using KDCS.Utils;
using System;
using System.Linq;
using System.Windows.Forms;

namespace KMBIM
{
    public partial class Radius : Form
    {
        public const double PI = 3.14159265358;

        public double m_xdst = 0.0;
        public double m_ydst = 0.0;

        public Radius()
        {
            InitializeComponent();
            m_xdst = 0.0;

            m_ydst = 0.0;
        }

        private void txt_radius_TextChanged(object sender, EventArgs e)
        {
            if (txt_radius.Text == "") txt_radius.Text = "0";
            if (txt_length1.Text == "") txt_length1.Text = "0";
            if (txt_length2.Text == "") txt_length2.Text = "0";
            if (txt_cnt1.Text == "") txt_cnt1.Text = "0";
            if (txt_cnt2.Text == "") txt_cnt2.Text = "0";
            if (double.IsNaN(m_xdst)) return;
            if (double.IsNaN(m_ydst)) return;

            bool flg = false;
            double convert_Radius = Unit.MMToFeet(Convert.ToDouble(txt_radius.Text));
            //double convert_Radius = Unit.CovertToAPI(Convert.ToDouble(txt_radius.Text), DisplayUnitType.DUT_MILLIMETERS);
            double ang = 45 / 180.0 * PI;
            //m_ydst = 2 * (Convert.ToDouble(txt_radius.Text) / 0.00328) * System.Math.Sin(ang);
            //m_xdst = 2 * (Convert.ToDouble(txt_radius.Text) / 0.00328) * System.Math.Cos(ang);
            m_ydst = 2 * Convert.ToDouble(txt_radius.Text) * Math.Sin(ang);
            m_xdst = 2 * Convert.ToDouble(txt_radius.Text) * Math.Cos(ang);

            txt_cnt1.Text = (Math.Floor(Convert.ToDouble(txt_length1.Text) / m_xdst)).ToString();
            txt_cnt2.Text = (Math.Floor(Convert.ToDouble(txt_length2.Text) / m_ydst)).ToString();

            if (Convert.ToDouble(txt_length1.Text) > Convert.ToInt32(txt_cnt1.Text) * m_xdst)
            {//면적에 꽉 차는가?
                txt_cnt1.Text = (Convert.ToInt32(txt_cnt1.Text) + 1).ToString();
                m_xdst = Convert.ToDouble(txt_length1.Text) / Convert.ToInt32(txt_cnt1.Text);
                m_ydst = Math.Sqrt((Convert.ToDouble(txt_radius.Text) / 0.00328) * (Convert.ToDouble(txt_radius.Text) / 0.00328) - Math.Pow(0.5 * m_xdst, 2.0)) * 2.0;
                flg = true;
            }
            if (Convert.ToDouble(txt_length2.Text) > Convert.ToInt32(txt_cnt2.Text) * m_ydst)
            {
                txt_cnt2.Text = (Convert.ToInt32(txt_cnt2.Text) + 1).ToString();
                m_ydst = Convert.ToDouble(txt_length2.Text) / Convert.ToInt32(txt_cnt2.Text);
                if (!flg) m_xdst = Math.Sqrt((Convert.ToDouble(txt_radius.Text) / 0.00328) * (Convert.ToDouble(txt_radius.Text) / 0.00328) - Math.Pow(0.5 * m_ydst, 2.0)) * 2.0;
            }
        }

        private void txt_cnt1_TextChanged(object sender, EventArgs e)
        {
            m_xdst = Convert.ToDouble(txt_length1.Text) / Convert.ToInt32(txt_cnt1.Text);
        }

        private void txt_cnt2_TextChanged(object sender, EventArgs e)
        {
            m_ydst = Convert.ToDouble(txt_length2.Text) / Convert.ToInt32(txt_cnt2.Text);
        }

        private void Radius_Load(object sender, EventArgs e)
        {
            this.KeyPreview = true;
        }

        private void Radius_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.Escape)
            {
                //this.Close();
                this.DialogResult = DialogResult.Cancel;
            }
            else if (e.KeyCode == Keys.Enter)
            {
                this.DialogResult = DialogResult.OK;
            }
        }

        private void txt_radius_KeyPress(object sender, KeyPressEventArgs e)
        {
            int keyCode = (int)e.KeyChar;
            if ((keyCode < 48 || keyCode > 57) && keyCode != 8 && keyCode != 46)
                e.Handled = true;

            if (keyCode == 46)
            {
                if (string.IsNullOrEmpty(txt_radius.Text) || txt_radius.Text.Contains('.') == true)
                    e.Handled = true;
            }
        }
    }
}