package magna

import (
	"fmt"
)

// BufferOverflowError represents an error when there is a buffer overflow.
type BufferOverflowError struct {
	Length int
	Offset int
}

func (e *BufferOverflowError) Error() string {
	return fmt.Sprintf("magna: offset %d is past the buffer length %d", e.Offset, e.Length)
}

// InvalidLabelError represents an error when an invalid label length is encountered.
type InvalidLabelError struct {
	Length int
}

func (e *InvalidLabelError) Error() string {
	return fmt.Sprintf("magna: received invalid label length %d", e.Length)
}

// DomainCompressionError represents an error related to domain compression.
type DomainCompressionError struct{}

func (e *DomainCompressionError) Error() string {
	return "magna: loop detected in domain compression"
}

// MagnaError represents a generic error with a custom message.
type MagnaError struct {
	Message string
}

func (e *MagnaError) Error() string {
	return fmt.Sprintf("magna: %s", e.Message)
}