using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Text;
using System.Windows.Forms;
using IniParser;
using IniParser.Model;

namespace StartApp
{
	public partial class form_Main : Form
	{
		private List<CADVerInfo> m_cadLists = new List<CADVerInfo>();

		private IniData m_iniData = null;

		private CadType m_cadType { get; set; } = CadType.eCadType_NONE;

		private string m_profilesName { get; set; }

		private string m_shVersion { get; set; }

		private string m_OEM { get; set; }

		private int m_maxVer { get; set; } = 19;

		private int m_minVer { get; set; } = 25;

		private string m_cName { get; set; }

		private string m_appVer { get; set; }
		
		private string m_Version { get; set; }

		private Bitmap m_bitmap { get; set; } = null;

		private Icon m_icon { get; set; } = null;

		public bool init()
		{
			if (!initIniData())
				return false;
			if (!initCADList())
				return false;

			setIcon();
			initPicBox();
			arrangeControls();

			foreach (var info in m_cadLists)
				listBox_CAD.Items.Add(info.m_sCADName);

			if (m_cName != null && m_Version != null)
				this.Text = m_cName + " " + m_Version;

			return true;
		}

		public bool directStartCAD()
		{
			// 唯一的CAD版本，直接启动
			if (m_cadLists.Count == 1)
			{
				startCAD(m_cadLists[0]);
				return true;
			}
			return false;
		}

		public form_Main()
		{
			InitializeComponent();
			return;
		}

		private bool initCADList()
		{
			if (m_cadLists.Count != 0)
				return true;

			CADVerInfo.getCadList(ref m_cadLists, m_cadType, m_minVer, m_maxVer);
			if (m_cadLists.Count == 0)
			{
				MessageBox.Show("没有找到可用的CAD版本");
				return false;
			}
			return true;
		}

		private void getCadVersionList(ref List<string> lst)
		{
			string verCAD = string.Empty;

			if (m_iniData["STARTAPP"].ContainsKey("CADVer"))
				verCAD = m_iniData["STARTAPP"]["CADVer"];

			string[] ar = verCAD.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
			lst.AddRange(ar);
		}

		private bool initIniData()
		{
			var parser = new FileIniDataParser();
			string inipath = @".\sys\product.ini";
			m_iniData = File.Exists(inipath) ? parser.ReadFile(inipath, Encoding.Default) : null;
			if (m_iniData == null)
			{
				MessageBox.Show("无法读取配置文件。");
				return false;
			}

			m_profilesName = m_iniData["Product"]["ProfilesName"];
			if (m_profilesName == null)
			{
				MessageBox.Show("无法获取配置名称。");
				return false;
			}

			m_shVersion = m_iniData["Product"]["Version"];
			if (m_shVersion == null)
			{
				MessageBox.Show("无法获取上华版本信息。");
				return false;
			}

			// 判断一下是不是新版本的配置文件，判断 [STARTAPP]
			if (m_iniData.Sections.ContainsSection("STARTAPP") && m_iniData["STARTAPP"].ContainsKey("CADVer"))
			{
				// 直接获取cad版本范围
				List<string> cadVersionlst = new List<string>();
				getCadVersionList(ref cadVersionlst);
				if (cadVersionlst.Count == 0)
				{
						MessageBox.Show("新版本配置文件中无法获取cad版本列表。");
						return false;
				}
				

				CADVerInfo.getCadList(ref m_cadLists, cadVersionlst);

				if (m_cadLists.Count == 0)
				{
						MessageBox.Show("无法获取已安装的cad版本。");
						return false;
				}

			}
			else
			{ // 兼容旧版本的配置文件，读取 [Product] 中的 CADVer
				var obj = m_iniData["Product"]["CADVer"];
				if (obj != null)
				{
					string[] array = obj.Split(new[] { ':' }, StringSplitOptions.RemoveEmptyEntries);
					string sMax = string.Empty, sMin = string.Empty;
					if (array.Length == 2)
					{
						m_cadType = CadType.eCadType_AutoCAD;
						sMin = array[0];
						sMax = array[1];
					}
					else if (array.Length == 3 && array[0] == "zw")
					{
						m_cadType = CadType.eCadType_ZWCAD;
						sMin = array[1];
						sMax = array[2];
					}
					else
					{
						MessageBox.Show("无法获取CAD类型信息。");
						return false;
					}

					if (int.TryParse(sMin, out int min) && int.TryParse(sMax, out int max))
					{
						m_minVer = min;
						m_maxVer = max;
					}
					else
					{
						MessageBox.Show("无法获取CAD版本范围信息。");
						return false;
					}

