package projectinstance

import "errors"

var (
	ErrNotAvailable            = errors.New("project instance store not available")
	ErrProjectNotFound         = errors.New("project not found")
	ErrForbiddenNotCreator     = errors.New("forbidden: only project creator can configure workflow")
	ErrPlanFrozen              = errors.New("plan frozen: workflow already active")
	ErrWorkflowAlreadyActive   = errors.New("workflow already active for project")
	ErrPlanChangedReconfirm    = errors.New("plan changed: reconfirm required")
	ErrInvalidPlan             = errors.New("invalid workflow plan")
	ErrValidationFailed        = errors.New("workflow plan validation failed")
	ErrTokenInvalid            = errors.New("activation token invalid or expired")
	ErrConcurrentConflict      = errors.New("conflict: project version mismatch")
	ErrPlanRevisionConflict    = errors.New("conflict: plan revision mismatch")
	ErrWorkflowVersionNotFound = errors.New("workflow version not found or not published")
	ErrLegacySwitchBlocked     = errors.New("legacy workflow switch blocked: use project settings activation")
	ErrInstanceNotFound        = errors.New("workflow instance not found")
	ErrStageGateNotReady       = errors.New("stage gate not ready: required documents not approved")
	ErrStageNotActive          = errors.New("stage is not the active stage")
	ErrInvalidStage            = errors.New("invalid stage key for instance")
	ErrInstanceRevisionConflict = errors.New("conflict: instance config revision mismatch")
)