using DM_Weight.Models;
using DM_Weight.msg;
using DM_Weight.Report;
using DM_Weight.util;
using Prism.Commands;
using Prism.Events;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace DM_Weight.ViewModels
{
    public class AccountWindowViewModel : BindableBase, INavigationAware, IRegionMemberLifetime
    {
        public static AccountWindowViewModel vm;
        //private int _pageNum = 1;
        //public int PageNum
        //{
        //    get => _pageNum;
        //    set
        //    {
        //        SetProperty(ref _pageNum, value);
        //        RequestData();
        //    }
        //}

        //private int _pageCount = 1;
        //public int PageCount
        //{
        //    get => _pageCount;
        //    set
        //    {
        //        SetProperty(ref _pageCount, value);
        //    }
        //}

        //private int _pageSize = 8;
        //public int PageSize
        //{
        //    get => _pageSize;
        //    set
        //    {
        //        SetProperty(ref _pageSize, value);
        //    }
        //}

        //private int _totalCount = 0;
        //public int TotalCount
        //{
        //    get => _totalCount;
        //    set
        //    {
        //        SetProperty(ref _totalCount, value);
        //    }
        //}
        private DateTime? _startDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);

        private DateTime? nowDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day);

        public DateTime? StartDate
        {
            get => _startDate;
            set
            {
                if (value != null)
                {
                    SetProperty(ref _startDate, new DateTime(value?.Year ?? 0, value?.Month ?? 0, value?.Day ?? 0));
                }
                else
                {
                    SetProperty(ref _startDate, value);
                }
                RequestData();
            }
        }

        private DateTime? _endDate = new DateTime(DateTime.Now.Year, DateTime.Now.Month, DateTime.Now.Day, 23, 59, 59);

        public DateTime? EndDate
        {
            get => _endDate;
            set
            {
                if (value != null)
                {
                    TimeSpan ershisi = new TimeSpan(23, 59, 59);
                    SetProperty(ref _endDate, new DateTime(value?.Year ?? 0, value?.Month ?? 0, value?.Day ?? 0, 23, 59, 59));
                }
                else
                {
                    SetProperty(ref _endDate, value);
                }

                RequestData();
            }
        }
        private static readonly DateTime Jan1st1970 = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
        /// <summary>
        /// 账册
        /// </summary>
        private List<AccountBookG2> _accountList = new();

        public List<AccountBookG2> AccountList
        {
            get => _accountList;
            set => SetProperty(ref _accountList, value);
        }
        /// <summary>
        /// 药品
        /// </summary>
        private List<DrugInfo>? _drugInfos;

        public List<DrugInfo>? DrugInfos
        {
            get => _drugInfos;
            set => SetProperty(ref _drugInfos, value);
        }
        private DrugInfo? _drugInfo;

        public DrugInfo? DrugInfo
        {
            get => _drugInfo;
            set
            {
                SetProperty(ref _drugInfo, value);
                //if (_drugInfo != null)
                //{
                //DrugManuNos = _drugInfo.DrugManuNos.OrderByDescending(dm => dm.ManuNo).ToList();
                //}
                RequestData();
            }
        }
        /// <summary>
        /// 账册类型1入2出3总结存
        /// </summary>
        private List<AccountType> _accountTypeList = new List<AccountType>() {
                new AccountType
                {
                    AccountTypeName="借入",
                    AccountTypeValue=1
                },
                new AccountType
                {
                    AccountTypeName="发出",
                    AccountTypeValue=2
                },
                new AccountType
                {
                    AccountTypeName="日结存",
                    AccountTypeValue=3
                },
                new AccountType
                {
                    AccountTypeName="总结存",
                    AccountTypeValue=4
                }
        };
        public List<AccountType>? AccountTypeList
        {
            get => _accountTypeList;
            set
            {
                SetProperty(ref _accountTypeList, value);
                RequestData();
            }
        }
        private AccountType? _accountType;
        public AccountType AccountType
        {
            get => _accountType;
            set
            {
                SetProperty(ref _accountType, value);
                RequestData();
            }
        }
        /// <summary>
        /// 药品类型
        /// </summary>
        private List<DrugType> _drugTypeList = new List<DrugType>()
        {
            new DrugType{ TypeValue=1,TypeName="精一"},
            new DrugType{TypeValue=2,TypeName="精二"}
        };
        public List<DrugType>? DrugTypeList
        {
            get => _drugTypeList;
            set
            {
                SetProperty(ref _drugTypeList, value);
            }
        }

