using Serilog;
using Serilog.Core;
using Serilog.Events;
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace XdCxRhDW.Framework
{
    public static class LogHelper
    {
        static LogHelper()
        {
            AppDomain.CurrentDomain.AssemblyResolve += (sender, args) =>
            {
                string path1 = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, "AddIns");
                string path2 = AppDomain.CurrentDomain.BaseDirectory;
                string dll1 = Path.Combine(path1, args.Name.Split(',')[0] + ".dll");
                string dll2 = Path.Combine(path2, args.Name.Split(',')[0] + ".dll");
                if (File.Exists(dll1))
                {
                    return Assembly.LoadFrom(dll1);
                }
                if (File.Exists(dll2))
                {
                    return Assembly.LoadFrom(dll2);
                }
                return null;
            };
        }
        private static bool _hasBuild = false;
        public static void BuildLogger(bool usePID = true)
        {
            string outputTemplate;
            if (usePID)
                outputTemplate = "{Timestamp:yyyy-MM-dd HH:mm:ss.fff}[线程={ThreadId}][PID={PID}][{Level:u3}]{Message:lj}{NewLine}\t{Exception}";
            else
                outputTemplate = "{Timestamp:yyyy-MM-dd HH:mm:ss.fff}[线程={ThreadId}][{Level:u3}]{Message:lj}{NewLine}\t{Exception}";
            Serilog.Log.Logger = new Serilog.LoggerConfiguration()
                .Enrich.FromLogContext()
                .Enrich.With(new SerilogEnricher(usePID))
                .WriteTo.Console(outputTemplate: outputTemplate)
                .WriteTo.Logger(p => p.Filter.ByIncludingOnly(e => e.Level == Serilog.Events.LogEventLevel.Information)
                    .WriteTo.File("Logs\\Info\\.log", rollingInterval: Serilog.RollingInterval.Day, outputTemplate: outputTemplate))
                .WriteTo.Logger(p => p.Filter.ByIncludingOnly(e => e.Level == Serilog.Events.LogEventLevel.Warning)
                    .WriteTo.File("Logs\\Warning\\.log", rollingInterval: Serilog.RollingInterval.Day, outputTemplate: outputTemplate))
                .WriteTo.Logger(p => p.Filter.ByIncludingOnly(e => e.Level == Serilog.Events.LogEventLevel.Error)
                    .WriteTo.File("Logs\\Error\\.log", rollingInterval: Serilog.RollingInterval.Day, outputTemplate: outputTemplate))
                .CreateLogger();
            _hasBuild = true;
        }

        public static void Info(string msg)
        {
            if (!_hasBuild)
                BuildLogger();
            Serilog.Log.Information(msg);
        }
        public static void Warning(string msg, Exception ex = null)
        {
            if (!_hasBuild)
                BuildLogger();
            Serilog.Log.Warning(ex, msg);
        }
        public static void Error(string msg, Exception ex = null)
        {
            if (!_hasBuild)
                BuildLogger();
            Serilog.Log.Error(ex, msg);
        }
    }
    /// <summary>
    /// Serilog日志添加线程ID
    /// </summary>
    class SerilogEnricher : ILogEventEnricher
    {
        private bool useProcessId;
        private string PID;
        public SerilogEnricher(bool useProcessId = false)
        {
            this.useProcessId = useProcessId;
            if (useProcessId)
            {
                this.PID = Process.GetCurrentProcess().Id.ToString("D5");
            }
        }
        /// <summary>
        /// 在日志中添加线程ID
        /// </summary>
        /// <param name="logEvent"></param>
        /// <param name="propertyFactory"></param>
        public void Enrich(LogEvent logEvent, ILogEventPropertyFactory propertyFactory)
        {
            logEvent.AddPropertyIfAbsent(propertyFactory.CreateProperty(
              "ThreadId", Thread.CurrentThread.ManagedThreadId.ToString("D3")));
            if (useProcessId)
            {
                logEvent.AddPropertyIfAbsent(propertyFactory.CreateProperty("PID", PID));
            }

        }

    }
}