api

type ClientFederationAPI interface {
	// Query the server names of the joined hosts in a room.
	// Unlike QueryJoinedHostsInRoom, this function returns a de-duplicated slice
	// containing only the server names (without information for membership events).
	// The response will include this server if they are joined to the room.
	QueryJoinedHostServerNamesInRoom(ctx context.Context, request *QueryJoinedHostServerNamesInRoomRequest, response *QueryJoinedHostServerNamesInRoomResponse) error
}

type FederationClientError struct {
	Err         string
	RetryAfter  time.Duration
	Blacklisted bool
	Code        int // HTTP Status code from the remote server
}

type FederationInternalAPI interface {
	gomatrixserverlib.FederatedStateClient
	gomatrixserverlib.FederatedJoinClient
	KeyserverFederationAPI
	gomatrixserverlib.KeyDatabase
	ClientFederationAPI
	RoomserverFederationAPI

	QueryServerKeys(ctx context.Context, request *QueryServerKeysRequest, response *QueryServerKeysResponse) error
	LookupServerKeys(ctx context.Context, s spec.ServerName, keyRequests map[gomatrixserverlib.PublicKeyLookupRequest]spec.Timestamp) ([]gomatrixserverlib.ServerKeys, error)
	MSC2836EventRelationships(ctx context.Context, origin, dst spec.ServerName, r fclient.MSC2836EventRelationshipsRequest, roomVersion gomatrixserverlib.RoomVersion) (res fclient.MSC2836EventRelationshipsResponse, err error)

	// Broadcasts an EDU to all servers in rooms we are joined to. Used in the yggdrasil demos.
	PerformBroadcastEDU(
		ctx context.Context,
		request *PerformBroadcastEDURequest,
		response *PerformBroadcastEDUResponse,
	) error
	PerformWakeupServers(
		ctx context.Context,
		request *PerformWakeupServersRequest,
		response *PerformWakeupServersResponse,
	) error
}

type InputPublicKeysRequest struct {
	Keys map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult `json:"keys"`
}

type InputPublicKeysResponse struct {
}

type KeyserverFederationAPI interface {
	GetUserDevices(ctx context.Context, origin, s spec.ServerName, userID string) (res fclient.RespUserDevices, err error)
	ClaimKeys(ctx context.Context, origin, s spec.ServerName, oneTimeKeys map[string]map[string]string) (res fclient.RespClaimKeys, err error)
	QueryKeys(ctx context.Context, origin, s spec.ServerName, keys map[string][]string) (res fclient.RespQueryKeys, err error)
}

type PerformBroadcastEDURequest struct {
}

type PerformBroadcastEDUResponse struct {
}

type PerformDirectoryLookupRequest struct {
	RoomAlias  string          `json:"room_alias"`
	ServerName spec.ServerName `json:"server_name"`
}

type PerformDirectoryLookupResponse struct {
	RoomID      string            `json:"room_id"`
	ServerNames []spec.ServerName `json:"server_names"`
}

type PerformInviteRequest struct {
	RoomVersion     gomatrixserverlib.RoomVersion           `json:"room_version"`
	Event           *rstypes.HeaderedEvent                  `json:"event"`
	InviteRoomState []gomatrixserverlib.InviteStrippedState `json:"invite_room_state"`
}

type PerformInviteResponse struct {
	Event *rstypes.HeaderedEvent `json:"event"`
}

type PerformJoinRequest struct {
	RoomID string `json:"room_id"`
	UserID string `json:"user_id"`
	// The sorted list of servers to try. Servers will be tried sequentially, after de-duplication.
	ServerNames types.ServerNames      `json:"server_names"`
	Content     map[string]interface{} `json:"content"`
	Unsigned    map[string]interface{} `json:"unsigned"`
}

type PerformJoinResponse struct {
	JoinedVia spec.ServerName
	LastError *gomatrix.HTTPError
}