        private DrugType? _drugType;
        public DrugType? _DrugType
        {
            get => _drugType; set
            {
                SetProperty(ref _drugType, value);
                RequestData();
            }
        }
        //MachineRecordService _machineRecordService;
        IEventAggregator _eventAggregator;
        ////private SqlSugarScope SqlSugarHelper.Db;
        public AccountWindowViewModel( IEventAggregator eventAggregator)
        {
            //_machineRecordService = machineRecord;
            ////this.SqlSugarHelper.Db = sqlSugarScope;
            _eventAggregator = eventAggregator;
            vm = this;
        }
        void RequestData()
        {
            int totalCount = 0;
            AccountList = ReportAccountBook(StartDate, EndDate, AccountType == null ? 0 : AccountType.AccountTypeValue, _DrugType == null ? 0 : _DrugType.TypeValue, DrugInfo == null ? "" : DrugInfo.DrugId.ToString() ?? "");
            //for (int i = 0; i < accountList.Count; i++)
            //{
            //    if (accountList[i].DrugInfo is null)
            //    {
            //        DrugInfo drug= new DrugInfo();
            //        drug.DrugId = accountList[i].DrugId;
            //        drug.DrugName = accountList[i].DrugName;
            //        drug.DrugSpec = accountList[i].DrugSpec;
            //        drug.Dosage= accountList[i].Dosage;
            //        drug.PackUnit= accountList[i].PackUnit;
            //        drug.Manufactory= accountList[i].Manufactory;
            //        accountList[i].DrugInfo= drug;
            //    }
            //}
            //ICollectionView vw = CollectionViewSource.GetDefaultView(accountList);
            //vw.GroupDescriptions.Add(new PropertyGroupDescription("DrugInfo"));

        }
        private void GetAllDrugInfos()
        {
            var list = SqlSugarHelper.Db.Queryable<DrugInfo>().Includes<DrugManuNo>(di => di.DrugManuNos).OrderBy(di => di.DrugId).ToList();
            DrugInfos = list;
            DrugInfo = list[0];
        }
 
        public long CurrentTimeMillis()
        {
            return (long)(DateTime.UtcNow - Jan1st1970).TotalMilliseconds;
        }
        /// <summary>
        /// 导出发药登记表
        /// </summary>
        public DelegateCommand DownloadOrderUser
        {
            get => new DelegateCommand(() => {
                GridReportUtil.OrderUseReport(StartDate, EndDate,  DrugInfo == null ? "" : DrugInfo.DrugId.ToString() ?? "");
            });
        }

        /// <summary>
        /// 导出账册
        /// </summary>
        public DelegateCommand DownloadAccountBook
        {
            get => new DelegateCommand(() =>
            {
                GridReportUtil.PrintReportAccountBook(StartDate, EndDate, AccountType == null ? 0 : AccountType.AccountTypeValue, DrugInfo == null ? "" : DrugInfo.DrugId.ToString() ?? "");

            });
        }
        /// <summary>
        /// 刷新
        /// </summary>
        public DelegateCommand Query
        {
            get => new DelegateCommand(() =>
            {
                RequestData();
            });
        }

        public bool KeepAlive => true;

        public void UpdateComboBoxItems(string text)
        {
            string str = @"SELECT d.drug_id,d.py_code,d.drug_barcode,d.drug_name,d.drug_brand_name,d.drug_spec,d.dosage,d.pack_unit,
                        d.manufactory,d.max_stock FROM `drug_info` d";
            if (string.IsNullOrEmpty(text))
            {
                DrugInfos = SqlSugarHelper.Db.SqlQueryable<DrugInfo>(str).OrderBy(di => di.DrugName).OrderBy(di => di.DrugId).ToList();
                return;
            }
            if (DrugInfos != null)
            {
                DrugInfos.Clear();
            }

