package service

import "cmr-backend/internal/store/postgres"

const (
	LaunchSourceEventCurrentRelease = "event_current_release"
	LaunchModeManifestRelease       = "manifest_release"
)

type ResolvedReleaseView struct {
	LaunchMode             string  `json:"launchMode"`
	Source                 string  `json:"source"`
	EventID                string  `json:"eventId"`
	ReleaseID              string  `json:"releaseId"`
	ConfigLabel            string  `json:"configLabel"`
	ManifestURL            string  `json:"manifestUrl"`
	ManifestChecksumSha256 *string `json:"manifestChecksumSha256,omitempty"`
	RouteCode              *string `json:"routeCode,omitempty"`
}

func buildResolvedReleaseFromEvent(event *postgres.Event, source string) *ResolvedReleaseView {
	if event == nil || event.CurrentReleasePubID == nil || event.ConfigLabel == nil || event.ManifestURL == nil {
		return nil
	}

	return &ResolvedReleaseView{
		LaunchMode:             LaunchModeManifestRelease,
		Source:                 source,
		EventID:                event.PublicID,
		ReleaseID:              *event.CurrentReleasePubID,
		ConfigLabel:            *event.ConfigLabel,
		ManifestURL:            *event.ManifestURL,
		ManifestChecksumSha256: event.ManifestChecksum,
		RouteCode:              event.RouteCode,
	}
}

func buildResolvedReleaseFromSession(session *postgres.Session, source string) *ResolvedReleaseView {
	if session == nil || session.ReleasePublicID == nil || session.ConfigLabel == nil || session.ManifestURL == nil {
		return nil
	}

	view := &ResolvedReleaseView{
		LaunchMode:             LaunchModeManifestRelease,
		Source:                 source,
		ReleaseID:              *session.ReleasePublicID,
		ConfigLabel:            *session.ConfigLabel,
		ManifestURL:            *session.ManifestURL,
		ManifestChecksumSha256: session.ManifestChecksum,
		RouteCode:              session.RouteCode,
	}
	if session.EventPublicID != nil {
		view.EventID = *session.EventPublicID
	}
	return view
}