using System;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Runtime.CompilerServices;
using System.Threading.Tasks;
using Newtonsoft.Json;
using TeamAAS.Communication.Interfaces;

namespace TeamAAS.Communication.Base
{
    public class DebugLogEntry
    {
        [JsonIgnore] public DateTime Time { get; set; }
        [JsonIgnore] public string Message { get; set; }
        public override string ToString() => $"[{Time:HH:mm:ss}] {Message}";
    }

    [Serializable]
    /// <summary>
    /// 通讯设备基类：提供 INotifyPropertyChanged + SetProperty + Id/Index/Name/TypeKey 默认实现。
    /// 设备实例本身就是配置对象（PropertyGrid 直接绑定），不再需要 Info 子类。
    /// </summary>
    public abstract class BindableCommunicationBase : ICommunication, INotifyPropertyChanged
    {
        [field:NonSerialized]
        public event PropertyChangedEventHandler PropertyChanged;

        private Guid _id = Guid.NewGuid();
        [Browsable(false)]
        public Guid Id { get { return _id; } set { SetProperty(ref _id, value); } }

        private int _index;
        [Browsable(false)]
        public int Index { get { return _index; } set { SetProperty(ref _index, value); } }

        private string _name;
        [Category("I.基础配置"), DisplayName("1.设备名称"), Description("设置设备名称")]
        public string Name { get { return _name; } set { SetProperty(ref _name, value); } }

        [Browsable(false)]
        public virtual string TypeKey => GetType().FullName;
        [Browsable(false)]
        public abstract string EndpointUrl { get; set; }

        [Category("I.基础配置"), DisplayName("2.是否已连接"), Description("是否已连接")]
        [ReadOnly(true)]
        public abstract bool IsConnected { get; }

        public abstract event Action<object, bool> ConnectChangedEvent;
        public abstract event Action<object, string> DataReceivedEvent;

        [JsonIgnore, Browsable(false)]
        public ObservableCollection<DebugLogEntry> DebugLog { get; } = new ObservableCollection<DebugLogEntry>();

        public void AppendLog(string message)
        {
            DebugLog.Add(new DebugLogEntry { Time = DateTime.Now, Message = message });
            while (DebugLog.Count > 50) DebugLog.RemoveAt(0);
        }

        public abstract void Connect();
        public abstract System.Threading.Tasks.Task ConnectAsync();
        public abstract void Disconnect();
        public abstract object ReadValue(string address);
        public abstract System.Threading.Tasks.Task<object> ReadValueAsync(string address);
        public abstract void WriteValue(string address, object value);
        public abstract System.Threading.Tasks.Task WriteValueAsync(string address, object value);
        public abstract void Dispose();

        protected bool SetProperty<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
        {
            if (Equals(field, value)) return false;
            field = value;
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
            return true;
        }

        protected void Notify([CallerMemberName] string propertyName = null)
        {
            PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
        }
    }
}