import { BatchGetQueryExecutionCommand } from '@aws-sdk/client-athena'
import { createLogger } from '@sim/logger'
import { getErrorMessage } from '@sim/utils/errors'
import { type NextRequest, NextResponse } from 'next/server'
import { awsAthenaBatchGetQueryExecutionContract } from '@/lib/api/contracts/tools/aws/athena-batch-get-query-execution'
import { parseToolRequest } from '@/lib/api/server'
import { checkInternalAuth } from '@/lib/auth/hybrid'
import { withRouteHandler } from '@/lib/core/utils/with-route-handler'
import { createAthenaClient } from '@/app/api/tools/athena/utils'

const logger = createLogger('AthenaBatchGetQueryExecution')

export const POST = withRouteHandler(async (request: NextRequest) => {
  try {
    const auth = await checkInternalAuth(request)
    if (!auth.success || !auth.userId) {
      return NextResponse.json({ error: auth.error || 'Unauthorized' }, { status: 401 })
    }

    const parsed = await parseToolRequest(awsAthenaBatchGetQueryExecutionContract, request, {
      errorFormat: 'details',
      logger,
    })
    if (!parsed.success) return parsed.response
    const data = parsed.data.body

    const client = createAthenaClient({
      region: data.region,
      accessKeyId: data.accessKeyId,
      secretAccessKey: data.secretAccessKey,
    })

    try {
      const command = new BatchGetQueryExecutionCommand({
        QueryExecutionIds: data.queryExecutionIds,
      })

      const response = await client.send(command)

      return NextResponse.json({
        success: true,
        output: {
          queryExecutions: (response.QueryExecutions ?? []).map((execution) => ({
            queryExecutionId: execution.QueryExecutionId ?? '',
            query: execution.Query ?? null,
            state: execution.Status?.State ?? null,
            stateChangeReason: execution.Status?.StateChangeReason ?? null,
            statementType: execution.StatementType ?? null,
            database: execution.QueryExecutionContext?.Database ?? null,
            catalog: execution.QueryExecutionContext?.Catalog ?? null,
            workGroup: execution.WorkGroup ?? null,
            submissionDateTime: execution.Status?.SubmissionDateTime?.getTime() ?? null,
            completionDateTime: execution.Status?.CompletionDateTime?.getTime() ?? null,
            dataScannedInBytes: execution.Statistics?.DataScannedInBytes ?? null,
            engineExecutionTimeInMillis: execution.Statistics?.EngineExecutionTimeInMillis ?? null,
            queryPlanningTimeInMillis: execution.Statistics?.QueryPlanningTimeInMillis ?? null,
            queryQueueTimeInMillis: execution.Statistics?.QueryQueueTimeInMillis ?? null,
            totalExecutionTimeInMillis: execution.Statistics?.TotalExecutionTimeInMillis ?? null,
            outputLocation: execution.ResultConfiguration?.OutputLocation ?? null,
          })),
          unprocessedQueryExecutionIds: (response.UnprocessedQueryExecutionIds ?? []).map(
            (item) => ({
              queryExecutionId: item.QueryExecutionId ?? null,
              errorCode: item.ErrorCode ?? null,
              errorMessage: item.ErrorMessage ?? null,
            })
          ),
        },
      })
    } finally {
      client.destroy()
    }
  } catch (error) {
    const errorMessage = getErrorMessage(error, 'Failed to batch get Athena query executions')
    logger.error('BatchGetQueryExecution failed', { error: errorMessage })
    return NextResponse.json({ error: errorMessage }, { status: 500 })
  }
})