				}
				else
				{
					MessageBox.Show("无法获取CAD版本信息。");
					return false;
				}
			}

			m_cName = m_iniData["Product"]["CName"];
			m_appVer = m_iniData["Product"]["APPVer"];
			m_OEM = m_iniData["Product"]["OEM"];
			m_Version = m_iniData["Product"]["Version"];

			return true;
		}

		private void initPicBox()
		{
			string sBmp = string.Empty;
			if (m_profilesName.Contains("EW"))// 管廊
			{
				if (m_OEM == "shcj")
					sBmp = "StartApp.bmp.shcj.bmp";
				else
					sBmp = "StartApp.bmp.earthworm.bmp";
			}
			else if (m_profilesName.Contains("PP3D")) // 水处理
			{
				if (m_OEM == "shcj")
					sBmp = "StartApp.bmp.shcj.bmp";
				else
					sBmp = "StartApp.bmp.PP3D.bmp";
			}
			else if (m_profilesName.Contains("ECR3D")) // 电缆敷设
			{
				sBmp = "StartApp.bmp.ECableRoute3d.bmp";
			}
			else if (m_profilesName.Contains("ME-RPBIM")) // 中交
			{
				sBmp = "StartApp.bmp.中交集团.bmp";
			}
			else if (m_profilesName.Contains("ME-RupCAD")) // 速建
			{
				sBmp = "StartApp.bmp.RupCAD.bmp";
			}
			else if (m_profilesName.Contains("ENV")) // 环境
			{
				sBmp = "StartApp.bmp.PP3D.bmp";
			}
			else
				sBmp = "StartApp.bmp.PP3D.bmp";

			if (string.IsNullOrEmpty(sBmp)) return;

			using (Stream ss = Assembly.GetExecutingAssembly().GetManifestResourceStream(sBmp))
			{
				if (ss != null)
					m_bitmap = new Bitmap(ss);
			}
		}

		private void setIcon()
		{
			string sIcon = string.Empty;
			if (m_profilesName.Contains("EW"))// 管廊
			{
				sIcon = "StartApp.bmp.earthworm.ico";
			}
			else if (m_profilesName.Contains("ECR3D")) // 电缆敷设
			{
				sIcon = "StartApp.bmp.ECR3D.ico";
			}
			else
			{	// 默认
				if (m_cadType == CadType.eCadType_ZWCAD)
					sIcon = "StartApp.bmp.poolplant_zw.ico";
				else
					sIcon = "StartApp.bmp.PoolPlant3D.ico";
			}
			if (string.IsNullOrEmpty(sIcon)) return;
			using (Stream ss = Assembly.GetExecutingAssembly().GetManifestResourceStream(sIcon))
			{
				if (ss != null)
					m_icon = new Icon(ss);
			}

			if (m_icon != null)
				this.Icon = m_icon;
		}

		private void startCAD(CADVerInfo cad)
		{
			var startInfo = new ProcessStartInfo
			{
				FileName = cad.m_sExeName,
				Arguments = $"/p {m_profilesName}{m_shVersion}",
				WorkingDirectory = cad.m_sCADLocation,
				WindowStyle = ProcessWindowStyle.Maximized
			};
			try
			{
				using (Process pro = Process.Start(startInfo)) { }
			}
			catch (Exception ex)
			{
				MessageBox.Show(ex.Message);
			}
		}

		private void button_ok_Click(object sender, EventArgs e)
		{
			int idx = listBox_CAD.SelectedIndex;
			if (idx < 0 || idx >= m_cadLists.Count)
			{
				MessageBox.Show("请选择一个CAD版本。");
				return;
			}

			startCAD(m_cadLists[idx]);

			Close();
		}

		private void listBox_CAD_DoubleClick(object sender, EventArgs e)
		{
			button_ok_Click(sender, e);
		}

		private void pictureBox_Main_Paint(object sender, PaintEventArgs e)
		{
			if (m_bitmap == null) return;

			e.Graphics.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
			int border = 2;
			e.Graphics.DrawImage(m_bitmap
				, -border
				, -border
				, pictureBox_Main.Width + border
				, pictureBox_Main.Height + border +1);
		}

		private void arrangeControls()
		{
			if (m_bitmap == null) return;

			// pictureBox_Main 从 0,0 开始，其宽度为窗口宽度
			// 根据宽度和图片长宽比例，计算高度

			int wndWidth = this.ClientSize.Width;
			int wndHeight = this.ClientSize.Height;
			int border = 6;

			pictureBox_Main.Top = 0;
			pictureBox_Main.Left = 0;
			pictureBox_Main.Width = wndWidth;
			pictureBox_Main.Height = (int)(wndHeight * .5f);

			label_text.Top = pictureBox_Main.Height;
			label_text.Left = 0;

			button_ok.Top = button_cancel.Top = wndHeight - border - button_ok.Height;
			button_ok.Left = (int)((wndWidth - button_ok.Width) * .5);
			button_cancel.Left = wndWidth - border - button_cancel.Width;

			listBox_CAD.Top = label_text.Bottom;
			listBox_CAD.Left = 6;
			listBox_CAD.Width = wndWidth - border * 2;
			listBox_CAD.Height = button_ok.Top - listBox_CAD.Top - border;
		}

		private void button_cancel_Click(object sender, EventArgs e)
		{
			Close();
		}
	}
}