import { isButtonClickedEvent } from '../Events/ButtonClickedEvent';
import { isMenuItemClickedEvent } from '../Events/ui/MenuItemClickedEvent';
import { isMessageReferenceEvent } from '../Events/ui/TriggerMessageEvent';
import { IframeApiContribution, sendToWorkadventure } from './IframeApiContribution';
import { apiCallback } from "./registeredCallbacks";
import type { ButtonClickedCallback, ButtonDescriptor } from "./Ui/ButtonDescriptor";
import { Popup } from "./Ui/Popup";
import { TriggerMessage, triggerMessageInstance } from './Ui/TriggerMessage';

let popupId = 0;
const popups: Map<number, Popup> = new Map<number, Popup>();
const popupCallbacks: Map<number, Map<number, ButtonClickedCallback>> = new Map<number, Map<number, ButtonClickedCallback>>();

const menuCallbacks: Map<string, (command: string) => void> = new Map()

class WorkAdventureUiCommands extends IframeApiContribution<WorkAdventureUiCommands> {

    callbacks = [
        apiCallback({
            type: "buttonClickedEvent",
            typeChecker: isButtonClickedEvent,
            callback: (payloadData) => {
                const callback = popupCallbacks.get(payloadData.popupId)?.get(payloadData.buttonId);
                const popup = popups.get(payloadData.popupId);
                if (popup === undefined) {
                    throw new Error('Could not find popup with ID "' + payloadData.popupId + '"');
                }
                if (callback) {
                    callback(popup);
                }
            }
        }),
        apiCallback({
            type: "menuItemClicked",
            typeChecker: isMenuItemClickedEvent,
            callback: event => {
                const callback = menuCallbacks.get(event.menuItem);
                if (callback) {
                    callback(event.menuItem)
                }
            }
        }),
        apiCallback({
            type: "messageTriggered",
            typeChecker: isMessageReferenceEvent,
            callback: event => {
                triggerMessageInstance?.trigger();
            }
        })
    ];


    openPopup(targetObject: string, message: string, buttons: ButtonDescriptor[]): Popup {
        popupId++;
        const popup = new Popup(popupId);
        const btnMap = new Map<number, () => void>();
        popupCallbacks.set(popupId, btnMap);
        let id = 0;
        for (const button of buttons) {
            const callback = button.callback;
            if (callback) {
                btnMap.set(id, () => {
                    callback(popup);
                });
            }
            id++;
        }

        sendToWorkadventure({
            'type': 'openPopup',
            'data': {
                popupId,
                targetObject,
                message,
                buttons: buttons.map((button) => {
                    return {
                        label: button.label,
                        className: button.className
                    };
                })
            }
        });

        popups.set(popupId, popup)
        return popup;
    }

    registerMenuCommand(commandDescriptor: string, callback: (commandDescriptor: string) => void) {
        menuCallbacks.set(commandDescriptor, callback);
        sendToWorkadventure({
            'type': 'registerMenuCommand',
            'data': {
                menutItem: commandDescriptor
            }
        });
    }

    displayBubble(): void {
        sendToWorkadventure({ 'type': 'displayBubble', data: null });
    }

    removeBubble(): void {
        sendToWorkadventure({ 'type': 'removeBubble', data: null });
    }
    triggerMessage(message: string, callback: () => void): TriggerMessage {
        return new TriggerMessage(message, callback);
    }
}

export default new WorkAdventureUiCommands();