import type { WidgetCallbacks, WidgetResponse } from "../../domain";
import type { WidgetStateManager } from "../WidgetStateManager";

const success = (): WidgetResponse => ({ status: "success" });
const error = (message: string): WidgetResponse => ({ status: "error", message });

export const handleFormClose = async (hide: () => void, stateManager?: WidgetStateManager, callbacks?: WidgetCallbacks): Promise<WidgetResponse> => {
    hide();
    callbacks?.onClosed?.();
    return success();
};

export const handleFormError = (value: string, hide: () => void, callbacks?: WidgetCallbacks): WidgetResponse => {
    hide();
    callbacks?.onError?.(value);
    return error(value);
};

export const handleFormPageChanged = (value: string, callbacks?: WidgetCallbacks): WidgetResponse => {
    callbacks?.onPageChanged?.(value);
    return success();
};

export const handleQuestionAnswered = async (stateManager?: WidgetStateManager, callbacks?: WidgetCallbacks): Promise<WidgetResponse> => {
    try {
        await stateManager?.resetAttempts();
    } catch (err) {
        console.error('[EventHandlers] Error resetting attempts after question answered:', err);
    }
    callbacks?.onQuestionAnswered?.();
    return success();
};

export const handleFormCompleted = async (userId: string, transactionId?: string, stateManager?: WidgetStateManager, callbacks?: WidgetCallbacks): Promise<WidgetResponse> => {
    try {
        await stateManager?.resetAttempts();
        await stateManager?.markTransactionAnswered(transactionId);
        await stateManager?.updateTimestamp('lastSubmit');
    } catch (err) {
        console.error('[EventHandlers] Error saving lastSubmit:', err);
    }
    callbacks?.onCompleted?.(userId);
    return success();
};

export const handleFormPartialCompleted = async (userId: string, transactionId?: string, stateManager?: WidgetStateManager, callbacks?: WidgetCallbacks): Promise<WidgetResponse> => {
    try {
        await stateManager?.resetAttempts();
        await stateManager?.markTransactionAnswered(transactionId);
        await stateManager?.updateTimestamp('lastPartialSubmit');
    } catch (err) {
        console.error('[EventHandlers] Error saving lastPartialSubmit:', err);
    }
    callbacks?.onPartialCompleted?.(userId);
    return success();
};

export const handleFormResize = (value: string, resize: (height: string) => void, callbacks?: WidgetCallbacks): WidgetResponse => {
    resize(value);
    callbacks?.onResize?.(value);
    return success();
};