{{ define "config" }}

{{ $pkg := base $.Config.Package }}
{{ template "header" $ }}

{{ template "import" $ }}

// Option function to configure the client.
type Option func(*config)

// Config is the configuration for the client and its builder.
type config struct {
	// driver is the driver used for execute database requests.
	driver dialect.Driver
	// verbose enable a verbosity logging.
	verbose bool
	// log used for logging on verbose mode.
	log func(...interface{})
}

// Options applies the options on the config object.
func (c *config) options(opts ...Option) {
	for _, opt := range opts {
		opt(c)
	}
	if c.verbose {
		c.driver = dialect.Debug(c.driver, c.log)
	}
}

// Verbose sets the client logging to verbose.
func Verbose() Option {
	return func(c *config) {
		c.verbose = true
	}
}

// Log sets the client logging to verbose.
func Log(fn func(...interface{})) Option {
	return func(c *config) {
		c.log = fn
	}
}

// Driver configures the client driver.
func Driver(driver dialect.Driver) Option {
	return func(c *config) {
		c.driver = driver
	}
}

{{ end }}