// This file is a part of the Pattern Switcher app and is copyright 2006-2018 IBBoard.
//
// The file and the library/program it is in are licensed under the GNU GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
using System;
using System.Drawing;
using System.Collections;
using System.ComponentModel;
using System.Windows.Forms;
using System.IO;

using IBBoard;

namespace IBBoard.Relic.PatternSwitcher
{
	/// <summary>
	/// Summary description for FrmConfig.
	/// </summary>
	public class FrmConfig : System.Windows.Forms.Form
	{
		private System.Windows.Forms.Label lblDoWPath;
		private System.Windows.Forms.Label lblPatternPath;
		private System.Windows.Forms.TextBox txtDoWPath;
		private System.Windows.Forms.TextBox txtPatternPath;
		private System.Windows.Forms.Button bttnDoWPath;
		private System.Windows.Forms.Button bttnPatternPath;
		private System.Windows.Forms.Button bttnOK;
		private System.Windows.Forms.Button bttnCancel;
		private System.Windows.Forms.FolderBrowserDialog fbdPath;
		/// <summary>
		/// Required designer variable.
		/// </summary>
		private System.ComponentModel.Container components = null;
		private System.Windows.Forms.Button bttnSave;
		private ArrayList changed;
		private System.Windows.Forms.Button bttnSaveAs;
		private System.Windows.Forms.Button bttnLoad;
		private System.Windows.Forms.SaveFileDialog saveFileDialog;
		private System.Windows.Forms.OpenFileDialog openFileDialog;
		private System.Windows.Forms.ListBox lstMappings;
		private System.Windows.Forms.Label label1;
		private System.Windows.Forms.Button bttnAddMapping;
		private System.Windows.Forms.Button bttnEditMapping;
		private System.Windows.Forms.Button bttnRemoveMapping;
		private ArrayList mappingsList = new ArrayList();

		Preferences pref;


		public FrmConfig(Preferences prefs):this()
		{
			pref = prefs;
			changed = new ArrayList();
		}

		private FrmConfig()
		{
			//
			// Required for Windows Form Designer support
			//
			InitializeComponent();
		}

		/// <summary>
		/// Clean up any resources being used.
		/// </summary>
		protected override void Dispose( bool disposing )
		{
			if( disposing )
			{
				if(components != null)
				{
					components.Dispose();
				}
			}
			base.Dispose( disposing );
		}

