Progress,
  List,
  ThemeIcon,
  Flex,
  rem,
  useMantineTheme,
} from '@pikku/mantine/core'
import {
  IconCircleCheck,
  IconExclamationCircle,
  IconClock,
  IconInfoCircle,
  IconCircle,
} from '@tabler/icons-react'

interface QualificationProps {
  title: string
  description: string
  status: string
  requirements: string[]
  steps?: string[]
  progress?: number
  fillHeight?: boolean
}

const getStatusColor = (status: string) => {
  switch (status) {
    case 'completed':
      return 'green'
    case 'required':
      return 'red'
    case 'in-progress':
      return 'orange'
    case 'optional':
      return 'blue'
    default:
      return 'gray'
  }
}

const getStatusIcon = (status: string) => {
  const iconProps = { size: 28, color: getStatusColor(status) }
  switch (status) {
    case 'completed':
      return <IconCircleCheck {...iconProps} />
    case 'required':
      return <IconExclamationCircle {...iconProps} />
    case 'in-progress':
      return <IconClock {...iconProps} />
    case 'optional':
      return <IconInfoCircle {...iconProps} />
    default:
      return <IconCircle {...iconProps} />
  }
}

export const Qualification: React.FunctionComponent<QualificationProps> = ({
  title,
  description,
  status,
  requirements,
  steps,
  progress,
  fillHeight = true,
}) => {
  const t = useI18n()
  const theme = useMantineTheme()

  function translateLevels(req: string): string {
  for (const key of Object.keys(LanguageLevels)) {
    req = req.replace(key, t(`enums.languagelevel.${key}`.toLowerCase() as any))
  }
  return req
}

  return (
    <Paper flex={1} withBorder p="lg" radius="lg" h={fillHeight ? '100%' : undefined}>
      <Stack flex={1} gap={0}>
        <Flex align="center" gap="xs" mb={5}>
          <ThemeIcon variant="transparent" color={getStatusColor(status)}>
            {getStatusIcon(status)}
          </ThemeIcon>
          <Text size="xl">{asI18n(title)}</Text>
        </Flex>

        <Flex mb="md" gap="sm" align="center">
          <Text component="span" fw="600" c={getStatusColor(status)}>
            {t(`enums.documentstatus.${status}` as any)}
          </Text>
          {!isNaN(progress!) && (
            <Progress.Root flex={1} h="md" radius="xl">
              <Progress.Section value={progress!}>
                <Progress.Label c="dimmed" fz="sm" fw={700}>
                  {progress}%
                </Progress.Label>
              </Progress.Section>
            </Progress.Root>
          )}
        </Flex>

        <Text size="lg" c="dimmed" mb="md">
          {asI18n(description)}
        </Text>

        {requirements && (
          <Box mb="md">
            <Text size="lg" fw={500} mb="xs">
              {asI18n(`${t('jobs.qualification.requirements')}:`)}
            </Text>
            <List pl="md" size="md">
              {requirements.map((req, reqIndex) => (
                <List.Item key={reqIndex}>
                  <Text c={`${theme.colors.gray[7]}`} fz="md" fw={300}>
                    {asI18n(translateLevels(req))}
                  </Text>
                </List.Item>
              ))}
            </List>
          </Box>
        )}

        {(steps?.length && steps.length > 0) ? (
          <Box mb="md">
            <Text component='h4' size="lg" fw={500} mb="xs">
              {asI18n(`${t('jobs.qualification.nextsteps')}:`)}
            </Text>
            <List pl="md" type="ordered" size="md">
              {steps.map((step, stepIndex) => (
                <List.Item key={stepIndex}>
                  <Text c={`${theme.colors.gray[7]}`} fz="md" fw={300}>
                    {asI18n(translateLevels(step))}
                  </Text>
                </List.Item>
              ))}
            </List>
          </Box>
        ) : null}
      </Stack>
    </Paper>
  )
}
