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

namespace projekt_test4
{
    public partial class Form1 : Form
    {

        private List<Persons> Person = new List<Persons>();
        private string path = @"seznam.txt";
        int pocetHodnot = 0;
        int kresliZ = 0;
        int kresliDo = 0;
        int index = 1;
        int body = 10000;
        List<double> hodnoty = new List<double>();
        private Object nacitani = new Object();

        public Form1()

        {
            InitializeComponent();
            this.comboBox1.Items.Add("COM1");
            this.comboBox1.Items.Add("COM2");
            this.comboBox1.Items.Add("COM3");
            this.comboBox1.Items.Add("COM4");

            this.comboBox2.Items.Add("2400");
            this.comboBox2.Items.Add("4800");
            this.comboBox2.Items.Add("9600");
            this.comboBox2.Items.Add("19200");
            this.comboBox2.Items.Add("38400");

            //this.comboBox2.Text = Properties.Settings.Default.Speed;
            //this.comboBox1.Text = Properties.Settings.Default.Port;
        }

        private void serialPort1_DataReceived(object sender, System.IO.Ports.SerialDataReceivedEventArgs e)
        {
            int length = this.serialPort1.BytesToRead;
            string data = this.serialPort1.ReadExisting();
            WriteData(data);
        }

        private void button3_Click(object sender, EventArgs e)
        {
            try
            {
                this.serialPort1.PortName = this.comboBox1.Text;
                this.serialPort1.BaudRate = int.Parse(this.comboBox2.Text);
                this.serialPort1.Open();
                label2.Text = "Pripojeno";
                this.serialPort1.DataReceived += serialPort1_DataReceived;
            }
            catch (System.ArgumentException)
            {
                MessageBox.Show("Nezadali jste port");
            }
            catch (System.FormatException)
            {
                MessageBox.Show("Nezadali jste cteci rychlost");
            }
            catch (IOException)
            {
                MessageBox.Show("Port neexistuje");
            }
            catch (UnauthorizedAccessException)
            {
                MessageBox.Show("Port je vyuzivan");
            }


        }

        private void button5_Click(object sender, EventArgs e)
        {
            label3.Text = "Probíhá Měření";
        }

        private void exit_btn_Click(object sender, EventArgs e)
        {
            try
            {
                Application.Exit();
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void add_btn_Click(object sender, EventArgs e)
        {
            try
            {
                Persons per = PersonValue();
                this.Person.Add(per);
                FillListBox();
                Save();


            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }


        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (this.listBox1.SelectedIndex > -1)
            {
                Persons pers = this.Person[this.listBox1.SelectedIndex];
                this.textBox1.Text = pers.Jmeno;
                this.textBox2.Text = pers.Prijmeni;
                this.textBox3.Text = pers.Rocnik;
                if (pers.Pohlavi == "Muz") { checkBox3.Checked = true; }
                if (pers.Pohlavi == "Zena") { checkBox4.Checked = true; }
                if (pers.Vysetreni == "EMG") { checkBox2.Checked = true; }
                if (pers.Vysetreni == "EKG") { checkBox1.Checked = true; }

            }
        }

        private void Form1_Load(object sender, EventArgs e)
        {
            //this.comboBox1.Text = Properties.Settings.Default.Speed;
            //this.comboBox2.Text = Properties.Settings.Default.Port;
            registerDelegate();
            string[] lines = File.ReadAllLines(path);
            foreach (string line in lines)
            {
                Persons pers = new Persons();
                pers.SetFileString(line);
                this.Person.Add(pers);

            }
            FillListBox();
            label3.Text = "Neprobíhá měření";
            label2.Text = "Odpojeno";
        }

        private void dell_btn_Click(object sender, EventArgs e)
        {
            int osoba = listBox1.SelectedIndex;
            var seznamOsob = new List<string>(System.IO.File.ReadAllLines(path));
            seznamOsob.RemoveAt(osoba);
            File.WriteAllLines(path, seznamOsob.ToArray());
            listBox1.Items.Remove(listBox1.SelectedItem);
            listBox1.Refresh();
        }

        private void stop_btn_Click(object sender, EventArgs e)
        {
            label3.Text = "Neprobíhá měření";
        }

