import { Button, Heading, Text } from '@moex-vibe/design-system'
import { Box } from '@mui/material'
import { useEffect } from 'react'
import {
  BROKER_OPERATION_TYPE_OPTIONS,
  isBrokerOperationType,
  useBrokerOperations,
  useSyncBrokerOperations,
} from '@/entities/broker-operation'
import { useSearchParamsCompat } from '@/shared/lib/router/useSearchParams'
import { useCursorPagination } from '@/shared/lib/useCursorPagination'
import { useBrokerAccountContext } from '@/widgets/broker-account-layout'
import { BrokerOperationsTable } from '@/widgets/broker-operations-table'

function getDefaultSyncRange() {
  const now = new Date()
  const start = new Date(Date.UTC(now.getUTCFullYear(), 0, 1))
  return {
    from: start.toISOString(),
    to: now.toISOString(),
  }
}

export function BrokerOperationsPage() {
  const { accountId } = useBrokerAccountContext()
  const sync = useSyncBrokerOperations(accountId)
  const [searchParams, setSearchParams] = useSearchParamsCompat()
  const urlType = searchParams.get('type')
  const selectedType = isBrokerOperationType(urlType) ? urlType : ''
  const pagination = useCursorPagination()

  const operations = useBrokerOperations(accountId, {
    limit: 10,
    cursor: pagination.cursor,
    operationTypes: selectedType || undefined,
  })

  useEffect(() => {
    pagination.reset()
  }, [pagination.reset])

  function handleTypeChange(event: React.ChangeEvent<HTMLSelectElement>) {
    const nextType = event.target.value
    setSearchParams(nextType ? { type: nextType } : {}, { replace: true })
  }

  const history = operations.error ? (
    <Text component="p" tone="negative" role="alert">
      Не удалось загрузить историю операций
    </Text>
  ) : (
    <BrokerOperationsTable
      title="История операций"
      emptyMessage={
        selectedType ? 'Операций выбранного типа нет' : 'Операций с начала текущего года нет'
      }
      isLoading={operations.isLoading}
      isFetching={operations.isFetching}
      page={operations.data}
      pagination={{
        pageNumber: pagination.pageNumber,
        canGoBack: pagination.pageNumber > 1,
        canGoForward: Boolean(operations.data?.hasNext && operations.data.nextCursor),
        onPrevious: pagination.handlePrevious,
        onNext: () => pagination.handleNext(operations.data?.nextCursor),
      }}
    />
  )

  function handleSync() {
    const range = getDefaultSyncRange()
    sync.mutate(range)
  }

  return (
    <Box component="section" aria-labelledby="broker-operations-heading">
      <Box
        sx={{ display: 'flex', alignItems: 'end', justifyContent: 'space-between', gap: 2, mb: 2 }}
      >
        <Box sx={{ display: 'flex', alignItems: 'end', gap: 2 }}>
          <Heading level={2} id="broker-operations-heading">
            Операции
          </Heading>
          <Button variant="secondary" size="small" loading={sync.isPending} onClick={handleSync}>
            Синхронизировать
          </Button>
        </Box>
        <Box component="label" sx={{ display: 'grid', gap: 0.5, color: 'text.secondary' }}>
          <Text variant="label">Тип операции</Text>
          <select value={selectedType} onChange={handleTypeChange}>
            <option value="">Все операции</option>
            {BROKER_OPERATION_TYPE_OPTIONS.map((option) => (
              <option key={option.value} value={option.value}>
                {option.label}
              </option>
            ))}
          </select>
        </Box>
      </Box>
      {sync.isSuccess && (
        <Text component="p" tone="positive" style={{ marginBottom: '12px' }}>
          Синхронизировано: {sync.data?.upserted} операций
        </Text>
      )}
      {sync.isError && (
        <Text component="p" tone="negative" style={{ marginBottom: '12px' }}>
          Ошибка синхронизации
        </Text>
      )}
      {history}
    </Box>
  )
}