using System;
using System.Collections.Generic;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;

namespace ETHZurich.OrigoVSIntegration.Workitems
{	
	public class Workitem
	{
		public int workitemId;
		public int type;
		public string typeName;
		public DateTime creationTime;
		public int projectId;
		public string project;
		public string user;
		public bool isDetailed;
		public List<LinkLabel.Link> links;
		
		public Workitem()
		{
			typeName = "Unknown";
			links = new List<LinkLabel.Link>();
		}

		public override string ToString()
		{
			return "Unknown Workitem Type: " + type.ToString();
		}

		public virtual string GetLabelText()
		{
			string str = "Type: " + typeName + " (ID: " + type.ToString() + ")\n";
			str += "Workitem ID: " + workitemId.ToString() + "\n";
			str += "Creation time: " + creationTime.ToString() + "\n";
			str += "Project: " + project + " (ID: " + projectId.ToString() + ")\n";
			str += "User: " + user;

			return str;
		}

		public virtual string GetTextfieldText()
		{
			return "";
		}

		protected string ShortenString(string a_string)
		{
			if (a_string.Length > Constants.ShortStringMaxLength)
			{
				a_string = a_string.Remove(Constants.ShortStringMaxLength - 3);
				a_string += "...";
			}
			return a_string;
		}
	}

	//***********************************************************************

	public class IssueWorkitem : Workitem
	{
		public bool isNew;
		public int projectIssueId;
		public string title;
		public string description;
		public string url;

		public IssueWorkitem()
		{
			type = Constants.WorkitemTypeIssue;
			typeName = "Issue";
			isNew = false;
		}

		public override string ToString()
		{
			string str = "";
			if (isNew)
			{
				str += "New issue: ";
			}
			else
			{
				str += "Issue reply: ";
			}
			str += "#" + projectIssueId.ToString();
			str += title;
			return ShortenString(str);
		}

		public override string GetLabelText()
		{
			Debug.Assert(links.Count >= 1);
			string str = base.GetLabelText();
			str += "\n\nTitle: " + title + "\n";
			str += "Issue number: " + projectIssueId.ToString() + "\n";
			str += "URL: ";
			links[0].Start = str.Length;
			links[0].Length = links[0].LinkData.ToString().Length;
			str += links[0].LinkData.ToString() + "\n";
			str += "Description:";
			return str;
		}

		public override string GetTextfieldText()
		{
			return description;
		}
	}

	//***********************************************************************

	public class ReleaseWorkitem : Workitem
	{
		public string name;
		public string version;
		public string description;
		public Dictionary<string, List<string>> files;
		public List<string> platforms;
		//public List<KeyValuePair<string, List<string>>> files;
		
		public ReleaseWorkitem()
		{
			type = Constants.WorkitemTypeRelease;
			typeName = "Release";
		}

		public override string ToString()
		{
			string str = project;
			str += " " + name;
			str += " " + version;
			str += ": " + description;
			str = str.Replace('\n', ' ');
			str = str.Replace("\r", "");

			return ShortenString(str);
		}

		public override string GetLabelText()
		{
			string str = base.GetLabelText();
			str += "\n\nRelease Name: " + name + "\n";
			str += "Program Version: " + version + "\n";
			str += "\nDescription and Files:";
			return str;
		}

		public override string GetTextfieldText()
		{
			string str = description;

			str += "\n\n\nFiles:\n";
			List<string> fileList;

			for (int i = 0; i < platforms.Count; i++)
			{
				str += "\n" + platforms[i] + ":\n";
				fileList = files[platforms[i]];

				for (int j = 0; j < fileList.Count; j++)
				{
					str += fileList[j] + "\n";
				}
			}

			return str;
		}
	}

	//***********************************************************************

	public class CommitWorkitem : Workitem
	{
		public int revision;
		public string log;
		public string diff;
		
		public CommitWorkitem()
		{
			type = Constants.WorkitemTypeCommit;
			typeName = "Commit";
		}

		public override string ToString()
		{
			string str = "r: ";
			str += revision.ToString() + " ";
			str += "log: " + log;
			str = str.Replace('\n', ';');
			return ShortenString(str);
		}

