using DeviceService.Core;
using DeviceService.Driver;
using DeviceService.Entity;
using System.Windows.Interop;

namespace DeviceService.Device
{
    [DeviceDesc("CAN")]
    public class CanDevice : NotifyBase, IDevice
    {
        private long _id;
        public long Id
        {
            get => _id;
            set
            {
                SetProperty(ref _id, value);
            }
        }

        private string _deviceId;
        public string DeviceId
        {
            get => _deviceId;
            set
            {
                SetProperty(ref _deviceId, value);
            }
        }

        private string _type = "CAN";
        public string Type
        {
            get => _type;
            private set
            {
                SetProperty(ref _type, value);
            }
        }

        private string _brand;
        public string Brand
        {
            get => _brand;
            set
            {
                SetProperty(ref _brand, value);
            }
        }

        private string _connectStr;
        public string ConnectStr
        {
            get => _connectStr;
            set
            {
                SetProperty(ref _connectStr, value);
            }
        }

        private DeviceStatus _status;
        public DeviceStatus Status
        {
            get => _status;
            set
            {
                SetProperty(ref _status, value);
            }
        }

        private AccessType _accessType;
        public AccessType AccessType
        {
            get => _accessType;
            set
            {
                SetProperty(ref _accessType, value);
            }
        }

        private ICanDriver driver;

        public bool Init(out string msg)
        {
            msg = string.Empty;
            try
            {
                driver = DriverManager.Instance.CreateDriverByTypeAndBrand<ICanDriver>(Type, Brand);
                return true;
            }
            catch (Exception ex)
            {
                msg = ex.Message;
                return false;
            }
        }

        public bool Open(out string msg)
        {
            if (driver == null)
            {
                msg = "设备尚未初始化或初始化失败。";
                return false;
            }

            var res = driver.Open(out msg);
            if (res)
            {
                Status = DeviceStatus.Busy;
            }
            return res;
        }
        public bool Close(out string msg)
        {
            if (driver == null)
            {
                msg = "设备尚未初始化或初始化失败。";
                return false;
            }

            var res = driver.Close(out msg);
            if (res)
            {
                Status = DeviceStatus.Idle;
            }
            return res;
        }

        public ResponseData HandleRequest(RequestData req)
        {
            try
            {
                if (req.DeviceId != DeviceId)
                {
                    return new ResponseData
                    {
                        Success = false,
                        Message = "设备ID不匹配"
                    };
                }
                if (string.Equals("open", req.Opt, StringComparison.OrdinalIgnoreCase))
                {
                    if (driver.Open(out string msg))
                    {
                        return new ResponseData
                        {
                            Success = true,
                            Message = msg
                        };
                    }
                    else
                    {
                        return new ResponseData
                        {
                            Success = false,
                            Message = msg
                        };
                    }
                }

                return new ResponseData
                {
                    Success = false,
                    Message = "无效的操作"
                };
            }
            catch (Exception ex)
            {
                return new ResponseData
                {
                    Success = false,
                    Message = ex.Message
                };
            }

        }
    }
}