using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
using PIC_Simulator;



namespace PIC_Simulator
{
    public partial class Form1 : Form
    {
        
        public Form1()
        {
            InitializeComponent();
            
        }
        // Globale Variablen 
        public int ArrayLaenge =0;
        public int PCounter = -1;
        public int time;
        public int timeIntervall;
        Einlesen instEinlesen = new Einlesen();
        
    
        private void label1_Click(object sender, EventArgs e)
        {

        }

        private void Form1_Load(object sender, EventArgs e)
        {
            box_CodeView.Font = new Font("Consolas", 8);
            timeIntervall = 1000;
        }

        private void cmd_Start_Click(object sender, EventArgs e)
        {
            timer1.Interval = timeIntervall; // 1 Sekunde
            timer1.Enabled = true;
        }
        
        private void cmd_next_Click(object sender, EventArgs e)

        {
             // MessageBox.Show("Array laenge übergeben:" + ArrayLaenge);
            if (PCounter == ArrayLaenge) { MessageBox.Show("Programm ist komplett durchlaufen!"); }
            else {
                   PCounter = PCounter + 1;
                try
                {
                    //Zeilenmarkierung aufheben 
                    highLightALine(box_CodeView, PCounter - 1, Color.White);
                }
                catch { }
                //Counter im Label inkrementieren
                int shownCounter = PCounter;
                shownCounter++;
                label3.Text = shownCounter.ToString();
            }
            //Aktuelle Zeile markieren
            highLightALine(box_CodeView, PCounter, Color.Green);

            instEinlesen.readExecCode(PCounter);
        }

        private int getPCounter() {
            return PCounter;
        }

        private void programmÖffnenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            // Datei über openFileDialog1 Auswählen und in Anzeige öffnen
            FileStream fs;
            StreamReader sr;
            string zeile;

            if (openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                sr = new
                StreamReader(openFileDialog1.FileName);
                DialogResult = MessageBox.Show(sr.ReadToEnd(), "Programm Vorschau", MessageBoxButtons.OKCancel);
                sr.Close();
                // Abfrage von Ergebnis des Dialogs, wenn ja Datei laden
                if (DialogResult == DialogResult.OK)
                {
                    fs = new FileStream(openFileDialog1.FileName, FileMode.Open);
                    sr = new StreamReader(fs);

                    while (sr.Peek() != -1)
                    {
                        zeile = sr.ReadLine();
                        box_CodeView.Text += zeile + "\n";
                    }
                    sr.Close();
                    lbl_path.Text = openFileDialog1.FileName;

                    // StreamReader jede Zeile in Listenelement schreiben über Funktionsaufruf in der Klasse Einlesen

                    ArrayLaenge = instEinlesen.writeToArray(sr = new StreamReader(openFileDialog1.FileName));
                }

            }
        }

        private void cmdOpenDoc_Click(object sender, EventArgs e)
        {
            string path = Application.StartupPath;
            MessageBox.Show( path);
            System.Diagnostics.Process.Start(@"C:\Users\nicol\Desktop\Projekte\PIC_Simulator\Projektinformationen\DataSheet.pdf");
        }

        //Funktion um Zeile aktuell ausgeführte Zeile zu markieren
        void highLightALine(RichTextBox rtb, int line, Color hiLight)
        {
            int i1 = rtb.GetFirstCharIndexFromLine(line);
            int i2 = rtb.GetFirstCharIndexFromLine(line + 1);
            if (i2 < 0) i2 = rtb.Text.Length;

            rtb.SelectionStart = i1;
            rtb.SelectionLength = i2 - i1;
            rtb.SelectionBackColor = hiLight;
        }

        private void cmdSetClock_Click(object sender, EventArgs e)
        {
            timeIntervall = Convert.ToInt32(insertTime.Text);
            
        }

        private void cmd_reset_Click(object sender, EventArgs e)
        {   //######################### Muss ergänzt und getestet werden !!! 
            // Hier müssen alle Werte wieder auf den Standard gesetzt werden! 
            highLightALine(box_CodeView, PCounter, Color.White);
            PCounter = -1;
            label3.Text = PCounter.ToString();
            //######################### Muss ergänzt und getestet werden !!! 
        }


        private void buildtbl_Register() {
            
        }

        private void beendenToolStripMenuItem_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void timer1_Tick(object sender, EventArgs e)
        {
            Einlesen QuarzExec = new Einlesen();
            
            PCounter = PCounter + 1;
            label3.Text = PCounter.ToString();
        }

        private void cmd_Stop_Click(object sender, EventArgs e)
        {
            timer1.Enabled = false;
        }


    }
     }