using Akari.Provider.WaveshareUART.Users;
using System;
using System.IO;
using WaveshareUARTFingerprintSensor;

namespace Akari.Provider.WaveshareUART
{
    public class WaveshareUARTProvider
    {
        public const string SerialPortFilePath = "serial.txt";
        public const string ServerIPFilePath = "ip.txt";
        public const string ServerPortFilePath = "port.txt";

        public static WaveshareUARTProvider Instance { get; }

        static WaveshareUARTProvider()
        {
            Instance = new WaveshareUARTProvider();
        }

        public UsersManager UsersManager { get; }
        public FingerprintSensor FingerprintSensor { get; private set; }

        private WaveshareUARTProvider()
        {
            UsersManager = new UsersManager();
        }

        public void InitSensor()
        {
            try
            {
                FingerprintSensor = new FingerprintSensor(File.ReadAllText(SerialPortFilePath));
            }
            catch (Exception e)
            {
                Console.ForegroundColor = ConsoleColor.Red;
                Console.WriteLine(e);

                Console.WriteLine();
                Console.WriteLine($"Couldn't read settings file '{SerialPortFilePath}'");
                Console.WriteLine($"Launch the program with '-c' to config the provider");

                Environment.Exit(1);
            }

            FingerprintSensor.Start();
        }

        public void FingerprintLoop()
        {
            InitSensor();

            new MQTTService().Start();
        }
    }
}