package internal

import (
	"github.com/signaller-matrix/signaller/internal/models"
	"github.com/signaller-matrix/signaller/internal/models/common"
	"github.com/signaller-matrix/signaller/internal/models/createroom"
	"github.com/signaller-matrix/signaller/internal/models/devices"
	"github.com/signaller-matrix/signaller/internal/models/rooms"
	"github.com/signaller-matrix/signaller/internal/models/sync"
)

type Backend interface {
	Register(username, password, device string) (user User, token string, err models.ApiError)
	Login(username, password, device string) (user User, token string, err models.ApiError)
	GetUserByToken(token string) (user User)
	GetUserByName(userName string) User
	GetRoomByID(id string) Room
	Sync(token string, request sync.SyncRequest) (response *sync.SyncReply, err models.ApiError)
	PublicRooms(filter string) []Room
	ValidateUsernameFunc() func(string) error
	GetEventByID(id string) rooms.Event
	PutEvent(rooms.Event) error
	GetRoomByAlias(string) Room
	GetEventsSince(sinceToken string, limit int) []rooms.Event
}

type Room interface {
	ID() string
	Creator() User
	Users() []User
	AliasName() string
	Aliases() []string
	Name() string
	Topic() string
	Visibility() createroom.VisibilityType
	WorldReadable() bool
	GuestCanJoin() bool
	AvatarURL() string
	State() createroom.Preset
}

type User interface {
	Name() string
	ID() string
	Password() string
	CreateRoom(request createroom.Request) (Room, models.ApiError)
	LeaveRoom(room Room) models.ApiError
	SetTopic(room Room, topic string) models.ApiError
	SendMessage(room Room, text string) models.ApiError
	JoinedRooms() []Room
	ChangePassword(newPassword string)
	Devices() []devices.Device
	SetRoomVisibility(Room, createroom.VisibilityType) models.ApiError
	Logout(token string)
	LogoutAll()
	JoinRoom(Room) models.ApiError
	Invite(Room, User) models.ApiError
	AddFilter(filterID string, filter common.Filter)
	GetFilterByID(filterID string) *common.Filter
	AddRoomAlias(Room, string) models.ApiError
	DeleteRoomAlias(string) models.ApiError
}