using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;

namespace TS3PRGenerator
{
    class Program
    {
        static void Main(string[] _)
        {
            Assembly[] assemblies = { 
                                      Assembly.Load("Sims3StoreObjects, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null"),
                                      Assembly.Load("ScriptCore, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null"),
                                      Assembly.Load("SimIFace, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null"),
                                      Assembly.Load("Sims3GameplaySystems, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null"),
                                      Assembly.Load("Sims3GameplayObjects, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null"),
                                      Assembly.Load("Sims3Metadata, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null"),
                                      Assembly.Load("UI, Version = 1.0.0.0, Culture = neutral, PublicKeyToken = null")
                                    };

            foreach (Assembly assembly in assemblies)
            {
                if (!Directory.Exists($"out/{assembly.GetName().Name}"))
                {
                    Directory.CreateDirectory($"out/{assembly.GetName().Name}");
                }

                var types = from type in assembly.GetTypes()
                            where !type.IsNested && !type.Name.Contains("<")
                            orderby type.Name
                            group type by type.FullName.Substring(0, type.FullName.LastIndexOf('.')) into g
                            orderby g.Key
                            select g;

                StringBuilder namespaceList = new();

                foreach (var group in types)
                {
                    Console.WriteLine($"\n{group.Key}\n");
                    namespaceList.AppendLine($"*[[/{group.Key}/]] -");

                    Dictionary<string, StringBuilder> typeLists = new() {
                        { "Classes", new() },
                        { "Structs", new() },
                        { "Interfaces", new() },
                        { "Enums", new() },
                        { "Delegates", new() }
                    };

                    foreach (Type type in group)
                    {
                        Type[] genericTypes = type.GetGenericArguments();
                        string typeName = genericTypes.Length > 0 ? $"{type.Name.Substring(0, type.Name.LastIndexOf('`'))}" : type.Name; //<{string.Join<Type>(", ", genericTypes)}>" : type.Name;
                        Console.WriteLine(typeName);
                        switch (type)
                        {
                            case { IsClass: true } when typeof(Delegate).IsAssignableFrom(type):
                                typeLists["Delegates"].AppendLine($"*[[/{typeName}/]] -");
                                break;
                            case { IsClass: true }:
                                typeLists["Classes"].AppendLine($"*[[/{typeName}/]] -");
                                break;
                            case { IsEnum: true }:
                                typeLists["Enums"].AppendLine($"*[[/{typeName}/]] -");
                                break;
                            case { IsValueType: true }:
                                typeLists["Structs"].AppendLine($"*[[/{typeName}/]] -");
                                break;
                            case { IsInterface: true }:
                                typeLists["Interfaces"].AppendLine($"*[[/{typeName}/]] -");
                                break;
                        }
                    }
                    using (StreamWriter writer = File.CreateText($"out/{assembly.GetName().Name}/{group.Key}.txt"))
                    {
                        writer.WriteLine("This Page is currently simply a stub, if you have information to contribute on any of these classes, please create the page and add info about it to this page." + writer.NewLine);
                        writer.WriteLine("'''Please ensure you give separate headings for classes, enums, interfaces and other object types'''" + writer.NewLine);
                        writer.WriteLine("__TOC__" + writer.NewLine);
                        
                        foreach (string key in typeLists.Keys)
                        {
                            if (typeLists[key].Length > 0)
                            {
                                writer.WriteLine($"=={key}=={writer.NewLine}");
                                writer.WriteLine(typeLists[key].ToString());
                            }
                        }
                    }
                }

                using (StreamWriter writer = File.CreateText($"out/{assembly.GetName().Name}.txt"))
                {
                    writer.WriteLine("==Namespaces==" + writer.NewLine);
                    writer.WriteLine(namespaceList.ToString());
                }
            }
        }
    }
}