using CnasSynchronusClient;
using CnasSynchrousModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;

namespace CNAS_Authorize
{
    public class Machine
    {
        public string FactoryName { get; set; }
        public string MachineCode { get; set; }
        public string ImportTime { get; set; }
        public bool IsGenerated { get; set; }

        public Machine(string name, string code, string time, bool isGen)
        {
            FactoryName = name;
            MachineCode = code;
            ImportTime = time;
            IsGenerated = isGen;
        }

    }

    class MachineAuth
    {
        /// <summary>
        /// 所有数据行
        /// </summary>
        private List<Machine> m_machines;
        /// <summary>
        /// 编码过滤
        /// </summary>
        private string m_filter_code;
        /// <summary>
        /// 名称过滤
        /// </summary>
        private string m_filter_factory;
        //以下都是过滤过的数据
        /// <summary>
        /// 过滤过的数据
        /// </summary>
        private List<Machine> m_rangle;
        /// <summary>
        /// 过滤过的当前页
        /// </summary>
        private List<Machine> m_page;
        /// <summary>
        /// 每页数量
        /// </summary>
        private int m_pageSize;
        /// <summary>
        /// 页号
        /// </summary>
        private int m_pageIndex;
        /// <summary>
        /// 总页数
        /// </summary>
        private int m_pageCount;


        public MachineAuth()
        {
            m_pageSize = 10;
            m_pageIndex = 1;
        }
        DataBaseInfo targetDataBase = new DataBaseInfo();
        public void Load()
        {
            //加载CNAS数据库配置
            targetDataBase = FileOperation.GetLocalCnasDB();
            if (!CnasDataOperationFact.CnasDataOperation().TestConnect(targetDataBase))
            {
                MessageBox.Show("CNAS数据库无法正常连接...", "提示");
                return;
            }


            m_machines = new List<Machine>();
            ////1.加载数据
            DataTable dtmacaddressinfo = CnasDataOperationFact.CnasDataOperation().GetTableData(targetDataBase, "select * from macaddress");
            if (dtmacaddressinfo != null && dtmacaddressinfo.Rows.Count > 0)
            {
                List<string> lstCnasTables = new List<string>();
                foreach (DataRow dr in dtmacaddressinfo.Rows)
                {
                    Machine m = new Machine( dr["PLANTCODE"].ToString(), dr["MAC_ADDRESS"].ToString(), dr["CREATETIME"].ToString(), true);
                    m_machines.Add(m);
                    lstCnasTables.Add(dr["MAC_ADDRESS"].ToString());
                }
            }

            m_rangle = new List<Machine>();
            m_rangle.AddRange(m_machines);

            m_pageSize = 10;
            m_pageIndex = 1;
            m_pageCount = (m_rangle.Count / m_pageSize) + (m_rangle.Count % m_pageSize == 0 ? 0 : 1);

            m_page = getPageData(m_pageIndex);

        }

        public int PageSize
        {
            get { return m_pageSize; }
            set
            {
                m_pageSize = value;
                updateView();
            }
        }

        public string CurrentPage
        {
            get
            {
                return m_pageCount == 0 ? "" : string.Format("{0} / {1}", m_pageIndex, m_pageCount);
            }
            set
            {

            }
        }

        public int TotalCount
        {
            get
            {
                return m_machines == null ? 0 : m_machines.Count;
            }
            set
            {

            }
        }

        private void updateView()
        {
            List<Machine> view = new List<Machine>();
            if (!string.IsNullOrEmpty(m_filter_code) || !string.IsNullOrEmpty(m_filter_factory))
            {
                foreach (Machine item in m_machines)
                {
                    bool flag = true;
                    if (!string.IsNullOrEmpty(m_filter_code))
                    {
                        if (item.MachineCode.IndexOf(m_filter_code) == -1)
                        {
                            flag = false;
                        }
                    }
                    if (!string.IsNullOrEmpty(m_filter_factory))
                    {
                        if (item.FactoryName.IndexOf(m_filter_factory) == -1)
                        {
                            flag = false;
                        }
                    }
                    if (flag)
                    {
                        view.Add(item);
                    }
                }
            }
            else
            {
                view.AddRange(m_machines);
            }
            m_rangle = view;
            m_pageIndex = 1;
            m_pageCount = (m_rangle.Count / m_pageSize) + (m_rangle.Count % m_pageSize == 0 ? 0 : 1);
            m_page = getPageData(m_pageIndex);
        }

        public void ChangeFilter(string code, string factory)
        {
            this.m_filter_code = code;
            this.m_filter_factory = factory;

            updateView();
        }

        public List<Machine> Page
        {
            get
            {
                return m_page;
            }
        }

        private List<Machine> getPageData(int pageIndex)
        {
            int index = (pageIndex - 1) * m_pageSize;
            List<Machine> page = new List<Machine>(m_pageSize);
            for (int i = 0; i < m_pageSize && index < m_rangle.Count; i++)
            {
                page.Add(m_rangle[index]);
                index++;
            }
            return page;
        }

        public List<Machine> NextPage(out bool ok)
        {
            int index = m_pageIndex * m_pageSize;
            if (m_rangle == null || index >= m_rangle.Count)
            {
                ok = false;
                return null;
            }

            m_pageIndex++;
            m_page = getPageData(m_pageIndex);

            ok = true;
            return m_page;
        }

        public List<Machine> PrevPage(out bool ok)
        {
            if (m_pageIndex == 1 || m_rangle == null)
            {
                ok = false;
                return null;
            }
            m_pageIndex--;

            m_page = getPageData(m_pageIndex);

            ok = true;
            return m_page;

        }


    }
}