		#region Windows Form Designer generated code
		/// <summary>
		/// Required method for Designer support - do not modify
		/// the contents of this method with the code editor.
		/// </summary>
		private void InitializeComponent()
		{
			this.lblDoWPath = new System.Windows.Forms.Label();
			this.lblPatternPath = new System.Windows.Forms.Label();
			this.fbdPath = new System.Windows.Forms.FolderBrowserDialog();
			this.txtDoWPath = new System.Windows.Forms.TextBox();
			this.txtPatternPath = new System.Windows.Forms.TextBox();
			this.bttnDoWPath = new System.Windows.Forms.Button();
			this.bttnPatternPath = new System.Windows.Forms.Button();
			this.bttnOK = new System.Windows.Forms.Button();
			this.bttnCancel = new System.Windows.Forms.Button();
			this.bttnSave = new System.Windows.Forms.Button();
			this.bttnSaveAs = new System.Windows.Forms.Button();
			this.bttnLoad = new System.Windows.Forms.Button();
			this.saveFileDialog = new System.Windows.Forms.SaveFileDialog();
			this.openFileDialog = new System.Windows.Forms.OpenFileDialog();
			this.lstMappings = new System.Windows.Forms.ListBox();
			this.label1 = new System.Windows.Forms.Label();
			this.bttnAddMapping = new System.Windows.Forms.Button();
			this.bttnEditMapping = new System.Windows.Forms.Button();
			this.bttnRemoveMapping = new System.Windows.Forms.Button();
			this.SuspendLayout();
			// 
			// lblDoWPath
			// 
			this.lblDoWPath.Location = new System.Drawing.Point(8, 8);
			this.lblDoWPath.Name = "lblDoWPath";
			this.lblDoWPath.Size = new System.Drawing.Size(128, 23);
			this.lblDoWPath.TabIndex = 0;
			this.lblDoWPath.Text = "Game Path:";
			this.lblDoWPath.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// lblPatternPath
			// 
			this.lblPatternPath.Location = new System.Drawing.Point(8, 40);
			this.lblPatternPath.Name = "lblPatternPath";
			this.lblPatternPath.Size = new System.Drawing.Size(128, 23);
			this.lblPatternPath.TabIndex = 1;
			this.lblPatternPath.Text = "Pattern Path:";
			this.lblPatternPath.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// txtDoWPath
			// 
			this.txtDoWPath.Location = new System.Drawing.Point(136, 8);
			this.txtDoWPath.Name = "txtDoWPath";
			this.txtDoWPath.Size = new System.Drawing.Size(320, 20);
			this.txtDoWPath.TabIndex = 2;
			this.txtDoWPath.Tag = "DoWPath";
			this.txtDoWPath.Text = "";
			this.txtDoWPath.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textbox_KeyDown);
			this.txtDoWPath.TextChanged += new System.EventHandler(this.textbox_TextChanged);
			this.txtDoWPath.Leave += new System.EventHandler(this.textbox_Leave);
			// 
			// txtPatternPath
			// 
			this.txtPatternPath.Location = new System.Drawing.Point(136, 40);
			this.txtPatternPath.Name = "txtPatternPath";
			this.txtPatternPath.Size = new System.Drawing.Size(320, 20);
			this.txtPatternPath.TabIndex = 4;
			this.txtPatternPath.Tag = "DoWTexturePath";
			this.txtPatternPath.Text = "";
			this.txtPatternPath.KeyDown += new System.Windows.Forms.KeyEventHandler(this.textbox_KeyDown);
			this.txtPatternPath.TextChanged += new System.EventHandler(this.textbox_TextChanged);
			this.txtPatternPath.Leave += new System.EventHandler(this.textbox_Leave);
			// 
			// bttnDoWPath
			// 
			this.bttnDoWPath.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnDoWPath.Location = new System.Drawing.Point(464, 8);
			this.bttnDoWPath.Name = "bttnDoWPath";
			this.bttnDoWPath.TabIndex = 11;
			this.bttnDoWPath.Text = "Browse";
			this.bttnDoWPath.Click += new System.EventHandler(this.bttnDoWPath_Click);
			// 
			// bttnPatternPath
			// 
			this.bttnPatternPath.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnPatternPath.Location = new System.Drawing.Point(464, 40);
			this.bttnPatternPath.Name = "bttnPatternPath";
			this.bttnPatternPath.TabIndex = 13;
			this.bttnPatternPath.Text = "Browse";
			this.bttnPatternPath.Click += new System.EventHandler(this.bttnPatternPath_Click);
			// 
			// bttnOK
			// 
			this.bttnOK.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.bttnOK.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnOK.Location = new System.Drawing.Point(384, 192);
			this.bttnOK.Name = "bttnOK";
			this.bttnOK.TabIndex = 8;
			this.bttnOK.Text = "OK";
			this.bttnOK.Click += new System.EventHandler(this.bttnOK_Click);
			// 
			// bttnCancel
			// 
			this.bttnCancel.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.bttnCancel.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnCancel.Location = new System.Drawing.Point(464, 192);
			this.bttnCancel.Name = "bttnCancel";
			this.bttnCancel.TabIndex = 9;
			this.bttnCancel.Text = "Cancel";
			this.bttnCancel.Click += new System.EventHandler(this.bttnCancel_Click);
			// 
			// bttnSave
