using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using iBoxDB.LocalServer;
using POSV.Entity;
using POSV.Entity.Pormotion;
using iBoxDB.LocalServer.IO;

namespace POSV.HttpApi
{
    public class DownloadCache
    {
        private static object _lock = new object();

        private static DownloadCache _instance = null;

        private static NLog.Logger logger = NLog.LogManager.GetCurrentClassLogger();

        private static string root = Path.Combine(AppDomain.CurrentDomain.BaseDirectory , "data" + Path.DirectorySeparatorChar + "v2");


        private DB db = null;

        private AutoBox auto = null;

        private DownloadCache()
        {
                        
        }

        private void Init()
        {
            try
            {
                if (!Directory.Exists(root))
                {
                    Directory.CreateDirectory(root);
                }

                DB.Root(root);//数据库存储路径
                
                long address = (int)NoSql.Download;

                iBoxDB.DBDebug.DDebug.DeleteDBFiles(address);

               
                this.db = new DB(address);//数据库地址

                var config = this.db.GetConfig();

                //config.DBConfig.FileIncSize = 1024 * 1024 * 256;
                //config.DBConfig.SwapMemoryBuffer = 1024 * 1024 * 128;
                //config.DBConfig.SwapFileBuffer = 1024 * 1024 * 256;

                RegisterTable(config);

                if (this.auto == null)
                {
                    this.auto = this.db.Open();
                }
            }
            catch (Exception ex)
            {
                logger.Error(ex, "缓存系统初始化异常");
            }
        }

        private void RegisterTable(DatabaseConfig.Config config)
        {
            //操作员缓存
            config.EnsureTable<Worker>(DownloadCacheName.Worker.ToString() , "Id");
            //门店营业方案
            config.EnsureTable<BusinessPlan>(DownloadCacheName.BusinessPlan.ToString() , "Id");
            //商品类别信息
            config.EnsureTable<ProductType>(DownloadCacheName.ProductType.ToString() , "Id");
            //商品信息
            config.EnsureTable<Product>(DownloadCacheName.Product.ToString() , "Id");
            //单位信息
            config.EnsureTable<ProductUnit>(DownloadCacheName.ProductUnit.ToString() , "Id");
            //图片信息
            config.EnsureTable<ProductImage>(DownloadCacheName.ProductImage.ToString() , "Id");
            //门店仓库
            config.EnsureTable<StoreStorage>(DownloadCacheName.StoreStorage.ToString(), "Id");
            //商品库存
            config.EnsureTable<ProductStock>(DownloadCacheName.ProductStock.ToString(), "Id");
            //库存系数
            config.EnsureTable<ProductRatio>(DownloadCacheName.ProductRatio.ToString(), "Id");
            //规格信息
            config.EnsureTable<ProductSpec>(DownloadCacheName.ProductSpec.ToString() , "Id");
            //做法类型
            config.EnsureTable<ProductMakeType>(DownloadCacheName.ProductMakeType.ToString() , "Id");
            //做法信息
            config.EnsureTable<ProductMakeDetail>(DownloadCacheName.ProductMakeDetail.ToString() , "Id");
            //私有做法信息
            config.EnsureTable<ProductMakeDetailPrivate>(DownloadCacheName.ProductMakeDetailPrivate.ToString(), "Id");
            //套菜
            config.EnsureTable<ProductSuit>(DownloadCacheName.ProductSuit.ToString() , "Id");
            //套菜明细
            config.EnsureTable<ProductSuitDetail>(DownloadCacheName.ProductSuitDetail.ToString() , "Id");
            //班次方案
            config.EnsureTable<BusinessPlanDetail>(DownloadCacheName.BusinessPlanDetail.ToString() , "Id");
            //付款类型
            config.EnsureTable<PayType>(DownloadCacheName.PayType.ToString() , "Id");
            //收银方式
            config.EnsureTable<PayMode>(DownloadCacheName.PayMode.ToString() , "Id");
            //餐桌区域
            config.EnsureTable<TableArea>(DownloadCacheName.TableArea.ToString() , "Id");
            //餐桌类型
            config.EnsureTable<TableType>(DownloadCacheName.TableType.ToString() , "Id");
            //餐桌信息
            config.EnsureTable<Table>(DownloadCacheName.Table.ToString() , "Id");
            //门店品牌
            config.EnsureTable<Brand>(DownloadCacheName.Brand.ToString() , "Id");
            //员工角色
            config.EnsureTable<WorkerRole>(DownloadCacheName.WorkerRole.ToString() , "Id");
            //员工权限
            config.EnsureTable<WorkerPermissions>(DownloadCacheName.WorkerPermissions.ToString() , "Id");
            //厨打方案
            config.EnsureTable<KitPlan>(DownloadCacheName.KitPlan.ToString(), "Id");
            //厨打商品
            config.EnsureTable<KitProduct>(DownloadCacheName.KitProduct.ToString(), "Id");
            //厨显方案
            config.EnsureTable<KdsPlan>(DownloadCacheName.KdsPlan.ToString(), "Id");
            //厨显商品
            config.EnsureTable<KdsProduct>(DownloadCacheName.KdsProduct.ToString(), "Id");
            //打印机信息
            config.EnsureTable<POSV.Entity.Printer>(DownloadCacheName.Printer.ToString() , "Id");
            //读卡器信息
            config.EnsureTable<Carder>(DownloadCacheName.Carder.ToString() , "Id");
            //门店信息
            config.EnsureTable<StoreInfo>(DownloadCacheName.StoreInfo.ToString(), "Id");
            //门店小票图片信息
            config.EnsureTable<StorePrintImage>(DownloadCacheName.StorePrintImage.ToString(), "Id");
            //门店双屏图片信息
            config.EnsureTable<AdvertPictures>(DownloadCacheName.AdvertPicture.ToString(), "Id");
            //门店双屏字幕信息
            config.EnsureTable<AdvertCaption>(DownloadCacheName.AdvertCaption.ToString(), "Id");
            //饿了么映射关系
            config.EnsureTable<MappingDishEleMe>(DownloadCacheName.MappingDishEleMe.ToString(), "Id");
            //美团映射关系
            config.EnsureTable<MappingDishMeiTuan>(DownloadCacheName.MappingDishMeiTuan.ToString(), "Id");
            //百度映射关系
            config.EnsureTable<MappingDishBaiDu>(DownloadCacheName.MappingDishBaiDu.ToString(), "Id");
            //门店费用项目列表
            config.EnsureTable<Feeitem>(DownloadCacheName.Feeitem.ToString(), "Id");
            //门店熟客信息
            config.EnsureTable<Visitor>(DownloadCacheName.Visitor.ToString() , "Id");
            //门店熟客标签
            config.EnsureTable<VisitorTag>(DownloadCacheName.VisitorTag.ToString() , "Id");
            //门店熟客地址
            config.EnsureTable<VisitorAddress>(DownloadCacheName.VisitorAddress.ToString() , "Id");
            //线上促销
            config.EnsureTable<CardPromotion>(DownloadCacheName.CardProDay.ToString(), "Id");
            //门店促销
            config.EnsureTable<PromotionTask>(DownloadCacheName.PromotionStoreTask.ToString(), "Id");
            //门店优惠券
            config.EnsureTable<StoreCoupon>(DownloadCacheName.PromotionStoreCoupon.ToString(), "Id");
            //充值支付参数
            config.EnsureTable<RechargeParameter>(DownloadCacheName.RechargeParameter.ToString(), "Id");
            //设置支付参数
            config.EnsureTable<SetPlan>(DownloadCacheName.SetPlan.ToString(), "Id");
            //商品耗料配方
            config.EnsureTable<ProductBurden>(DownloadCacheName.ProductBurden.ToString(), "Id");
            //做法耗料配方
            config.EnsureTable<MakeBurden>(DownloadCacheName.MakeBurden.ToString(), "Id");
            //门店商品优惠券
            config.EnsureTable<StoreProductCoupon>(DownloadCacheName.StoreProductCoupon.ToString(), "Id");
            //缓存待更新的Sql语句
            config.EnsureTable<DownloadSqlCache>(DownloadCacheName.SqlCache.ToString() , "Id");
            
