using LoadStockDbFromTrans.models;
using LoadStockDbFromTrans.StocksProviders;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace LoadStockDbFromTrans.Runners;


public class FileToJson : IFileToJson
{
    //private const string BYTE_INLAGG_VP = "BYTE INLÄGG VP";
    //private const string BYTE_UTTAG_VP = "BYTE UTTAG VP";
    //private const string DECIMALER_LIKVID = "DECIMALER LIKVID";
    //private const string DECIMALER_UTTAG_VP = "DECIMALER UTTAG VP";
    //private const string INLAGG_FISSION = "INLÄGG FISSION";
    //private const string INLOSEN_LIKVID = "INLÖSEN LIKVID";
    //private const string INLOSEN_UTTAG_VP = "INLÖSEN UTTAG VP";
    //private const string INSATTNING = "INSÄTTNING";
    //private const string KOPT = "KÖPT";
    //private const string SPLIT_INLÄGG_VP = "SPLIT INLÄGG VP";
    //private const string SPLIT_UTTAG_VP = "SPLIT UTTAG VP";
    //private const string SALT = "SÅLT";
    //private const string UTDELNING = "UTDELNING";
    //private const string UTL_KUPSKATT = "UTL KUPSKATT";
    //private const string UTTAG = "UTTAG";

    private readonly ILogger<FileToJson> _log;
    private readonly IConfiguration _config;
    private readonly IDapperStocksProvider _dapperStocksProvider;

    public Dictionary<string, string> NameConverter { get; set; } = new Dictionary<string, string>();
    public FileToJson(ILogger<FileToJson> log, IConfiguration config, IDapperStocksProvider dapperStocksProvider)
    {
        _log = log;
        _config = config;
        _dapperStocksProvider = dapperStocksProvider;
    }
    public async Task<List<FileModel>> FetchJsonData()
    {
        _log.LogInformation("Starting with reading from Json!");

        Console.WriteLine("FileName ?");
        var fileName = Console.ReadLine();
        if (fileName == "xx") fileName = _config.GetValue<string>("StdFileName");   //"StockData2022-08-29.txt";
        _log.LogInformation("fileName = {fname}", fileName);
        List<FileModel> recList = new List<FileModel>();
        recList = JsonConvert.DeserializeObject<List<FileModel>>(File.ReadAllText($@"C:\tommycsharp\Source\Consoles\ReadSBAktieTransApp\ReadSBAktieTrans\bin\Debug\net6.0\DataFiles\{fileName}"));

        _log.LogInformation("InLäsning klar!");

        Console.WriteLine("Create Name Converter ?");
        var answ = Console.ReadLine();

        if (answ == "Y" || answ == "J")
        {
            await PrepareNameConverter(recList);
        }
        await UpDateNameConverter();


        Console.WriteLine("Show data ?");
        answ = Console.ReadLine();

        if (answ == "ok")
        {
            foreach (var rec in recList)
            {
                Console.WriteLine($"Bokföringsdag {rec.Bokföringsdag} Affärsdag {rec.Affärsdag} Likviddag {rec.Likviddag}");
            }
        }

        var skrivna = 0;
        foreach (var rec in recList)
        {
            if (rec.Transaktionstyp == ProcName.KOPT)
            {
                try
                {
                    var stockmember = new StockMember();
                    stockmember.StockId = NameConverter[rec.Beskrivning.Trim()];
                    stockmember.StockExtId = NameConverter[rec.Beskrivning.Trim()];
                    stockmember.BuyValue = rec.Kurs;
                    stockmember.BuyDate = rec.Affärsdag;
                    stockmember.ActValue = rec.Kurs;
                    stockmember.ActDate = rec.Affärsdag;
                    stockmember.ActAmount = rec.Antal;
                    stockmember.SoldValue = 0;
                    stockmember.SoldDate = null;
                    stockmember.Comment = "from trans";
                    stockmember.PostAmount = rec.Antal;
                    stockmember.SoldStockPrice = 0;

                    _dapperStocksProvider.AddStock(stockmember);
                    skrivna++;

                }
                catch (Exception e)
                {
                    _log.LogError(e.Message, e.StackTrace);
                }
            }
        }

        

        _log.LogInformation($"Köpta klart {skrivna} st skrivna" );
        skrivna = 0;
        foreach (var rec in recList)
        {
            if (rec.Transaktionstyp == ProcName.SPLIT_INLÄGG_VP)
            {
                UpDateWithSplitPlus(rec);

                skrivna++;
            }

            if (rec.Transaktionstyp == ProcName.SPLIT_UTTAG_VP)
            {
                UpDateWithSplitMinus(rec);

                skrivna++;
            }

            if (rec.Transaktionstyp == ProcName.SALT)
            {
                UpDateWithSold(rec);

                skrivna++;
            }
        }
        _log.LogInformation($"Sålda klart {skrivna} st skrivna");



        return recList;