        private void clear_btn_Click(object sender, EventArgs e)
        {
            this.chart1.Series[0].Points.Clear();
        }

        private void export_btn_Click(object sender, EventArgs e)
        {
            chart1.Serializer.Save("Data/" + "Graf_" + DateTime.Now.ToString("dd'_'MM'_'yyyy HH'_'mm'_'ss") + ".xml"); // Uloží data do .xml
            this.chart1.SaveImage("Data/" + "Graf_" + DateTime.Now.ToString("dd'_'MM'_'yyyy HH'_'mm'_'ss") + ".png", ChartImageFormat.Png);
        }
        public Persons PersonValue()
        {
            Persons pers = new Persons();
            pers.Jmeno = this.textBox1.Text;
            pers.Prijmeni = this.textBox2.Text;
            pers.Rocnik = this.textBox3.Text;
            if (checkBox3.Checked) { pers.Pohlavi = this.checkBox3.Text; }
            else { pers.Pohlavi = this.checkBox4.Text; }
            if (checkBox1.Checked) { pers.Vysetreni = this.checkBox1.Text; }
            else { pers.Vysetreni = this.checkBox2.Text; }
            return pers;
        }
        private void Save()
        {
            string[] lines = new string[this.Person.Count];
            for (int j = 0; j < this.Person.Count; j++)
            {
                lines[j] = this.Person[j].ToFileString();
            }
            File.WriteAllLines(this.path, lines);
        }

        private void FillListBox()
        {
            this.listBox1.Items.Clear();
            foreach (Persons pers in this.Person)
            {
                this.listBox1.Items.Add(pers.Jmeno + pers.Prijmeni + pers.Rocnik);
            }
        }
        public delegate void DlgWriteToTextbox(string text);

        public DlgWriteToTextbox WriteToTextBox;

        void registerDelegate()
        {
            this.WriteToTextBox += meWriteToTextbox;
        }

        void WriteData(string text)
        {
            this.Invoke(this.WriteToTextBox, new object[] { text });
        }

        void meWriteToTextbox(string text)
        {
            lock(nacitani)
            {
                if(text.EndsWith(";"))
                    {
                    text.Substring(0, text.Length - 1);
                }
                if(text.StartsWith(";"))
                {
                    text.Substring(1, text.Length);

                }
                string[] aktualniHodnoty = text.Split(';');

                foreach(string value in aktualniHodnoty)
                {
                    if (value == "")
                    {

                    }
                    else
                    {
                        hodnoty.Add(Convert.ToDouble(value));
                    }
                }
                int pocetPrijatych = aktualniHodnoty.Length;
                pocetHodnot += pocetPrijatych;

                textBox4.Text = text;

                posuvOsy();

                if(label3.Text=="Probíhá Měření")
                {
                    this.chart1.Series[0].Points.Clear();
                    this.chart1.ChartAreas[0].AxisX.Minimum = kresliZ + 1;
                    this.chart1.ChartAreas[0].AxisX.Maximum = kresliDo + 1;
                    this.chart1.ChartAreas[0].AxisY.Minimum = -0.66;
                    this.chart1.ChartAreas[0].AxisY.Maximum = 2;
                    index = 1;
                    for (int i = kresliZ; i <= kresliDo; i++)
                    {
                        DataPoint p = new DataPoint(i + 1, hodnoty[i]);
                        this.chart1.Series[0].Points.Add(p);
                        index++;
                    }

                }


            }

        }
        void posuvOsy()
        {
            if(pocetHodnot>=body)
            {
                kresliDo = hodnoty.Count - 1;
                kresliZ = kresliDo - body + 1;
            }
            else
            {
                kresliZ = 0;
                kresliDo = hodnoty.Count - 1;
            }
        }

        private void Form1_FormClosing(object sender, FormClosingEventArgs e)
        {
            //Properties.Settings.Default.Speed = this.comboBox2.Text;
            //Properties.Settings.Default.Port = this.comboBox1.Text;
            Properties.Settings.Default.Save();
        }

        private void disconnect_btn_Click(object sender, EventArgs e)
        {
            this.serialPort1.Close();
            label2.Text = "Odpojeno";
        }

        private void button1_Click(object sender, EventArgs e)
        {
            hodnoty.Clear();
            pocetHodnot = 0;
        }
    }
    }