			// 
			this.bttnSave.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.bttnSave.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnSave.Location = new System.Drawing.Point(8, 192);
			this.bttnSave.Name = "bttnSave";
			this.bttnSave.TabIndex = 10;
			this.bttnSave.Text = "Save";
			this.bttnSave.Click += new System.EventHandler(this.bttnSave_Click);
			// 
			// bttnSaveAs
			// 
			this.bttnSaveAs.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.bttnSaveAs.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnSaveAs.Location = new System.Drawing.Point(88, 192);
			this.bttnSaveAs.Name = "bttnSaveAs";
			this.bttnSaveAs.TabIndex = 15;
			this.bttnSaveAs.Text = "Save As";
			this.bttnSaveAs.Click += new System.EventHandler(this.bttnSaveAs_Click);
			// 
			// bttnLoad
			// 
			this.bttnLoad.Anchor = ((System.Windows.Forms.AnchorStyles)((System.Windows.Forms.AnchorStyles.Bottom | System.Windows.Forms.AnchorStyles.Left)));
			this.bttnLoad.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnLoad.Location = new System.Drawing.Point(168, 192);
			this.bttnLoad.Name = "bttnLoad";
			this.bttnLoad.TabIndex = 16;
			this.bttnLoad.Text = "Load";
			this.bttnLoad.Click += new System.EventHandler(this.bttnLoad_Click);
			// 
			// saveFileDialog
			// 
			this.saveFileDialog.DefaultExt = "xml";
			this.saveFileDialog.Filter = "Preferences|*.xml";
			this.saveFileDialog.Title = "Save Preferences";
			// 
			// openFileDialog
			// 
			this.openFileDialog.DefaultExt = "xml";
			this.openFileDialog.Filter = "Prefereces|*.xml";
			this.openFileDialog.Title = "Load Preferences";
			// 
			// lstMappings
			// 
			this.lstMappings.Location = new System.Drawing.Point(136, 72);
			this.lstMappings.Name = "lstMappings";
			this.lstMappings.Size = new System.Drawing.Size(320, 95);
			this.lstMappings.TabIndex = 17;
			this.lstMappings.SelectedIndexChanged += new System.EventHandler(this.lstMappings_SelectedIndexChanged);
			// 
			// label1
			// 
			this.label1.Location = new System.Drawing.Point(8, 72);
			this.label1.Name = "label1";
			this.label1.Size = new System.Drawing.Size(128, 23);
			this.label1.TabIndex = 18;
			this.label1.Text = "Race Folder Mappings:";
			this.label1.TextAlign = System.Drawing.ContentAlignment.TopRight;
			// 
			// bttnAddMapping
			// 
			this.bttnAddMapping.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnAddMapping.Location = new System.Drawing.Point(464, 72);
			this.bttnAddMapping.Name = "bttnAddMapping";
			this.bttnAddMapping.TabIndex = 19;
			this.bttnAddMapping.Text = "Add";
			this.bttnAddMapping.Click += new System.EventHandler(this.bttnAddMapping_Click);
			// 
			// bttnEditMapping
			// 
			this.bttnEditMapping.Enabled = false;
			this.bttnEditMapping.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnEditMapping.Location = new System.Drawing.Point(464, 104);
			this.bttnEditMapping.Name = "bttnEditMapping";
			this.bttnEditMapping.TabIndex = 20;
			this.bttnEditMapping.Text = "Edit";
			this.bttnEditMapping.Click += new System.EventHandler(this.bttnEditMapping_Click);
			// 
			// bttnRemoveMapping
			// 
			this.bttnRemoveMapping.Enabled = false;
			this.bttnRemoveMapping.FlatStyle = System.Windows.Forms.FlatStyle.System;
			this.bttnRemoveMapping.Location = new System.Drawing.Point(464, 136);
			this.bttnRemoveMapping.Name = "bttnRemoveMapping";
			this.bttnRemoveMapping.TabIndex = 21;
			this.bttnRemoveMapping.Text = "Remove";
			this.bttnRemoveMapping.Click += new System.EventHandler(this.bttnRemoveMapping_Click);
			// 
			// FrmConfig
			// 
			this.AutoScaleBaseSize = new System.Drawing.Size(5, 13);
			this.ClientSize = new System.Drawing.Size(546, 220);
			this.ControlBox = false;
			this.Controls.Add(this.bttnRemoveMapping);
			this.Controls.Add(this.bttnEditMapping);
			this.Controls.Add(this.bttnAddMapping);
			this.Controls.Add(this.label1);
			this.Controls.Add(this.lstMappings);
			this.Controls.Add(this.bttnLoad);
			this.Controls.Add(this.bttnSaveAs);
			this.Controls.Add(this.txtPatternPath);
			this.Controls.Add(this.txtDoWPath);
			this.Controls.Add(this.bttnSave);
			this.Controls.Add(this.bttnCancel);
			this.Controls.Add(this.bttnOK);
			this.Controls.Add(this.bttnPatternPath);
			this.Controls.Add(this.bttnDoWPath);
			this.Controls.Add(this.lblPatternPath);
			this.Controls.Add(this.lblDoWPath);
			this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
			this.MaximizeBox = false;
			this.MinimizeBox = false;
			this.Name = "FrmConfig";
			this.ShowInTaskbar = false;
			this.StartPosition = System.Windows.Forms.FormStartPosition.CenterParent;
			this.Text = "Configuration";
			this.Load += new System.EventHandler(this.FrmConfig_Load);
			this.ResumeLayout(false);