    }



    private async Task PrepareNameConverter(List<FileModel> recList)
    {
        var tempListNew = new HashSet<string>();
        await _dapperStocksProvider.CleanStockNames();

        foreach (var rec in recList)
        {
            if (rec.Transaktionstyp == "KÖPT")
            {
                try
                {
                    tempListNew.Add(rec.Beskrivning);
                }
                catch (Exception)
                {
                    _log.LogInformation($"Dublett : {rec.Beskrivning}");
                }
            }
        }

        var templist = await _dapperStocksProvider.GetStockNames();
        foreach (var webName in templist)
        {
            _log.LogInformation($"Upplägg : {webName}, --");
            await _dapperStocksProvider.AddWebStockNames(webName);
        }

        foreach (var newName in tempListNew)
        {
            var founds = templist.Where(t => t.StartsWith(newName.Substring(0, 3))).ToList();
            if (founds.Any())
            {
                if (founds.Count > 1)
                {
                    var choseNr = 0;
                    Console.WriteLine($"{newName} skall passas ihop med en av nedan nr:");
                    Console.WriteLine();
                    foreach (var found in founds)
                    {
                        Console.WriteLine($"välj {choseNr++} for {found}");
                    }
                    Console.WriteLine();
                    Console.Write("Chose a number: ");
                    var valNumber = Console.ReadLine();
                    await _dapperStocksProvider.UpdateStockName(newName, founds[int.Parse(valNumber)]);
                }
                else
                {
                    await _dapperStocksProvider.UpdateStockName(newName, founds[0]);
                }
            }
            else
            {
                Console.WriteLine($"{newName} skall passas ihop med ?");
                Console.WriteLine();
                Console.Write("Write the correct name: ");
                var valNumber = Console.ReadLine();
                await _dapperStocksProvider.UpdateStockName(newName, valNumber);
            }
        }

    }   
    private async void UpDateWithSplitMinus(FileModel rec)
    {
        var members = await _dapperStocksProvider.GetStocksByStockIdPart(rec.Beskrivning, rec.Affärsdag);
        var remainingInit = rec.Antal;
        var remaining = rec.Antal;
        foreach (var member in members)
        {
            if (remaining >= member.ActAmount)
            {
                remaining -= (int)member.ActAmount;
                await _dapperStocksProvider.RemoveStockById(member.Id);
            }
            else
            {
                member.ActAmount -= remaining;
                member.Comment += ",-Split";
                await _dapperStocksProvider.UpdateStock(member);
            }

            _log.LogInformation($"Splittade {member.StockId}({member.Id}) st ändrad (minskad)");

            if (remaining <= 0)
            {
                break;
            }
        }
    }

    private async void UpDateWithSplitPlus(FileModel rec)
    {
        var members = await _dapperStocksProvider.GetStocksByStockIdPart(
            rec.Beskrivning, rec.Affärsdag);
        foreach (var member in members)
        {
            member.ActAmount += rec.Antal;
            member.Comment += ", +split";

            await _dapperStocksProvider.UpdateStock(member);
            _log.LogInformation($"Sålda {member.Id} st ändrad");

            break;
        }
    }

    private async Task UpDateNameConverter()
    {
        var stockNameList = await _dapperStocksProvider.GetStockNameTable();
        NameConverter.Clear();
        foreach (var stockname in stockNameList)
        {
            NameConverter.Add(stockname.StockNameBank, stockname.StockNameWeb);
        }
    }

    public async void UpDateWithSold(FileModel rec)
    {
        var members = await _dapperStocksProvider.GetStocksByStockId(NameConverter[rec.Beskrivning], rec.Affärsdag);
        var remainingInit = rec.Antal;
        var remaining = rec.Antal;
        foreach (var member in members)
        {
            if (remaining >= member.ActAmount)
            {
                remaining -= (int)member.ActAmount;
                member.SoldValue = ((int)member.ActAmount * rec.Belopp) / remainingInit;
                member.ActAmount = 0;
            }
            else
            {
                member.ActAmount -= remaining;
                member.SoldValue = (remaining * rec.Belopp) / remainingInit;
                remaining = 0;
            }
            member.SoldDate = rec.Affärsdag;
            member.Comment += ",Sold";
            member.SoldStockPrice = rec.Kurs;

            await _dapperStocksProvider.UpdateStock(member);
            _log.LogInformation($"Sålda {member.Id} st ändrad");

            if (remaining <= 0)
            {
                break;
            }
        }
    }


}