using Terminal;
using DatabaseDLL;
using System.Collections.Generic;
using System.Threading.Tasks;
using PLCS7;
using System;
using System.Text;
using MySql.Data.MySqlClient;
using System.Threading;

namespace Terminal
{
    public class Terminal : ITerminalDisplay
    {
        public static List<TerminalStru> terminalInfo = new List<PLCS7.TerminalStru>();
        public static Dictionary<int, string> idLicMap = new Dictionary<int, string>();
        public static bool isClosing = false;

        public void FeeCal()
        {

        }

        public void GetTerminalState()
        {

        }

        public List<object> GetParkingRecords()
        {
            return null;
        }

        public List<object> GetOrderRecords()
        {
            return null;
        }

        private object SearchPaymentScheme()
        {
            return null;
        }

        private void UpdateParkingRecords(int Object)
        {

        }

        private void UpdateAllParkingSpace()
        {
            string findParkingSpace = "select parkingSpaceID from parkingspace;";
            MySqlDataReader reader = Monitor.Monitor.localDBOper.Query(findParkingSpace);
            HashSet<int> recordsIDSet = new HashSet<int>();
            if (reader != null)
            {
                while (reader.Read())
                {
                    if (reader.HasRows)
                    {
                        recordsIDSet.Add(reader.GetInt32("parkingSpaceID"));
                    }
                }
            }
            List<string> updateSpaceList = new List<string>();
            List<string> insertSpaceList = new List<string>();
            string updateParkingSpace = "";
            string insertParkingSpace = "";
            for (int i = 0; i < Monitor.Monitor.parkingSpaceInfo.Count; i++)
            {
                if (recordsIDSet.Contains(Monitor.Monitor.parkingSpaceInfo[i].parkingSpace))
                {
                    updateParkingSpace = "update parkingspace set parkingSpaceX = " + Monitor.Monitor.parkingSpaceInfo[i].coordX +
                        ",parkingSpaceY = " + Monitor.Monitor.parkingSpaceInfo[i].coordY + ",parkingSpaceZ = " + Monitor.Monitor.parkingSpaceInfo[i].floorNo + ",parkingSpaceState = " + Monitor.Monitor.parkingSpaceInfo[i].spaceStatus + " where (parkingSpaceID = " + Monitor.Monitor.parkingSpaceInfo[i].parkingSpace + ");";
                    updateSpaceList.Add(updateParkingSpace);
                }
                else
                {
                    insertParkingSpace = "insert into parkingspace (parkingSpaceID,parkingSpaceX,parkingSpaceY,parkingSpaceZ,parkingSpaceState) values (" + Monitor.Monitor.parkingSpaceInfo[i].parkingSpace + "," + Monitor.Monitor.parkingSpaceInfo[i].coordX +
                        "," + Monitor.Monitor.parkingSpaceInfo[i].coordY + "," + Monitor.Monitor.parkingSpaceInfo[i].floorNo + "," + Monitor.Monitor.parkingSpaceInfo[i].spaceStatus + ");";
                    insertSpaceList.Add(insertParkingSpace);
                }
            }