        }

        public static DownloadCache Instance
        {
            get
            {
                if (_instance == null)
                {
                    lock (_lock)
                    {
                        _instance = new DownloadCache();
                        
                        _instance.Init();
                    }
                }

                return _instance;
            }
        }

        /// <summary>
        /// IBox可以进行数据库的事务操作
        /// </summary>
        public AutoBox AutoBox
        {
            get
            {
                return _instance.auto;
            }
        }

        /// <summary>
        /// IBox可以进行数据库的事务操作
        /// </summary>
        public IBox AutoBoxTransaction
        {
            get
            {
                return AutoBox.Cube();
            }
        }

        /// <summary>
        /// 删除数据库，IBoxDB中没有直接删除一个表的接口，所以这个方法显得格外亲切~
        /// 注意：删除数据库之前要关闭该数据库
        /// </summary>
        /// <param name="address">数据库地址</param>
        public static void ClearAll()
        {
            try
            {
                if (Directory.Exists(root))
                {
                    if (DownloadCache.Instance.db != null)
                    {
                        DownloadCache.Instance.AutoBox.GetDatabase().Dispose();

                        DownloadCache.Instance.db.Close();

                        DownloadCache.Instance.db.Dispose();
                    }

                    DownloadCache.Instance.db = null;

                    logger.Info("清理已下载的缓存数据....");
                    iBoxDB.LocalServer.DB.Root(root);
                    iBoxDB.DBDebug.DDebug.DeleteDBFiles((int)NoSql.Download);

                    logger.Info("缓存数据清理成功....");

                    _instance = null;
                }
            }
            catch (Exception ex)
            {
                logger.Error(ex , "清理缓存异常");
            }

        }
    }

    public class BoxDBServer : LocalDatabaseServer
    {
        protected override DatabaseConfig BuildDatabaseConfig(long address)
        {
            return new BoxMemoryStreamConfig();
        }
    }
}