using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using _0_Framework.Application;
using _0_Framework.InfraStructure;
using Company.Domain.ContractingPartyBankAccountsAgg;
using Company.Domain.PaymentTransactionAgg;
using CompanyManagment.App.Contracts.PaymentTransaction;
using Microsoft.EntityFrameworkCore;

namespace CompanyManagment.EFCore.Repository;

public class PaymentTransactionRepository : RepositoryBase<long, PaymentTransaction>, IPaymentTransactionRepository
{
    private readonly CompanyContext _companyContext;
    public PaymentTransactionRepository(CompanyContext companyContext) : base(companyContext)
    {
        _companyContext = companyContext;
    }

    public async Task<List<GetPaymentTransactionListViewModel>> GetPaymentTransactionList(GetPaymentTransactionListSearchModel searchModel)
    {
        var query = _companyContext.PaymentTransactions.AsQueryable();

        if (searchModel.ContractingPartyId > 0)
        {
            query = query.Where(x => x.ContractingPartyId == searchModel.ContractingPartyId);
        }

        if (!string.IsNullOrWhiteSpace(searchModel.FromDate) && !string.IsNullOrWhiteSpace(searchModel.ToDate))
        {
            searchModel.FromDate.TryToGeorgianDateTime(out var fromDateGr);
            searchModel.ToDate.TryToGeorgianDateTime(out var toDateGr);
            query = query.Where(x => x.TransactionDate >= fromDateGr && x.TransactionDate <= toDateGr);
        }

        if (searchModel.FromAmount > 0 || searchModel.ToAmount > 0)
        {
            if (searchModel.FromAmount > 0 && searchModel.ToAmount > 0)
            {
                query = query.Where(x => x.Amount >= searchModel.FromAmount && x.Amount <= searchModel.ToAmount);
            }
            else if (searchModel.FromAmount > 0)
            {
                query = query.Where(x => x.Amount >= searchModel.FromAmount);
            }
            else if (searchModel.ToAmount > 0)
            {
                query = query.Where(x => x.Amount <= searchModel.ToAmount);
            }
        }

        if (searchModel.StatusEnum != null)
        {
            query = query.Where(x => x.Status == searchModel.StatusEnum);
        }

      // 1. گرفتن تراکنش‌ها
var paymentTransactionsData = await query.OrderByDescending(x => x.CreationDate)
    .AsNoTracking()
    .Skip(searchModel.PageIndex)
    .Take(30)
    .ToListAsync();

// 2. استخراج prefix و suffix از کارت‌های ماسک‌شده
var maskedCardInfos = paymentTransactionsData.Where(x=>x.CardNumber!=null)
    .Select(x => new
    {
        MaskedCard = x.CardNumber,
        Prefix = x.CardNumber.Substring(0, 4),
        Suffix = x.CardNumber.Substring(x.CardNumber.Length - 4)
    })
    .Distinct()
    .ToList();

// 3. گرفتن شماره کارت‌های واقعی
var matchedBankAccounts = (await _companyContext.ContractingPartyBankAccounts.Where(x=>x.CardNumber!= null)
    .ToListAsync()).Where(account => maskedCardInfos.Any(mask =>
        account.CardNumber.StartsWith(mask.Prefix) &&
        account.CardNumber.EndsWith(mask.Suffix)
    ));

// 4. ساختن خروجی
var result = paymentTransactionsData
    .Select(x =>
    {
        var prefix = x.CardNumber?.Substring(0, 4);
        var suffix = x.CardNumber?.Substring(x.CardNumber.Length - 4);

        // پیدا کردن شماره کارت کامل و اطلاعات بانک و صاحب حساب

        ContractingPartyBankAccount matchedAccount = null;
        if (prefix != null && suffix != null)
        {
            matchedAccount = matchedBankAccounts
                .FirstOrDefault(account =>
                    account.CardNumber.StartsWith(prefix) &&
                    account.CardNumber.EndsWith(suffix));
        }
      

        return new GetPaymentTransactionListViewModel
        {
            Id = x.id,
            ContractingPartyName =  x.ContractingPartyName,
            BankName = x.BankName,
            CardNumber = matchedAccount?.CardNumber ?? x.CardNumber,
            Status = x.Status switch
            {
                PaymentTransactionStatus.Failed => "ناموفق",
                PaymentTransactionStatus.Success => "موفق",
                _ => "نامشخص"
            },
            StatusEnum = x.Status,
            Amount = x.Amount,
            TransactionId = x.TransactionId,
            PaymentDate = x.TransactionDate.ToFarsi(),
            PaymentTime = $"{x.TransactionDate:HH:mm}"
        };
    })
    .ToList();

return result;


    }

    public async Task<PaymentTransactionDetailsViewModel> GetDetails(long id)
    {
        var transaction = await _companyContext.PaymentTransactions.FirstOrDefaultAsync(x => x.id == id);

        if (transaction == null)
            return null;

        var result = new PaymentTransactionDetailsViewModel()
        {
            Id = transaction.id,
            Amount = transaction.Amount,
            CallBackUrl = transaction.CallBackUrl,
            ContractingPartyId = transaction.ContractingPartyId,
            CardNumber = transaction.CardNumber,
            TransactionId = transaction.TransactionId,
            Status = transaction.Status,
            ContractingPartyName = transaction.ContractingPartyName,
            BankName = transaction.BankName,
            TransactionDate = transaction.TransactionDate
        };

        return result;
    }
}