package domain

import "strings"

// ReviewEvent is append-only audit data for the inbox workflow. It is kept
// separate from Opportunity so a transition never rewrites history.
type ReviewEvent struct {
	ID            string `bson:"_id" json:"id"`
	OwnerUID      int64  `bson:"owner_uid" json:"owner_uid"`
	OpportunityID string `bson:"opportunity_id" json:"opportunity_id"`
	From          string `bson:"from" json:"from"`
	To            string `bson:"to" json:"to"`
	Reason        string `bson:"reason,omitempty" json:"reason,omitempty"`
	Note          string `bson:"note,omitempty" json:"note,omitempty"`
	ActorUID      int64  `bson:"actor_uid" json:"actor_uid"`
	At            int64  `bson:"at" json:"at"`
}

func (e *ReviewEvent) Normalize() error {
	e.Reason = strings.TrimSpace(e.Reason)
	e.Note = strings.TrimSpace(e.Note)
	if e.ID == "" {
		e.ID = NewID()
	}
	if e.At == 0 {
		e.At = NowNano()
	}
	if e.OwnerUID <= 0 || e.OpportunityID == "" || !IsReviewState(e.To) {
		return ErrValidation
	}
	return nil
}

func LegacyReviewState(status string) (state, reason string) {
	switch status {
	case OppAccepted:
		return ReviewCompleted, ""
	case OppDismissed:
		return ReviewRemoved, RemovalLegacy
	default:
		return ReviewPending, ""
	}
}