"""Single released task-stream entry point."""
from copy import deepcopy
from rescopebench.case_validation import ReleasedCase
from .spec import CASE_DIR, DATA, DATA_TOOLS, DATA_TASKS, DATA_PROMPT, DATA_SCHEDULE
from .runtime import fn_grade_task, fn_public_grade, World

class Driver(ReleasedCase):
    case_id = 'k8s_operations'
    case_version = 'k8s-namespace-migration-evolution-v6'

    def __init__(self):
        self.tools = deepcopy(DATA_TOOLS)
        self.tasks = deepcopy(DATA_TASKS)
        self.directory = deepcopy(DATA)
        self.prompt = deepcopy(DATA_PROMPT)
        self.lifecycle_schedule = deepcopy(DATA_SCHEDULE)

    def create_world(self):
        return World(CASE_DIR / 'raw', in_memory=True)

    def begin(self, world, task):
        boundary = world.prepare_task(task['private_task_id'])
        if boundary['public']['event_id'] != task['event_id']:
            raise ValueError('frozen task and runtime event differ')
        world._formal_entry = world.snapshot()
        world._formal_eligible = world.eligible_nodes()
        return {'status': 'success', **boundary}

    def call(self, world, name, arguments):
        return world.dispatch(name, arguments)

    def grade(self, world, task):
        if world.current_task_id != task['private_task_id']:
            raise ValueError('Kubernetes grade task is not current')
        return fn_grade_task(world.task(), world._formal_entry, world.snapshot(), world._formal_eligible)

    def public_grade(self, grade):
        return fn_public_grade(grade, [artifact['release_id'] for artifact in grade['artifacts']])

    def close(self, world):
        world.close()