import type { RowDataPacket } from 'mysql2'
import { db, DB } from './db'
import { buildConcept } from './tx-concept'

/** Una transacción de pago (Stripe o SumUp) registrada en stripelog. */
export interface PaymentTx {
  id: string // referencia de la pasarela (session_id / checkout_reference)
  platform: 'Stripe' | 'SumUp'
  status: 'PAID' | 'PENDING'
  createdAt: Date
  amount: number // importe en €
  // Concepto traducible (clave + args) con reserva de texto libre.
  conceptKey: string | null
  conceptArgs: Record<string, string | number>
  conceptRaw: string
}

/**
 * Transacciones de pago de una cuenta desde `stripelog`, limitadas a las
 * dos pasarelas activas: **Stripe** (mode test/live) y **SumUp** (mode sumup).
 * `fulfilled` 1 -> PAID (pagado y entregado), 0 -> PENDING. Orden por fecha desc.
 */
export async function getPaymentTransactions(accountId: number, limit = 200): Promise<PaymentTx[]> {
  if (!accountId) return []
  try {
    const [rows] = await db(DB.default).query<RowDataPacket[]>(
      'SELECT session_id, product_name, character_name, amount, mode, service, metadata, fulfilled, timestamp FROM stripelog ' +
        "WHERE account_id = ? AND mode IN ('sumup', 'test', 'live') ORDER BY timestamp DESC LIMIT ?",
      [accountId, limit],
    )
    return rows.map((r) => {
      const c = buildConcept(
        String(r.product_name || '—'),
        r.service ? String(r.service) : null,
        String(r.character_name || ''),
        r.metadata ? String(r.metadata) : null,
      )
      return {
        id: String(r.session_id || ''),
        platform: r.mode === 'sumup' ? 'SumUp' : 'Stripe',
        status: r.fulfilled ? 'PAID' : 'PENDING',
        createdAt: new Date(r.timestamp),
        amount: Number(r.amount),
        conceptKey: c.conceptKey,
        conceptArgs: c.conceptArgs,
        conceptRaw: c.conceptRaw,
      }
    })
  } catch {
    return []
  }
}