import { Unregisterable } from "../shared";

export interface UI {
    CloseGameWindow(appId: number, windowId: number): void;

    GetGameWindowsInfo(appId: number, windowIds: number[]): Promise<GameWindowInfo>;

    RegisterForFocusChangeEvents(callback: (event: FocusChangeEvent) => void): Unregisterable;

    // appId is 0 if unknown app is focused
    RegisterForOverlayGameWindowFocusChanged(callback: (appId: number, overlayPid: number) => void): Unregisterable;

    RegisterForSystemKeyEvents(callback: (event: SystemKeyEvent) => void): Unregisterable;
}

interface SystemKeyEvent {
    /** @todo enum */
    eKey: number;
    nControllerIndex: number;
}

export interface FocusChangeEvent {
    focusedApp: FocusedApp;
    rgFocusable: FocusedApp[];
}

export interface FocusedApp {
    appid: number;
    pid: number;
    windowid: number;
    strExeName: string;
}

export interface GameWindowInfo {
    bCanClose: boolean;
    strTitle: string;
    windowid: number;
}