using System;
using System.Collections.Generic;
using System.Data.Common;
using System.Linq;
using NLog;
using System.Text;

namespace DataAccessLayer
{
    public static class SqlLogging
    {
        private static readonly ILogger Logger = LogManager.GetCurrentClassLogger();

        public static void LogSqlStart(string sql, Dictionary<string, object> parameters = null)
        {
            var sb = new StringBuilder();
            sb.AppendLine($"Executing SQL: {sql}");
            
            if (parameters != null && parameters.Any())
            {
                sb.AppendLine("Parameters:");
                foreach (var param in parameters)
                {
                    sb.AppendLine($"    @{param.Key} = {param.Value ?? "null"}");
                }
            }

            Logger.Debug(sb.ToString());
        }

        public static void LogSqlError(string sql, Exception ex, Dictionary<string, object> parameters = null)
        {
            var sb = new StringBuilder();
            sb.AppendLine($"SQL Error in query: {sql}");
            
            if (parameters != null && parameters.Any())
            {
                sb.AppendLine("Parameters:");
                foreach (var param in parameters)
                {
                    sb.AppendLine($"    @{param.Key} = {param.Value ?? "null"}");
                }
            }

            Logger.Error(ex, sb.ToString());
        }

        public static void LogStoredProcedureStart(string procedureName, List<Parametro> parameters = null)
        {
            Logger.Debug($"Executing stored procedure: {procedureName}");
            if (parameters != null)
            {
                foreach (var param in parameters)
                {
                    Logger.Debug($"    Parameter: {param.ParameterName} = {param.Value ?? "null"}");
                }
            }
        }

        public static void LogStoredProcedureSuccess(string procedureName, int rowCount = 0)
        {
            Logger.Debug($"Stored procedure {procedureName} executed successfully. Rows affected/returned: {rowCount}");
        }

        public static void LogStoredProcedureError(string procedureName, Exception ex, List<Parametro> parameters = null)
        {
            Logger.Error(ex, $"Error executing stored procedure {procedureName}");
            if (parameters != null)
            {
                foreach (var param in parameters)
                {
                    Logger.Error($"    Parameter: {param.ParameterName} = {param.Value ?? "null"}");
                }
            }
        }

        public static void LogError(Exception ex)
        {
            Logger.Error(ex);
        }

        public static void LogErrors(Exception ex)
        {
            Logger.Error(ex);
        }
    }
}