# -*- coding: utf-8 -*-

from __future__ import absolute_import

import datetime
import logging

from tests.support.helpers import slowTest
from tests.support.unit import skipIf
from tests.unit.utils.scheduler.base import SchedulerTestsBase

try:
    import dateutil.parser

    HAS_DATEUTIL_PARSER = True
except ImportError:
    HAS_DATEUTIL_PARSER = False

log = logging.getLogger(__name__)


@skipIf(
    HAS_DATEUTIL_PARSER is False, "The 'dateutil.parser' library is not available",
)
class SchedulerPostponeTest(SchedulerTestsBase):
    """
    Validate the pkg module
    """

    def setUp(self):
        super(SchedulerPostponeTest, self).setUp()
        self.schedule.opts["loop_interval"] = 1

    def tearDown(self):
        self.schedule.reset()
        super(SchedulerPostponeTest, self).tearDown()

    @slowTest
    def test_postpone(self):
        """
        verify that scheduled job is postponed until the specified time.
        """
        job = {
            "schedule": {"job1": {"function": "test.ping", "when": "11/29/2017 4pm"}}
        }

        # 11/29/2017 4pm
        run_time = dateutil.parser.parse("11/29/2017 4:00pm")

        # 5 minute delay
        delay = 300

        # Add job to schedule
        self.schedule.opts.update(job)

        # Postpone the job by 5 minutes
        self.schedule.postpone_job(
            "job1",
            {
                "time": run_time.strftime("%Y-%m-%dT%H:%M:%S"),
                "new_time": (run_time + datetime.timedelta(seconds=delay)).strftime(
                    "%Y-%m-%dT%H:%M:%S"
                ),
            },
        )
        # Run at the original time
        self.schedule.eval(now=run_time)
        ret = self.schedule.job_status("job1")
        self.assertNotIn("_last_run", ret)

        # Run 5 minutes later
        self.schedule.eval(now=run_time + datetime.timedelta(seconds=delay))
        ret = self.schedule.job_status("job1")
        self.assertEqual(ret["_last_run"], run_time + datetime.timedelta(seconds=delay))

        # Run 6 minutes later
        self.schedule.eval(now=run_time + datetime.timedelta(seconds=delay + 1))
        ret = self.schedule.job_status("job1")
        self.assertEqual(ret["_last_run"], run_time + datetime.timedelta(seconds=delay))