using foodmarket.Infrastructure.Integrations.MoySklad;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc;

namespace foodmarket.Api.Controllers.Admin;

[ApiController]
[Authorize(Policy = "AdminAccess")]
[Route("api/admin/moysklad")]
public class MoySkladImportController : ControllerBase
{
    private readonly MoySkladImportService _svc;

    public MoySkladImportController(MoySkladImportService svc) => _svc = svc;

    public record TestRequest(string Token);
    public record ImportRequest(string Token, bool OverwriteExisting = false);

    [HttpPost("test")]
    public async Task<IActionResult> TestConnection([FromBody] TestRequest req, CancellationToken ct)
    {
        if (string.IsNullOrWhiteSpace(req.Token))
            return BadRequest(new { error = "Token is required." });

        var result = await _svc.TestConnectionAsync(req.Token, ct);
        if (!result.Success)
        {
            var msg = result.StatusCode switch
            {
                401 or 403 => "Токен недействителен или не имеет доступа к API.",
                503 or 502 => "МойСклад временно недоступен. Повтори через минуту.",
                _ => $"МойСклад вернул {result.StatusCode}: {Truncate(result.Error, 400)}",
            };
            return StatusCode(result.StatusCode ?? 502, new { error = msg });
        }
        return Ok(new { organization = result.Value!.Name, inn = result.Value.Inn });
    }

    private static string? Truncate(string? s, int max)
        => string.IsNullOrEmpty(s) ? s : (s.Length <= max ? s : s[..max] + "…");

    [HttpPost("import-products")]
    public async Task<ActionResult<MoySkladImportResult>> ImportProducts([FromBody] ImportRequest req, CancellationToken ct)
    {
        if (string.IsNullOrWhiteSpace(req.Token))
            return BadRequest(new { error = "Token is required." });

        var result = await _svc.ImportProductsAsync(req.Token, req.OverwriteExisting, ct);
        return result;
    }

    [HttpPost("import-counterparties")]
    public async Task<ActionResult<MoySkladImportResult>> ImportCounterparties([FromBody] ImportRequest req, CancellationToken ct)
    {
        if (string.IsNullOrWhiteSpace(req.Token))
            return BadRequest(new { error = "Token is required." });

        var result = await _svc.ImportCounterpartiesAsync(req.Token, req.OverwriteExisting, ct);
        return result;
    }
}