#!/usr/bin/env python3
from pyVmomi import vim
import pyVim.connect
import atexit
import argparse
import siteconf

site_conf = siteconf.read()


def get_args():
    parser = argparse.ArgumentParser(
        description='Rename VM')

    parser.add_argument('-s', '--site',
                        required=True,
                        action='store',
                        help='name of the site to connect to')

    parser.add_argument('-v', '--vm',
                        required=True,
                        action='store',
                        help='vm to rename')

    args = parser.parse_args()
    return args


def get_obj(content, vimtype, name):
    """
    Return an object by name, if name is None the
    first found object is returned
    """
    obj = None
    container = content.viewManager.CreateContainerView(
        content.rootFolder, vimtype, True)
    for c in container.view:
        if name:
            if c.name == name:
                obj = c
                break
        else:
            obj = c
            break

    return obj


def main():
    args = get_args()

    if not args.site in site_conf:
        print(f"site not found: {args.site}")
        exit(1)

    host = site_conf[args.site]['vcenter']
    user = site_conf[args.site]['vcenter_user']
    passwd = site_conf[args.site]['vcenter_passwd']

    si = pyVim.connect.SmartConnect(
        host = host,
        user = user,
        pwd = passwd,
        disableSslCertValidation = True
        )
    atexit.register(pyVim.connect.Disconnect, si)
    content = si.RetrieveContent()

    vm = get_obj(content, [vim.VirtualMachine], args.vm)
    if not vm:
        print("vm not found")
        exit(1)

    if vm.runtime.powerState != vim.VirtualMachinePowerState.poweredOn:
        print("VM is not powered on.")
        exit(1)

    key_modifier = vim.UsbScanCodeSpecModifierType()
    key_modifier.leftAlt = True
    key_modifier.leftControl = True
    key_modifier.leftGui = False
    key_modifier.leftShift = False
    key_modifier.rightAlt = False
    key_modifier.rightControl = False
    key_modifier.rightGui = False
    key_modifier.rightShift = False

    key_event = vim.UsbScanCodeSpecKeyEvent()
    key_event.modifiers = key_modifier
    # F1 0x3a
    # F2 0x3b
    # F12 0x45
    # DELETE 0x4c
    key_event.usbHidCode = 0x3a << 16 | 0o0007

    usb_spec = vim.UsbScanCodeSpec()
    usb_spec.keyEvents.append(key_event)

    vm.PutUsbScanCodes(usb_spec)


if __name__ == "__main__":
    main()

# vim: set tabstop=4 shiftwidth=4 expandtab smarttab: