"""Interface implementation for JobsManager from cc-common."""


from cloudcontrol.common.jobs import JobsManagerInterface
from cloudcontrol.common.tql.db.helpers import taggify
from cloudcontrol.common.client.tags import TagDB, Tag


class NodeJobsManagerInterface(JobsManagerInterface):

    TAG_ATTRIBUTES = ('title', 'status', 'state', 'owner', 'created', 'ended',
                      'attachments')

    def __init__(self, host_handler):
        self.tag_db = TagDB(host_handler.tag_db)

    def on_job_created(self, job):
        def get_tag_value(tag):
            return lambda job: taggify(getattr(job, tag))

        self.tag_db.add_sub_object(
            job.id,
            (Tag(tag, get_tag_value(tag), parent=job)
             for tag in self.TAG_ATTRIBUTES),
            'job',
        )
        # TODO add duration tag

    def on_job_updated(self, job):
        for tag in self.TAG_ATTRIBUTES:
            self.tag_db[job.id][tag].update_value()

    def on_job_purged(self, job_id):
        self.tag_db.remove_sub_object(job_id)