/**
 * Project-HomeFlix
 * 
 * Copyright 2018  <@Seil0>
 * 
 * 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.
 * 
 * This program 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 this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */
package kellerkinder.HomeFlix.controller;

import java.awt.image.BufferedImage;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import javax.imageio.ImageIO;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

import com.eclipsesource.json.Json;
import com.eclipsesource.json.JsonObject;
import com.eclipsesource.json.JsonValue;

import javafx.application.Platform;
import kellerkinder.HomeFlix.application.Main;
import kellerkinder.HomeFlix.application.MainWindowController;

public class OMDbAPIController implements Runnable {
	
	private MainWindowController mainWindowController;
	private DBController dbController;
	private Main main;
	private String[] responseString = new String[20];
	private String URL = "https://www.omdbapi.com/?apikey=";
	private static final Logger LOGGER = LogManager.getLogger(MainWindowController.class.getName());
	
	/**
	 * constructor for the OMDbAPIController
	 * @param mainWindowController	the MainWindowController object
	 * @param dbController			the DBController object
	 * @param main					the Main object
	 */
	public OMDbAPIController(MainWindowController mainWindowController, DBController dbController, Main main){
		this.mainWindowController = mainWindowController;
		this.dbController = dbController;
		this.main = main;
		
		
	}

	@Override
	public void run() {
    	String output = null;
    	String posterPath = null;
		
		// get information by title
		try {
			URL apiUrl = new URL(URL + mainWindowController.getOmdbAPIKey() + "&t="
					+ mainWindowController.getCurrentTitle().replace(" ", "%20"));
			BufferedReader ina = new BufferedReader(new InputStreamReader(apiUrl.openStream()));
			output = ina.readLine();
			ina.close();
			System.out.println(apiUrl);
			LOGGER.info("response from '" + URL + "&t=" + mainWindowController.getCurrentTitle() + "' was:" + output);
		} catch (IOException e) {
			LOGGER.error("error while making api request or reading response");
			LOGGER.error("response from '" + URL + "&t=" + mainWindowController.getCurrentTitle() + "' was:" + output, e);
			return;
		}
		
		JsonObject object = Json.parse(output).asObject();
		
		if (object.getString("Error", "").equals("Movie not found!")) {
			// if the movie was not found try to search it
			LOGGER.warn("Movie was not found at first try, searching again!");
			/** TODO 
			 * split the name intelligent as it may contain the film title
			 * search for English name
			 * use tmdb
			 */
			try {
				URL apiUrl = new URL(URL + mainWindowController.getOmdbAPIKey() + "&s="
						+ mainWindowController.getCurrentTitle().replace(" ", "%20"));
				BufferedReader ina = new BufferedReader(new InputStreamReader(apiUrl.openStream()));
				output = ina.readLine();
				ina.close();
				LOGGER.info("response from '" + URL + "&s=" + mainWindowController.getCurrentTitle() + "' was:" + output);
			} catch (Exception e) {
				LOGGER.error("error while making api request or reading response");
				LOGGER.error("response from '" + URL + "&s=" + mainWindowController.getCurrentTitle() + "' was:" + output, e);
				return;
			}
			
			JsonObject searchObject = Json.parse(output).asObject();
			if (searchObject.getString("Response", "").equals("True")) {
				for (JsonValue movie : searchObject.get("Search").asArray()) {
					// get first entry from the array and set object = movie
					object = (JsonObject) movie;
					System.out.println(movie.toString());
					break;

				}
				System.out.println(object.getString("Title", ""));
			} else {
				LOGGER.warn("Movie not found! Not adding cache!");
				return;
			}
		}
		
		// add the response to the responseString[]
		responseString[0] = object.getString("Title", "");
		responseString[1] = object.getString("Year", "");
		responseString[2] = object.getString("Rated", "");
		responseString[3] = object.getString("Released", "");
		responseString[4] = object.getString("Runtime", "");
		responseString[5] = object.getString("Genre", "");
		responseString[6] = object.getString("Director", "");
		responseString[7] = object.getString("Writer", "");
		responseString[8] = object.getString("Actors", "");
		responseString[9] = object.getString("Plot", "");
		responseString[10] = object.getString("Language", "");
		responseString[11] = object.getString("Country", "");
		responseString[12] = object.getString("Awards", "");
		responseString[13] = object.getString("Metascore", "");
		responseString[14] = object.getString("imdbRating", "");
		responseString[15] = object.getString("Type", "");
		responseString[16] = object.getString("imdbVotes", "");
		responseString[17] = object.getString("imdbID", "");
		responseString[18] = object.getString("Poster", "");
		responseString[19] = object.getString("Response", "");
		
		//resize the image to fit in the posterImageView and add it to the cache
	    try {
			BufferedImage originalImage = ImageIO.read(new URL(responseString[18])); //change path to where file is located
		    posterPath = main.getPosterCache() + "/" + mainWindowController.getCurrentTitle() + ".png";
			ImageIO.write(originalImage, "png", new File(posterPath));
			LOGGER.info("adding poster to cache: "+posterPath);
		} catch (Exception e) {
			LOGGER.error(e);
		}
	    
		// adding strings to the cache
		dbController.addCache(mainWindowController.getCurrentStreamUrl(), responseString[0], responseString[1],
				responseString[2], responseString[3], responseString[4], responseString[5], responseString[6],
				responseString[7], responseString[8], responseString[9], responseString[10], responseString[11],
				responseString[12], responseString[13], responseString[14], responseString[15], responseString[16],
				responseString[17], posterPath, responseString[19]);
		dbController.setCached(mainWindowController.getCurrentStreamUrl());
		
		// load data to the MainWindowController
		Platform.runLater(() -> {
			dbController.readCache(mainWindowController.getCurrentStreamUrl());
		});
	}
}