import { NativeModules } from 'react-native';
import type { Errors } from '../native/ZoomVideoSdk';
import {ZoomVideoSdkVirtualBackgroundItem} from "./ZoomVideoSdkVirtualBackgroundItem";

const { RNZoomVideoSdkVirtualBackgroundHelper } = NativeModules;

/**
 * Virtual background helper.
 */
export type ZoomVideoSdkVirtualBackgroundHelperType = {
    /**
     * Determine whether the user can support smart virtual backgrounds.
     */
    isSupportVirtualBackground: () => Promise<boolean>;

    /**
     * Add virtual background object.
     */
    addVirtualBackgroundItem: (filePath: string) => Promise<ZoomVideoSdkVirtualBackgroundItem>;

    /**
     * Remove virtual background object.
     */
    removeVirtualBackgroundItem: (imageName: string) => Promise<Errors>;

    /**
     * Returns a collection of virtual background item as an object of type ZoomVideoSDKVirtualBackgroundItem.
     */
    getVirtualBackgroundItemList: () => Promise<ZoomVideoSdkVirtualBackgroundItem[]>;

    /**
     * Select virtual background item.
     */
    setVirtualBackgroundItem: (imageName: string) => Promise<Errors>;
};

export class ZoomVideoSdkVirtualBackgroundHelper
    implements ZoomVideoSdkVirtualBackgroundHelperType
{
    async isSupportVirtualBackground() {
        return await RNZoomVideoSdkVirtualBackgroundHelper.isSupportVirtualBackground();
    }

    async addVirtualBackgroundItem(filePath: string) {
        return await RNZoomVideoSdkVirtualBackgroundHelper.addVirtualBackgroundItem(filePath);
    }

    async removeVirtualBackgroundItem(imageName: string) {
        return await RNZoomVideoSdkVirtualBackgroundHelper.removeVirtualBackgroundItem(imageName);
    }

    async getVirtualBackgroundItemList() {
        const items = await RNZoomVideoSdkVirtualBackgroundHelper.getVirtualBackgroundItemList();

        return items.map((item: ZoomVideoSdkVirtualBackgroundItem) => new ZoomVideoSdkVirtualBackgroundItem(item));
    }

    async setVirtualBackgroundItem(imageName: string) {
        return await RNZoomVideoSdkVirtualBackgroundHelper.setVirtualBackgroundItem(imageName);
    }

}