package workers

import (
	"gestion/db"
	"gestion/services"
	"log"
	"time"
)

// StartDynamicPaymentChecker démarre un checker qui recharge le client NowPayments à chaque tick
// (permet de prendre en compte les changements de clé API sans redémarrer)
func StartDynamicPaymentChecker(database *db.Database, clientFn func() *services.NowPaymentsClient, interval time.Duration) {
	go func() {
		ticker := time.NewTicker(interval)
		defer ticker.Stop()
		for range ticker.C {
			np := clientFn()
			if np == nil {
				continue
			}
			checkPendingCryptoPayments(database, np)
		}
	}()
	log.Printf("[CRON] payment checker dynamique démarré (toutes les %s)", interval)
}

func checkPendingCryptoPayments(database *db.Database, np *services.NowPaymentsClient) {
	payments, err := database.GetPendingCryptoPayments()
	if err != nil {
		log.Printf("[CRON] erreur récupération paiements en attente: %v", err)
		return
	}

	for _, payment := range payments {
		status, err := np.GetPaymentStatus(payment.NowPaymentID)
		if err != nil {
			log.Printf("[CRON] erreur vérification paiement %d: %v", payment.ID, err)
			continue
		}

		if status.PaymentStatus == payment.Status {
			continue
		}

		log.Printf("[CRON] paiement %d (cmd %d): %s → %s", payment.ID, payment.CommandID, payment.Status, status.PaymentStatus)

		payAmount, _ := status.PayAmount.Float64()
		if err := database.UpdateCryptoPaymentStatus(payment.ID, status.PaymentStatus, payAmount); err != nil {
			log.Printf("[CRON] erreur mise à jour paiement %d: %v", payment.ID, err)
			continue
		}

		switch status.PaymentStatus {
		case "finished", "confirmed":
			if err := database.ActivateCryptoCommand(payment.CommandID); err != nil {
				log.Printf("[CRON] erreur activation commande %d: %v", payment.CommandID, err)
			} else {
				log.Printf("[CRON] commande %d activée après paiement crypto", payment.CommandID)
			}
		case "failed", "expired":
			if err := database.CancelCryptoCommand(payment.CommandID); err != nil {
				log.Printf("[CRON] erreur annulation commande %d: %v", payment.CommandID, err)
			} else {
				log.Printf("[CRON] commande %d annulée (paiement %s)", payment.CommandID, status.PaymentStatus)
			}
		}
	}
}