export interface IFBLoginRes {
    accessToken: string;
    isCancel: boolean;
    status?: string;
    reason?: string;
}

export abstract class FacebookImpl {
    private _isInitialized = false;

    public get isInitialized() { return this._isInitialized; }

    abstract init();

    protected onInited() {
        this._isInitialized = true;
    }

    async login(): Promise<IFBLoginRes> {
        const res = await this.onLogin();
        return res;
    }

    protected abstract onLogin(): Promise<IFBLoginRes>;

    abstract logOut(): Promise<boolean>;
}