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;

namespace CPFTrack
{
    public partial class FormStripChart : Form
    {
        private Form1 form1;
        public FormStripChart(Form1 f1)
        {
            InitializeComponent();
           // form1 = new Form1();
            form1 = f1;
            form1.OnIUSBLUpdate += new Form1.IUSBLUpdateHandler(updateIUSBL);
        }

        private void updateIUSBL(object sender, Form1.IUSBLData e)
        {
            updateStripChart(e);
            
        }

        private static TimeSpan xSpan = new TimeSpan(0, 2, 0);
        private static DateTime xMin;
        private static double startDepth = 0.0;
        private static double depthRange = 10.0;

        private void updateStripChart(Form1.IUSBLData iusblData)
        {
            xMin = iusblData.timeStamp - xSpan;

            if (!autoScaleY)
            {
                chartStripChart.ChartAreas[0].AxisX.Maximum = iusblData.timeStamp.ToOADate();
                chartStripChart.ChartAreas["ChartArea1"].AxisX.Minimum = xMin.ToOADate();

                chartStripChart.ChartAreas[0].AxisY.Maximum = startDepth;
                chartStripChart.ChartAreas["ChartArea1"].AxisY.Minimum = startDepth - depthRange;
            }
            else
            { 
                //chartStripChart.ChartAreas[0].AxisX.IntervalAutoMode = true; 
            }

            if (running)
            {
                //if (chartStripChart.Series["Series1"].Points.Count >= 10)
                //    chartStripChart.Series["Series1"].Points.Remove(0);
   
                chartStripChart.Series["Series1"].Points.AddXY(iusblData.timeStamp.ToOADate(), iusblData.zValue);
                Console.WriteLine("Points count = " + chartStripChart.Series["Series1"].Points.Count.ToString());
                
                tbDepth.Text = iusblData.zValue.ToString("f1");
            }
        }

        private void vsbStartDepth_Scroll(object sender, ScrollEventArgs e)
        {
            startDepth = vsbStartDepth.Value;
        }

        private void vsbDepthRange_Scroll(object sender, ScrollEventArgs e)
        {
            depthRange = vsbDepthRange.Value;
        }

        private static bool autoScaleY = true;
        private void autoScaleYToolStripMenuItem_Click(object sender, EventArgs e)
        {
            autoScaleY = !autoScaleY;
            if( autoScaleY )
            {
                chartStripChart.ChartAreas[0].AxisY.Minimum = double.NaN;
                chartStripChart.ChartAreas[0].AxisY.Maximum = double.NaN;
            }
        }

        private static bool running = false;
        private void startToolStripMenuItem_Click(object sender, EventArgs e)
        {
            running = !running;
        }

        private void FormStripChart_FormClosing(object sender, FormClosingEventArgs e)
        {
            running = false;
        }
    }
}