import os
from subprocess import Popen, PIPE
import ctypes
import _winreg

class disable_file_system_redirection:
    _disable = ctypes.windll.kernel32.Wow64DisableWow64FsRedirection
    _revert = ctypes.windll.kernel32.Wow64RevertWow64FsRedirection
    def __enter__(self):
        self.old_value = ctypes.c_long()
        self.success = self._disable(ctypes.byref(self.old_value))
    def __exit__(self, type, value, traceback):
        if self.success:
            self._revert(self.old_value)

def ecmd(command,name):   
    with disable_file_system_redirection():
        obj = Popen(command, shell = True, stdout = PIPE, stderr = PIPE)
    out, err = obj.communicate()
    ret=obj.returncode
    if ret==0:
        print("successfully uninstalled the %s"%(name))
        if out:
            print(out.strip())
        else:
            print(ret)
    else:
        if err:
            print("an error occurred: %s"%(err.strip()))
        else:
            print("something went wrong. returncode: %s"%(ret))
    
li=[]

def collectprograms(rtkey,pK,kA):
    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:
            DN,bla=_winreg.QueryValueEx(oK1,'DisplayName')
            DV,bla=_winreg.QueryValueEx(oK1,'UninstallString')
            li.append([DN.strip(),DV.strip()])
           except:
            pass
           i+=1
          except:
           break
    except:
        pass
    
    _winreg.CloseKey(oK)
    return li

def programsinstalled():
    uninstallkey='SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall'
    if 'PROGRAMFILES(X86)' in os.environ.keys():
        rklist=[(_winreg.HKEY_LOCAL_MACHINE,uninstallkey,_winreg.KEY_WOW64_32KEY | _winreg.KEY_READ),
        (_winreg.HKEY_LOCAL_MACHINE,uninstallkey,_winreg.KEY_WOW64_64KEY | _winreg.KEY_READ),
        (_winreg.HKEY_CURRENT_USER,uninstallkey,_winreg.KEY_WOW64_32KEY | _winreg.KEY_READ),
        (_winreg.HKEY_CURRENT_USER,uninstallkey,_winreg.KEY_WOW64_64KEY | _winreg.KEY_READ)]
    else:
        rklist=[(_winreg.HKEY_LOCAL_MACHINE,uninstallkey,_winreg.KEY_READ),
        (_winreg.HKEY_CURRENT_USER,uninstallkey,_winreg.KEY_READ)]
    for i in rklist:
        col=collectprograms(i[0], i[1], i[2])
    return col

with disable_file_system_redirection():
    k=programsinstalled()
    arguments = ["/qn", "/quiet"]
    for name, ustring in k:
        if "Foxit PDF Editor" in name:
            if "msi" in ustring:
                ecmd('%s %s'%(ustring, arguments[0]), name)
            else:
                ecmd('%s %s'%(ustring, arguments[1]), name)
        if "Foxit PhantomPDF" in name:
            if "msi" in ustring:
                ecmd('%s %s'%(ustring, arguments[0]), name)
            else:
                ecmd('%s %s'%(ustring, arguments[1]), name)