namespace Arsil.CustomBookLoader
{
    public static class Instantiator
    {
        [Tunable]
        internal static bool kInstantiator = false;
        internal static bool alreadyParsed = false;
        static Instantiator()
        {
            World.OnWorldLoadFinishedEventHandler += new EventHandler(OnWorldLoadFinished);
        }
        public static void OnWorldLoadFinished(object sender, EventArgs e)
        {            
            if (!alreadyParsed)
            {         
                ParseBooks();
            }
            alreadyParsed = true;            
        }
        public static void ParseBooks()
        {
            string xmlRes = "ArsilCustomBooks_XML";
            // I don't know how to format/show a ulong or string into hex format 
            //string hashCode = ResourceUtils.HashString64(xmlRes).ToString("X16");
            XmlDbData xmlDbData = XmlDbData.ReadData(xmlRes);
            if (xmlDbData == null || xmlDbData.Tables == null)
            { 
                //SimpleMessageDialog.Show("[DEBUG] CustomBookLoader", "Resource " + xmlRes + " (IID "+hashCode+") of type _XML not found or with no data defined!" );
                SimpleMessageDialog.Show("[DEBUG] CustomBookLoader", "Resource " + xmlRes + " of type _XML not found or with no data defined!");
                return;
            }
            //SimpleMessageDialog.Show("ArsilCustomBookLoader", "PRE-ADD Book Count : " + BookData.BookGeneralDataList.Count);
            try
            {
                // when a new book is created, to the rowIndex field is assigned an index or counter (based on how many books have been created so far)
                // such field seems unused (at least in the visible code), so it should not be a problem,
                // but at first I created a copy of the LoadBookData method to deal with that (it's inside a nested spoiler's tag in the post)
                //LoadExtraBookData(xmlDbData, "BookGeneral", BookData.BookType.General);
                BookData.LoadBookData(xmlDbData, "BookGeneral", BookData.BookType.General);
                BookData.LoadBookData(xmlDbData, "BookSkill", BookData.BookType.Skill);
                BookData.LoadBookData(xmlDbData, "BookRecipe", BookData.BookType.Recipe);
                BookData.LoadBookData(xmlDbData, "MedicalJournal", BookData.BookType.MedicalJournal);
                BookData.LoadBookData(xmlDbData, "SheetMusic", BookData.BookType.SheetMusic);
                BookData.LoadBookData(xmlDbData, "BookToddler", BookData.BookType.Toddler);
                BookData.LoadWrittenBookTitles(xmlDbData);
                // there's no way to use custom material states (MTST), so this can be commented (must be removed from the xml too)
                //BookData.LoadWrittenBookMaterials(xmlDbData);
                BookData.LoadBookData(xmlDbData, "BookFish", BookData.BookType.FishBook);
                BookData.LoadBookData(xmlDbData, "BookAlchemyRecipe", BookData.BookType.AlchemyRecipe);
                BookData.LoadBookData(xmlDbData, "BookComics", BookData.BookType.Comic);
                BookData.LoadBookData(xmlDbData, "BookComics", BookData.BookType.VintageComic);
                BookData.LoadBookData(xmlDbData, "AcademicTextBook", BookData.BookType.AcademicTextBook);
            }
            catch (Exception e)
            {
                // if the stackTrace is too long, the "OK" button might be unreachable and the game becomes unplayable
                SimpleMessageDialog.Show("CustomBookLoader", e.StackTrace);
                //SimpleMessageDialog.Show("[DEBUG] CustomBookLoader", "Error parsing custom book data from "+xmlRes + " (IID "+hashCode);
                SimpleMessageDialog.Show("[DEBUG] CustomBookLoader", "Error parsing custom book data from " + xmlRes);
            }
            // the bookstore item dictionary is also used by BookStoreRegister, bookshelves pick books directly from BookData
            Bookstore.mItemDictionary.Clear();
            Bookstore.LoadData();
            // the following was used for debugging, it's no longed needed
            //SimpleMessageDialog.Show("ArsilCustomBookLoader", "POST-ADD Book Count : " + BookData.BookGeneralDataList.Count);
        }


        /*public static void LoadExtraBookData(XmlDbData spreadsheet, string bookSheet, BookData.BookType bookType)
        {
            if (!spreadsheet.Tables.ContainsKey(bookSheet))
            {
                return;
            }
            XmlDbTable xmlDbTable = spreadsheet.Tables[bookSheet];
            int num = 0;
            num = BookData.BookGeneralDataList.Count;
            //num += 1000;

            List<StoreItem> listG = null;
            List<StoreItem> listA = null;            
            //list = new List<StoreItem>();
            listG = Bookstore.mItemDictionary["General"];
            listA = Bookstore.mItemDictionary["All"];            
            //BookGeneralData current = null;

            foreach (XmlDbRow currentRow in xmlDbTable.Rows)
            {
                BookData.AddNewBook(currentRow, bookType, num);
                num++;
                //foreach(BookGeneralData bgd in BookData.BookGeneralDataList.Values)
                //{                    
                //    current = bgd;
                //    break;
                //}
                //ThumbnailKey thumb = new ThumbnailKey(new ResourceKey((ulong)ResourceUtils.XorFoldHashString32("book_standard"), 23466547u, 1u), ThumbnailSize.Medium, ResourceUtils.HashString32(current.GeometryState), ResourceUtils.HashString32(current.MaterialState));
                //StoreItem item = new BookGeneralStoreItem(current.Title, (float)current.Value, current, thumb, current.GenerateUIStoreItemID(), new CreateObjectCallback(Bookstore.CreateBookGeneralCallback), new ProcessObjectCallback(Bookstore.ProcessBookGeneralCallback), current.AllowedWorlds, current.AllowedWorldTypes, current.Author, current.Title, current.Length, current.GenreLocalizedString);
                //listG.Add(item);
                //listA.Add(item);                
            }            
            Bookstore.mItemDictionary.Clear();
            Bookstore.LoadData();
        }*/
    }
}