package repository

import (
	"errors"

	"backend/pkg/library/cassandra"
)

// Common repository errors
var (
	// ErrNotFound is returned when a requested resource is not found
	ErrNotFound = errors.New("resource not found")

	// ErrInvalidInput is returned when input validation fails
	ErrInvalidInput = errors.New("invalid input")

	// ErrDuplicateKey is returned when attempting to insert a document with a duplicate key
	ErrDuplicateKey = errors.New("duplicate key error")
)

// IsNotFound checks if the error is a not found error
func IsNotFound(err error) bool {
	if err == nil {
		return false
	}
	if err == ErrNotFound {
		return true
	}
	if cassandra.IsNotFound(err) {
		return true
	}
	return false
}