namespace LaaProductionWeb.Blazor.Components.CSD.Data
{
    using LaaPackages.SqlClient;
    using LaaProductionWeb.Blazor.Components.Logging.Sqlite;

    using Microsoft.Extensions.Configuration;
    using Microsoft.Extensions.Logging;

    using System;
    using System.Collections.Generic;

    public class CSDDBContext
    {
        private readonly SqlConnection connection;
        private readonly SqliteLoggingDbContext sqliteLogging;

        public CSDDBContext(IConfiguration configuration, SqliteLoggingDbContext sqliteLogging)
        {
            var connectionString = configuration.GetConnectionString("Auftrag");
            this.connection = SqlConnection.CreateSqlConnection(connectionString, this.LogSqlErrors);
        }

        public IEnumerable<string> GetBasisCodes()
            => this.connection
                   .CreateCommand(@"
                        SELECT DISTINCT vmm.Basis 
                          FROM VAKO_Merkmale AS vmm
                         WHERE vmm.Basis IS NOT NULL
                         ORDER BY 1")
                   .ExecuteReader(x => x.GetValue<string>(0));

        private void LogSqlErrors(string message) 
             => this.sqliteLogging.Add(new SqliteLog
             {
                 DateTime = DateTime.Now,
                 EventName = "SQL Error",
                 EventSource = nameof(CSDDBContext),
                 LogLevel = nameof(LogLevel.Error),
                 Message = message
             });
    }
}