using System.Globalization;
using DoliMiddlewareApi.Dtos;
using DoliMiddlewareApi.Dtos.command;
using DoliMiddlewareApi.Dtos.Dolibarr;
using DoliMiddlewareApi.Mappers;
using DoliMiddlewareApi.Services.Clients;

namespace DoliMiddlewareApi.Services;

public class InvoiceService
{
    private readonly DolibarrApiClient _apiClient;

    public InvoiceService(DolibarrApiClient apiClient)
    {
        _apiClient = apiClient;
    }

    public async Task<InvoiceDetailDto> GetInvoiceAsync(int id)
    {
        var data = await _apiClient.GetResourceAsync<InvoiceDetailResponse>($"invoices/{id}");
        return InvoiceMapper.MapToInvoiceDetailDto(data);
    }

    public async Task<List<InvoiceDto>> GetInvoicesAsync(
        int limit = 50,
        int page = 1,
        string? status = null)
    {
        // empieza por 1 para el frontend
        var endpoint = $"invoices?limit={limit}&page={page - 1}";

        if (!string.IsNullOrEmpty(status))
        {
            endpoint += $"&status={status}";
        }

        var dataList = await _apiClient.GetCollectionAsync<InvoiceResponse>(endpoint);
        return dataList.Select(InvoiceMapper.MapToInvoiceDto).ToList();
    }

    public async Task<int> CreateInvoiceAsync(CreateInvoiceDto dto)
    {
        var requestBody = new
        {
            socid = dto.ClientId.ToString(),
            type = "0",
            statut = dto.Status == "unpaid" ? "1" : "0",
            date = ((DateTimeOffset)dto.Date).ToUnixTimeSeconds().ToString(),
            date_lim_reglement = dto.ExpireDate.HasValue 
                ? ((DateTimeOffset)dto.ExpireDate.Value).ToUnixTimeSeconds().ToString() 
                : null,
            @ref = dto.Reference,
            note_public = dto.NotePublic,
            note_private = dto.NotePrivate,
            lines = dto.Lines.Select(line => new
            {
                desc = line.Description,
                qty = line.Quantity.ToString(CultureInfo.InvariantCulture),
                subprice = line.UnitPrice.ToString(CultureInfo.InvariantCulture),
                tva_tx = line.TaxRate.ToString(CultureInfo.InvariantCulture)
            }).ToArray()
        };

        var responseBody = await _apiClient.PostAsync("invoices", requestBody);
        
        return int.Parse(responseBody);
    }
}