common

type ModelConfig interface {
	// DefaultSeries returns the configured default Ubuntu series
	// for the environment, and whether the default series was
	// explicitly configured on the environment.
	DefaultSeries() (string, bool)
}

type SeriesSelector struct {
	// seriesFlag is the series passed to the --series flag on the command line.
	SeriesFlag string
	// charmURLSeries is the series specified as part of the charm URL, i.e.
	// cs:trusty/ubuntu.
	CharmURLSeries string
	// conf is the configuration for the model we're deploying to.
	Conf ModelConfig
	// supportedSeries is the list of series the charm supports.
	SupportedSeries []string
	// supportedJujuSeries is the list of series that juju supports.
	SupportedJujuSeries set.Strings
	// force indicates the user explicitly wants to deploy to a requested
	// series, regardless of whether the charm says it supports that series.
	Force bool
}