contract

type ErrorHandler func(
	runtime runtimecontract.Runtime,
	writer nethttp.ResponseWriter,
	request Request,
	err error,
) Response

type ForwardedHeadersPolicy struct {
	TrustForwardedHeaders bool
	TrustedProxyList      []string
}

type Handler func(
	runtimeInstance runtimecontract.Runtime,
	writer nethttp.ResponseWriter,
	request Request,
) (Response, error)

type Kernel interface {
	Use(middlewares ...Middleware)

	SetNotFoundHandler(handler Handler)

	SetErrorHandler(handler ErrorHandler)

	SetForwardedHeadersPolicy(policy ForwardedHeadersPolicy)

	SetSessionCookiePolicy(policy SessionCookiePolicy)

	ServeHttp(serviceContainer containercontract.Container) nethttp.Handler
}

type MatchResult struct {
	Handler         Handler
	Params          map[string]string
	RouteAttributes map[string]any
}

type Middleware func(next Handler) Handler

type RateLimiter interface {
	Allow(key string) bool

	Reset(key string)
}

type Request interface {
	HttpRequest() *nethttp.Request

	Param(name string) (string, bool)

	Params() map[string]string

	Query() bagcontract.ParameterBag

	Post() bagcontract.ParameterBag

	Attributes() bagcontract.ParameterBag

	Header(name string) string

	RouteName() string

	RoutePattern() string

	RuntimeInstance() runtimecontract.Runtime

	RequestContext() RequestContext
}

type RequestContext interface {
	RequestId() string

	StartedAt() time.Time
}

type Response interface {
	StatusCode() int

	SetStatusCode(statusCode int)

	Headers() nethttp.Header

	SetHeaders(headers nethttp.Header)

	BodyReader() io.Reader

	SetBodyReader(reader io.Reader)
}

type RouteDefinition interface {
	Name() string

	Pattern() string

	Methods() []string

	Host() string

	Schemes() []string

	Requirements() map[string]string

	Defaults() map[string]string

	Locales() []string

	Priority() int

	Attributes() map[string]any
}

type RouteGroup interface {
	RouteHandler

	WithNamePrefix(namePrefix string)

	WithRequirements(requirements map[string]string)

	WithDefaults(defaults map[string]string)
}

type RouteHandler interface {
	Handle(method string, pattern string, handler Handler)

	HandleNamed(name string, method string, pattern string, handler Handler)

	HandleController(method string, pattern string, controller any)

	HandleNamedController(name string, method string, pattern string, controller any)

	HandleWithOptions(pattern string, handler Handler, options RouteOptions)
}

type RouteOptions interface {
	Name() string

	SetName(name string)

	Methods() []string

	Host() string

	Schemes() []string

	Requirements() map[string]string

	SetRequirements(requirements map[string]string)

	Defaults() map[string]string

	SetDefaults(defaults map[string]string)

	Locales() []string

	Priority() int

	Attributes() map[string]any
}

type RouteRegistry interface {
	RouteDefinitions() []RouteDefinition

	RouteDefinition(routeName string) (RouteDefinition, bool)

	RouteDefinitionForUrlGeneration(routeName string) (UrlGenerationRouteDefinition, bool)
}

type Router interface {
	RouteHandler

	RouteDefinitions() []RouteDefinition

	RouteDefinition(routeName string) (RouteDefinition, bool)

	Match(method string, path string, host string, scheme string) (*MatchResult, bool)

	Group(pathPrefix string) RouteGroup
}

type SessionCookiePolicy struct {
	Path     string
	Domain   string
	SameSite nethttp.SameSite
}

type UrlGenerationRouteDefinition interface {
	Pattern() string

	Defaults() map[string]string

	Requirements() map[string]*regexp.Regexp
}

type UrlGenerator interface {
	GeneratePath(routeName string, params map[string]string) (string, error)

	GenerateUrl(routeName string, params map[string]string, queryParams map[string]string) (string, error)
}