import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.image.ImageView;
import javafx.scene.layout.BorderPane;
import javafx.stage.Stage;
import javafx.scene.layout.VBox;
import javafx.scene.layout.HBox;
import javafx.geometry.Insets;
import javafx.scene.control.Label;
import javafx.scene.control.TextArea;

public class JavaChatClientGUI extends Application {
    /*
    TODO - Needs a text area for chat transcripts
    TODO - Should have vertical scroll bars, wrap at line breaks
    TODO - Second text area for message inputs
    TODO - Button to send disconnect message onClick
    TODO - Send Button
    TODO -
     */


    private Stage window;

    public final int WINDOW_HEIGHT = 800;
    public final int WINDOW_WIDTH = 1100;

    public final int CHAT_HEIGHT = 500;
    public final int CHAT_WIDTH = 1000;

    public final int INPUT_HEIGHT = 200;
    public final int INPUT_WIDTH = 1000;

    public JavaChatClient jcc;
    private TextArea messageHistory;
    private TextArea messageInput;
    private Button submitInputButton;
    private Button closeChatButton;

    private BorderPane borderPane = new BorderPane();

//    public JavaChatClientGUI(JavaChatClient theClient){
//        this.jcc = theClient;
//    }

    private void closeProgram(){
        boolean ans = ConfirmBox.display("Close Window Confirm", "Are you sure you want to close?");
        if(ans){
            System.out.println("Closed properly");
            window.close();
        }
        else{
            System.out.println("No selected.");
            // window.close();
        }
    }

    private void submitMessage(){
        //Get input of text area
        //Send message on server
        //Server needs to update the program
        messageInput.setText("New Text");
    }

    private void newMessageFromClient(String message){
        //Read message in
        //Append message to text chat
        String currentText = messageHistory.getText();
        currentText += message;
        messageHistory.setText(currentText);
    }

    @Override
    public void start(Stage stage) throws Exception{
        this.window = stage;

        // TODO - Figure out proper instantiation
        // JavaChatClient jcc = new JavaChatClient();

        //jcc.sendMessage();

        // Send close requests to close method
        window.setOnCloseRequest(e -> {
            // Consume close event manually
            e.consume();
            closeProgram();
        }
        );

        //Start of JordansGUI

        window = stage;
        window.setTitle("Java Chat Client");

        //Root Vbox
        VBox root = new VBox();
        root.setPadding(new Insets(12));
        root.setSpacing(6);

        //Chat Label (Something likee: "Chatting as: <usernameE> on Port: <port #>")
        String chatLabelString = "jcc.chatLabelString goes here";
        Label chatLabel = new Label(chatLabelString);

        //Create TextArea with default message..
        TextArea messageHistory = new TextArea();
        messageHistory.setStyle("-fx-highlight-fill: lightgray; -fx-highlight-text-fill: firebrick; -fx-font-size: 12px;");
        messageHistory.setText("Welcome to the chat!\nSubmit your messages by pressing enter or clicking Submit");
        messageHistory.setPrefHeight(CHAT_HEIGHT);
        messageHistory.setPrefWidth(CHAT_WIDTH);

        //HBOX to hold the message input and button
        HBox inputBar = new HBox();

        //Input Message Text Area
        TextArea messageInput = new TextArea();
        messageInput.setPrefHeight(INPUT_HEIGHT);
        messageInput.setPrefWidth(INPUT_WIDTH});
        messageInput.setStyle("-fx-highlight-fill: lightgray; -fx-highlight-text-fill: firebrick; -fx-font-size: 12px;");
        //ToDo: Add handler that listens for Enter Preess and calls to submit the emeesesage

        //Submit input button
        Button submitInputButton = new Button("Submit");
        submitInputButton.setOnAction(new EventHandler<ActionEvent>(){

            public void handle(ActionEvent event){
                System.out.println("Message submitted by pressing enter");
                submitMessage();
            }
        });

        Button endChat = new Button("Leave Chat");
        endChat.setOnAction(new EventHandler<ActionEvent>(){
            public void handle(ActionEvent event){
                System.out.println("Program ended by pressing Leave Chat");
                closeProgram();
            }
        });

        //Add actions to the to close chat button
//        closeChatButton.setOnAction(action -> {
//            System.out.println("Close chat request");
//            closeProgram();
//        });

        //Adding input text area and submit input button to the HBox
        inputBar.getChildren().addAll(messageInput, submitInputButton);

        //Add all other components to the root VBox
        root.getChildren().addAll(chatLabel, messageHistory, inputBar, endChat);



        Scene scene = new Scene(root, WINDOW_WIDTH, WINDOW_HEIGHT);
        window.setScene(scene);
        window.show();


    }
}