		}
		#endregion

		private void bttnCancel_Click(object sender, System.EventArgs e)
		{
			this.Close();
		}

		private void bttnOK_Click(object sender, System.EventArgs e)
		{
			if (setValues())
			{
				this.DialogResult = DialogResult.OK;				
				this.Close();
			}
		}

		private void bttnPatternPath_Click(object sender, System.EventArgs e)
		{
			fbdPath.ShowNewFolderButton = true;
			fbdPath.SelectedPath = txtPatternPath.Text;
			DialogResult dr = fbdPath.ShowDialog();
			if (dr == DialogResult.OK)
			{
				txtPatternPath.Text = fbdPath.SelectedPath.TrimEnd(IBBoard.Constants.DirectoryChar)+IBBoard.Constants.DirectoryChar;
			}
		}

		private void FrmConfig_Load(object sender, System.EventArgs e)
		{
			setFormValues();
		}

		private void setFormValues()
		{	
			txtDoWPath.Text = pref["DoWPath"].ToString();
			txtPatternPath.Text = pref["DoWTexturePath"].ToString();
			lstMappings.Items.Clear();
			mappingsList.Clear();
			
			foreach(FolderToArmyMapping mapping in FolderToArmyMapping.CreateCollectionFromString((string)pref["ArmyMappings"]))
			{
				addMappingToList(mapping);
			}

			bttnSave.Enabled = false;
		}

		private void addMappingToList(FolderToArmyMapping mapping)
		{
			mappingsList.Add(mapping);
			lstMappings.Items.Add(formatMappingName(mapping));
		}

		private string formatMappingName(FolderToArmyMapping mapping)
		{
			return mapping.FolderName + " = " + mapping.ArmyName;
		}

		private void bttnDoWPath_Click(object sender, System.EventArgs e)
		{
			fbdPath.ShowNewFolderButton = false;
			fbdPath.SelectedPath = txtDoWPath.Text;
			DialogResult dr = fbdPath.ShowDialog();

			if (dr == DialogResult.OK)
			{
				txtDoWPath.Text = fbdPath.SelectedPath.TrimEnd(IBBoard.Constants.DirectoryChar)+IBBoard.Constants.DirectoryChar;
			}
		}

		private void bttnSave_Click(object sender, System.EventArgs e)
		{
			setValues();
			pref.Save();
		}

		private void bttnSaveAs_Click(object sender, System.EventArgs e)
		{
			//saveFileDialog.InitialDirectory = pref.PreferencesFolderPath;
			//DialogResult dr = saveFileDialog.ShowDialog();

