import os
import smtplib
import socket
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText

ApplicationName = itsm.getParameter('ApplicationName') ##provide the application name here. the datatype should be a string.
Receiver = itsm.getParameter('EmailTo')  ## Provide an Toemail address where the mail need to be sent. the datatype should be a string.
Sender = itsm.getParameter('EmailFrom')  ## Provide the From Email address from which the mail to be send. the datatype should be a string.
Password = itsm.getParameter('Password')               ##Provide password for from email. the datatype should be a string.

def gmail(sender_email,password,receiver,text):
    msg = MIMEMultipart()
    msg["From"] = sender_email
    msg["To"] = receiver
    msg["Subject"] = "alert for %s application is installed or not"%(ApplicationName)
    attachment = MIMEText(text, _subtype="html")
    msg.attach(attachment)
    server = smtplib.SMTP("smtp.gmail.com",587)
    server.starttls()
    server.login(sender_email,password)
    server.sendmail(sender_email, receiver, msg.as_string())
    server.quit()
    print("successfully sent the mail")

def CheckApp(AppName):
    import _winreg
    import os
    AppName = AppName.lower()
    def DNDS(rtkey, pK, kA):
        ln = []
        lv = []
        try:
            oK = _winreg.OpenKey(rtkey, pK, 0, kA)
            i = 0
            while True:
                try:
                    bkey = _winreg.EnumKey(oK, i)
                    vkey = os.path.join(pK, bkey)
                    oK1 = _winreg.OpenKey(rtkey, vkey, 0, kA)
                    try:
                        tls = []
                        DN, bla = _winreg.QueryValueEx(oK1, 'DisplayName')
                        DV, bla = _winreg.QueryValueEx(oK1, 'DisplayVersion')
                        _winreg.CloseKey(oK1)
                        ln.append(DN)
                        lv.append(DV)
                    except:
                        pass
                    i += 1
                except:
                    break
            _winreg.CloseKey(oK)
            return zip(ln, lv)
        except:
            return zip(ln, lv)

    rK = _winreg.HKEY_LOCAL_MACHINE
    sK = r'SYSTEM\CurrentControlSet\Control\Session Manager\Environment'
    openedKey = _winreg.OpenKey(rK, sK, 0, _winreg.KEY_READ)
    arch, bla = _winreg.QueryValueEx(openedKey, 'PROCESSOR_ARCHITECTURE')
    arch = str(arch)
    _winreg.CloseKey(openedKey)

    if arch == 'AMD64':
        fList = DNDS(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', _winreg.KEY_WOW64_32KEY | _winreg.KEY_READ)
        fList.extend(DNDS(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', _winreg.KEY_WOW64_64KEY | _winreg.KEY_READ))
        fList.extend(DNDS(_winreg.HKEY_CURRENT_USER, r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', _winreg.KEY_WOW64_32KEY | _winreg.KEY_READ))
        fList.extend(DNDS(_winreg.HKEY_CURRENT_USER, r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', _winreg.KEY_WOW64_64KEY | _winreg.KEY_READ))
    else:
        fList = DNDS(_winreg.HKEY_LOCAL_MACHINE, r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', _winreg.KEY_READ)
        fList.extend(DNDS(_winreg.HKEY_CURRENT_USER, r'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall', _winreg.KEY_READ))
    fList = set(fList)

    lr = []
    rs = 0
    for i in fList:
        a, b = i
        if AppName in a.lower():
            lr.append('success: {} is installed'.format(a))
            lr.append('{:<25}{:5}'.format(a, b))
            rs += 1
        else:
            rs += 0
    if rs:
        return True
    return False
if CheckApp(ApplicationName):
    cp_name = os.environ['COMPUTERNAME']
    ip = socket.gethostbyname(socket.gethostname())
    output = "<h1>the application %s is 'installed' on the Computer-Name %s with IP %s </h1>"%(ApplicationName,cp_name,ip)
    print(output)
    gmail(Sender,Password,Receiver,output)
else:
    cp_name = os.environ['COMPUTERNAME']
    ip = socket.gethostbyname(socket.gethostname())
    output = "<h1>the application %s is 'not installed' on the Computer-Name %s with IP %s </h1>"%(ApplicationName,cp_name,ip)
    print(output)
    gmail(Sender,Password,Receiver,output)