package main

import (
	"fmt"
	"log"
	"time"

	"bindbox-game/configs"
	"bindbox-game/internal/pkg/logger"
	"bindbox-game/internal/repository/mysql"
	"bindbox-game/internal/repository/mysql/dao"
	usersvc "bindbox-game/internal/service/user"
	"context"
	"flag"
)

func main() {
	flag.Parse()
	// 1. Initialize Configs (Requires being in the project root or having CONFIG_FILE env)
	configs.Init()

	// 2. Initialize Real MySQL Repo
	dbRepo, err := mysql.New()
	if err != nil {
		log.Fatalf("MySQL init failed: %v", err)
	}

	// 3. Initialize Logger
	d := dao.Use(dbRepo.GetDbW())
	l, err := logger.NewCustomLogger(d, logger.WithOutputInConsole())
	if err != nil {
		log.Fatalf("Logger creation failed: %v", err)
	}

	// 4. Initialize User Service
	us := usersvc.New(l, dbRepo)

	userID := int64(9090)
	orderID := int64(4695) // The order that already had double deduction
	ctx := context.Background()

	fmt.Printf("--- Verifying Idempotency for Order %d ---\n", orderID)

	// Using raw DB for checking counts
	db := dbRepo.GetDbR()

	// Count existing ledger records
	var beforeCount int64
	db.Table("user_coupon_ledger").Where("order_id = ? AND action = 'apply'", orderID).Count(&beforeCount)
	fmt.Printf("Before call: %d ledger records\n", beforeCount)

	// Call DeductCouponsForPaidOrder
	fmt.Println("Calling DeductCouponsForPaidOrder...")
	// Pass nil as tx, the service will use dbRepo.GetDbW()
	err = us.DeductCouponsForPaidOrder(ctx, nil, userID, orderID, time.Now())
	if err != nil {
		fmt.Printf("Error during DeductCouponsForPaidOrder: %v\n", err)
	}

	// Count after ledger records
	var afterCount int64
	db.Table("user_coupon_ledger").Where("order_id = ? AND action = 'apply'", orderID).Count(&afterCount)
	fmt.Printf("After call: %d ledger records\n", afterCount)

	if beforeCount == afterCount {
		fmt.Println("\nSUCCESS: Fix is idempotent! No new records added.")
	} else {
		fmt.Println("\nFAILURE: Still adding duplicate records.")
	}
}