package database

import (
	"fmt"
	"log"
	"wx_service/config"

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

var DB *gorm.DB

func InitDB() error {
	cfg := config.AppConfig.Database

	dsn := fmt.Sprintf("%s:%s@tcp(%s:%s)/%s?charset=utf8mb4&parseTime=True&loc=Local",
		cfg.User,
		cfg.Password,
		cfg.Host,
		cfg.Port,
		cfg.DBName,
	)

	var err error
	DB, err = gorm.Open(mysql.Open(dsn), &gorm.Config{
		Logger: logger.Default.LogMode(logger.Info),
	})

	if err != nil {
		return fmt.Errorf("连接数据库失败: %v", err)
	}

	log.Println("数据库连接成功")
	return nil
}

func AutoMigrate(models ...interface{}) error {
	return DB.AutoMigrate(models...)
}