using System;
using System.Collections.Generic;
using System.IO;
using System.Windows.Forms;
using GeoSigmaDrawLib;
using NetTopologySuite;
using NetTopologySuite.Geometries;
using FortAnalyzeLib;

namespace FortAnalysis
{
    public partial class FormMain : Form
    {
        private GeometryFactory gf = null;
        public FormMain()
        {
            // spatial reference id
            const int srid = 25832;
            InitializeComponent();
            this.gf = NtsGeometryServices.Instance.CreateGeometryFactory(srid);
            var sec = Security.CurentLicenseInfo;
        }
        int splitNum = 30;
        private void btnPlay_Click(object sender, EventArgs e)
        {
            try
            {
                this.calSuccess();
            }
            catch
            {
                return;
            }
            //string strFile = @"C:\GeoIntelligent\Drawer\Drawer\GVision\FortAnalysis\堑垒识别（密集带底图）.kev";
            //string strFileSave = @"C:\GeoIntelligent\Drawer\Drawer\GVision\FortAnalysis\堑垒识别（密集带底图）_output.kev";
            string strFile = txtInput.Text;
            string strFileSave = txtOutput.Text;
            if(string.IsNullOrEmpty(strFileSave))
            {
                MessageBox.Show("请选择输出文件!");
                return;
            }
            string strLayerSource = $"{this.cmbLayers.SelectedItem}";

            FortAnalyze analyze = new FortAnalyze();
            analyze.ExcuteAnalyze(strFile, strFileSave, strLayerSource);

            MessageBox.Show("计算完毕!");
        }

        private void btnInput_Click(object sender, EventArgs e)
        {
            OpenFileDialog ofd = new OpenFileDialog();
            ofd.RestoreDirectory = true;
            ofd.Filter = "*.kev|*.kev|*.dfd|*.dfd|*.*|*.*";
            if (ofd.ShowDialog() != DialogResult.OK)
            {
                return;
            }
            this.txtInput.Text = ofd.FileName;
            
            string strFullFile = this.txtInput.Text;
            string strPath = Path.GetDirectoryName(strFullFile);
            string strOutput = Path.Combine(strPath,
                $"{Path.GetFileNameWithoutExtension(strFullFile)}_out{Path.GetExtension(strFullFile)}");
            this.txtOutput.Text = strOutput;

            ReloadLayers(strFullFile);
        }

        private void ReloadLayers(string strFile)
        {
            DrawerData drawerSource = new DrawerData();
            if (drawerSource.OpenFile(strFile) == false)
            {
                return;
            }
            string layerNamesStr = drawerSource.GetLayers();
            drawerSource.Dispose();
            List<string> lstLayerNames = new List<string>();
            if (layerNamesStr.Length != 0)
            {
                string[] separators = new string[1];
                separators[0] = "\r\n";
                string[] layerNames = layerNamesStr.Split(separators, StringSplitOptions.RemoveEmptyEntries);
                foreach (string layerName in layerNames)
                {
                    int nIndexStatus = layerName.IndexOf('|');
                    if (nIndexStatus >= 0)
                    {
                        lstLayerNames.Add(layerName.Substring(nIndexStatus + 1)
                            .Replace("Layer:\\", string.Empty));
                    }
                    else
                    {
                        lstLayerNames.Add(layerName.Replace("Layer:\\", string.Empty));
                    }
                }
            }
            lstLayerNames.Sort();
            lstLayerNames.Reverse();
            cmbLayers.Items.Clear();
            cmbLayers.Items.AddRange(lstLayerNames.ToArray());

            if (cmbLayers.Items.Count > 0)
            {
                cmbLayers.SelectedIndex = 0;
            }
        }

        private void btnOutput_Click(object sender, EventArgs e)
        {
            SaveFileDialog sfd = new SaveFileDialog();
            sfd.RestoreDirectory = true;
            sfd.Filter = "*.kev|*.kev|*.dfd|*.dfd|*.*|*.*";
            sfd.AddExtension = true;
            if(sfd.ShowDialog() != DialogResult.OK)
            {
                return;
            }
            this.txtOutput.Text = sfd.FileName;

        }

        private void btnReloadLayer_Click(object sender, EventArgs e)
        {
            string strFile = this.txtInput.Text;
            ReloadLayers(strFile);
        }

        private void button1_Click(object sender, EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }
        /// <summary>
        /// cals the success.
        /// </summary>
        /// <returns>An int.</returns>
        private int calSuccess()
        {
            DateTime dateLim = new DateTime(2023, 12, 31);
            if (DateTime.Compare(DateTime.Now, dateLim) > 0)
            {
                throw new Exception("运行错误，请联系软件服务人员");
            }
            return 100;
        }
    }
}