			//if (dr==DialogResult.OK)
			//{
			//	setValues();
			//	pref.SaveAs(saveFileDialog.FileName);
			//}
		}

		private void bttnLoad_Click(object sender, System.EventArgs e)
		{
			//openFileDialog.InitialDirectory = pref.PreferencesFolderPath;
			//DialogResult dr = openFileDialog.ShowDialog();

			//if (dr==DialogResult.OK)
			//{
			//	pref.ReloadPreferencesFromFilePath(openFileDialog.FileName);
			//	setFormValues();
			//}
		}

		private void textbox_TextChanged(object sender, System.EventArgs e)
		{
			if (sender is TextBox)
			{
				TextBox box = (TextBox)sender;
				string prefString = pref[box.Tag.ToString()].ToString();

				if (Directory.Exists(box.Text))
				{
					if (box.Text != prefString && box.Text+"\\" != prefString)
					{
						if (!changed.Contains(box))
						{
							changed.Add(box);
						}
					}
					else if (changed.Contains(box))
					{
						changed.Remove(box);
					}

					box.ForeColor = SystemColors.WindowText;
				}
				else
				{					
					changed.Remove(box);
					box.ForeColor = Color.Red;
				}

				setSaveEnabled();
			}
		}

		private void setSaveEnabled()
		{
			bttnSave.Enabled = (changed.Count > 0);
		}

		private void textbox_Leave(object sender, System.EventArgs e)
		{	
			if (sender is TextBox)
			{
				TextBox txt = (TextBox)sender;

				if (txt.Text!="" && !txt.Text.EndsWith("\\"))
				{
					txt.Text = txt.Text + "\\";
				}
			}		
		}

		private void textbox_KeyDown(object sender, System.Windows.Forms.KeyEventArgs e)
		{
			if (sender is TextBox)
			{
				if(e.KeyData == (Keys.Control|Keys.A) && e.Control)
				{
					((TextBox)sender).SelectAll();
				}
			}
		}

		private bool canFindDoWExeInPath(string path)
		{
			path = path + Constants.DirectoryString;
			string[] exeList = ((string)pref["ExeList"]).Split(',');

			foreach (string exe in exeList)
			{
				if (File.Exists(path+exe))
				{
					return true;
				}
			}

			return false;
		}

		private bool setValues()
		{
			if (txtDoWPath.Text!="" && (!Directory.Exists(txtDoWPath.Text) || !canFindDoWExeInPath(txtDoWPath.Text)))
			{
				MessageBox.Show(this, "Could not find a valid Dawn of War exe in the 'Game Path' specified. Please make sure you specified the correct folder.","Dawn of War Missing", MessageBoxButtons.OK, MessageBoxIcon.Error); 
				return false;
			}

			try
			{
				if (txtPatternPath.Text=="")
				{
					if (txtDoWPath.Text!="")
					{
						if (!Directory.Exists(txtDoWPath.Text+Constants.DirectoryString+ "Patterns"))
						{
							DialogResult dr = MessageBox.Show(this, "Do you want to create a default pattern folder for Dawn of War?", "Pattern Folder Missing", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

							if (dr == DialogResult.Yes)
							{
								try
								{
									Directory.CreateDirectory(txtDoWPath.Text+Constants.DirectoryString+"Patterns");
									txtPatternPath.Text = txtDoWPath.Text+Constants.DirectoryString+"Patterns";
								}
								catch
								{
									MessageBox.Show(this, "Pattern Switcher could not create the Dawn of War pattern path and so may not function correctly.","Folder creation failed", MessageBoxButtons.OK, MessageBoxIcon.Error); 
								}
							}
							else
							{
								MessageBox.Show(this, "Pattern Switcher did not create the Dawn of War pattern path and so may not function correctly.","Folder not created", MessageBoxButtons.OK, MessageBoxIcon.Error); 
							}
						}
						else
						{
							txtPatternPath.Text = txtDoWPath.Text+Constants.DirectoryString+"Patterns";
						}
					}
					else
					{
						MessageBox.Show(this, "Pattern Switcher does not have a valid pattern path and so may not function correctly.","Folder not created", MessageBoxButtons.OK, MessageBoxIcon.Error); 
					}
				}
				else if (!Directory.Exists(txtPatternPath.Text))
				{
					DialogResult dr = MessageBox.Show(this, "Do you want to create a pattern folder for Dawn of War?", "Pattern Folder Missing", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

