using System;
using Modbus.Device;
using static System.Console;

namespace ProtosXdigitalDemo
{
    internal class InputReader
    {
        private readonly ModbusIpMaster _master;

        public InputReader(ModbusIpMaster master)
        {
            _master = master;
        }

        public void ReadAll()
        {
            WriteLine("Reading all discrete inputs…");
            try
            {
                bool[] inputs = _master.ReadInputs(0, ChannelCache.DigitalInputCount);
                Display(inputs);
            }
            catch (Exception ex)
            {
                WriteLine($"[Error] Reading inputs failed → {ex.Message}");
                PromptKey("Press any key to continue…");
            }
        }

        private void Display(bool[] inputs)
        {
            WriteLine("Discrete Inputs:");
            for (int i = 0; i < inputs.Length; i++)
            {
                string state = inputs[i] ? "On" : "Off";
                WriteLine($"  Input #{i + 1}: {state}");
            }
        }

        private void PromptKey(string prompt)
        {
            WriteLine(prompt);
            ReadKey(intercept: true);
        }
    }
}