		public override string GetLabelText()
		{
			string str = base.GetLabelText();
			str += "\n\nRevision: " + revision.ToString() + "\n";
			str += "Log:\n" + log + "\n";
			str += "\nDiff:";
			return str;
		}

		public override string GetTextfieldText()
		{
			return diff;
		}
	}

	//***********************************************************************

	public class WikiWorkitem : Workitem
	{
		public string title;
		public int revision;
		public int oldRevision;
		public string diff;
		public bool isNew;
		
		public WikiWorkitem()
		{
			type = Constants.WorkitemTypeWiki;
			typeName = "Wiki";
			isNew = false;
		}

		public override string ToString()
		{
			string str = "";
			if (isNew)
			{
				str += "New wiki page: ";
			}
			else
			{
				str += "Changes on wiki page ";
			}

			str += title;
			return ShortenString(str);
		}

		public override string GetLabelText()
		{
			Debug.Assert(links.Count >= 1);
			string str = base.GetLabelText();
			str += "\n\nTitle: " + title + "\n";
			str += "URL: ";
			links[0].Start = str.Length;
			links[0].Length = links[0].LinkData.ToString().Length;
			str += links[0].LinkData.ToString() + "\n";

			//check if it's a wiki change and add the revision if so
			if (!isNew)
			{
				Debug.Assert(links.Count == 2);
				str += "Revisions: " + oldRevision.ToString() + " -> " + revision.ToString() + "\n";
				str += "\nDiff: (";
				links[1].Start = str.Length;
				links[1].Length = links[1].LinkData.ToString().Length;
				str += links[1].LinkData.ToString() + ")";
			}
			else
			{
				str += "\nContent:";
			}
			return str;
		}

		public override string GetTextfieldText()
		{
			return diff;
		}
	}

	//***********************************************************************

	public class BlogWorkitem : Workitem
	{
		public string title;
		public int revision;
		public int oldRevision;
		public string diff;
		public bool isNew;
		
		public BlogWorkitem()
		{
			type = Constants.WorkitemTypeBlog;
			typeName = "Blog";
			isNew = false;
		}

		public override string ToString()
		{
			string str = "";
			if (isNew)
			{
				str += "New blog entry: ";
			}
			else
			{
				str += "Changes on blog entry ";
			}

			str += title;
			return ShortenString(str);
		}

		public override string GetLabelText()
		{
			Debug.Assert(links.Count >= 1);
			string str = base.GetLabelText();
			str += "\n\nTitle: " + title + "\n";
			str += "URL: ";
			links[0].Start = str.Length;
			links[0].Length = links[0].LinkData.ToString().Length;
			str += links[0].LinkData.ToString() + "\n";

			//check if it's a wiki change and add the revision if so
			if (!isNew)
			{
				Debug.Assert(links.Count == 2);
				str += "Revisions: " + oldRevision.ToString() + " -> " + revision.ToString() + "\n";
				str += "\nDiff: (";
				links[1].Start = str.Length;
				links[1].Length = links[1].LinkData.ToString().Length;
				str += links[1].LinkData.ToString() + ")";
			}
			else
			{
				str += "\nContent:";
			}
			return str;
		}

		public override string GetTextfieldText()
		{
			return diff;
		}
	}

	//***********************************************************************

	public class CommentWorkitem : Workitem
	{
		public string title;
		public string url;
		public string text;
		
		public CommentWorkitem()
		{
			type = Constants.WorkitemTypeComment;
			typeName = "Comment";
		}

		public override string ToString()
		{
			string str = "New comment: " + title;
			return ShortenString(str);
		}

		public override string GetLabelText()
		{
			Debug.Assert(links.Count >= 1);
			string str = base.GetLabelText();
			str += "\n\nTitle: " + title + "\n";
			str += "URL: ";
			links[0].Start = str.Length;
			links[0].Length = links[0].LinkData.ToString().Length;
			str += links[0].LinkData.ToString() + "\n";
			str += "Text:";
			return str;
		}

		public override string GetTextfieldText()
		{
			return text;
		}
	}

	//***********************************************************************
}