package fabrik.simulator.pic16f84;

import javafx.beans.property.SimpleStringProperty;
import javafx.geometry.Insets;

import javafx.scene.chart.PieChart;
import javafx.scene.control.Button;
import javafx.scene.control.Label;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;

import javafx.scene.layout.HBox;
import javafx.scene.layout.VBox;


import static javafx.application.Application.launch;

public class Table {


        //Hier wird die Tabelle aktualisiert
        //Tabelle aktualisieren

    private static final int NUM_COLUMNS = 8; // Anzahl der Spalten
    private static final double TABLE_WIDTH = 420; // Breite der TableView
    private static final double TABLE_HEIGHT = 600; // Höhe der TableView

    private static String formatHex(String s) {
        return (s.length() == 1) ? "0" + s : s;
    }

    private static String formatBin (String s){
        int l = s.length();
        if (l < 8){
            StringBuilder sBuilder = new StringBuilder(s);
            for (int i = 0; i < 8 - l; i++){
                sBuilder.insert(0, "0");
            }
            s = sBuilder.toString();
        }
        return s;
    }


    public static VBox refresh(){
        // Erstelle eine Instanz der DataRegister-Klasse


        // Erstelle eine TableView für die Datenanzeige
        TableView<DataEntry[]> tableView = new TableView<>();
        tableView.setPrefWidth(TABLE_WIDTH);
        tableView.setPrefHeight(TABLE_HEIGHT);




        // Erstelle Spalten für die TableView
        for (int i = 0; i < NUM_COLUMNS; i++) {
            TableColumn<DataEntry[], String> column = new TableColumn<>("0" + (i));
            final int columnIndex = i;
            column.setCellValueFactory(cellData -> {
                if (cellData.getValue() != null && cellData.getValue().length > columnIndex) {
                    return new SimpleStringProperty(cellData.getValue()[columnIndex].getValue());
                } else {
                    return new SimpleStringProperty("");
                }
            });
            tableView.getColumns().add(column);
        }

        // Fülle die TableView mit Daten aus dem Array
        int numRows = (int) Math.ceil((double) DataRegister.getDataRegister().length / NUM_COLUMNS);
        for (int row = 0; row < numRows; row++) {
            DataEntry[] rowData = new DataEntry[NUM_COLUMNS];
            for (int col = 0; col < NUM_COLUMNS; col++) {
                int index = row * NUM_COLUMNS + col;
                if (index < DataRegister.getDataRegister().length) {
                    String address = "0x" + formatHex(Integer.toHexString(index).toUpperCase());
                    String value = "0x" + formatHex(Integer.toHexString(DataRegister.getDataRegister()[index]).toUpperCase());
                    rowData[col] = new DataEntry(address, value);
                } else {
                    rowData[col] = new DataEntry("", "");
                }
            }
            tableView.getItems().add(rowData);
        }

        // Erstelle Labels für die Spezialregister;

        Label spacing = new Label(" ");
        Label spacing2 = new Label(" ");
        Label wRegisterLabel = new Label("W-Register: 0x" + formatHex(Integer.toHexString(Commands.get_wRegister()).toUpperCase()));
        Label cLabel = new Label("Carry: 0x" + formatHex(Integer.toHexString(DataRegister.getCarryFlag())));
        Label dcLabel = new Label("Digit-Carry: 0x" + formatHex(Integer.toHexString(DataRegister.getDigitCarryFlag())));
        Label zLabel = new Label("Zero-Flag: 0x" + formatHex(Integer.toHexString(DataRegister.getZeroFlag())));
        Label pcLabel = new Label("PC: 0x" + formatHex(Integer.toHexString(DataRegister.getPC()).toUpperCase()));
        Label pclLabel = new Label("PCL: 0x" + formatHex(Integer.toHexString(DataRegister.getRegister(DataRegister.getPCL())).toUpperCase()));
        Label pclathLabel = new Label("PCLATH: 0x" + formatHex(Integer.toHexString(DataRegister.getRegister(DataRegister.getPCLATH())).toUpperCase()));
        Label statusLabel = new Label("STATUS: 0b" + formatBin(Integer.toBinaryString(DataRegister.getRegister(DataRegister.getSTATUS())))+ " (0x" + formatHex(Integer.toHexString(DataRegister.getRegister(DataRegister.getSTATUS())).toUpperCase()) + ")");
        Label fsrLabel = new Label("FSR: 0x" + formatHex(Integer.toHexString(DataRegister.getRegister(DataRegister.getFSR())).toUpperCase()));
        Label prescalerLabel = new Label("Prescaler: 0x" + formatHex(Integer.toHexString(PreScaler.getScaler())).toUpperCase());
        Label intconLabel = new Label("INTCON: 0b" + formatBin(Integer.toBinaryString(DataRegister.getRegister(DataRegister.getINTCON()))) + " (0x" + formatHex(Integer.toHexString(DataRegister.getRegister(DataRegister.getINTCON())).toUpperCase()) + ")");

        wRegisterLabel.setStyle("-fx-font-weight: bold");
        pcLabel.setStyle("-fx-font-weight: bold");
        statusLabel.setStyle("-fx-font-weight: bold");
        intconLabel.setStyle("-fx-font-weight: bold");

        HBox labelsAndButton = new HBox();
        VBox labels = new VBox();
        labels.getChildren().addAll(spacing, pcLabel, pclLabel, pclathLabel, wRegisterLabel, cLabel, dcLabel, zLabel, statusLabel, fsrLabel, prescalerLabel, intconLabel);
        VBox button = new VBox();
        Button resetButton = new Button("Register reset");
        resetButton.setOnAction(e -> {
            DataRegister.initDataRegister();
            DataRegister.setPC(DataRegister.getPC()-1);
            triggerRefresh();
        });

        button.getChildren().addAll(spacing2, resetButton);

        labelsAndButton.getChildren().addAll(labels, button);


        // Erstelle einen VBox, um die TableView und Labels anzuzeigen
        VBox table = new VBox();
        table.getChildren().addAll(tableView, labelsAndButton);
        VBox.setMargin(tableView, new Insets(0, 0, 0, 0));

        return table;

    }

    private static void triggerRefresh() {
        //Controller_Frontend.triggerTableRefresh();
        IOPorts.refreshUI(Controller_Frontend.getTRISbuttons(), Controller_Frontend.getPORTbuttons());
    }

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

    // Hilfsklasse für die Datenanzeige in der TableView
    public static class DataEntry {
        private final String address;
        private final String value;

        public DataEntry(String address, String value) {
            this.address = address;
            this.value = value;
        }

        public String getAddress() {
            return address;
        }

        public String getValue() {
            return value;
        }
    }


}