using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using _0_Framework.Application;
using Company.Domain.ContarctingPartyAgg;
using Company.Domain.FinancialInvoiceAgg;
using Company.Domain.FinancialStatmentAgg;
using CompanyManagment.App.Contracts.FinancialInvoice;
using CompanyManagment.App.Contracts.FinancialStatment;
using CompanyManagment.App.Contracts.FinancilTransaction;
using CompanyManagment.App.Contracts.SepehrPaymentGateway;
using Microsoft.AspNetCore.Components.Forms;
using Microsoft.AspNetCore.Mvc;

namespace CompanyManagment.Application;

public class FinancialStatmentApplication : IFinancialStatmentApplication
{
    private readonly IFinancialStatmentRepository _financialStatmentRepository;
    private readonly IFinancialTransactionApplication _financialTransactionApplication;
    private readonly IPersonalContractingPartyRepository _contractingPartyRepository;
    private readonly IFinancialInvoiceRepository _financialInvoiceRepository;
    private readonly ISepehrPaymentGatewayService _sepehrPaymentGatewayService;

    public FinancialStatmentApplication(IFinancialStatmentRepository financialStatmentRepository,
        IFinancialTransactionApplication financialTransactionApplication,
        IPersonalContractingPartyRepository contractingPartyRepository,
        IFinancialInvoiceRepository financialInvoiceRepository,
        ISepehrPaymentGatewayService sepehrPaymentGatewayService)
    {
        _financialStatmentRepository = financialStatmentRepository;
        _financialTransactionApplication = financialTransactionApplication;
        _contractingPartyRepository = contractingPartyRepository;
        _financialInvoiceRepository = financialInvoiceRepository;
        _sepehrPaymentGatewayService = sepehrPaymentGatewayService;
    }

    public OperationResult CreateFromBankGateway(CreateFinancialStatment command)
    {
        var op = new OperationResult();

        if (command.Creditor == 0)
            return op.Failed("فیلد بدهکار خالیاست");

        if (_financialStatmentRepository.Exists(x => x.ContractingPartyId == command.ContractingPartyId))
        {
            var financialStatment =
                _financialStatmentRepository.GetDetailsByContractingPartyId(command.ContractingPartyId);
            var transaction = new CreateFinancialTransaction()
            {
                FinancialStatementId = financialStatment.Id,
                TdateGr = DateTime.Now,
                TdateFa = DateTime.Now.ToFarsi(),
                Description = command.Description,
                Deptor = 0,
                Creditor = command.Creditor,
                TypeOfTransaction = command.TypeOfTransaction,
                DescriptionOption = command.DescriptionOption
            };

            var createTransaction = _financialTransactionApplication.Create(transaction);
            if (createTransaction.IsSuccedded)
                return op.Succcedded();
            return op.Failed("خطا در انجام عملیات");
        }
        else
        {
            var contractingPartyName = _contractingPartyRepository.GetFullName(command.ContractingPartyId);
            var statement = new FinancialStatment(command.ContractingPartyId, contractingPartyName);
            _financialStatmentRepository.Create(statement);
            _financialStatmentRepository.SaveChanges();

            var transaction = new CreateFinancialTransaction()
            {
                FinancialStatementId = statement.id,
                TdateGr = DateTime.Now,
                TdateFa = DateTime.Now.ToFarsi(),
                Description = command.Description,
                Deptor = 0,
                Creditor = command.Creditor,
                Balance = 0,
                TypeOfTransaction = command.TypeOfTransaction,
                DescriptionOption = command.DescriptionOption
            };
            var createTransaction = _financialTransactionApplication.Create(transaction);
            if (createTransaction.IsSuccedded)
                return op.Succcedded();
            return op.Failed("خطا در انجام عملیات");
        }
    }

    public OperationResult Create(CreateFinancialStatment command)
    {
        var op = new OperationResult();

        double creditor = 0;
        double debtor = 0;
        if (command.TypeOfTransaction == "debt" && string.IsNullOrWhiteSpace(command.DeptorString))
            return op.Failed("فیلد بدهکار خالیاست");
        if (command.TypeOfTransaction == "credit" && string.IsNullOrWhiteSpace(command.CreditorString))
            return op.Failed("فیلد بستانکار خالی است");
        if (string.IsNullOrWhiteSpace(command.TdateFa))
            return op.Failed("فیلد تاریخ خالی است");

        if (command.TypeOfTransaction == "credit")
        {
            debtor = 0;
            creditor = command.CreditorString.MoneyToDouble();
        }
        else if (command.TypeOfTransaction == "debt")
        {
            creditor = 0;
            debtor = command.DeptorString.MoneyToDouble();
        }

        if (!command.TdateFa.TryToGeorgianDateTime(out var tDateGr))
        {
            return op.Failed("تاریخ وارد شده صحیح نمی باشد");
        }

