/*
 * Copyright (c) 2010, Tess Snider

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
*/

using System;
using System.IO;
using System.Collections.Generic;

namespace DesertPaintLab
{
	public class PlayerProfile
	{
		string name;
		string directory;
		string reactFile;
		
		SortedDictionary<string, SortedDictionary<string, Reaction>> reactions =
			new SortedDictionary<string, SortedDictionary<string, Reaction>>();
		
		public PlayerProfile(string name, string directory)
		{
			this.name = name;
			this.directory = directory;
			this.reactFile = System.IO.Path.Combine(directory, "dp_reactions.txt");
		}
		
		public void Initialize()
		{
			// Create new directory.
			System.IO.Directory.CreateDirectory(directory);
				
			// Copy template files into new directory.
			string templatePath = System.IO.Path.Combine(
				System.IO.Path.GetDirectoryName(System.Reflection.Assembly.GetExecutingAssembly().Location),
		    	"template");
			
			DirectoryInfo di = new DirectoryInfo(templatePath);
			FileInfo[] templateFiles = di.GetFiles();

			foreach (FileInfo file in templateFiles)
			{
				System.IO.File.Copy(file.FullName,
					System.IO.Path.Combine(directory, file.Name), true);					
			}
		}
		
		public void ConvertFromPP(string ppFile, string dpFile)
		{
			string line;
			using (StreamReader reader = new StreamReader(ppFile))
			{
				using (StreamWriter writer = new StreamWriter(dpFile))
				{
					while ((line = reader.ReadLine()) != null) 
                	{
						string[] tokens = line.Split(null);
						if ((tokens.Length > 0) && (tokens[0] != "//"))
						{							
							// Write reaction.
							writer.Write(tokens[0] + " " + tokens[2] + " ");
							switch (tokens[4])
							{
							case "W":
								writer.WriteLine(tokens[6] + " " + tokens[6] + " " + tokens[6]);
								break;
							case "R":
								writer.WriteLine(tokens[6] + " 0 0");
								break;
							case "G":
								writer.WriteLine("0 " + tokens[6] + " 0");
								break;
							case "B":
								writer.WriteLine("0 0 " + tokens[6]);
								break;	
							}
							
							// Write reverse reaction.
							writer.Write(tokens[2] + " " + tokens[0] + " ");
							switch (tokens[4])
							{
							case "W":
								writer.WriteLine(tokens[8] + " " + tokens[8] + " " + tokens[8]);
								break;
							case "R":
								writer.WriteLine(tokens[8] + " 0 0");
								break;
							case "G":
								writer.WriteLine("0 " + tokens[8] + " 0");
								break;
							case "B":
								writer.WriteLine("0 0 " + tokens[8]);
								break;	
							}							
						}
					}
				}
			}
		}
		
		public bool SaveToPP(string ppFile)
		{
			Reaction reaction1, reaction2;
			SortedDictionary<string, Reaction> secondReagentDict;
			using (StreamWriter writer = new StreamWriter(ppFile))
			{
				foreach (KeyValuePair<string, SortedDictionary<string, Reaction>> firstPair in reactions)
				{
					foreach (KeyValuePair<string, Reaction> secondPair in firstPair.Value)
					{
						reaction1 = secondPair.Value;
						if ((reaction1 != null) && !reaction1.Exported)
						{
							reaction2 = null;
							reactions.TryGetValue(secondPair.Key, out secondReagentDict);
							if (secondReagentDict != null)
							{
								secondReagentDict.TryGetValue(firstPair.Key, out reaction2);
							}
							if (reaction2 != null)
							{
								writer.Write(firstPair.Key + " | " + secondPair.Key + " | ");
								if ((Math.Abs(reaction1.Red) > Math.Abs(reaction1.Green)) ||
								    (Math.Abs(reaction2.Red) > Math.Abs(reaction2.Green)))
								{
									writer.WriteLine("R | " + reaction1.Red + " | " + reaction2.Red);	
								}
								else if ((Math.Abs(reaction1.Green) > Math.Abs(reaction1.Red)) ||
									(Math.Abs(reaction2.Green) > Math.Abs(reaction2.Red)))
								{
									writer.WriteLine("G | " + reaction1.Green + " | " + reaction2.Green);	
								}
								else if ((Math.Abs(reaction1.Blue) > Math.Abs(reaction1.Red)) ||
									(Math.Abs(reaction2.Blue) > Math.Abs(reaction2.Red)))
								{
									writer.WriteLine("B | " + reaction1.Blue + " | " + reaction2.Blue);
								}
								else
								{
									writer.WriteLine("W | " + reaction1.Red + " | " + reaction2.Red);	
								}
								reaction1.Exported = true;
								reaction2.Exported = true;
							}
						}
					}
				}
			}
			
