import json
import time

from tests.base_test import BaseTest
from crc.models.workflow import WorkflowStatus, WorkflowModel
from crc import db
from crc.api.common import ApiError
from crc.models.task_event import TaskEventModel, TaskEventSchema
from crc.services.workflow_service import WorkflowService
from crc.services.workflow_processor import WorkflowProcessor


class TestTimerEvent(BaseTest):


    def test_timer_event(self):
        workflow = self.create_workflow('timer_event')
        processor = WorkflowProcessor(workflow)
        processor.do_engine_steps()
        task = processor.next_task()
        processor.complete_task(task)
        tasks = processor.get_ready_user_tasks()
        self.assertEqual(tasks,[])
        processor.save()
        time.sleep(.3) # our timer is at .25 sec so we have to wait for it
                       # get done waiting
        WorkflowService.do_waiting()
        wf = db.session.query(WorkflowModel).filter(WorkflowModel.id == workflow.id).first()
        self.assertTrue(wf.status != WorkflowStatus.waiting)

    def test_waiting_event_error(self):
        workflow = self.create_workflow('timer_event_error')
        processor = WorkflowProcessor(workflow)
        processor.do_engine_steps()
        processor.save()
        time.sleep(.3) # our timer is at .25 sec so we have to wait for it
                       # get done waiting
        wf = db.session.query(WorkflowModel).filter(WorkflowModel.id == workflow.id).first()
        self.assertTrue(wf.status == WorkflowStatus.waiting)
        with self.assertLogs('crc', level='ERROR') as cm:
            WorkflowService.do_waiting()
            self.assertEqual(1, len(cm.output))
            self.assertRegex(cm.output[0], f"workflow #%i" % workflow.id)
            self.assertRegex(cm.output[0], f"study #%i" % workflow.study_id)

        self.assertTrue(wf.status == WorkflowStatus.erroring)