package gormx

type clientOptions struct {
	Db            string
	Mysql         *MysqlOptions
	Sqlite        *SqliteOptions
	Prefix        string // 表名前缀，`Article` 的表名应该是 `it_articles`
	SingularTable bool   // 使用单数表名，启用该选项，此时，`Article` 的表名应该是 `it_article`
	Loc           string // 使用时区
	Charset       string // 使用utf8mb4编码
}

type MysqlOptions struct {
	User     string
	Password string
	Host     string
	Port     int
	Database string
}

type SqliteOptions struct {
	DbPath string
}

func defaultOptions() clientOptions {
	return clientOptions{
		SingularTable: true,
		Loc:           "Local", //
		Charset:       "utf8mb4",
	}
}

type Option func(*clientOptions)

func SetMysql(user, password, host, database string, port int) Option {
	return func(o *clientOptions) {
		o.Db = "mysql"
		o.Mysql = &MysqlOptions{
			User:     user,
			Host:     host,
			Port:     port,
			Database: database,
			Password: password,
		}
		if o.Mysql.Port == 0 {
			o.Mysql.Port = 3306
		}
	}
}

// 使用sqlite数据库
func SetSqlite(dbPath string) Option {
	return func(o *clientOptions) {
		o.Db = "sqlite"
		o.Sqlite = &SqliteOptions{
			DbPath: dbPath,
		}
		if o.Sqlite.DbPath == "" {
			o.Sqlite.DbPath = "sqlite.db"
		}
	}
}

// 表名前缀
func SetTablePrefix(perfix string) Option {
	return func(o *clientOptions) {
		o.Prefix = perfix
	}
}

func SetLoc(loc string) Option {
	return func(o *clientOptions) {
		o.Loc = loc
	}
}