        }
        /// <summary>
        /// 从终端结构体中获得车牌号
        /// </summary>
        /// <param name="ts"></param>
        /// <returns></returns>
        private string GetLicenseFromTerm(TerminalStru ts)
        {
            string header = Encoding.ASCII.GetString(BitConverter.GetBytes(ts.licenseCodeB));
            string identityA = Encoding.ASCII.GetString(BitConverter.GetBytes(ts.licenseCodeC));
            byte[] bytes = BitConverter.GetBytes(ts.licenseCodeD);
            List<byte> newBytes = new List<byte>();
            for (int i = 0; i < bytes.Length; i++)
            {
                if (bytes[i] != 0x00) { newBytes.Add(bytes[i]); }
            }
            string identityB = Encoding.ASCII.GetString(newBytes.ToArray());
            return header + identityA + identityB;
        }
        /// <summary>
        /// 更新车辆状态
        /// </summary>
        /// <param name="lic"></param>
        /// <param name="state"></param>
        private void UpdateVehicle(string lic, int state, int parkingRecordsID, bool park, bool remote)
        {
            MySqlDataReader reader;
            //查询车辆是否在车辆表中
            string checkVehicleState = "select * from vehicle where numberPlate = '" + lic + "';";
            if (!remote)
            {
                reader = Monitor.Monitor.localDBOper.Query(checkVehicleState);
            }
            else
            {
                reader = Monitor.Monitor.remoteDBOper.Query(checkVehicleState);
            }
            if (reader != null)
            {
                //更新车辆状态
                string updateVehicleState = "";
                if (park)
                {
                    updateVehicleState = "update vehicle set vehiclepParkState = " + state + " ,parkingRecordsID = " + parkingRecordsID + " where numberPlate = '" + lic + "';";
                }
                else
                {
                    updateVehicleState = "update vehicle set vehiclepParkState = " + state + " where numberPlate = '" + lic + "';";
                }
                List<string> list = new List<string>();
                list.Add(updateVehicleState);
                if (!remote)
                {
                    Monitor.Monitor.localDBOper.UpdateTransaction(list);
                }
                else
                {
                    Monitor.Monitor.localDBOper.UpdateTransaction(list);
                }
            }
            else
            {
                //插入车辆
                string insertVehicleWithState = "";
                if (park)
                {
                    insertVehicleWithState = "insert into vehicle (numberPlate,vehicleTypeID,vehiclepParkState,parkingRecordsID) values " +
                    "('" + lic + "',NULL,'" + state + "'," + parkingRecordsID + ");";
                }
                else
                {
                    Console.WriteLine("明显异常，取车发现无车辆");
                    return;
                }

                List<string> list = new List<string>();
                list.Add(insertVehicleWithState);
                if (!remote)
                {
                    Monitor.Monitor.localDBOper.Insert(list);
                }
                else
                {
                    Monitor.Monitor.remoteDBOper.Insert(list);
                }
            }
        }
        /// <summary>
        /// 停车流程，收到号牌机启动后操作过程
        /// </summary>
        private void ParkNumSubProcess()
        {
            int numMachineLaunch = Monitor.Monitor.mainBlockInfo.numMachineLaunch;
            if (numMachineLaunch != 0)
            {
                for (int i = 0; i < terminalInfo.Count; i++)
                {
                    //启动指令与终端id匹配
                    if (numMachineLaunch == terminalInfo[i].terminalID)
                    {
                        TerminalStru term = terminalInfo[i];
                        if (term.terminalStatus == (short)0)
                        {
                            string license = Monitor.Monitor.numMachineLinker.GetLicensePlate(numMachineLaunch);
                            if (license != "")
                            {
                                //记录或更新当前号牌
                                lock (idLicMap)
                                {
                                    if (idLicMap.ContainsKey(numMachineLaunch))
                                    {
                                        idLicMap[numMachineLaunch] = license;
                                    }
                                    else
                                    {
                                        idLicMap.Add(numMachineLaunch, license);
                                    }
                                }
                                //注册
                                if (term.btnStatus == (short)0)
                                {
                                    int userID = term.licenseCodeA;
                                    string userLicense = GetLicenseFromTerm(term);
                                    TerminalStru ts = new TerminalStru
                                    {
                                        paymentStatus = -1,
                                        parkingFee = -1,
                                        userType = -1
                                    };
                                    //与云端数据比对
                                    string checkNetSql = "select * from user where userID=1;";
                                    if (Monitor.Monitor.remoteDBOper.Query(checkNetSql) != null)
                                    {
                                        string userInfoCheckSql = "select * from usercarrelation where userID = '" + userID + "'and numberPlate = '" + userLicense + "';";
                                        MySqlDataReader reader = Monitor.Monitor.remoteDBOper.Query(userInfoCheckSql);
                                        if (reader == null)
                                        {
                                            ts.licVerification = 2;//验证失败
                                            Monitor.Monitor.PLC.WriteToPLC(ts, PLCDataType.central);
                                        }
                                        else
                                        {
                                            ts.licVerification = 1;//验证成功
                                            Monitor.Monitor.PLC.WriteToPLC(ts, PLCDataType.central);
                                        }
                                    }
                                    else
                                    {
                                        ts.licVerification = 1;//网络异常，跳过验证
                                        Monitor.Monitor.PLC.WriteToPLC(ts, PLCDataType.central);
                                    }
                                    //告知PLC获取号牌
                                    MainBlockStru mb = new MainBlockStru
                                    {
                                        licenseReceived = (short)1
                                    };
                                    Monitor.Monitor.PLC.WriteToPLC(mb, PLCDataType.central);
                                }
                                //非注册
                                else
                                {
                                    MainBlockStru mb = new MainBlockStru
                                    {
                                        licenseReceived = (short)1
                                    };
                                    Monitor.Monitor.PLC.WriteToPLC(mb, PLCDataType.central);
                                }
                            }
                        }
                    }
                }
            }
        }
        /// <summary>
        /// 停车相关操作
        /// 1.读取到号牌机启动指令，启动号牌机并根据是否注册用户进行操作
        ///     非注册拿到号牌后记录并告知plc
        ///     注册用户，核对号牌与用户关联信息
        /// 2.停车流程结束,写数据库
        /// </summary>
        private void ParkProcess()
        {
            //1.号牌机启动
            Task.Factory.StartNew(() =>
            {
                while (!isClosing)
                {
                    ParkNumSubProcess();
                    Thread.Sleep(Monitor.Monitor.plcRefreshInterval);
                }
            });

