"""Instantiate service with PNF using SO macro flow."""
from yaml import load

from xtesting.core import testcase
from onapsdk.configuration import settings

from onaptests.steps.base import YamlTemplateBaseStep
from onaptests.steps.onboard.cds import CbaEnrichStep
from onaptests.steps.simulator.pnf_simulator_cnf.pnf_register import PnfSimulatorCnfRegisterStep
from onaptests.steps.instantiate.service_macro import YamlTemplateServiceMacroInstantiateStep


class PnfMacroScenarioStep(YamlTemplateBaseStep):
    """Step created to run scenarion and generate report."""

    def __init__(self, cleanup=False):
        """Initialize step.

        Substeps:
            - YamlTemplateServiceAlaCarteInstantiateStep.
        """
        super().__init__(cleanup=cleanup)
        self._yaml_template: dict = None
        self.add_step(PnfSimulatorCnfRegisterStep(
            cleanup=settings.CLEANUP_FLAG
        ))
        self.add_step(CbaEnrichStep(
            cleanup=settings.CLEANUP_FLAG
        ))
        self.add_step(YamlTemplateServiceMacroInstantiateStep(
            cleanup=settings.CLEANUP_FLAG
        ))

    @property
    def description(self) -> str:
        """Step description.

        Used for reports

        Returns:
            str: Step description

        """
        return "PNF macro scenario step"

    @property
    def component(self) -> str:
        """Component name.

        Name of component which step is related with.
            Most is the name of ONAP component.

        Returns:
            str: Component name

        """
        return "PythonSDK-tests"

    @property
    def yaml_template(self) -> dict:
        """YAML template abstract property.

        Every YAML template step need to implement that property.

        Returns:
            dict: YAML template

        """
        if not self._yaml_template:
            with open(settings.SERVICE_YAML_TEMPLATE, "r") as yaml_template:
                self._yaml_template: dict = load(yaml_template)
        return self._yaml_template

    @property
    def service_name(self) -> dict:
        """Service name.

        Get from YAML template.

        Returns:
            str: Service name

        """
        return next(iter(self.yaml_template.keys()))

    @property
    def service_instance_name(self) -> str:
        """Service instance name.

        Returns:
            str: Service instance name

        """
        return settings.SERVICE_INSTANCE_NAME


class PnfMacro(testcase.TestCase):
    """Run PNF simulator and onboard then instantiate a service with PNF."""

    def __init__(self, **kwargs):
        """Init Basic Network use case."""
        if "case_name" not in kwargs:
            kwargs["case_name"] = 'pnf_macro'
        super().__init__(**kwargs)
        self.__logger.debug("PnfMacro init started")
        self.test = PnfMacroScenarioStep(cleanup=settings.CLEANUP_FLAG)

    def run(self):
        """Run PNF macro test."""
        self.test.execute()
        self.test.cleanup()

    def clean(self):
        """Generate report."""
        self.test.reports_collection.generate_report()