package mysqlmodel

import (
	"context"
	"fmt"
	"time"

	"git.lzcwy.cn/zhengchiliu/zt-online-game-backend/pkg/setting"
	"gorm.io/driver/mysql"
	"gorm.io/gorm"
	"gorm.io/plugin/soft_delete"
)

type Model struct {
	ID        int64                 `gorm:"column:id;primaryKey"` // 主键ID
	CreatedAt int64                 `gorm:"column:created_at"`    // 创建时间
	UpdatedAt int64                 `gorm:"column:updated_at"`    // 更新时间
	DeletedAt soft_delete.DeletedAt `gorm:"column:deleted_at"`    // 删除时间
	CreatedBy int64                 `gorm:"column:created_by"`    // 创建人
	UpdatedBy int64                 `gorm:"column:updated_by"`    // 更新人
	DeletedBy int64                 `gorm:"column:deleted_by"`    // 删除人
}

// NewMysqlEngine 根据配置创建 GORM MySQL 连接并完成连接池初始化。
func NewMysqlEngine(mysqlSetting *setting.MysqlSettingS) (*gorm.DB, error) {
	s := fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local&timeout=10s&readTimeout=10s&writeTimeout=10s",
		mysqlSetting.UserName,
		mysqlSetting.Password,
		mysqlSetting.Host,
		mysqlSetting.Port,
		mysqlSetting.DBName,
	)
	db, err := gorm.Open(mysql.Open(s), &gorm.Config{})
	if err != nil {
		return nil, err
	}

	sqlDB, err := db.DB()
	if err != nil {
		return nil, err
	}

	sqlDB.SetMaxIdleConns(mysqlSetting.MaxIdleConns)
	sqlDB.SetMaxOpenConns(mysqlSetting.MaxOpenConns)
	sqlDB.SetConnMaxLifetime(time.Duration(mysqlSetting.ConnMaxLifeTime) * time.Second)
	sqlDB.SetConnMaxIdleTime(time.Duration(mysqlSetting.ConnMaxIdleTime) * time.Second)

	ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
	defer cancel()
	if err := sqlDB.PingContext(ctx); err != nil {
		return nil, err
	}
	return db, nil
}