using FluentResults;
using Microsoft.AspNetCore.Mvc;
using Tnsu.ApprovalRoute.Application.Common.Errors;

namespace Tnsu.ApprovalRoute.Api.Common;

public static class ResultExtensions
{
    public static IActionResult ToActionResult<T>(this Result<T> result)
    {
        if (result.IsFailed)
            return result.Errors[0].ToActionResult();

        var warnings = result.Reasons.OfType<Warning>().Select(w => w.Message).ToList();
        return new OkObjectResult(new ApiResponse<T>(result.Value, warnings));
    }

    public static IActionResult ToActionResult(this Result result)
    {
        if (result.IsFailed)
            return result.Errors[0].ToActionResult();

        return new NoContentResult();
    }

    private static IActionResult ToActionResult(this IError error) => error switch
    {
        NotFoundError => new NotFoundObjectResult(new ApiError(error.Message)),
        ValidationError => new BadRequestObjectResult(new ApiError(error.Message)),
        ConflictError => new ConflictObjectResult(new ApiError(error.Message)),
        _ => new ObjectResult(new ApiError(error.Message)) { StatusCode = StatusCodes.Status500InternalServerError }
    };
}