import {
  Badge,
  Box,
  Button,
  Code,
  Divider,
  Drawer,
  Group,
  Loader,
  Paper,
  ScrollArea,
  SimpleGrid,
  Stack,
  Table,
  Text,
  ThemeIcon,
  Title,
  Tooltip,
} from '@mantine/core'
import { useDisclosure } from '@mantine/hooks'
import { useQuery } from '@tanstack/react-query'
import { Link } from '@tanstack/react-router'
import dayjs from 'dayjs'
import { useState } from 'react'
import { TbBug, TbExternalLink, TbHistory, TbMessageReport } from 'react-icons/tb'

export interface ErrorDataTableProps {
  appId?: string
}

const STATUS_COLOR: Record<string, string> = {
  OPEN: 'red',
  IN_PROGRESS: 'blue',
  ON_HOLD: 'orange',
  RESOLVED: 'teal',
  RELEASED: 'green',
  CLOSED: 'gray',
}
const STATUS_LABEL: Record<string, string> = {
  OPEN: 'Open',
  ON_HOLD: 'On Hold',
  IN_PROGRESS: 'In Progress',
  RESOLVED: 'Resolved',
  RELEASED: 'Released',
  CLOSED: 'Closed',
}

export function ErrorDataTable({ appId }: ErrorDataTableProps) {
  const [opened, { open, close }] = useDisclosure(false)
  const [selectedError, setSelectedError] = useState<any>(null)
  const [showStackTrace, setShowStackTrace] = useState(false)

  const { data: bugsData, isLoading } = useQuery({
    queryKey: ['bugs', appId],
    queryFn: () => fetch(`/api/bugs?app=${appId || 'all'}&limit=10`).then((r) => r.json()),
  })

  const bugs = bugsData?.data || []

  const handleRowClick = (error: any) => {
    setSelectedError(error)
    setShowStackTrace(false)
    open()
  }

  return (
    <>
      <Paper withBorder radius="2xl" className="glass" style={{ overflow: 'hidden' }}>
        <Box p="lg" style={{ borderBottom: '1px solid rgba(255,255,255,0.08)' }}>
          <Group justify="space-between">
            <Group gap="sm">
              <ThemeIcon variant="light" color="red" size="lg" radius="md">
                <TbBug size={20} />
              </ThemeIcon>
              <Stack gap={0}>
                <Text fw={700} size="sm">Latest Error Reports</Text>
                <Text size="xs" c="dimmed">Most recent open bugs</Text>
              </Stack>
            </Group>
            <Tooltip label="View all reports" withArrow>
              <Button
                component={Link}
                to={appId ? `/apps/${appId}/errors` : '/bug-reports'}
                variant="subtle"
                size="compact-sm"
                color="blue"
                rightSection={<TbExternalLink size={14} />}
              >
                View All
              </Button>
            </Tooltip>
          </Group>
        </Box>

        <ScrollArea>
          <Table verticalSpacing="sm" highlightOnHover className="data-table">
            <Table.Thead>
              <Table.Tr>
                <Table.Th px="lg">Error Description</Table.Th>
                <Table.Th>Reporter</Table.Th>
                <Table.Th>Version</Table.Th>
                <Table.Th>Reported</Table.Th>
                <Table.Th pr="lg">Status</Table.Th>
              </Table.Tr>
            </Table.Thead>
            <Table.Tbody>
              {isLoading ? (
                <Table.Tr>
                  <Table.Td colSpan={5}>
                    <Group justify="center" py="xl">
                      <Loader size="sm" type="dots" />
                    </Group>
                  </Table.Td>
                </Table.Tr>
              ) : bugs.length === 0 ? (
                <Table.Tr>
                  <Table.Td colSpan={5}>
                    <Stack align="center" gap="xs" py="xl">
                      <TbBug size={32} style={{ opacity: 0.25 }} />
                      <Text size="sm" c="dimmed">No error reports found.</Text>
                    </Stack>
                  </Table.Td>
                </Table.Tr>
              ) : bugs.map((error: any) => (
                <Table.Tr
                  key={error.id}
                  onClick={() => handleRowClick(error)}
                  style={{ cursor: 'pointer' }}
                >
                  <Table.Td px="lg">
                    <Text size="sm" fw={600} lineClamp={1}>{error.description}</Text>
                  </Table.Td>
                  <Table.Td>
                    <Badge variant="light" color="brand-blue" size="sm">
                      {error.user?.name || error.userId || 'System'}
                    </Badge>
                  </Table.Td>
                  <Table.Td>
                    <Badge variant="light" color="gray" size="sm">
                      v{error.affectedVersion || 'N/A'}
                    </Badge>
                  </Table.Td>
                  <Table.Td>
                    <Group gap={4}>
                      <TbHistory size={12} color="gray" />
                      <Text size="xs" c="dimmed">
                        {dayjs(error.createdAt).format('D MMM YYYY, HH:mm')}
                      </Text>
                    </Group>
                  </Table.Td>
                  <Table.Td pr="lg">
                    <Badge
                      color={STATUS_COLOR[error.status?.toUpperCase()] ?? 'gray'}
                      variant="light"
                      size="sm"
                    >
                      {STATUS_LABEL[error.status?.toUpperCase()] ?? error.status}
                    </Badge>
                  </Table.Td>
                </Table.Tr>
              ))}
            </Table.Tbody>
          </Table>
        </ScrollArea>
      </Paper>