			// Clear Exported flags.
			foreach (KeyValuePair<string, SortedDictionary<string, Reaction>> firstPair in reactions)
			{
				foreach (KeyValuePair<string, Reaction> secondPair in firstPair.Value)
				{
					if (secondPair.Value != null)
					{
						secondPair.Value.Exported = false;
					}
				}
			}
			return true;
		}
		
		public void Import(string importDir)
		{
			// Convert old file.
			ConvertFromPP(
			    System.IO.Path.Combine(importDir, "reactions.txt"),
				reactFile);
			try
			{
				// If there is an ingredients file, move it in.
				System.IO.File.Copy(
				    System.IO.Path.Combine(importDir, "ingredients.txt"),
				    System.IO.Path.Combine(directory, "ingredients.txt"),
				    true);
			}
			catch (Exception)
			{
				// If there is no ingredients file, we don't really care.	
			}
		}
		
		public void Export(string file)
		{
			SaveToPP(file);
		}
		
		public void Load()
		{
			string line;
			SortedDictionary<string, Reaction> dict;
			reactions.Clear();
			ReagentManager.Load(System.IO.Path.Combine(directory, "ingredients.txt"));
			ReagentManager.InitializeReactions(ref reactions);
			using (StreamReader reader = new StreamReader(reactFile))
			{
				while ((line = reader.ReadLine()) != null) 
               	{
					string[] tokens = line.Split(null);
					reactions.TryGetValue(tokens[0], out dict);
					dict[tokens[1]] = new Reaction(int.Parse(tokens[2]), int.Parse(tokens[3]), int.Parse(tokens[4]));
				}
			}
		}
		
		public void Save()
		{
			Reaction reaction;
			using (StreamWriter writer = new StreamWriter(reactFile, false))
			{
				foreach (KeyValuePair<string, SortedDictionary<string, Reaction>> firstPair in reactions)
				{
					foreach (KeyValuePair<string, Reaction> secondPair in firstPair.Value)
					{
						reaction = secondPair.Value;
						
						if (reaction != null)
						{
							writer.WriteLine(firstPair.Key + " " + secondPair.Key + " " +
								reaction.Red + " " + reaction.Green + " " + reaction.Blue);
						}
					}
				}
			}
		}
		
		public Reaction FindReaction(Reagent reagent1, Reagent reagent2)
		{	
			SortedDictionary<string, Reaction> secondReagentDict = null;
			Reaction reaction = null;
			reactions.TryGetValue(reagent1.Name, out secondReagentDict);
			if (secondReagentDict != null)
			{
				secondReagentDict.TryGetValue(reagent2.Name, out reaction);
			}
			return reaction;
		}
		
		public void SetReaction(Reagent reagent1, Reagent reagent2, Reaction reaction)
		{
			SortedDictionary<string, Reaction> secondReagentDict = null;
			reactions.TryGetValue(reagent1.Name, out secondReagentDict);
			if (secondReagentDict != null)
			{
				secondReagentDict[reagent2.Name] = reaction;
			}
		}
	}
}