using System;

using Newtonsoft.Json;

namespace HH.WCS.Mobox3.DSZSH.device {
    /// <summary>
    /// 输送线PLC设备
    /// </summary>
    public class ProductionLineDevice {

        public string Ip { get; set; }
        public int Port { get; set; }

        public ProductionLineDevice(string ip, int port) {
            Ip = ip;
            Port = port;
        }

        public ProductionLineDevice(string id, string ip, int port) {
            Ip = ip;
            Port = port;
            Id = id;
        }

        public string Id { get; set; }



        /// <summary>
        /// 系统状态：0本地 1联动(AGV模式) 2故障
        /// </summary>
        public int SystemState { get; set; }

        /// <summary>
        /// 满垛下线：1输送线末端有成品料，需要AGV搬运 0默认值
        /// </summary>
        public int FullOffline { get; set; }

        /// <summary>
        /// 呼叫托盘垛：1需要空托，呼叫AGV配送 0默认值
        /// </summary>
        public int CallPallet { get; set; }

        /// <summary>
        /// 允许 AGV 放托盘垛：1允许放垛 0默认值
        /// </summary>
        public int AllowAgvPlacePallet { get; set; }

        private int _agvPicking;
        private int _agvPlacingPallet;

        /// <summary>
        /// AGV 正在取货：下线AGV写入1，取货完成后恢复0
        /// </summary>
        public int AgvPicking {
            get => _agvPicking;
            set {
                var isOk = ModbusHelper.WriteSingleRegister(10, value, Ip, Port);
                _agvPicking = isOk ? value : throw new Exception($"修改 [AGV 正在取货] 为 '{value}' 失败");
            }
        }

        /// <summary>
        /// AGV 正在放托盘垛：上线AGV写入1，放托完成后恢复0
        /// </summary>
        public int AgvPlacingPallet {
            get => _agvPlacingPallet;
            set {
                var isOk = ModbusHelper.WriteSingleRegister(11, value, Ip, Port);
                _agvPlacingPallet = isOk ? value : throw new Exception($"修改 [AGV 正在放托盘垛] 为 '{value}' 失败");
            }
        }

        public bool LoadDeviceStateOk() {
            var readArray = ModbusHelper.ReadHoldingRegisters(0, 20, Ip, Port);
            if (readArray == null || readArray.Length < 12) {
                return false;
            }

            // 只读地址数据
            SystemState = readArray[0];
            FullOffline = readArray[1];
            CallPallet = readArray[2];
            AllowAgvPlacePallet = readArray[3];
            // 可写地址数据
            _agvPicking = readArray[10];
            _agvPlacingPallet = readArray[11];

            var log = JsonConvert.SerializeObject(readArray);
            LogHelper.Info(log);
            return true;
        }
    }
}