package logger

// Message format(s)
//
// Unixdate : message\n
//
// Unixdate : Error: error\n
//
// Unixdate : uuid : message\n
//
// Unixdate : uuid : Error: error\n
type Logger interface {
	ReleaseLogger
	DebugLogger
}

type (
	ReleaseLogger interface {
		// Private, use it for member initialization etc
		init()
		// Start an infinite loop to write out messages from the channel
		StartLogger()
		Write(message string)
		WriteRequest(message string, uuid string)
		// If an error that is not nill passed in it logs the error and returns 1, otherwise 0
		WriteErr(error) int
		WriteErrRequest(err error, uuid string) int
	}
	// Use _DEBUG prints to strip them out of release builds
	DebugLogger interface {
		// Private, use it for member initialization etc
		init()
		// Start an infinite loop to write out messages from the channel
		StartLogger()
		WriteDebug(message string)
		WriteRequestDebug(message string, uuid string)
		WriteErrDebug(err error) (errnum int)
		WriteErrRequestDebug(err error, uuid string) int
	}
)

// Ensure all methods from LGRImpl are implemented ccompile time
var (
	_ Logger = (*NullLoggerImpl)(nil)
	_ Logger = (*ConsoleLoggerImpl)(nil)
	_ Logger = (*FileLoggerImpl)(nil)
)