"""Plug-in to collect information about the Windows version."""

from dfdatetime import posix_time as dfdatetime_posix_time

from plaso.containers import events
from plaso.parsers import winreg_parser
from plaso.parsers.winreg_plugins import interface


class WindowsRegistryInstallationEventData(events.EventData):
    """Windows installation event data attribute container.

    Attributes:
      build_number (str): Windows build number.
      installation_time (dfdatetime.DateTimeValues): Windows installation date
          and time.
      key_path (str): Windows Registry key path.
      owner (str): registered owner.
      product_name (str): product name.
      service_pack (str): service pack.
      version (str): Windows version.
    """

    DATA_TYPE = "windows:registry:installation"

    def __init__(self):
        """Initializes event data."""
        super().__init__(data_type=self.DATA_TYPE)
        self.build_number = None
        self.installation_time = None
        self.key_path = None
        self.owner = None
        self.product_name = None
        self.service_pack = None
        self.version = None


class WindowsVersionPlugin(interface.WindowsRegistryPlugin):
    """Plug-in to collect information about the Windows version."""

    NAME = "windows_version"
    DATA_FORMAT = "Windows version (product) Registry data"

    FILTERS = frozenset(
        [
            interface.WindowsRegistryKeyPathFilter(
                "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Windows NT\\CurrentVersion"
            )
        ]
    )

    def ExtractEvents(self, parser_mediator, registry_key, **kwargs):
        """Extracts events from a Windows Registry key.

        Args:
          parser_mediator (ParserMediator): mediates interactions between parsers
              and other components, such as storage and dfVFS.
          registry_key (dfwinreg.WinRegistryKey): Windows Registry key.
        """
        # TODO: if not present indicate anomaly of missing InstallDate value.
        registry_value = registry_key.GetValueByName("InstallDate")
        if registry_value:
            event_data = WindowsRegistryInstallationEventData()
            event_data.build_number = self._GetValueFromKey(
                registry_key, "CurrentBuildNumber"
            )
            event_data.key_path = registry_key.path
            event_data.owner = self._GetValueFromKey(registry_key, "RegisteredOwner")
            event_data.product_name = self._GetValueFromKey(registry_key, "ProductName")
            event_data.service_pack = self._GetValueFromKey(registry_key, "CSDVersion")
            event_data.version = self._GetValueFromKey(registry_key, "CurrentVersion")

            installation_time = registry_value.GetDataAsObject()
            if installation_time:
                event_data.installation_time = dfdatetime_posix_time.PosixTime(
                    timestamp=installation_time
                )

            parser_mediator.ProduceEventData(event_data)

        self._ProduceDefaultWindowsRegistryEvent(
            parser_mediator, registry_key, names_to_skip=["InstallDate"]
        )


winreg_parser.WinRegistryParser.RegisterPlugin(WindowsVersionPlugin)
