import random

from landscape.client.manager.manager import SUCCEEDED
from landscape.client.manager.plugin import ManagerPlugin


class FakePackageManager(ManagerPlugin):

    run_interval = 1800
    randint = random.randint

    def register(self, registry):
        super().register(registry)
        self.config = registry.config

        registry.register_message(
            "change-packages",
            self.handle_change_packages,
        )
        registry.register_message(
            "change-package-locks",
            self.handle_change_package_locks,
        )
        registry.register_message(
            "release-upgrade",
            self.handle_release_upgrade,
        )

    def _handle(self, response):
        delay = self.randint(30, 300)
        self.registry.reactor.call_later(
            delay,
            self.manager.broker.send_message,
            response,
            self._session_id,
            urgent=True,
        )

    def handle_change_packages(self, message):
        response = {
            "type": "change-packages-result",
            "operation-id": message.get("operation-id"),
            "result-code": 1,
            "result-text": "OK done.",
        }
        return self._handle(response)

    def handle_change_package_locks(self, message):
        response = {
            "type": "operation-result",
            "operation-id": message.get("operation-id"),
            "status": SUCCEEDED,
            "result-text": "Package locks successfully changed.",
            "result-code": 0,
        }
        return self._handle(response)

    def handle_release_upgrade(self, message):
        response = {
            "type": "operation-result",
            "operation-id": message.get("operation-id"),
            "status": SUCCEEDED,
            "result-text": "Successful release upgrade.",
            "result-code": 0,
        }
        return self._handle(response)
