package evaluation

import (
	"encoding/json"
	"time"
)

// Evaluation is an immutable explanation of one rule version evaluated
// against one Event.
type Evaluation struct {
	EventID      string          `json:"eventId" gorm:"type:uuid;primaryKey"`
	RuleID       string          `json:"ruleId" gorm:"type:uuid;primaryKey"`
	RuleVersion  int             `json:"ruleVersion" gorm:"not null"`
	RuleSnapshot json.RawMessage `json:"ruleSnapshot" gorm:"type:jsonb;not null"`
	Matched      bool            `json:"matched" gorm:"not null"`
	Explanation  string          `json:"explanation" gorm:"size:512;not null"`
	EvaluatedAt  time.Time       `json:"evaluatedAt" gorm:"type:timestamptz;not null"`
}

func (Evaluation) TableName() string { return "bell_rule_evaluations" }