using Microsoft.Extensions.Logging;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DW5S.Repostory
{
    public class SqlLoggerProvider : ILoggerProvider
    {
        public ILogger CreateLogger(string categoryName) => new SqlLogger(categoryName);
        public void Dispose() { }
    }
    public class SqlLogger : ILogger
    {
        private readonly string categoryName;
        public SqlLogger(string categoryName) => this.categoryName = categoryName;
        public IDisposable BeginScope<TState>(TState state) => null;
        public bool IsEnabled(LogLevel logLevel) => true;
        public void Log<TState>(LogLevel logLevel, EventId eventId, TState state, Exception exception, Func<TState, Exception, string> formatter)
        {
            if (exception != null)
                Serilog.Log.Error(exception, formatter(state, exception));
            else
            {
                if (categoryName == "Microsoft.EntityFrameworkCore.Database.Command")
                {
                    if (logLevel == LogLevel.Warning)
                    {
                        var logContent = formatter(state, exception);
                        Serilog.Log.Warning(exception, logContent);
                    }
                    else if (logLevel == LogLevel.Error)
                    {
                        var logContent = formatter(state, exception);
                        Serilog.Log.Error(exception, logContent);
                    }
                    else
                    {
                        var logContent = formatter(state, exception);
                        Serilog.Log.Information(logContent);
                    }
                }
            }
        }
    }
}