package copier

import (
	"errors"
	"fmt"
	"reflect"
)

var (
	ErrInvalidCopyDestination = errors.New("copy destination must be non-nil and addressable")
	ErrInvalidCopyFrom        = errors.New("copy from must be non-nil and addressable")
	ErrCircularReference      = errors.New("circular reference detected")
	ErrMaxDepthExceeded       = errors.New("max depth exceeded")
)

type NotSupportedError struct {
	SrcType reflect.Type
	DstType reflect.Type
}

func (e *NotSupportedError) Error() string {
	return fmt.Sprintf("unsupported type conversion from %s to %s", e.SrcType, e.DstType)
}

func ErrNotSupported(srcType, dstType reflect.Type) error {
	return &NotSupportedError{SrcType: srcType, DstType: dstType}
}