using System;
using System.Data.Common;
using System.Data.SqlClient;
using System.Data.Entity;
using System.Data.EntityClient;
using System.Data.Entity.Design;
using System.Data.Entity.Infrastructure;

namespace DynamicOrm1
{
    class Generators
    {
        internal EntityModelSchemaGenerator Models { get; set; }
        internal EntityClassGenerator Classes { get; set; }
        internal EntityCodeGenerator Code { get; set; }
        internal EntityViewGenerator Views { get; set; }
        internal EntityStoreSchemaGenerator Store { get; set; }

        const string connectionString = "Server = MSSQL2014; Database = test.shop; Trusted_Connection = True;";
        const string providerInvariantName = "System.Data.SqlClient";

        public Generators()
        {
            InitializeSettings();
        }

        private void InitializeSettings()
        {
            Classes = new EntityClassGenerator(LanguageOption.GenerateCSharpCode);
            Code = new EntityCodeGenerator(LanguageOption.GenerateCSharpCode);
            Views = new EntityViewGenerator(LanguageOption.GenerateCSharpCode);
            Store = new EntityStoreSchemaGenerator(providerInvariantName, connectionString, "ShoppingModelStore");

            Store.GenerateForeignKeyProperties = true;
        }

        internal void CreateSsdlFile(string filePath)
        {
            if (filePath == String.Empty)
                throw new Exception("Can't create the SSDL file, because the given file path is an empty string.");

            Store.GenerateStoreMetadata();
            Store.WriteStoreSchema(filePath);
        }

        internal void CreateCsdlAndMslFile(string csdlFilePath, string mslFilePath)
        {
            if (Store == null)
                throw new Exception("Can't create the CSDL and MSL files, because the `Store` object is null.");

            Models = new EntityModelSchemaGenerator(Store.StoreItemCollection, "ShoppingModelConceptual", "ShoppingModelConceptualContainer");
            Models.GenerateMetadata();
            Models.WriteModelSchema(csdlFilePath);
            Models.WriteStorageMapping(mslFilePath);
        }
    }

    class Program
    {
        private static Generators EntityGenerators { get; set; }

        [STAThread]
        static void Main()
        {
            try
            {
                EntityGenerators = new Generators();
                EntityGenerators.CreateSsdlFile(@"\shopping.ssdl.xml");
                EntityGenerators.CreateCsdlAndMslFile(@"\shopping.csdl.xml", @"\shopping.msl.xml");
            }
            catch (Exception exception)
            {
                Console.WriteLine(exception.Message);
            }
        }
    }
}