using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Net.NetworkInformation;
using System.IO;
using System.Net.Mail;
using System.Net.Mime;
using System.Diagnostics;
using System.Reflection;
using System.Management;


namespace Windows_Monitor
{
    public class Functions
    {
        System.Diagnostics.PerformanceCounter cpuCounter;
        System.Diagnostics.PerformanceCounter ramCounter;
        /* Send Email */
        public void MailSender()
        {
            System.Net.Mail.MailMessage message = new System.Net.Mail.MailMessage();
            string user = "disparoautomatico@gatosabido.com";
            string pass = "new1234";
            System.Net.Mail.MailMessage mail = new System.Net.Mail.MailMessage();
            mail.From = new System.Net.Mail.MailAddress("alertas@gatosabido.com");
            mail.To.Add("marcus.siqueira@gatosabido.com");
            mail.Bcc.Add("marcus.siqueira@gatosabido.com");
            mail.Subject = "[BOT] Monitoramento DRM - " + DateTime.Now.ToString("dd/MM/yyyy");
            mail.IsBodyHtml = true;
            mail.Body = "Envio de Email do DRM";
            System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("smtp.gmail.com");
            System.Net.NetworkCredential credentials = new System.Net.NetworkCredential(user, pass);
            smtp.Credentials = credentials;
            smtp.Send(mail);
        }
        /* Send Email With a File Attached */
        public void AttachmentMail()
        {
            string user = "disparoautomatico@gatosabido.com";
            string pass = "new1234";
            MailMessage mail = new MailMessage();
            mail.From = new MailAddress("marcus.siqueira@gatosabido.com");
            mail.To.Add("marcus.siqueira@gatosabido.com");
            mail.Subject = "[BOT] Envio de Email com Anexo C# - " + DateTime.Now.ToString("dd/MM/yyyy");
            mail.Body = "Content Body";
            mail.Attachments.Add(new Attachment("DRM_Log.txt"));
            System.Net.Mail.SmtpClient smtp = new System.Net.Mail.SmtpClient("smtp.gmail.com");
            System.Net.NetworkCredential credentials = new System.Net.NetworkCredential(user, pass);
            smtp.Credentials = credentials;
            smtp.Send(mail);
        }
        /* Message Shown after the Email is Sent */
        public void MailSent()
        {
            MessageBox.Show("Email Enviado com Sucesso");
        }
        /* Create a Log File */
        public void CreateLog()
        {
            TextWriter tw = new StreamWriter("DRM_Log.txt");
            tw.WriteLine(DateTime.Now);
            tw.Close();
            MessageBox.Show("Arquivo Criado");
        }
        public void ExecuteMonitoringProcess()
        {
            // Não é Botão
            System.Diagnostics.Process proc = new System.Diagnostics.Process();
            proc.EnableRaisingEvents = false;
            proc.StartInfo.FileName = "netstat";
            proc.Start();
        }
        public void NetStat()
        {
            IPGlobalProperties ipProperties = IPGlobalProperties.GetIPGlobalProperties();
            TcpConnectionInformation[] tcpConnections = ipProperties.GetActiveTcpConnections();
            if (File.Exists("NetStat_Log.txt") == false)
            {
                TextWriter NetStatLog = new StreamWriter("NetStat_Log.txt", true);
                NetStatLog.WriteLine("Arquivo dia: " + DateTime.Now.ToString("dd/MM/yyyy") + "\r\n\r\n");
                foreach (TcpConnectionInformation info in tcpConnections)
                {
                    NetStatLog.WriteLine("Remote : " + info.RemoteEndPoint.Address.ToString()
                    + ":" + info.RemoteEndPoint.Port.ToString()
                    + "  ---> State  :   " + info.State.ToString());
                }
                NetStatLog.Close();
            }
            else
            {
                TextWriter NetStatLog = new StreamWriter("NetStat_Log.txt", true);
                NetStatLog.WriteLine("\r\n\r\nArquivo dia: " + DateTime.Now.ToString("dd/MM/yyyy") + "\r\n\r\n");
                foreach (TcpConnectionInformation info in tcpConnections)
                {
                    NetStatLog.WriteLine("Remote : " + info.RemoteEndPoint.Address.ToString()
                    + ":" + info.RemoteEndPoint.Port.ToString()
                    + "  ---> State  :   " + info.State.ToString());
                }
                NetStatLog.Close();
            }
        }
        public void Memory()
        {
            PerformanceCounter cpuCounter = new System.Diagnostics.PerformanceCounter();
            cpuCounter.CategoryName = "Processor";
            cpuCounter.CounterName = "% Processor Time";
            cpuCounter.InstanceName = "_Total";
            PerformanceCounter ramCounter = new System.Diagnostics.PerformanceCounter("Memory", "Available MBytes");
            TextWriter Hard = new StreamWriter("Hardware.txt");

            //Hard.WriteLine = (cpuCounter.NextValue() + "%");
            //Hard.WriteLine = cpuCounter();
            Hard.Close();
            MessageBox.Show("Arquivo Criado");
        }
        public string getCurrentCpuUsage()
        {
            return cpuCounter.NextValue() + "%";
        }
        public string getAvailableRAM()
        {
            return ramCounter.NextValue() + "Mb";
        }

    }
}