/**
 * Project-HomeFlix
 *
 * Copyright 2016-2019  <@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.application;

import java.io.File;
import java.io.IOException;
import java.util.Locale;
import java.util.ResourceBundle;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.kellerkinder.Alerts.JFX2BtnCancelAlert;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.fxml.FXMLLoader;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.scene.layout.AnchorPane;
import javafx.stage.DirectoryChooser;
import javafx.stage.FileChooser;
import javafx.stage.Stage;
import kellerkinder.HomeFlix.controller.XMLController;

public class Main extends Application {

	private Stage primaryStage;
	private Scene scene;
	private AnchorPane pane;
	private MainWindowController mainWindowController;
	private static XMLController xmlController;
	private ResourceBundle bundle;
	private static Logger LOGGER;

	@Override
	public void start(Stage primaryStage) throws IOException {
		LOGGER.info("OS: " + XMLController.getOsName() + " " + XMLController.getOsVers() + " " + XMLController.getOsVers());
		LOGGER.info("Java: " + XMLController.getJavaVend() + " " + XMLController.getJavaVers());
		LOGGER.info("User: " + XMLController.getUserName() + " " + XMLController.getUserHome());

		this.primaryStage = primaryStage;
		
		mainWindow();
	}

	/**
	 * initialize the mainWindowController, GUI and load the saved settings or call addFirstSource
	 * initialize the primaryStage and set the file/directory paths
	 */
	private void mainWindow(){
		try {
			FXMLLoader loader = new FXMLLoader();
			loader.setLocation(getClass().getResource("/fxml/MainWindow.fxml"));
			pane = (AnchorPane) loader.load();
			primaryStage.setMinHeight(600.00);
			primaryStage.setMinWidth(1000.00);
			primaryStage.setResizable(false);
			primaryStage.setTitle("Project HomeFlix");
			primaryStage.getIcons().add(new Image(Main.class.getResourceAsStream("/icons/Homeflix_Icon_64x64.png"))); //adds application icon	
			primaryStage.setOnCloseRequest(event -> System.exit(1));

			// generate window
			scene = new Scene(pane); // create new scene, append pane to scene
			scene.getStylesheets().add(getClass().getResource("/css/MainWindow.css").toExternalForm());
			primaryStage.setScene(scene); // append scene to stage
			primaryStage.show(); // show stage
			
			// startup checks
			if (!XMLController.getConfigFile().exists()) {
				XMLController.getDirHomeFlix().mkdir();
				System.out.println("config not found");

				addFirstSource();
				xmlController.saveSettings();
			}

			if (!XMLController.getPosterCache().exists()) {
				XMLController.getPosterCache().mkdir();
			}
			
			mainWindowController = loader.getController();	//Link of FXMLController and controller class
			mainWindowController.init();
		} catch (IOException e) {
			LOGGER.error(e);
		}
	}

	/**
	 * set the log file location and initialize the logger launch the GUI
	 * @param args arguments given at the start
	 */
	public static void main(String[] args) {
		// Logger initialization
		String logPath = "";
		
		if (System.getProperty("os.name").contains("Windows")) {
			logPath = System.getProperty("user.home") + "/Documents/HomeFlix/app.log";
		} else {
			logPath = System.getProperty("user.home") + "/HomeFlix/app.log";
		}
		
		System.setProperty("logFilename", logPath);
		File logFile = new File(logPath);
		logFile.delete();
		LOGGER = LogManager.getLogger(Main.class.getName());
		
		xmlController = new XMLController();
		launch(args);
	}
	
	/** TODO this should move
	 * we need to get the path for the first source from the user and add it to 
	 * sources.json, if the user ends the file-/directory-chooser the program will exit
	 */
	void addFirstSource() {
		switch (XMLController.getSysLocal()) {
		case "en_US":
			bundle = ResourceBundle.getBundle("locals.HomeFlix-Local", Locale.US); // us_english
			break;
		case "de_DE":
			bundle = ResourceBundle.getBundle("locals.HomeFlix-Local", Locale.GERMAN); // de_german
			break;
		default:
			bundle = ResourceBundle.getBundle("locals.HomeFlix-Local", Locale.US); // default local
			break;
		}
		
		JFX2BtnCancelAlert selectFirstSource = new JFX2BtnCancelAlert(bundle.getString("addSourceHeader"),
				bundle.getString("addSourceBody"),
				"-fx-button-type: RAISED; -fx-background-color: #ee3523; -fx-text-fill: BLACK;",
				bundle.getString("addDirectory"), bundle.getString("addStreamSource"),
				bundle.getString("cancelBtnText"), primaryStage);

		// directory action
		EventHandler<ActionEvent> btn1Action = new EventHandler<ActionEvent>() {
			@Override
			public void handle(ActionEvent event) {
				DirectoryChooser directoryChooser = new DirectoryChooser();
				directoryChooser.setTitle(bundle.getString("addDirectory"));
				File selectedFolder = directoryChooser.showDialog(primaryStage);
				if (selectedFolder != null && selectedFolder.exists()) {
					mainWindowController.addSource(selectedFolder.getPath(), "local");
					selectFirstSource.getAlert().close();
				} else {
					LOGGER.error("The selected folder dosen't exist!");
					System.exit(1);
				}
			}
		};

		// streaming action
		EventHandler<ActionEvent> btn2Action = new EventHandler<ActionEvent>() {
			@Override
			public void handle(ActionEvent event) {
				FileChooser fileChooser = new FileChooser();
				fileChooser.setTitle("addStreamSource");
				File selectedFile = fileChooser.showOpenDialog(getPrimaryStage());
				if (selectedFile != null && selectedFile.exists()) {
					mainWindowController.addSource(selectedFile.getPath(), "stream");
					selectFirstSource.getAlert().close();
				} else {
					LOGGER.error("The selected file dosen't exist!");
					System.exit(1);
				}
			}
		};
		
		selectFirstSource.setBtn1Action(btn1Action);
		selectFirstSource.setBtn2Action(btn2Action);
		selectFirstSource.showAndWait();
	}

	public Stage getPrimaryStage() {
		return primaryStage;
	}

	public AnchorPane getPane() {
		return pane;
	}
}