package event

import (
	"encoding/json"
	"time"
)

// Event is an immutable Bell business fact. It intentionally does not embed
// GoAdmin's mutable/soft-delete model fields.
type Event struct {
	ID                string          `json:"id" gorm:"type:uuid;primaryKey"`
	ProducerID        string          `json:"producerId" gorm:"size:128;not null;uniqueIndex:bell_event_key"`
	SourceEventID     string          `json:"sourceEventId" gorm:"size:256;not null;uniqueIndex:bell_event_key"`
	EventType         string          `json:"eventType" gorm:"size:128;not null;index"`
	OccurredAt        time.Time       `json:"occurredAt" gorm:"type:timestamptz;not null;index"`
	Location          string          `json:"location" gorm:"size:256;not null;index"`
	Severity          string          `json:"severity" gorm:"size:16;not null;index"`
	EvidenceRef       *string         `json:"evidenceRef,omitempty" gorm:"size:512"`
	NormalizedPayload json.RawMessage `json:"normalizedPayload" gorm:"type:jsonb;not null"`
	PayloadSHA256     string          `json:"-" gorm:"type:char(64);not null"`
	ReceivedAt        time.Time       `json:"receivedAt" gorm:"type:timestamptz;not null;index"`
}

func (Event) TableName() string { return "bell_events" }