using CCDCount.DLL.AlarmTools;
using LogClass;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CCDCount.DLL.CanBus
{
    public class CanManagerClass
    {
        UInt32 m_devtype = 4;//USBCAN2
        UInt32 m_devind = 0;
        UInt32 m_canind = 0;
        int DataLen = 8;

        VCI_INIT_CONFIG config = new VCI_INIT_CONFIG();

        public void OpenDevice()
        {
            if (CanLibraryClass.VCI_OpenDevice(m_devtype, m_devind, 0) == 0)
            {
                Console.WriteLine("打开设备失败,请检查设备类型和设备索引号是否正确");
                return;
            }
        }

        public void InitCan()
        {
            //初始化CAN
            config.AccCode = Convert.ToUInt32("0x00000000", 16);
            config.AccMask = Convert.ToUInt32("0xFFFFFFFF", 16);
            config.Timing0 = Convert.ToByte("0x00", 16);
            config.Timing1 = Convert.ToByte("0x14", 16);
            config.Filter = (Byte)1;
            config.Mode = (Byte)0;

            if (CanLibraryClass.VCI_InitCAN(m_devtype, m_devind, m_canind, ref config) == 0)
            {
                Console.WriteLine("初始化Can失败");
                SystemAlarm.AlarmAlert(AlarmMessageList.CAN连接失败,"CAN Connect Error", "CAN连接失败","CanManagerClass-InitCan");
                return;
            }
            if (CanLibraryClass.VCI_StartCAN(m_devtype, m_devind, m_canind) == 0)
            {
                Console.WriteLine("开启Can失败");
                SystemAlarm.AlarmAlert(AlarmMessageList.CAN连接失败, "CAN Connect Error", "CAN连接失败", "CanManagerClass-InitCan");
                return;
            }
            SystemAlarm.AlarmCancel(AlarmMessageList.CAN连接失败);
        }

        public unsafe bool SenMessage(CanSenMessage senMessage)
        {
            bool result = false;
            VCI_CAN_OBJ sendobj = new VCI_CAN_OBJ();
            sendobj.RemoteFlag = (byte)(0);
            sendobj.ExternFlag = (byte)(0);
            sendobj.ID = Convert.ToUInt32(Convert.ToString(0, 16), 16);
            sendobj.DataLen = Convert.ToByte(DataLen);
            string str = "";

            byte SendMessage0 = new byte();
            SendMessage0 = senMessage.SendDate;
            sendobj.Data[0] = SendMessage0;

            //byte SendMessage1 = new byte();
            //SendMessage1 |= (byte)(1 << 0);
            //sendobj.Data[1] = SendMessage1;

            byte SendMessage6 = new byte();
            SendMessage6 = (byte)(1 << 0);
            sendobj.Data[6] = SendMessage6;

            byte SendMessage7 = new byte();
            if (!senMessage.IsOK)
                SendMessage7 |= (byte)(1 << senMessage.TaiHao);
            sendobj.Data[7] = SendMessage7;

            str += "发送数据：";
            str += string.Format("byte0:{0},byte6:{1},byte7:{2}",
                SendMessage0.ToString("000"),
                SendMessage6.ToString("000"), SendMessage7.ToString("000"));


            if (CanLibraryClass.VCI_Transmit(m_devtype, m_devind, m_canind, ref sendobj, 1) == 0)
            {
                Console.WriteLine("发送失败");
                return result;
            }
            LOG.log(str, 6);
            result = true;
            return result;
        }

        int previousWriteDone = 0;
        public unsafe bool GetTrigger(ref bool isFrist)
        {
            bool result = false;
            UInt32 res = new UInt32();
            VCI_CAN_OBJ[] m_recobj = new VCI_CAN_OBJ[1000];
            res = CanLibraryClass.VCI_Receive(m_devtype, m_devind, m_canind, ref m_recobj[0], 1000, 100);
            if (res == 0xFFFFFFFF) res = 0;
            if (res != 0)
            {
                for (UInt32 i = 0; i < res; i++)
                {
                    if (m_recobj[i].RemoteFlag == 0)
                    {
                        int writeDone = -1;
                        fixed (VCI_CAN_OBJ* m_recobj1 = &m_recobj[i])
                        {
                            writeDone = m_recobj1->Data[6] & 0x01;
                            if(isFrist)
                            {
                                previousWriteDone = writeDone == 0 ? 1 : 0;
                                isFrist = false;
                                LOG.log(string.Format(
                                    "通讯状态初始化，prevateWriteDone:{0},WriteDone:{1},IsFrist:{2}",
                                    previousWriteDone, writeDone, isFrist), 6);
                            }
                        }
                        if ((writeDone == 1 && previousWriteDone == 0) || (writeDone == 0 && previousWriteDone == 1))
                        {
                            result = true;
                        }
                        previousWriteDone = writeDone;
                    }
                }
            }
            return result;
        }

        public void CloseCan()
        {
            if(CanLibraryClass.VCI_ResetCAN(m_devtype, m_devind, m_canind)==0)
            {
                LOG.error("CAN关闭失败");
            }
        }
    }
}