using Infineon.Monitoring.MonA;

namespace FabApprovalWorkerService.Services;

public interface IMonInClient {
    void PostMetric(string metricName, double metricValue);
    void PostStatus(string statusName, State state);
}

public class MonInClient : IMonInClient {
    private readonly ILogger<MonInClient> _logger;

    private readonly string _site;
    private readonly string _resource;

    public MonInClient(ILogger<MonInClient> logger) {
        _logger = logger ??
            throw new ArgumentNullException("ILogger not injected");
        _site = Environment.GetEnvironmentVariable("MonInSite") ??
            throw new ArgumentNullException("MonInSite environment variable not found");
        _resource = Environment.GetEnvironmentVariable("FabApprovalWorkerServiceMonInResource") ??
            throw new ArgumentNullException("FabApprovalWorkerServiceMonInResource environment variable not found");
    }

    public void PostMetric(string metricName, double metricValue) {
        try {
            _logger.LogInformation("Attempting to send MonIn metric request for resource {0} with name {1} and value {2}",
                               _resource,
                               metricName,
                               metricValue);

            MonIn.GetInstance().SendPerformanceMessage(_site, _resource, metricName, metricValue);
        } catch (Exception ex) {
            _logger.LogError("An exception occurred when attempting to send MonIn metric request for resource {0} with name {1} and value {2}. Exception: {3}",
                             _resource,
                             metricName,
                             metricValue,
                             ex.Message);
        }
    }

    public void PostStatus(string statusName, State state) {
        try {
            _logger.LogInformation("Attempting to send MonIn status request for resource {0} with name {1} and value {2}",
                               _resource,
                               statusName,
                               state.ToString());

            MonIn.GetInstance().SendStatus(_site, _resource, statusName, state);
        } catch (Exception ex) {
            _logger.LogError("An exception occurred when attempting to send MonIn status request for resource {0} with name {1} and value {2}. Exception: {3}",
                             _resource,
                             statusName,
                             state.ToString(),
                             ex.Message);
        }
    }
}