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)
        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):
    app_name=r'\VulkanSDK'
    silent_cmd=r' /S'
    drive=os.getenv("SystemDrive")
    file_path=os.path.join(drive,app_name)
    try:
        d=os.listdir(file_path)
        for version in d:  
            u=os.path.join(file_path,version)
            chk_path=os.path.join(u,r'Uninstall.exe')
            if os.path.exists(chk_path):
                unargslist1=chk_path+silent_cmd
                subprocess.check_call(unargslist1)
                print 'VulkanSDK '+version+ ' is removed'
    except subprocess.CalledProcessError as e:
        print 'VulkanSDK '+version+ ' does not exist, uninstaller returncode:' + str(e.returncode);
    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'