import os
import subprocess

# dir: string -> directory where installer exist
# args: string -> which includes all parameters with space delimiter
def spm_install(dir, args):
    os.chdir(dir)
    argslist = args.split()
    try:
        subprocess.check_call(argslist)
        import time
        time.sleep(30)
        task=os.popen('Tasklist |Findstr "DuplicateFileFinder"').read()
        task=task.split()
        kill=os.popen("Taskkill /IM "+task[0]+" /F").read()
        print 'retcode' + str(0) + 'retcode'
    except subprocess.CalledProcessError as e:
        print 'retcode' + str(e.returncode) + 'retcode'

# dir: string -> directory where installer exist
# args: string -> which includes all parameters with space delimiter
def spm_uninstall(dir, args):
    os.chdir(dir)
    
    argslist = args.split()
    try:
        subprocess.check_call(argslist)
        print 'retcode' + str(0) + 'retcode'
    except subprocess.CalledProcessError as e:
        print 'retcode' + str(e.returncode) + 'retcode'

# dir: string -> directory where installer exist
# args: string -> which includes all parameters with space delimiter
def spm_update(dir, args):
    #It uninstalls the older version which will match with the registry
    unins=["Auslogics Duplicate File Finder"]
    import re
    import _winreg
    import time
    try:
        task=os.popen('Tasklist |Findstr "DuplicateFileFinder"').read()
        task=task.split()
        kill=os.popen("Taskkill /IM "+task[0]+" /F").read()
        time.sleep(10)
    except:
        time.sleep(5)
    blacklist=[]
    for i in unins:
        blacklist.append(i)

    print blacklist
    

    if 'PROGRAMFILES(X86)' in os.environ.keys():
        uninstallkey='SOFTWARE\\WOW6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall'
        reg_list=[(_winreg.HKEY_LOCAL_MACHINE,uninstallkey,_winreg.KEY_WOW64_32KEY | _winreg.KEY_ALL_ACCESS),
                (_winreg.HKEY_LOCAL_MACHINE,uninstallkey,_winreg.KEY_WOW64_64KEY | _winreg.KEY_ALL_ACCESS),
                (_winreg.HKEY_CURRENT_USER,uninstallkey,_winreg.KEY_WOW64_32KEY | _winreg.KEY_ALL_ACCESS),
                (_winreg.HKEY_CURRENT_USER,uninstallkey,_winreg.KEY_WOW64_64KEY | _winreg.KEY_ALL_ACCESS)]
        
    else:
        uninstallkey='SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall'
        reg_list=[(_winreg.HKEY_LOCAL_MACHINE,uninstallkey,_winreg.KEY_READ,_winreg.KEY_ALL_ACCESS),
                (_winreg.HKEY_CURRENT_USER,uninstallkey,_winreg.KEY_READ,_winreg.KEY_ALL_ACCESS)]
    strun=[]
    list=[]
    for i in reg_list:
        reg_key=i[0]
        sub_key=i[1]
        Value=i[2]
        reg =_winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, i[1], 0, i[2])
        i=0
        while True:
            try: 
                key_value=_winreg.EnumKey(reg,i)
                path=os.path.join(sub_key,key_value)
                Hkey=_winreg.OpenKey(reg_key,path,0,Value)
                try:
                    key,dis_name=_winreg.QueryValueEx(Hkey,'DisplayName')
                    inlist=[key.strip(), path, sub_key]
                    list.append(inlist)
                except:
                    pass
                i+=1
            except:
                break
    
    for c in list:
        for i in range(0,len(blacklist)):
            if blacklist[i] in c[0]:
                try:
                    RawKey = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, c[1],0,Value)
                    (value, type) = _winreg.QueryValueEx(RawKey,"UninstallString")
                    strun.append(value)
                    Uninstr=re.findall('".*"',value)
                    unin_str=''.join(Uninstr)
                    command=unin_str+" /SILENT"
                    unarglist= command.splitlines(True)
                    unarglist2= ''.join(unarglist)
                    print unarglist2
                    try:
                        subprocess.check_call(unarglist2)
                        print blacklist[i] +' older Version are removed'
                    except subprocess.CalledProcessError as e:
                        print blacklist[i] +' older Version  does not exist, uninstaller returncode:' + str(e.returncode);
                except:
                    pass
    time.sleep(60)
    os.chdir(dir)
    argslist = args.split()
    try:
        subprocess.check_call(argslist)
        import time
        time.sleep(20)
        task=os.popen('Tasklist |Findstr "DuplicateFileFinder"').read()
        task=task.split()
        kill=os.popen("Taskkill /IM "+task[0]+" /F").read()
        print 'retcode' + str(0) + 'retcode'
    except subprocess.CalledProcessError as e:
        print 'retcode' + str(e.returncode) + 'retcode'