using AltBot.Core.Exceptions;
using Microsoft.AspNetCore.Diagnostics;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.Extensions.Logging;

namespace AltBot.ServiceDefaults;

internal sealed class HaltExceptionHandler(ILogger<HaltExceptionHandler> logger) : IExceptionHandler
{
    public async ValueTask<bool> TryHandleAsync(
        HttpContext httpContext,
        Exception exception,
        CancellationToken cancellationToken)
    {
        if (exception is not HaltException haltException)
        {
            return false;
        }

        logger.LogCritical(haltException, "AltBot crash: {Message}", haltException.Message);

        var problemDetails = new ProblemDetails
        {
            Status = StatusCodes.Status500InternalServerError,
            Title = "AltBot Halted",
            Detail = haltException.Message
        };

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

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

        return true;
    }
}