            //DrugInfos = SqlSugarHelper.Db.SqlQueryable<DrugInfo>(str).Where(di => di.DrugName.Contains(text) || di.PyCode.Contains(text) || di.DrugId.Contains(text)).OrderBy(di => di.DrugName).OrderBy(di => di.DrugId).ToList();

        }

        public void OnNavigatedTo(NavigationContext navigationContext)
        {
            //药品信息
            GetAllDrugInfos();
            //查询表格数据
            RequestData();
        }

        public bool IsNavigationTarget(NavigationContext navigationContext)
        {
            return true;
        }

        public void OnNavigatedFrom(NavigationContext navigationContext)
        {
        }

        private List<AccountBookG2> ReportAccountBook(DateTime? startDate, DateTime? endDate, int type,int drugType, string drug_id = "")
        {
            DateTime? p_startDate = startDate ?? Convert.ToDateTime("2010-1-1");
            DateTime? p_endDate = endDate ?? DateTime.Now.AddDays(1);
            string p_machine_id = (ConfigurationManager.AppSettings["machineId"] ?? "DM3");
            //string jj_machine_id = (ConfigurationManager.AppSettings["jj_machineId"] ?? "DM5");
            string SQL = $@" SELECT ac.create_date as CreateDate, ac.TYPE,
	                     if(ac.type in(1,2),0,ac.yesterday_quantity) as YQuantity,if(ac.type in(3,4),0,ac.add_quantity) as AddQuantity,if(ac.type in(3,4),0,ac.out_quantity) as OutQuantity,
	                     if(ac.type in(1,2),0,ac.manu_stock) as ManuStock,ac.total_stock, -- if(ac.type in(1,2),0,ac.total_stock) as TotalStock,
	                     ac.invoice_no as InvoiceNo, ac.manu_no as ManuNo,ac.eff_date as EffDate,di.drug_id,di.drug_name as DrugName,di.drug_spec as DrugSpec,di.manufactory as Manufactory,di.pack_unit,di.dosage,u1.user_name as OperatorName,u2.user_name as ReviewerName
	                     FROM account_book_g2 ac left join drug_info di on ac.drug_id=di.drug_id left join user_list u1 on ac.user_id1=u1.id left join user_list u2 on ac.user_id2=u2.id
 		                    WHERE ac.machine_id ='{p_machine_id}' and create_time>'{p_startDate}' AND create_time<'{p_endDate}' ";
            //if (!string.IsNullOrEmpty(drug_id))
            //{
            //    SQL += " AND ac.drug_id='" + drug_id + "' ";
            //}
            if (type > 0)
            {
                if (type == 1)
                {
                    SQL += "  AND ac.add_quantity>0 ";
                }
                if (type == 2)
                {
                    SQL += " AND ac.out_quantity>0 ";
                }
                if (type == 3)
                {
                    SQL += " AND type=3 ";
                }
                if (type == 4)
                {
                    SQL += " AND type=4  ";
                }
            }
            if (drugType > 0)
            {
                SQL += $" AND di.Drug_type={drugType}";
            }
            SQL += " ORDER BY ac.create_date desc,ac.drug_id";


            //ChannelStocks = q.Select(it => { it.CheckQuantity = it.Quantity; return it; }).ToList();

            List<AccountBookG2> accountList = SqlSugarHelper.Db.SqlQueryable<AccountBookG2>(SQL)
                                                                         //.AddParameters(new
                                                                         //{
                                                                         //    machineId = ConfigurationManager.AppSettings["machineId"] ?? "DM1"
                                                                         //})
                                                                       //.Select(it => new { o = new AccountModel(), i = new DrugInfo() })
                                                                       //.Select(it=>new AccountModel())
                                                                       //.Select("*") //让上面一行不生成sql
                                                                       .ToList();

            //List<AccountModel> accountList=new List<AccountModel>();
            return accountList;
        }

    }
}