package client;

import javafx.animation.AnimationTimer;
import javafx.application.Application;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.GridPane;
import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;
import javafx.scene.paint.Color;
import javafx.stage.Stage;

import java.io.*;
import java.net.Socket;



public class Client extends Application {

    private AnimationTimer startingBox;

    private static Socket clientSocket; //сокет для общения
    private static BufferedReader reader; // нам нужен ридер читающий с консоли, иначе как
    // мы узнаем что хочет сказать клиент?
    private static BufferedReader in; // поток чтения из сокета
    private static BufferedWriter out; // поток записи в сокет

    @Override
    public void start(Stage stage) throws Exception {
        stage.setTitle("chat client");

        Group group = new Group();

        GridPane grid = new GridPane();
        grid.setPadding(new Insets(50, 10, 10, 85));
        grid.setVgap(10);
        grid.setHgap(5);

        final TextField nickname = new TextField();
        nickname.setPromptText("Enter your nickname.");
        nickname.setPrefColumnCount(10);
        GridPane.setConstraints(nickname, 0, 0);
        grid.getChildren().add(nickname);


        final TextField connectionAddress = new TextField();
        connectionAddress.setPromptText("Enter server's IP.");
        GridPane.setConstraints(connectionAddress, 0, 1);
        grid.getChildren().add(connectionAddress);

        Button submit = new Button("Start");
        GridPane.setConstraints(submit, 0, 2);
        grid.getChildren().add(submit);

        group.getChildren().add(grid);
        Scene startingScene = new Scene(group, 350, 200, Color.CADETBLUE);
        stage.setScene(startingScene);

        submit.setOnMouseClicked(
                event->{
                    if (nickname.getText() != null && !nickname.getText().isEmpty()) {
                        //System.out.println("testing button!");
                        try {

                            if (connectionAddress.getText().isEmpty()) {
                                clientSocket = new Socket("localhost", 3443);
                                System.out.println("connected by localhost");
                            }
                            else{
                                clientSocket = new Socket(connectionAddress.getText(), 3443);
                                System.out.println("connected by " + connectionAddress.getText());
                            }

                            in = new BufferedReader(new InputStreamReader(clientSocket.getInputStream()));
                            out = new BufferedWriter(new OutputStreamWriter(clientSocket.getOutputStream()));

                            out.write(nickname.getText() + "\n");
                            out.flush();

                            String isOk = in.readLine();

                            if (isOk.equals("/nok")) {
                                System.out.println("\n\nnickname is ok\n\n");

                                VBox chatBox = new VBox(10);
                                TextArea textArea = new TextArea();
                                chatBox.getChildren().add(textArea);
                                //chatBox.setPadding(new Insets(55, 10, 10, 85));
                                HBox messageArea = new HBox(20);
                                final TextField messageField = new TextField();
                                messageField.setPromptText("Enter your message.");
                                messageField.setPrefColumnCount(30);
                                messageArea.getChildren().add(messageField);
                                Button sendButton = new Button("Send");
                                messageArea.getChildren().add(sendButton);
                                chatBox.getChildren().add(messageArea);
                                Scene chatScene = new Scene (chatBox, 500, 250);

                                new Thread(new WriteMsg(out, messageField, sendButton, stage)).start();
                                new Thread(new ReadMsg(in, textArea)).start();

                                stage.setScene(chatScene);
                                stage.show();

                            }
                            else
                                System.out.println("\n\nnickname is not ok");
                            /*
                            new Thread(new WriteMsg(out, nickname.getText() )).start();
                            new Thread(new ReadMsg(in)).start();
                             */
                        } catch (IOException e) {
                            System.err.println(e);
                        }
                    }
                    else
                        System.out.println("wrong input");
                }
        );

        startingBox = new AnimationTimer() {
            @Override
            public void handle(long l) {
                stage.show();

            }
        };
        stage.show();
        //startingBox.start();
    }

    public static void main(String[] args){
        launch(args);
    }
}