using System;

namespace LibS7Adv
{
    public interface IPlcConnection
    {
        bool IsConnected { get; }
        string Status { get; }
        string LastError { get; }
        ConnectionType ConnectionType { get; }

        // Connection methods
        bool Connect(string ipAddress, string instanceName);
        void Disconnect();

        // Bool operations
        bool? ReadBool(string address);
        bool WriteBool(string address, bool value);
        bool ReadOutputBool(byte pByte, int pBit);
        void WriteInputBool(byte pByte, int pBit, bool value);

        // Number operations  
        string ReadNumber(string address, bool signed = false);
        bool WriteNumber(string address, object value);

        // Tag operations (solo para AdvCoSimulator, retorna null para Snap7)
        object? ReadTag(string tagName);
        bool WriteTag(string tagName, object value);
        bool? ReadTagBool(string tagName);
        bool WriteTagBool(string tagName, bool value);
        int? ReadTagInt16(string tagName);
        bool WriteTagInt16(string tagName, int value);
        int? ReadTagDInt(string tagName);
        bool WriteTagDInt(string tagName, int value);

        // Area access methods
        byte[]? ReadBytes(EArea area, uint offset, int length);
        bool WriteBytes(EArea area, uint offset, byte[] data);
    }
}