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("--- Inconsistency Audit (Cloud DB) ---")

	fmt.Println("\n1. Coupons with Balance = 0 but Status != 2 (Used):")
	var res1 []map[string]interface{}
	db.Raw("SELECT id, user_id, coupon_id, status, balance_amount, valid_end FROM user_coupons WHERE balance_amount = 0 AND status != 2").Scan(&res1)
	for _, res := range res1 {
		fmt.Printf("ID: %v, User: %v, Status: %v, ValidEnd: %v\n", res["id"], res["user_id"], res["status"], res["valid_end"])
	}

	fmt.Println("\n2. Coupons in Status = 2 (Used) but Balance > 0:")
	var res2 []map[string]interface{}
	db.Raw("SELECT id, user_id, coupon_id, status, balance_amount, valid_end FROM user_coupons WHERE status = 2 AND balance_amount > 0").Scan(&res2)
	for _, res := range res2 {
		fmt.Printf("ID: %v, User: %v, Bal: %v, ValidEnd: %v\n", res["id"], res["user_id"], res["balance_amount"], res["valid_end"])
	}

	fmt.Println("\n3. Expired Time (valid_end < NOW) but Status = 1 (Unused):")
	var res3 []map[string]interface{}
	db.Raw("SELECT id, user_id, coupon_id, status, balance_amount, valid_end FROM user_coupons WHERE valid_end < NOW() AND status = 1").Scan(&res3)
	for _, res := range res3 {
		fmt.Printf("ID: %v, User: %v, Bal: %v, ValidEnd: %v\n", res["id"], res["user_id"], res["balance_amount"], res["valid_end"])
	}
}