import {
  isSettlementMarketplace,
  listPeriodExports,
  listSettlementExportRuns,
  settlementExportLogAvailable
} from '../../../utils/settlementExportLog'

// Per-period lexoffice CSV export state of one marketplace order source.
//   GET ?marketplace=amazon|ebay&orderSourceId=<id>[&runs=1]
//   → { status, available, periods: { [periodId]: PeriodExportRecord }, runs? }
// Local frontend store (data/settlement-exports.db) — see
// server/utils/settlementExportLog.ts for why the C_Order marker is not enough.
export default defineEventHandler(async (event) => {
  await getTokenHelper(event) // logged-in session required, no iDempiere round-trip
  const query = getQuery(event)
  const marketplace = String(query.marketplace || '')
  const orderSourceId = Number(query.orderSourceId || 0)
  if (!isSettlementMarketplace(marketplace) || !orderSourceId) {
    return { status: 400, message: 'marketplace (amazon|ebay) and orderSourceId are required' }
  }
  const available = settlementExportLogAvailable()
  return {
    status: 200,
    available,
    periods: available ? listPeriodExports(marketplace, orderSourceId) : {},
    runs: available && String(query.runs || '') === '1' ? listSettlementExportRuns(marketplace, orderSourceId) : undefined
  }
})