using OpcUaHelper;
using System;
using System.Threading.Tasks;
using TeamAAS_VP.Enums;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;

namespace TeamAAS_VP.Core.PLCs
{
    /// <summary>
    /// 三菱 MC 协议 PLC，封装 <see cref="MitsubishiPLC"/> 并实现 <see cref="IPlc"/> 供 PlcService 统一管理。
    /// </summary>
    public class MitsubishiMcPLC : IPlc
    {
        public MitsubishiPLC Client { get; private set; }

        public Guid Id { get; private set; }

        public CommunicationType CommunicationType { get; private set; }

        public string EndpointUrl { get; private set; }

        public string Name { get; private set; }

        public OpcUaClient OpcUaClient => null;

        public bool IsConnected => Client != null && Client.IsConnected;

        public event Action<object, bool> ConnectChangedEvent;

        public MitsubishiMcPLC(PlcInfo plcInfo)
        {
            if (plcInfo == null)
                throw new ArgumentNullException(nameof(plcInfo));

            Id = plcInfo.Id;
            Name = plcInfo.Name;
            CommunicationType = plcInfo.CommunicationType;
            EndpointUrl = plcInfo.PlcIp + ":" + plcInfo.PlcPort;
            Client = new MitsubishiPLC(plcInfo.PlcIp, plcInfo.PlcPort);
            Client.ConnectionLost += () => ConnectChangedEvent?.Invoke(this, false);
        }

        public void Connect()
        {
            bool connected = Client.Connect();
            ConnectChangedEvent?.Invoke(this, connected);
        }

        public Task ConnectAsync()
        {
            return Task.Run(Connect);
        }

        public void Disconnect()
        {
            Client.Disconnect();
            ConnectChangedEvent?.Invoke(this, false);
        }

        public void Dispose()
        {
            Client.Dispose();
        }
    }
}