            //2.停车流程结束
            int processAttrib = Monitor.Monitor.mainBlockInfo.parkingRunning;
            int processCompleted = Monitor.Monitor.mainBlockInfo.processCompleted;
            int currentTerm = Monitor.Monitor.mainBlockInfo.terminalID;
            int parkingSpaceID = 0;
            if (processAttrib == 1 && processCompleted == 1)
            {
                TerminalStru term;
                string license;
                //找到终端号，判断是否注册用户
                for (int i = 0; i < terminalInfo.Count; i++)
                {
                    //拿到号牌
                    if (terminalInfo[i].terminalID == currentTerm && idLicMap.TryGetValue(currentTerm, out license) && license != "")
                    {
                        term = terminalInfo[i];
                        //找到停车位置
                        for (int s = 0; s < Monitor.Monitor.parkingSpaceInfo.Count; s++)
                        {
                            if (Monitor.Monitor.parkingSpaceInfo[i].receiptNum == term.receiptNum)
                            {
                                parkingSpaceID = Monitor.Monitor.parkingSpaceInfo[i].parkingSpace;
                                break;
                            }
                        }
                        //无车位信息则跳出当前循环
                        if (parkingSpaceID == 0) break;
                        //插入停车记录
                        string parkingRecordsSql = "";
                        if (term.licenseCodeA != 0)
                        {
                            parkingRecordsSql = "INSERT INTO parkingrecords (userID, numberPlate,parkingSpaceID,garageID,parkingRecordsState,realParkTime,receiptNum,parkingPrice)" +
                                "values ('" + term.licenseCodeA + "','" + license + "','" + parkingSpaceID + "','" + Monitor.Monitor.garageID + "',3,'" + DateTime.Now.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss") + "','" + term.receiptNum + "',NULL);";
                        }
                        else
                        {
                            parkingRecordsSql = "INSERT INTO parkingrecords (userID, numberPlate,parkingSpaceID,garageID,parkingRecordsState,realParkTime,receiptNum,parkingPrice)" +
                                "values ('" + 1 + "','" + license + "','" + parkingSpaceID + "','" + Monitor.Monitor.garageID + "',3,'" + DateTime.Now.ToLocalTime().ToString("yyyy-MM-dd HH:mm:ss") + "','" + term.receiptNum + "',NULL);";
                        }
                        List<string> list = new List<string>();
                        list.Add(parkingRecordsSql);
                        Monitor.Monitor.localDBOper.Insert(list);
                        //查询记录ID号
                        string findRecordSql = "select parkingRecordsID from parkingrecords where receiptNum = " + term.receiptNum + ";";
                        MySqlDataReader reader = Monitor.Monitor.localDBOper.Query(findRecordSql);
                        int parkingRecordsID = 0;
                        try { parkingRecordsID = reader.GetInt32("parkingRecordsID"); } catch (Exception) { break; };
                        //更新本地车辆表
                        UpdateVehicle(license, parkingRecordsID, 1, true, false);


                        //注册用户加入云端操作
                        if (term.btnStatus == 0)
                        {
                            //string
                            //Monitor.Monitor.remoteDBOper()
                        }
                    }
                }
            }
        }
        private void FetchProcess()
        {

        }

        public void Start()
        {
            Task.Factory.StartNew(() =>
            {

            });
        }

        public void Stop()
        {
            isClosing = true;
        }
    }

}