using System;
using System.Diagnostics;
using System.Linq;
using Task = TaskScheduler;

namespace Monitor
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var monitor = new Monitor();
            var task = monitor.GetScheduledTask("First task", "10.18.16.12");
            var process = monitor.IsProcessRunning("QueueProcessor", "10.18.16.13");

            Console.WriteLine("Done");
            Console.ReadLine();
        }
    }

    public class Monitor
    {
        public bool IsProcessRunning(string processName)
        {
            var processes = Process.GetProcesses();

            // Find any running process by name
            var runningProcess = processes.Any(p => p.ProcessName == processName);

            return runningProcess;
        }

        public bool IsProcessRunning(string processName, string machine)
        {
            var processes = Process.GetProcesses(machine);

            // Find any running process by name
            var runningProcess = processes.Any(p => p.ProcessName == processName);

            return runningProcess;
        }

        public ScheduledTask GetScheduledTask(string taskName, string machine)
        {
            var scheduler = new Task.TaskScheduler();
            scheduler.Connect(machine);

            if(scheduler.Connected)
            {
                var folder = scheduler.GetFolder("");
                var task = folder.GetTask(taskName);

                if (task == null)
                    throw new ScheduledTaskNotFoundException(taskName, machine);

                return new ScheduledTask(task.Name, task.Enabled, task.LastRunTime, task.LastTaskResult);
            }

            // Task was not found
            throw new Exception("Could not connect to task scheduler on machine " +  machine);
        }
    }

    public class ScheduledTask
    {
        public ScheduledTask(string name, bool enabled, DateTime lastRunTime, int lastResult)
        {
            Name = name;
            Enabled = enabled;
            LastRunTime = lastRunTime;
            LastResult = lastResult;
        }

        public string Name
        {
            get;
            private set;
        }

        public bool Enabled
        {
            get;
            private set;
        }

        public DateTime LastRunTime
        {
            get;
            private set;
        }

        public int LastResult
        {
            get;
            private set;
        }
    }
}