package main

import (
	"fmt"
	"log"

	"gorm.io/driver/mysql"
	"gorm.io/gorm"
)

const (
	DbDSN = "root:bindbox2025kdy@tcp(150.158.78.154:3306)/dev_game?charset=utf8mb4&parseTime=True&loc=Local"
)

func main() {
	db, err := gorm.Open(mysql.Open(DbDSN), &gorm.Config{})
	if err != nil {
		log.Fatalf("DB connection failed: %v", err)
	}

	fmt.Println("--- User 9090 Deep Audit (Cloud DB) ---")

	var userCoupons []struct {
		ID            int64
		CouponID      int64
		BalanceAmount int64
		Status        int32
		ValidEnd      string
	}
	db.Raw("SELECT id, coupon_id, balance_amount, status, valid_end FROM user_coupons WHERE user_id = 9090").Scan(&userCoupons)

	for _, uc := range userCoupons {
		fmt.Printf("\n[Coupon %d] Status: %v, Balance: %v, ValidEnd: %v\n", uc.ID, uc.Status, uc.BalanceAmount, uc.ValidEnd)

		// Trace Ledger
		var ledger []struct {
			ChangeAmount int64
			OrderID      int64
			Action       string
			CreatedAt    string
		}
		db.Raw("SELECT change_amount, order_id, action, created_at FROM user_coupon_ledger WHERE user_coupon_id = ?", uc.ID).Scan(&ledger)
		for _, l := range ledger {
			fmt.Printf("  -> Action: %s, Change: %d, Order: %d, Created: %s\n", l.Action, l.ChangeAmount, l.OrderID, l.CreatedAt)
		}
	}
}