// The Versions tab's first-glance strip separates what routes report serving
// from channel targets. "Next" remains the legacy ladder's beta candidate
// when it differs from stable; app-defined pipelines explain promotion in
// their channel view instead.
package console

type ReleaseSummary struct {
	Deployment DeploymentStatus
	// NextVersion is beta's candidate when it differs from live; "" when
	// there is nothing next.
	NextVersion string
}

func assembleReleaseSummary(channels []ChannelView, routes []RouteView, acct string) ReleaseSummary {
	s := ReleaseSummary{Deployment: observedDeployment(routes, acct)}
	var beta ChannelView
	var stable ChannelView
	for _, ch := range channels {
		switch ch.Name {
		case "stable":
			stable = ch
		case "beta":
			beta = ch
		}
	}
	if stable.Err == "" && beta.Err == "" && beta.Version != "" && beta.Version != stable.Version {
		s.NextVersion = beta.Version
	}
	return s
}