rule

type Backend interface {
	URL() *url.URL
	ForwardHostHeader() bool
}

type Executor interface {
	Execute(ctx heimdall.RequestContext) (Backend, error)
}

type Factory interface {
	CreateRule(version, srcID string, ruleConfig config.Rule) (Rule, error)
	DefaultRule() Rule
	HasDefaultRule() bool
}

type Repository interface {
	FindRule(ctx heimdall.RequestContext) (Rule, error)

	AddRuleSet(ctx context.Context, srcID string, rules []Rule) error
	UpdateRuleSet(ctx context.Context, srcID string, rules []Rule) error
	DeleteRuleSet(ctx context.Context, srcID string) error
}

type Route interface {
	Host() string
	Path() string
	Matches(ctx heimdall.RequestContext, keys, values []string) bool
	Rule() Rule
}

type Rule interface {
	ID() string
	SrcID() string
	Execute(ctx heimdall.RequestContext) (Backend, error)
	Routes() []Route
	SameAs(other Rule) bool
	EqualTo(other Rule) bool
}

type SetProcessor interface {
	OnCreated(ctx context.Context, ruleSet *config.RuleSet) error
	OnUpdated(ctx context.Context, ruleSet *config.RuleSet) error
	OnDeleted(ctx context.Context, ruleSet *config.RuleSet) error
}