using MesaFabApproval;
using MesaFabApproval.API;
using MesaFabApproval.API.Services;
using MesaFabApproval.API.Utilities;
using MesaFabApproval.Shared.Models;
using MesaFabApproval.Shared.Services;

namespace MesaFabApproval.API.Utilities;

public interface IMonInUtils {
    public void PostMetrics(string metricName,
                            double latency,
                            bool isArgumentError,
                            bool isInternalError);
}

public class MonInUtils : IMonInUtils {
    private readonly IMonInWorkerClient _monInClient;
    private readonly ILogger<MonInUtils> _logger;

    public MonInUtils(IMonInWorkerClient monInClient, ILogger<MonInUtils> logger) {
        _monInClient = monInClient ??
            throw new ArgumentNullException("IMonInWorkerClient not injected");
        _logger = logger ??
            throw new ArgumentNullException("ILogger not injected");
    }

    public void PostMetrics(string metricName,
                            double latency,
                            bool isArgumentError,
                            bool isInternalError) {
        try {
            _logger.LogInformation("Attempting to post metrics to MonIn");

            _monInClient.PostAverage(metricName + "Latency", latency);

            if (isArgumentError) {
                _monInClient.PostStatus(metricName, StatusValue.Ok);
            } else if (isInternalError) {
                _monInClient.PostStatus(metricName, StatusValue.Critical);
            } else {
                _monInClient.PostStatus(metricName, StatusValue.Ok);
            }
        } catch (Exception ex) {
            _logger.LogError($"Unable to post metrics to MonIn, because {ex.Message}");
        }
    }
}