/* Copyright 2017 Thomas Schneider
 *
 * This file is a part of Fedilab
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the
 * GNU General Public License as published by the Free Software Foundation; either version 3 of the
 * License, or (at your option) any later version.
 *
 * Fedilab is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
 * Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with Fedilab; if not,
 * see <http://www.gnu.org/licenses>. */
package app.fedilab.android.asynctasks;

import android.content.Context;
import android.os.Handler;
import android.os.Looper;

import java.lang.ref.WeakReference;

import app.fedilab.android.activities.MainActivity;
import app.fedilab.android.client.API;
import app.fedilab.android.client.APIResponse;
import app.fedilab.android.client.Entities.Error;
import app.fedilab.android.client.GNUAPI;
import app.fedilab.android.interfaces.OnRetrieveContextInterface;


/**
 * Created by Thomas on 23/04/2017.
 * Retrieves context for a status
 */

public class RetrieveContextAsyncTask {

    private final String statusId;
    private final OnRetrieveContextInterface listener;
    private final WeakReference<Context> contextReference;
    private final boolean expanded;
    private final String userId;
    private final boolean directtimeline;
    private APIResponse apiResponse;

    public RetrieveContextAsyncTask(Context context, boolean expanded, boolean directtimeline, String userId, String statusId, OnRetrieveContextInterface onRetrieveContextInterface) {
        this.contextReference = new WeakReference<>(context);
        this.statusId = statusId;
        this.listener = onRetrieveContextInterface;
        this.expanded = expanded;
        this.directtimeline = directtimeline;
        this.userId = userId;
        doInBackground();
    }

    protected void doInBackground() {
        new Thread(() -> {
            apiResponse = new APIResponse();
            apiResponse.setTargetedId(this.statusId);
            app.fedilab.android.client.Entities.Context statusContext;
            Error error;
            if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                API api = new API(this.contextReference.get());
                statusContext = api.getStatusContext(userId, statusId);
                //Retrieves the first toot
                if (expanded && statusContext != null && statusContext.getAncestors() != null && statusContext.getAncestors().size() > 0) {
                    statusContext = api.getStatusContext(userId, statusContext.getAncestors().get(0).getId());
                }
                error = api.getError();
            } else {
                GNUAPI gnuapi = new GNUAPI(this.contextReference.get());
                statusContext = gnuapi.getStatusContext(statusId, directtimeline);
                //Retrieves the first toot
                if (expanded && statusContext != null && statusContext.getAncestors() != null && statusContext.getAncestors().size() > 0) {
                    statusContext = gnuapi.getStatusContext(statusContext.getAncestors().get(0).getId(), directtimeline);
                }
                error = gnuapi.getError();
            }
            apiResponse.setError(error);
            apiResponse.setContext(statusContext);
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onRetrieveContext(apiResponse);
            mainHandler.post(myRunnable);
        }).start();
    }

}