using System;
using System.Collections.Generic;
using System.Configuration;
using System.Diagnostics;
using System.Linq;
using System.Web;
using CPE.App.Web.Models;

namespace CPE.App.Web.Code
{
    public static class Extensions
    {
        public static DateTime GetLocalDateTime(DateTime UtcDateTime)
        {
            var timezoneId = ConfigurationManager.AppSettings["TimezoneId"] ?? "Eastern Standard Time";
            var timezoneInfo = TimeZoneInfo.FindSystemTimeZoneById(timezoneId);
            return TimeZoneInfo.ConvertTimeFromUtc(UtcDateTime, timezoneInfo);
        }
        public static string GetPercentComplete(double val1, double val2)
        {
            if (val1 == 0)
                return 1.ToString("p");
            return (val2 / val1).ToString("p");
        }
        public static double GetPollPercentComplete(double val1, double val2)
        {
            if (val1 == 0)
                return 1.0;
            return (val2 / val1);
        }
        public static int ReentryCutoff()
        {
            var cuttoff = ConfigurationManager.AppSettings["ReEntryCutoffMinutes"] ?? "5";
            return int.Parse(cuttoff);
        }

        public static void LogServiceError(string service, string message, Exception ex)
        {
            try
            {
                var context = CPEWebDataContext.GetContext();
                var serviceError = new ServiceError()
                {
                    Logged = DateTime.UtcNow,
                    ServiceMethod = service,
                    Message = message,
                    StackTrace = ex.ToString()
                };
                context.ServiceErrors.InsertOnSubmit(serviceError);
                context.SubmitChanges();
            }
            catch (Exception blackhole)
            {
                //swallow logging errors
                Debug.WriteLine(blackhole.Message);
            }
        }

        public static void LogServiceError(string service, Exception ex)
        {
            try
            {
                var context = CPEWebDataContext.GetContext();
                var serviceError = new ServiceError()
                                       {
                                           Logged = DateTime.UtcNow,
                                           ServiceMethod = service,
                                           Message = ex.Message,
                                           StackTrace = ex.ToString()
                                       };
                context.ServiceErrors.InsertOnSubmit(serviceError);
                context.SubmitChanges();
            }
            catch (Exception blackhole)
            {
                //swallow logging errors
                Debug.WriteLine(blackhole.Message);
            }
        }

        public static void LogServiceCall(string service, string details)
        {
            try
            {
                var context = CPEWebDataContext.GetContext();
                var serviceLog = new ServiceLog()
                {
                    ServiceMethod = service,
                    Details = details,
                    Created = DateTime.UtcNow,
                    LogKey = Guid.NewGuid()
                };
                context.ServiceLogs.InsertOnSubmit(serviceLog);
                context.SubmitChanges();
            }
            catch (Exception blackhole)
            {
                //swallow logging errors
                Debug.WriteLine(blackhole.Message);
            }
        }
    }
}