      <Drawer
        opened={opened}
        onClose={close}
        position="right"
        size="md"
        title={
          <Group gap="xs">
            <TbMessageReport color="#ef4444" size={22} />
            <Title order={4}>Error Detail</Title>
          </Group>
        }
        styles={{
          header: { padding: '20px 24px', borderBottom: '1px solid var(--mantine-color-default-border)' },
        }}
      >
        {selectedError && (
          <Stack p="lg" gap="xl">
            <Box>
              <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">Description</Text>
              <Text fw={600} size="sm">{selectedError.description}</Text>
            </Box>

            <SimpleGrid cols={2} spacing="lg">
              <Box>
                <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">Status</Text>
                <Badge
                  color={STATUS_COLOR[selectedError.status?.toUpperCase()] ?? 'gray'}
                  variant="light"
                  size="sm"
                >
                  {STATUS_LABEL[selectedError.status?.toUpperCase()] ?? selectedError.status}
                </Badge>
              </Box>
              <Box>
                <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">Source</Text>
                <Badge variant="light" color="gray" size="sm">{selectedError.source}</Badge>
              </Box>
              <Box>
                <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">App Version</Text>
                <Badge variant="light" color="gray" size="sm">v{selectedError.affectedVersion || 'N/A'}</Badge>
              </Box>
              <Box>
                <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">Reported</Text>
                <Text size="sm" fw={500}>{dayjs(selectedError.createdAt).format('D MMM YYYY, HH:mm')}</Text>
              </Box>
            </SimpleGrid>

            {selectedError.device && (
              <Box>
                <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">Device</Text>
                <Text size="sm">{selectedError.device} · {selectedError.os}</Text>
              </Box>
            )}

            {selectedError.feedBack && (
              <>
                <Divider opacity={0.1} />
                <Box>
                  <Text size="xs" fw={700} c="dimmed" mb={4} tt="uppercase">Developer Feedback</Text>
                  <Text size="sm" style={{ whiteSpace: 'pre-wrap' }}>{selectedError.feedBack}</Text>
                </Box>
              </>
            )}

            <Divider opacity={0.1} />

            <Box>
              <Group justify="space-between" mb="sm">
                <Text size="xs" fw={700} c="dimmed" tt="uppercase">Stack Trace</Text>
                <Button
                  variant="subtle"
                  size="compact-xs"
                  color="gray"
                  onClick={() => setShowStackTrace((v) => !v)}
                >
                  {showStackTrace ? 'Hide' : 'Show'}
                </Button>
              </Group>
              {showStackTrace && (
                <Code
                  block
                  color="red"
                  style={{ whiteSpace: 'pre-wrap', lineHeight: 1.6, fontSize: 11, border: '1px solid var(--mantine-color-default-border)' }}
                >
                  {selectedError.stackTrace || '(no stack trace)'}
                </Code>
              )}
            </Box>
          </Stack>
        )}
      </Drawer>
    </>
  )
}