workadventure/front/src/Api/iframe/IframeApiContribution.ts

import type * as tg from "generic-type-guard";
import type {
    IframeEvent,
    IframeEventMap, IframeQuery,
    IframeQueryMap,
    IframeResponseEventMap
} from '../Events/IframeEvent';
import type {IframeQueryWrapper} from "../Events/IframeEvent";

export function sendToWorkadventure(content: IframeEvent<keyof IframeEventMap>) {
    window.parent.postMessage(content, "*")
}

let queryNumber = 0;

export const answerPromises = new Map<number, {
    resolve: (value: (IframeQueryMap[keyof IframeQueryMap]['answer'] | PromiseLike<IframeQueryMap[keyof IframeQueryMap]['answer']>)) => void,
    // eslint-disable-next-line @typescript-eslint/no-explicit-any
    reject: (reason?: any) => void
}>();

export function queryWorkadventure<T extends keyof IframeQueryMap>(content: IframeQuery<T>): Promise<IframeQueryMap[T]['answer']> {
    return new Promise<IframeQueryMap[T]['answer']>((resolve, reject) => {
        window.parent.postMessage({
            id: queryNumber,
            query: content
        } as IframeQueryWrapper<T>, "*");

        answerPromises.set(queryNumber, {
            resolve,
            reject
        });

        queryNumber++;
    });
}

type GuardedType<Guard extends tg.TypeGuard<unknown>> = Guard extends tg.TypeGuard<infer T> ? T : never

export interface IframeCallback<Key extends keyof IframeResponseEventMap, T = IframeResponseEventMap[Key], Guard = tg.TypeGuard<T>> {

    typeChecker: Guard,
    callback: (payloadData: T) => void
}

export interface IframeCallbackContribution<Key extends keyof IframeResponseEventMap> extends IframeCallback<Key> {

    type: Key
}

/**
 * !! be aware that the implemented attributes (addMethodsAtRoot and subObjectIdentifier) must be readonly
 *
 *
 */

export abstract class IframeApiContribution<T extends {
    callbacks: Array<IframeCallbackContribution<keyof IframeResponseEventMap>>,
}> {

    abstract callbacks: T["callbacks"]
}