using FiscalFlow.Application.Commands.Invoices;
using MediatR;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;
using System.Security.Claims;

namespace FiscalFlow.API.Controllers;

[ApiController]
[Route("api/v1/invoices")]
[Authorize]
public partial class InvoicesController : ControllerBase
{
    private readonly IMediator _mediator;

    public InvoicesController(IMediator mediator)
    {
        _mediator = mediator;
    }

    [HttpPost]
    [Consumes("multipart/form-data")]
    public async Task<IActionResult> UploadInvoice([FromForm] UploadInvoiceRequest request)
    {
        var userId = GetUserId();
        
        if (request.File == null || request.File.Length == 0)
        {
            return BadRequest(new { success = false, error = "No file uploaded" });
        }

        if (!request.File.ContentType.Equals("application/pdf", StringComparison.OrdinalIgnoreCase))
        {
            return BadRequest(new { success = false, error = "Only PDF files are supported" });
        }

        var command = new UploadInvoiceCommand(
            userId,
            request.Provider,
            request.File.FileName,
            request.File.OpenReadStream(),
            request.File.Length,
            request.File.ContentType);

        var result = await _mediator.Send(command);

        if (!result.Success)
        {
            return BadRequest(new { success = false, error = result.ErrorMessage });
        }

        return Ok(new { success = true, data = result.Invoice });
    }
}

public class UploadInvoiceRequest
{
    public IFormFile? File { get; set; }
    public string Provider { get; set; } = "fortnox";
    public bool AutoProcess { get; set; } = false;
}