using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using CsvHelper;
using CsvHelper.Configuration;

namespace FabStarterDeckGen
{
    public class ReferenceCardRow
    {
        public string Identifiers;
        public string Set_Identifiers;
        public string Name;
        public string Pitch;
        public string Rarity;
    }
    
    public class ReferenceCardRowMap : ClassMap<ReferenceCardRow>
    {
        public ReferenceCardRowMap()
        {
            Map(m => m.Identifiers).Name("Identifiers");
            Map(m => m.Set_Identifiers).Name("Set Identifiers");
            Map(m => m.Name).Name("Name");
            Map(m => m.Pitch).Name("Pitch");
            Map(m => m.Rarity).Name("Rarity");
        }
    }
    
    public class CardInstance
    {
        private Regex clean_card_name_regex = new Regex(@"[^a-zA-Z0-9_ ]+");
        public CardInstance(ReferenceCardRow pBase)
        {
            Name = pBase.Name;
            Pitch = pBase.Pitch;
            Rarity = pBase.Rarity;
            foreach (var part in pBase.Identifiers.Split(','))
            {
                if (part == "null")
                    continue;
                Identifiers.Add(part);
            }
            
            foreach (var part in pBase.Set_Identifiers.Split(','))
            {
                if (part == "null")
                    continue;
                Set_Identifiers.Add(part);
            }
            
            CleanName = clean_card_name_regex.Replace(Name, "");
            
        }
        public List<String> Identifiers = new List<String>();
        public List<String> Set_Identifiers = new List<String>();
        public string Name;
        public string CleanName;
        public string Pitch;
        public string Rarity;

        public bool IsPitchless => Pitch == "";
        public bool IsRed => Pitch == "1";
        public bool IsYellow => Pitch == "2";
        public bool IsBlue => Pitch == "3";
        
        public string CleanNameRed => CleanName + " - R";
        public string CleanNameYellow => CleanName + " - Y";
        public string CleanNameBlue => CleanName + " - B";
    }
    
    public class ReferenceSetRow
    {
        public string Identifier;
        public string Name;
        public string Initial_Release_Dates;
    }

    public class ReferenceSetRowMap : ClassMap<ReferenceSetRow>
    {
        public ReferenceSetRowMap()
        {
            Map(m => m.Identifier).Name("Identifier");
            Map(m => m.Initial_Release_Dates).Name("Initial Release Dates");
            Map(m => m.Name).Name("Name");
        }
    }
    
    public class SetInstance
    {
        public SetInstance(ReferenceSetRow pBase)
        {
            Identifier = pBase.Identifier;
            Name = pBase.Name;
            var release_dates = new List<DateTime>();
            foreach (var part in pBase.Initial_Release_Dates.Split(','))
            {
                if (part == "null")
                    continue;
                release_dates.Add(DateTime.Parse(part));
            }
            
            if (release_dates.Count > 0)
            {
                release_dates.Sort();
                EarliestReleaseDate = release_dates[0];    
            }
            else
            {
                EarliestReleaseDate = DateTime.UnixEpoch;
            }
        }
        
        public string Identifier;
        public string Name;
        public DateTime EarliestReleaseDate;
        public bool IsPromoSet;
        public bool IsDeckSet;
        public bool IsClassicBattleSet;
    }
    
    public class ReferenceCardLoader
    {
        private List<ReferenceSetRow> ReferenceSets;
        private List<ReferenceCardRow> ReferenceCards;

        public List<SetInstance> Sets = new List<SetInstance>();
        public List<CardInstance> Cards = new List<CardInstance>();
        
        public void LoadSetCSV(string pFilePath)
        {
            var config = new CsvConfiguration(CultureInfo.CurrentCulture) { Delimiter = "\t", Encoding = Encoding.UTF8 };
            using (var reader = new StreamReader(pFilePath))
            using (var csv = new CsvReader(reader, config))
            {
                csv.Context.RegisterClassMap<ReferenceSetRowMap>();
                ReferenceSets = csv.GetRecords<ReferenceSetRow>().ToList();
            }

            foreach (var set in ReferenceSets)
            {
                Sets.Add(new SetInstance(set));
            }
        }
        
        public void LoadCardCSV(string pFilePath)
        {
            var config = new CsvConfiguration(CultureInfo.CurrentCulture) { Delimiter = "\t", Encoding = Encoding.UTF8 };
            using (var reader = new StreamReader(pFilePath))
            using (var csv = new CsvReader(reader, config))
            {
                csv.Context.RegisterClassMap<ReferenceCardRowMap>();
                ReferenceCards = csv.GetRecords<ReferenceCardRow>().ToList();
            }
            
            foreach (var card in ReferenceCards)
            {
                Cards.Add(new CardInstance(card));
            }
        }

        public List<CardInstance> GetCardsWithName(string pName)
        {
            List<CardInstance> card_list = new List<CardInstance>();
            foreach (var card in Cards)
            {
                if(card.Name != pName)
                    continue;
                card_list.Add(card);
            }
            return card_list;
        }
    }
}