/* 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.database.sqlite.SQLiteDatabase;
import android.os.Handler;
import android.os.Looper;

import java.lang.ref.WeakReference;
import java.util.List;
import java.util.regex.Matcher;

import app.fedilab.android.R;
import app.fedilab.android.client.API;
import app.fedilab.android.client.APIResponse;
import app.fedilab.android.client.Entities.Account;
import app.fedilab.android.client.Entities.Error;
import app.fedilab.android.client.GNUAPI;
import app.fedilab.android.helper.Helper;
import app.fedilab.android.helper.PushHelper;
import app.fedilab.android.interfaces.OnPostStatusActionInterface;
import app.fedilab.android.sqlite.Sqlite;
import app.fedilab.android.sqlite.TagsCacheDAO;


/**
 * Created by Thomas on 21/07/2017.
 * Posts status (live version) - scheduled toots are sent via classic post feature in api
 */

public class PostStatusAsyncTask {

    private final OnPostStatusActionInterface listener;
    private final app.fedilab.android.client.Entities.Status status;
    private final Account account;
    private final WeakReference<Context> contextReference;
    private final UpdateAccountInfoAsyncTask.SOCIAL social;
    private APIResponse apiResponse;

    public PostStatusAsyncTask(Context context, UpdateAccountInfoAsyncTask.SOCIAL social, Account account, app.fedilab.android.client.Entities.Status status, OnPostStatusActionInterface onPostStatusActionInterface) {
        this.contextReference = new WeakReference<>(context);
        this.listener = onPostStatusActionInterface;
        this.status = status;
        this.account = account;
        this.social = social;
        doInBackground();
    }

    protected void doInBackground() {

        new Thread(() -> {
            boolean isconnected = Helper.isConnectedToInternet(contextReference.get(), Helper.getLiveInstance(contextReference.get()));
            if (social != UpdateAccountInfoAsyncTask.SOCIAL.GNU && social != UpdateAccountInfoAsyncTask.SOCIAL.FRIENDICA) {
                if (isconnected) {
                    if (account == null) {
                        apiResponse = new API(this.contextReference.get()).postStatusAction(status);
                    } else {
                        apiResponse = new API(this.contextReference.get(), account.getInstance(), account.getToken()).postStatusAction(status);
                    }
                } else {
                    apiResponse = new APIResponse();
                    Error error = new Error();
                    error.setError(contextReference.get().getString(R.string.no_internet));
                    error.setStatusCode(-33);
                    apiResponse.setError(error);
                }
            } else {
                if (isconnected) {
                    if (account == null) {
                        apiResponse = new GNUAPI(this.contextReference.get()).postStatusAction(status);
                    } else {
                        apiResponse = new GNUAPI(this.contextReference.get(), account.getInstance(), account.getToken()).postStatusAction(status);
                    }
                } else {
                    apiResponse = new APIResponse();
                    Error error = new Error();
                    error.setError(contextReference.get().getString(R.string.no_internet));
                    error.setStatusCode(-33);
                    apiResponse.setError(error);
                }
            }
            if (status.getIn_reply_to_id() != null) {
                apiResponse.setTargetedId(status.getIn_reply_to_id());
            }
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> {
                listener.onPostStatusAction(apiResponse);
                //Search for tag with upper cases to store them locally
                Thread thread = new Thread() {
                    @Override
                    public void run() {
                        String content = status.getContent();
                        if (content != null && content.length() > 0) {
                            SQLiteDatabase db = Sqlite.getInstance(contextReference.get().getApplicationContext(), Sqlite.DB_NAME, null, Sqlite.DB_VERSION).open();
                            Matcher matcher = Helper.hashtagPattern.matcher(content);
                            while (matcher.find()) {
                                int matchStart = matcher.start(1);
                                int matchEnd = matcher.end();
                                //Get cached tags
                                List<String> cachedTag = new TagsCacheDAO(contextReference.get(), db).getAll();
                                String tag = content.substring(matchStart, matchEnd);
                                tag = tag.replace("#", "");
                                if (cachedTag == null) {
                                    new TagsCacheDAO(contextReference.get(), db).insert(tag);
                                } else {
                                    //If cache doesn't contain the tag and the tag has upper case
                                    if (!cachedTag.contains(tag) && !tag.toLowerCase().equals(tag)) {
                                        new TagsCacheDAO(contextReference.get(), db).insert(tag);
                                    }
                                }
                            }
                        }
                    }
                };
                thread.start();
            };
            mainHandler.post(myRunnable);
        }).start();


    }

}