					if (dr == DialogResult.Yes)
					{
						try
						{
							Directory.CreateDirectory(txtPatternPath.Text);
						}
						catch
						{
							MessageBox.Show(this, "Pattern Switcher could not create the Dawn of War pattern path and so may not function correctly.","Folder creation failed", MessageBoxButtons.OK, MessageBoxIcon.Error); 
						}
					}
					else
					{
						MessageBox.Show(this, "Pattern Switcher did not create the Dawn of War pattern path and so may not function correctly.","Folder not created", MessageBoxButtons.OK, MessageBoxIcon.Error); 
					}
				}

				pref["DoWPath"] = txtDoWPath.Text;
				pref["DoWTexturePath"] = txtPatternPath.Text;
				pref["ArmyMappings"] = getNewMappingString();
				changed.Clear();
				setSaveEnabled();

				return true;
			}
			catch (Exception)
			{
				MessageBox.Show(this, "An error occured while saving the preferences. Any changes will not be saved when the program is restarted.", "Preference save failed", MessageBoxButtons.OK, MessageBoxIcon.Error);
				return false;
			}
		}

		private void lstMappings_SelectedIndexChanged(object sender, System.EventArgs e)
		{
			bttnRemoveMapping.Enabled = lstMappings.SelectedIndex > -1;
			bttnEditMapping.Enabled = lstMappings.SelectedIndex > -1;
		}

		private string getNewMappingString()
		{
			return FolderToArmyMapping.CreateMappingString(getNewMappingListArray());
		}

		private FolderToArmyMapping[] getNewMappingListArray()
		{
			return (FolderToArmyMapping[])mappingsList.ToArray(typeof(FolderToArmyMapping));
		}

		private string getMappingString()
		{
			return (string)pref["ArmyMappings"];
		}

		private void bttnAddMapping_Click(object sender, System.EventArgs e)
		{
			FrmAddMapping addMapping = new FrmAddMapping(getNewMappingListArray());
			DialogResult dr = addMapping.ShowDialog();

			if (dr==DialogResult.OK)
			{
				addMappingToList(addMapping.FolderMapping);
				setMappingListChanged();
			}
		}

		private void bttnEditMapping_Click(object sender, System.EventArgs e)
		{
			int selected = lstMappings.SelectedIndex;
			FrmEditMapping editMapping = new FrmEditMapping((FolderToArmyMapping)mappingsList[selected], getNewMappingListArray());
			DialogResult dr = editMapping.ShowDialog();

			if (dr==DialogResult.OK)
			{
				lstMappings.Items.RemoveAt(selected);
				lstMappings.Items.Insert(selected, formatMappingName(editMapping.FolderMapping));
				setMappingListChanged();
			}
		}

		private void bttnRemoveMapping_Click(object sender, System.EventArgs e)
		{
			mappingsList.RemoveAt(lstMappings.SelectedIndex);
			lstMappings.Items.RemoveAt(lstMappings.SelectedIndex);
			setMappingListChanged();
		}

		private void setMappingListChanged()
		{
			if (!changed.Contains(lstMappings))
			{
				if (!getMappingString().Equals(getNewMappingString()))
				{
					changed.Add(lstMappings);
				}
			}
			else
			{
				if (getMappingString().Equals(getNewMappingString()))
				{
					changed.Remove(lstMappings);
				}
			}

			setSaveEnabled();
		}
	}
}