package domain

import "git.cin.su/m/Assistant/contracts/epistemics"

func AssessSourceReliability(sourceRef, domainRef string, freshness epistemics.FreshnessState, historyScore, priorScore int64, evidence []string, at int64) epistemics.SourceReliabilityAssessment {
	score := (historyScore + priorScore) / 2
	state := epistemics.ReliabilityCurrent
	if freshness == epistemics.FreshnessUnknown {
		state = epistemics.ReliabilityUnknown
	} else if freshness == epistemics.FreshnessStale {
		state = epistemics.ReliabilityAging
	}
	return epistemics.SourceReliabilityAssessment{SourceRef: sourceRef, DomainRef: domainRef, Freshness: freshness, HistoryScoreMillis: historyScore, ReliabilityScoreMillis: score, State: state, EvidenceRefs: append([]string(nil), evidence...), AssessedAtUnixMillis: at}
}