package models

const AlertConfigurationVersion = 1

// AlertConfiguration represents a single version of the Alerting Engine Configuration.
type AlertConfiguration struct {
	ID int64 `xorm:"pk autoincr 'id'"`

	AlertmanagerConfiguration string
	ConfigurationHash         string
	ConfigurationVersion      string
	CreatedAt                 int64 `xorm:"created"`
	Default                   bool
	OrgID                     int64 `xorm:"org_id"`
}

// HistoricAlertConfiguration represents a previously used alerting configuration.
type HistoricAlertConfiguration struct {
	ID                 int64 `xorm:"pk autoincr 'id'"`
	AlertConfiguration `xorm:"extends"`

	// LastApplied a timestamp indicating the most recent time at which the configuration was applied to an Alertmanager, or 0 otherwise.
	// Only set this field if the configuration has been applied by the caller.
	LastApplied int64 `xorm:"last_applied"`
}

// GetLatestAlertmanagerConfigurationQuery is the query to get the latest alertmanager configuration.
type GetLatestAlertmanagerConfigurationQuery struct {
	OrgID int64
}

// SaveAlertmanagerConfigurationCmd is the command to save an alertmanager configuration.
type SaveAlertmanagerConfigurationCmd struct {
	AlertmanagerConfiguration string
	FetchedConfigurationHash  string
	ConfigurationVersion      string
	Default                   bool
	OrgID                     int64
	LastApplied               int64
}

// MarkConfigurationAsAppliedCmd is the command for marking a previously saved configuration as successfully applied.
type MarkConfigurationAsAppliedCmd struct {
	OrgID             int64
	ConfigurationHash string
}

func HistoricConfigFromAlertConfig(config AlertConfiguration) HistoricAlertConfiguration {
	// Reset the ID so it can be generated by the DB.
	config.ID = 0
	return HistoricAlertConfiguration{
		AlertConfiguration: config,
	}
}