// See https://aka.ms/new-console-template for more information
using StackExchange.Redis;
using System.Configuration;

string lineSep = "------------------------------------------------------";
string redisConf = "127.0.0.1:6379";

Random rand = new Random();

Console.WriteLine(lineSep);
Console.WriteLine($"Starting Machine SIM - redis server on {redisConf}!");
Console.WriteLine(lineSep);
Console.WriteLine("");
Console.WriteLine("Running - press CTRL-C to stop SIM");
Console.WriteLine("");

//Create a connection
ConnectionMultiplexer redis = ConnectionMultiplexer.Connect(redisConf);
ISubscriber sub = redis.GetSubscriber();



#if false
// ciclo principale 
string input;
do
{
    input = Console.ReadLine();
    sub.Publish("allarmi", input);
} while (input != "exit"); 
#endif

// avvio tutti i thread...
Thread threadStatus = new Thread(simStatus);
Thread threadAlarms = new Thread(simAlarms);

threadStatus.Start();
threadAlarms.Start();



void simStatus()
{
    int minPeriod = 2000;
    int maxPeriod = 3000;

    do {
        var statusCode = rand.Next(1, 5);
        saveAndSendMessage("Machine:Status:Current", $"{statusCode} | Stato {statusCode:00}", "status", $"{statusCode}");
        // attesa random
        Thread.Sleep(rand.Next(minPeriod, maxPeriod));
    } while (true);
}
void simAlarms()
{
    int minPeriod = 1000;
    int maxPeriod = 2000;

    do
    {
    var alarmCode = rand.Next(1, 100);
    saveAndSendMessage("Machine:Alarms:Current", $"{alarmCode:000} | Allarme PLC {alarmCode}", "allarmi", $"{alarmCode:000}");
        // attesa random
        Thread.Sleep(rand.Next(minPeriod, maxPeriod));
    } while (true);
}


void saveAndSendMessage(string memKey, string value, string notifyChannel, string message)
{
    // effettuo la scrittura nell'area di memoria indicata
    redis.GetDatabase().SetAdd(memKey, value);

    // invio notifica tramite il canale richiesto
    sub.Publish(notifyChannel, message);
    Console.WriteLine($"[{notifyChannel}] key: {memKey} | val: {value} | message: {message}");
}