using Microsoft.AspNetCore.Diagnostics;
using Microsoft.AspNetCore.Mvc;

namespace TarninaHub.Errors;

public sealed class GlobalExceptionHandler : IExceptionHandler
{
    private readonly ILogger<GlobalExceptionHandler> _logger;

    public GlobalExceptionHandler(ILogger<GlobalExceptionHandler> logger)
    {
        _logger = logger;
    }

    public async ValueTask<bool> TryHandleAsync(
        HttpContext httpContext,
        Exception exception,
        CancellationToken cancellationToken)
    {
        _logger.LogError(exception, "Unhandled exception for {Method} {Path}",
            httpContext.Request.Method,
            httpContext.Request.Path);

        var problem = new ProblemDetails
        {
            Type = "https://httpstatuses.io/500",
            Title = "An unexpected error occurred.",
            Status = StatusCodes.Status500InternalServerError,
            Instance = httpContext.Request.Path,
        };

        httpContext.Response.StatusCode = problem.Status.Value;

        await httpContext.Response.WriteAsJsonAsync(problem, cancellationToken);

        return true;
    }
}