/* 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.GNUAPI;
import app.fedilab.android.interfaces.OnRetrieveAccountsInterface;


/**
 * Created by Thomas on 27/04/2017.
 * Retrieves accounts on the instance
 */

public class RetrieveAccountsAsyncTask {

    private final Type action;
    private final OnRetrieveAccountsInterface listener;
    private final WeakReference<Context> contextReference;
    private APIResponse apiResponse;
    private String max_id;
    private String targetedId;
    private String instance, name;

    public RetrieveAccountsAsyncTask(Context context, String instance, String name, OnRetrieveAccountsInterface onRetrieveAccountsInterface) {
        this.contextReference = new WeakReference<>(context);
        this.instance = instance;
        this.name = name;
        this.listener = onRetrieveAccountsInterface;
        this.action = Type.CHANNELS;
        doInBackground();
    }

    public RetrieveAccountsAsyncTask(Context context, Type action, String targetedId, String max_id, OnRetrieveAccountsInterface onRetrieveAccountsInterface) {
        this.contextReference = new WeakReference<>(context);
        this.action = action;
        this.max_id = max_id;
        this.listener = onRetrieveAccountsInterface;
        this.targetedId = targetedId;
        doInBackground();
    }

    public RetrieveAccountsAsyncTask(Context context, Type action, String max_id, OnRetrieveAccountsInterface onRetrieveAccountsInterface) {
        this.contextReference = new WeakReference<>(context);
        this.action = action;
        this.max_id = max_id;
        this.listener = onRetrieveAccountsInterface;
        doInBackground();
    }

    protected void doInBackground() {

        new Thread(() -> {
            API api = null;
            GNUAPI gnuapi = null;
            if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA)
                api = new API(this.contextReference.get());
            else
                gnuapi = new GNUAPI(this.contextReference.get());
            switch (action) {
                case REBLOGGED:
                    if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                        assert api != null;
                        apiResponse = api.getRebloggedBy(targetedId, max_id);
                    } else {
                        assert gnuapi != null;
                        apiResponse = gnuapi.getRebloggedBy(targetedId, max_id);
                    }
                    break;
                case SEARCH:
                    api = new API(this.contextReference.get());
                    apiResponse = api.search2(targetedId, API.searchType.ACCOUNTS, max_id);
                    break;
                case FAVOURITED:
                    if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                        assert api != null;
                        apiResponse = api.getFavouritedBy(targetedId, max_id);
                    } else {
                        assert gnuapi != null;
                        apiResponse = gnuapi.getFavouritedBy(targetedId, max_id);
                    }
                    break;
                case BLOCKED:
                    if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                        assert api != null;
                        apiResponse = api.getBlocks(max_id);
                    } else {
                        assert gnuapi != null;
                        apiResponse = gnuapi.getBlocks(max_id);
                    }
                    break;
                case MUTED:
                    if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                        assert api != null;
                        apiResponse = api.getMuted(max_id);
                    } else {
                        assert gnuapi != null;
                        apiResponse = gnuapi.getMuted(max_id);
                    }
                    break;
                case FOLLOWING:
                    if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                        assert api != null;
                        apiResponse = api.getFollowing(targetedId, max_id);
                    } else {
                        assert gnuapi != null;
                        apiResponse = gnuapi.getFollowing(targetedId, max_id);
                    }
                    break;
                case FOLLOWERS:
                    if (MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && MainActivity.social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                        assert api != null;
                        apiResponse = api.getFollowers(targetedId, max_id);
                    } else {
                        assert gnuapi != null;
                        apiResponse = gnuapi.getFollowers(targetedId, max_id);
                    }
                    break;
                case CHANNELS:
                    assert api != null;
                    apiResponse = api.getPeertubeChannel(instance, name);
                    break;
                case GROUPS:
                    assert gnuapi != null;
                    apiResponse = gnuapi.getGroups(max_id);
                    break;
            }
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onRetrieveAccounts(apiResponse);
            mainHandler.post(myRunnable);
        }).start();
    }

    public enum Type {
        BLOCKED,
        MUTED,
        FOLLOWING,
        FOLLOWERS,
        CHANNELS,
        REBLOGGED,
        FAVOURITED,
        SEARCH,
        GROUPS
    }

}