using Prism.Mvvm;

namespace SKMC.Api.Motion.Model
{
    /// <summary>
    /// IO模型
    /// </summary>
    public class MotionIO : BindableBase
    {
        public int VALUE_COUNTER_MAX { get; set; } = 9999;

        private string _type;

        public string Type
        {
            get { return _type; }
            set { _type = value; RaisePropertyChanged(); }
        }

        private string _code;

        public string Code
        {
            get { return _code; }
            set { _code = value; RaisePropertyChanged(); }
        }

        private string catalog;

        /// <summary>
        /// 所在(模块)分类
        /// </summary>
        public string Catalog
        {
            get { return catalog; }
            set { catalog = value; RaisePropertyChanged(); }
        }


        private byte _value = 255;

        /// <summary>
        /// 当前数值
        /// </summary>
        public byte Value
        {
            get { return _value; }
            set 
            {
                // value changed
                if (_value != value)
                {
                    _valueConunter = 0;
                    _valueLast = _value;
                }
                _value = value;
                if (_valueConunter < VALUE_COUNTER_MAX) _valueConunter++;
                RaisePropertyChanged(); 
            }
        }

        private byte _valueLast = 255;

        /// <summary>
        /// 前一个数值
        /// </summary>
        public byte ValueLast
        {
            get => _valueLast;
            set => _valueLast = value;
        }

        private int _valueConunter;

        /// <summary>
        /// 数值计数
        /// </summary>
        public int ValueCounter
        {
            get { return _valueConunter; }
            set { _valueConunter = value; }
        }

        public string ValueTxt { get => "■"; }

        private bool _testMode;

        /// <summary>
        /// 测试模式下不获取数据
        /// </summary>
        public bool TestMode
        {
            get { return _testMode; }
            set { _testMode = value; }
        }

        private string _name;

        public string Name
        {
            get { return _name; }
            set { _name = value; RaisePropertyChanged(); }
        }

        private short _devNo;

        /// <summary>
        /// IO模组设备序号
        /// </summary>
        public short DevNo
        {
            get { return _devNo; }
            set { _devNo = value; }
        }


        private short _siteNO;

        /// <summary>
        /// 在设备上的点位顺序, 从0开始
        /// </summary>
        public short SiteNo
        {
            get { return _siteNO; }
            set { _siteNO = value; }
        }

        private short _siteNoMutex;

        /// <summary>
        /// 点位互斥设置
        /// </summary>
        public short SiteNoMutex
        {
            get { return _siteNoMutex; }
            set { _siteNoMutex = value; }
        }


        private short _grpNo = 0;

        /// <summary>
        /// 逻辑组序号
        /// </summary>
        public short GrpNo
        {
            get { return _grpNo; }
            set { _grpNo = value; }
        }

        private short _bitNo;

        /// <summary>
        /// BitNo是IO在逻辑组的序号
        /// </summary>
        public short BitNo
        {
            get { return _bitNo; }
            set { _bitNo = value; }
        }

        private short _dioNo;

        /// <summary>
        /// DioNo是IO在全局的序号, 可通过GrpNo、BitNo组合计算
        /// </summary>
        public short DioNo
        {
            get { return _dioNo; }
            set { _dioNo = value; }
        }

        public string SerialName { get => $"[{Code}]: {Name}"; }

        /// <summary>
        /// 一组8位数据的映射方法
        /// </summary>
        /// <returns></returns>
        public MotionIO Set8Bit()
        {
            _grpNo = _siteNO >= 8 ? (short)(_devNo * 2 + 1) : (short)(_devNo * 2);
            _bitNo = _siteNO >= 8 ? (short)(_siteNO - 8) : _siteNO;
            _dioNo = (short)(_grpNo * 8 + _bitNo);
            return this;
        }

        /// <summary>
        /// 一组16位数据的映射方法
        /// </summary>
        /// <returns></returns>
        public MotionIO Set16Bit()
        {
            _grpNo = _devNo;
            _bitNo = _siteNO;
            _dioNo = (short)(_grpNo * 16 + _bitNo);
            return this;
        }

        public void Reset()
        {
            _value = 0;
            _valueLast = 0;
            _valueConunter = 0;
        }

        private short _invert = 0;

        /// <summary>
        /// 是否取反
        /// </summary>
        public short Invert
        {
            get { return _invert; }
            set { _invert = value; RaisePropertyChanged(); }
        }

        private short _trigger;

        // 是否为触发器 (用于流程触发)
        public short Trigger
        {
            get { return _trigger; }
            set { _trigger = value; }
        }


        private string _desc;

        public string Desc
        {
            get { return _desc; }
            set { _desc = value; RaisePropertyChanged(); }
        }

    }
}