using Comal.Classes;
using FastReport.Data;
using InABox.Core;
using InABox.Core.Postable;
using InABox.Poster.MYOB;
using MYOB.AccountRight.SDK.Services;
using MYOB.AccountRight.SDK.Services.Contact;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;
using Customer = Comal.Classes.Customer;
using MYOBCustomer = MYOB.AccountRight.SDK.Contracts.Version2.Contact.Customer;
using MYOBAddress = MYOB.AccountRight.SDK.Contracts.Version2.Contact.Address;
using MYOB.AccountRight.SDK.Contracts.Version2.Sale;

namespace PRS.Shared.Posters.MYOB;

public class CustomerMYOBPosterSettings : MYOBPosterSettings
{
    [TextBoxEditor(ToolTip = "The MYOB tax code which should be used when posting customers")]
    public string DefaultTaxCode { get; set; }
}

public class CustomerMYOBPoster : IMYOBPoster<Customer, CustomerMYOBPosterSettings>
{
    public CustomerMYOBPosterSettings Settings { get; set; }
    public MYOBGlobalPosterSettings GlobalSettings { get; set; }

    public MYOBConnectionData ConnectionData { get; set; }

    private static void SplitName(string name, out string firstName, out string lastName)
    {
        var names = name.Split(' ', 2, StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
        firstName = names.Length > 0 ? names[0] : "";
        lastName = names.Length > 1 ? names[1] : "";
    }

    private MYOBAddress ConvertAddress(Address address, int location, IContact contact)
    {
        return new MYOBAddress
        {
            Location = location,
            Street = address.Street.Truncate(255),
            City = address.City.Truncate(255),
            State = address.State.Truncate(255),
            PostCode = address.PostCode.Truncate(11),
            Phone1 = contact.Mobile.Truncate(21),
            Phone2 = contact.Telephone.Truncate(21),
            Email = contact.Email.Truncate(255),
            ContactName = contact.Name.Truncate(25)
        };
    }

    public bool BeforePost(IDataModel<Customer> model)
    {
        foreach (var (_, table) in model.ModelTables)
        {
            table.IsDefault = false;
        }
        model.SetIsDefault<Customer>(true);

        return true;
    }

    public IPostResult<Customer> Process(IDataModel<Customer> model)
    {
        // Documentation: https://developer.myob.com/api/myob-business-api/v2/contact/customer/

        var results = new PostResult<Customer>();

        var service = new CustomerService(ConnectionData.Configuration, null, ConnectionData.AuthKey);

        var customers = model.GetTable<Customer>().ToArray<Customer>();
        
        foreach(var customer in customers)
        {
            try
            {
                bool isNew;
                MYOBCustomer myobCustomer;
                if(Guid.TryParse(customer.PostedReference, out var myobID))
                {
                    if(!service.Get(ConnectionData, myobID).Get(out var newCustomer, out var error))
                    {
                        CoreUtils.LogException("", error, $"Failed to find Customer in MYOB with id {myobID}");
                        results.AddFailed(customer, $"Failed to find Customer in MYOB with id {myobID}: {error.Message}");
                        continue;
                    }
                    else
                    {
                        myobCustomer = newCustomer;
                        isNew = false;
                    }
                }
                else
                {
                    myobCustomer = new MYOBCustomer();
                    isNew = true;
                }

                SplitName(customer.DefaultContact.Name, out var firstName, out var lastName);

                myobCustomer = new MYOBCustomer
                {
                    CompanyName = customer.Name.Truncate(50),
                    FirstName = firstName.Truncate(30),
                    LastName = lastName.Truncate(20),
                    IsIndividual = false,
                    DisplayID = customer.Code.Truncate(15),
                    IsActive = customer.CustomerStatus.Active,
                    Addresses =
                    [
                        ConvertAddress(customer.Delivery, 1, customer.DefaultContact),
                        ConvertAddress(customer.Postal, 2, customer.DefaultContact)
                    ],
                    // Notes = 
                    // PhotoURI =
                    // RowVersion = 
                };
                myobCustomer.SellingDetails.SaleLayout = InvoiceLayoutType.NoDefault;
                // myobCustomer.SellingDetails.PrintedFOrm = 
                myobCustomer.SellingDetails.InvoiceDelivery = DocumentAction.PrintAndEmail;
                // myobCustomer.SellingDetails.IncomeAccount = 
                // myobCustomer.SellingDetails.ReceiptMemo = 
                // myobCustomer.SellingDetails.SalesPerson = 
                // myobCustomer.SellingDetails.SaleComment = 
                // myobCustomer.SellingDetails.ShippingMethod = 
                // myobCustomer.SellingDetails.HourlyBillRate = 
                // myobCustomer.SellingDetails.ABNBranch = 
                myobCustomer.SellingDetails.ABN = customer.ABN.Truncate(14);

                if (isNew)
                {
                    if (Settings.DefaultTaxCode.IsNullOrWhiteSpace())
                    {
                        throw new PostFailedMessageException("Default tax code has not been set up.");
                    }
                    else if(ConnectionData.GetMYOBTaxCodeUID(Settings.DefaultTaxCode).Get(out var taxID, out var error))
                    {
                        if (taxID.HasValue)
                        {
                            myobCustomer.SellingDetails.TaxCode.UID = taxID.Value;
                            myobCustomer.SellingDetails.FreightTaxCode.UID = taxID.Value;
                        }
                        else
                        {
                            results.AddFailed(customer, $"Failed to find TaxCode in MYOB with code {Settings.DefaultTaxCode}");
                            continue;
                        }
                    }
                    else
                    {
                        CoreUtils.LogException("", error, $"Failed to find TaxCode in MYOB with code {Settings.DefaultTaxCode}");
                        results.AddFailed(customer, $"Failed to find TaxCode in MYOB with code {Settings.DefaultTaxCode}: {error.Message}");
                        continue;
                    }
                }

                // myobCustomer.SellingDetails.UseCustomerTaxCode = 
                // myobCustomer.SellingDetails.Terms = 
                // myobCustomer.SellingDetails.Credit = 
                // myobCustomer.SellingDetails.TaxIdNumber = 
                // myobCustomer.SellingDetails.Memo = 
                // myboCustomer.PaymentDetails.Method = 
                // myboCustomer.PaymentDetails.CardNumber = 
                // myboCustomer.PaymentDetails.NameOnCard = 
                // myboCustomer.PaymentDetails.BSBNumber = 
                // myboCustomer.PaymentDetails.BankAccountNumber = 
                // myboCustomer.PaymentDetails.BankAccountName = 
                // myboCustomer.PaymentDetails.Notes = 

                var result = service.Update(ConnectionData.CompanyFile, myobCustomer, ConnectionData.CompanyFileCredentials);
                results.AddSuccess(customer);
            }
            catch (Exception e)
            {
                CoreUtils.LogException("", e, $"Error while posting customer {customer.ID}");
                results.AddFailed(customer, e.Message);
            }
        }

        return results;
    }
}

public class CustomerMYOBPosterEngine : MYOBPosterEngine<Customer, CustomerMYOBPosterSettings> { }