apierrors

var (
	// Generic Errors
	ErrInternalServer = errors.New("internal error")
	ErrInvalidBody    = errors.New("invalid request body")
	ErrNotFound       = errors.New("not found")
	ErrUnauthorised   = errors.New("unauthorised access to API")

	// Bundle-Specific
	ErrBundleNotFound           = errors.New("bundle not found")
	ErrDeleteBundleForbidden    = errors.New("cannot delete a published bundle")
	ErrBundleAlreadyExists      = errors.New("bundle already exists")
	ErrBundleTitleAlreadyExists = errors.New("bundle with the same title already exists")
	ErrInvalidBundleState       = errors.New("invalid bundle state")
	ErrMissingBundleID          = errors.New("missing bundle ID")
	ErrInvalidBundleReference   = errors.New("invalid bundle reference")
	ErrBundleEventNotFound      = errors.New("bundle event not found")
	ErrBundleHasNoContentItems  = errors.New("bundle has no content items")

	// Content-Specific
	ErrContentItemNotFound = errors.New("content item not found")

	// Validation
	ErrMissingParameters      = errors.New("missing required parameters in request")
	ErrInvalidQueryParameter  = errors.New("invalid query parameter")
	ErrTooManyQueryParameters = errors.New("too many query parameters provided")

	// State errors
	ErrExpectedStateOfCreated  = errors.New("expected bundle state to be 'CREATED'")
	ErrExpectedStateOfApproved = errors.New("expected bundle state to be 'APPROVED'")
	ErrInvalidTransition       = errors.New("state not allowed to transition")
	ErrVersionStateNotApproved = errors.New("version state expected to be APPROVED when transitioning bundle to PUBLISHED")

	// Parsing errors
	ErrUnableToParseTime = errors.New("failed to parse time from json body")
	ErrUnableToParseJSON = errors.New("failed to parse json body")

	// Header errors
	ErrMissingIfMatchHeader = errors.New("missing If-Match header")
	ErrInvalidIfMatchHeader = errors.New("etag does not match")

	// Scheduling errors
	ErrScheduledAtRequired = errors.New("scheduled_at is required for scheduled bundles")
	ErrScheduledAtSet      = errors.New("scheduled_at should not be set for manual bundles")
	ErrScheduledAtInPast   = errors.New("scheduled_at cannot be in the past")

	// Other errors
	ErrUnableToReadMessage = errors.New("failed to read message body")
)

var ErrorToStatusCode = map[error]int{
	ErrInvalidBody:            400,
	ErrMissingParameters:      400,
	ErrInvalidQueryParameter:  400,
	ErrTooManyQueryParameters: 400,
	ErrMissingBundleID:        400,
	ErrInvalidBundleReference: 400,
	ErrInvalidBundleState:     400,
	ErrInvalidTransition:      400,
	ErrMissingIfMatchHeader:   400,

	ErrDeleteBundleForbidden:  403,
	ErrExpectedStateOfCreated: 403,

	ErrBundleNotFound:          404,
	ErrBundleEventNotFound:     404,
	ErrBundleHasNoContentItems: 404,
	ErrContentItemNotFound:     404,

	ErrBundleAlreadyExists:  409,
	ErrInvalidIfMatchHeader: 409,
}