type PerformLeaveRequest struct {
	RoomID      string            `json:"room_id"`
	UserID      string            `json:"user_id"`
	ServerNames types.ServerNames `json:"server_names"`
}

type PerformLeaveResponse struct {
}

type PerformWakeupServersRequest struct {
	ServerNames []spec.ServerName `json:"server_names"`
}

type PerformWakeupServersResponse struct {
}

type QueryJoinedHostServerNamesInRoomRequest struct {
	RoomID             string `json:"room_id"`
	ExcludeSelf        bool   `json:"exclude_self"`
	ExcludeBlacklisted bool   `json:"exclude_blacklisted"`
}

type QueryJoinedHostServerNamesInRoomResponse struct {
	ServerNames []spec.ServerName `json:"server_names"`
}

type QueryPublicKeysRequest struct {
	Requests map[gomatrixserverlib.PublicKeyLookupRequest]spec.Timestamp `json:"requests"`
}

type QueryPublicKeysResponse struct {
	Results map[gomatrixserverlib.PublicKeyLookupRequest]gomatrixserverlib.PublicKeyLookupResult `json:"results"`
}

type QueryServerKeysRequest struct {
	ServerName      spec.ServerName
	KeyIDToCriteria map[gomatrixserverlib.KeyID]gomatrixserverlib.PublicKeyNotaryQueryCriteria
}

type QueryServerKeysResponse struct {
	ServerKeys []gomatrixserverlib.ServerKeys
}

type RoomserverFederationAPI interface {
	gomatrixserverlib.BackfillClient
	gomatrixserverlib.FederatedStateClient
	KeyRing() *gomatrixserverlib.KeyRing

	// PerformDirectoryLookup looks up a remote room ID from a room alias.
	PerformDirectoryLookup(ctx context.Context, request *PerformDirectoryLookupRequest, response *PerformDirectoryLookupResponse) error
	// Handle an instruction to make_join & send_join with a remote server.
	PerformJoin(ctx context.Context, request *PerformJoinRequest, response *PerformJoinResponse)
	// Handle an instruction to make_leave & send_leave with a remote server.
	PerformLeave(ctx context.Context, request *PerformLeaveRequest, response *PerformLeaveResponse) error
	// Handle sending an invite to a remote server.
	SendInvite(ctx context.Context, event gomatrixserverlib.PDU, strippedState []gomatrixserverlib.InviteStrippedState) (gomatrixserverlib.PDU, error)
	// Handle sending an invite to a remote server.
	SendInviteV3(ctx context.Context, event gomatrixserverlib.ProtoEvent, invitee spec.UserID, version gomatrixserverlib.RoomVersion, strippedState []gomatrixserverlib.InviteStrippedState) (gomatrixserverlib.PDU, error)
	// Query the server names of the joined hosts in a room.
	// Unlike QueryJoinedHostsInRoom, this function returns a de-duplicated slice
	// containing only the server names (without information for membership events).
	// The response will include this server if they are joined to the room.
	QueryJoinedHostServerNamesInRoom(ctx context.Context, request *QueryJoinedHostServerNamesInRoomRequest, response *QueryJoinedHostServerNamesInRoomResponse) error
	GetEventAuth(ctx context.Context, origin, s spec.ServerName, roomVersion gomatrixserverlib.RoomVersion, roomID, eventID string) (res fclient.RespEventAuth, err error)
	GetEvent(ctx context.Context, origin, s spec.ServerName, eventID string) (res gomatrixserverlib.Transaction, err error)
	LookupMissingEvents(ctx context.Context, origin, s spec.ServerName, roomID string, missing fclient.MissingEvents, roomVersion gomatrixserverlib.RoomVersion) (res fclient.RespMissingEvents, err error)

	RoomHierarchies(ctx context.Context, origin, dst spec.ServerName, roomID string, suggestedOnly bool) (res fclient.RoomHierarchyResponse, err error)
}