        if (_financialStatmentRepository.Exists(x => x.ContractingPartyId == command.ContractingPartyId))
        {
            var financialStatment =
                _financialStatmentRepository.GetDetailsByContractingPartyId(command.ContractingPartyId);
            var transaction = new CreateFinancialTransaction()
            {
                FinancialStatementId = financialStatment.Id,
                TdateGr = tDateGr,
                TdateFa = command.TdateFa,
                Description = command.Description,
                Deptor = debtor,
                Creditor = creditor,
                TypeOfTransaction = command.TypeOfTransaction,
                DescriptionOption = command.DescriptionOption
            };

            var createTransaction = _financialTransactionApplication.Create(transaction);
            if (createTransaction.IsSuccedded)
                return op.Succcedded();
            return op.Failed("خطا در انجام عملیات");
        }
        else
        {
            var statement = new FinancialStatment(command.ContractingPartyId, command.ContractingPartyName);
            _financialStatmentRepository.Create(statement);
            _financialStatmentRepository.SaveChanges();

            var transaction = new CreateFinancialTransaction()
            {
                FinancialStatementId = statement.id,
                TdateGr = tDateGr,
                TdateFa = command.TdateFa,
                Description = command.Description,
                Deptor = debtor,
                Creditor = creditor,
                Balance = 0,
                TypeOfTransaction = command.TypeOfTransaction,
                DescriptionOption = command.DescriptionOption
            };
            var createTransaction = _financialTransactionApplication.Create(transaction);
            if (createTransaction.IsSuccedded)
                return op.Succcedded();
            return op.Failed("خطا در انجام عملیات");
        }
    }


    public List<FinancialStatmentViewModel> Search(FinancialStatmentSearchModel searchModel)
    {
        return _financialStatmentRepository.Search(searchModel);
    }

    public FinancialStatmentViewModel GetDetailsByContractingPartyId(long contractingPartyId)
    {
        return _financialStatmentRepository.GetDetailsByContractingPartyId(contractingPartyId);
    }

    public async Task<ClientFinancialStatementViewModel> GetClientFinancialStatement(
        FinancialStatementSearchModel searchModel, long accountId)
    {
        return await _financialStatmentRepository.GetClientFinancialStatement(accountId, searchModel);
    }

    public async Task<OperationResult<ClientFinancialStatementViewModel>> GetDetailsByPublicId(
        string publicId)
    {
        return await _financialStatmentRepository.GetDetailsByPublicId(publicId);
    }

    public Task<GetFinancialStatementBalanceAmount> GetBalanceAmount(long id)
    {
        return _financialStatmentRepository.GetBalanceAmount(id);
    }

    public Task<double> GetClientDebtAmount(long accountId)
    {
        return _financialStatmentRepository.GetClientDebtAmount(accountId);
    }

    public async Task<FinancialStatmentDetailsByContractingPartyViewModel> GetDetailsByContractingParty(
        long contractingPartyId, FinancialStatementSearchModel searchModel)
    {
        return await _financialStatmentRepository.GetDetailsByContractingParty(contractingPartyId, searchModel);
    }

    public async Task<OperationResult<CreateSepehrPaymentGatewayResponse>> CreatePaymentGateWayAndCreateInvoice(
        CreateFinancialPayRequest request, string gateWayCallBackUrl)
    {
        var op = new OperationResult<CreateSepehrPaymentGatewayResponse>();
        // گام 1: دریافت موجودی حساب
        var balanceAmount = await GetBalanceAmount(request.Id);
        if (balanceAmount.Amount <= 0)
        {
            return op.Failed("موجودی حساب شما صفر است");
        }
        // گام 2: ایجاد درگاه پرداخت سپهر

        var financialInvoice = await _financialInvoiceRepository
            .GetUnPaidFinancialInvoiceByContractingPartyIdAndAmount(balanceAmount.ContractingPartyId,
                balanceAmount.Amount);

        if (financialInvoice == null)
        {
            financialInvoice = new FinancialInvoice(balanceAmount.Amount, balanceAmount.ContractingPartyId,
                "پرداخت بدهی صورت حساب مالی");

            var items = new FinancialInvoiceItem("پرداخت بدهی صورت حساب مالی", balanceAmount.Amount,
                financialInvoice.id, FinancialInvoiceItemType.PreviousDebt, 0);
            financialInvoice.AddItem(items);
            await _financialInvoiceRepository.CreateAsync(financialInvoice);
            await _financialInvoiceRepository.SaveChangesAsync();
        }

        var gatewayResult = await _sepehrPaymentGatewayService.CreateSepehrPaymentGateway(
            amount: balanceAmount.Amount,
            contractingPartyId: balanceAmount.ContractingPartyId,
            frontCallbackUrl: request.BaseUrl,
            gatewayCallbackUrl: gateWayCallBackUrl,
            financialInvoiceId: financialInvoice.id,
            extraData: null);

        return gatewayResult;
    }
}