/* 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.client.API;
import app.fedilab.android.client.APIResponse;
import app.fedilab.android.interfaces.OnListActionInterface;


/**
 * Created by Thomas on 13/12/2017.
 * Async works to manage Lists
 */

public class ManageListsAsyncTask {

    private final OnListActionInterface listener;
    private final action apiAction;
    private final WeakReference<Context> contextReference;
    private APIResponse apiResponse;
    private int statusCode;
    private String listId;
    private String title;
    private String[] accountsId;
    private String max_id, since_id;
    private int limit;
    private String search;


    public ManageListsAsyncTask(Context context, action apiAction, String[] accountsId, String listId, String title, OnListActionInterface onListActionInterface) {
        contextReference = new WeakReference<>(context);
        this.listener = onListActionInterface;
        this.listId = listId;
        this.title = title;
        this.accountsId = accountsId;
        this.apiAction = apiAction;
        doInBackground();
    }

    public ManageListsAsyncTask(Context context, String listId, String max_id, String since_id, OnListActionInterface onListActionInterface) {
        contextReference = new WeakReference<>(context);
        this.listener = onListActionInterface;
        this.listId = listId;
        this.max_id = max_id;
        this.since_id = since_id;
        this.limit = 40;
        this.apiAction = action.GET_LIST_TIMELINE;
        doInBackground();
    }

    public ManageListsAsyncTask(Context context, String search, OnListActionInterface onListActionInterface) {
        contextReference = new WeakReference<>(context);
        this.listener = onListActionInterface;
        this.search = search;
        this.apiAction = action.SEARCH_USER;
        doInBackground();
    }


    protected void doInBackground() {

        new Thread(() -> {
            if (apiAction == action.GET_LIST) {
                apiResponse = new API(contextReference.get()).getLists();
            } else if (apiAction == action.GET_LIST_TIMELINE) {
                apiResponse = new API(contextReference.get()).getListTimeline(this.listId, this.max_id, this.since_id, this.limit);
            } else if (apiAction == action.GET_LIST_ACCOUNT) {
                apiResponse = new API(contextReference.get()).getAccountsInList(this.listId, 0);
            } else if (apiAction == action.CREATE_LIST) {
                apiResponse = new API(contextReference.get()).createList(this.title);
            } else if (apiAction == action.DELETE_LIST) {
                statusCode = new API(contextReference.get()).deleteList(this.listId);
            } else if (apiAction == action.UPDATE_LIST) {
                apiResponse = new API(contextReference.get()).updateList(this.listId, this.title);
            } else if (apiAction == action.ADD_USERS) {
                apiResponse = new API(contextReference.get()).addAccountToList(this.listId, this.accountsId);
            } else if (apiAction == action.DELETE_USERS) {
                statusCode = new API(contextReference.get()).deleteAccountFromList(this.listId, this.accountsId);
            } else if (apiAction == action.SEARCH_USER) {
                apiResponse = new API(contextReference.get()).searchAccounts(this.search, 20, true);
            }
            Handler mainHandler = new Handler(Looper.getMainLooper());
            Runnable myRunnable = () -> listener.onActionDone(this.apiAction, apiResponse, statusCode);
            mainHandler.post(myRunnable);
        }).start();
    }


    public enum action {
        GET_LIST,
        GET_LIST_TIMELINE,
        GET_LIST_ACCOUNT,
        CREATE_LIST,
        DELETE_LIST,
        UPDATE_LIST,
        ADD_USERS,
        DELETE_USERS,
        SEARCH_USER
    }

}