from datetime import datetime
from app.models import BROADCAST_TYPE
from app.models import BroadcastEventMessageType
from app.dao.broadcast_message_dao import get_earlier_events_for_broadcast_event

from tests.app.db import create_broadcast_message, create_template, create_broadcast_event


def test_get_earlier_events_for_broadcast_event(sample_service):
    t = create_template(sample_service, BROADCAST_TYPE)
    bm = create_broadcast_message(t)

    events = [
        create_broadcast_event(
            bm,
            sent_at=datetime(2020, 1, 1, 12, 0, 0),
            message_type=BroadcastEventMessageType.ALERT,
            transmitted_content={'body': 'Initial content'}
        ),
        create_broadcast_event(
            bm,
            sent_at=datetime(2020, 1, 1, 13, 0, 0),
            message_type=BroadcastEventMessageType.UPDATE,
            transmitted_content={'body': 'Updated content'}
        ),
        create_broadcast_event(
            bm,
            sent_at=datetime(2020, 1, 1, 14, 0, 0),
            message_type=BroadcastEventMessageType.UPDATE,
            transmitted_content={'body': 'Updated content'},
            transmitted_areas=['wales']
        ),
        create_broadcast_event(
            bm,
            sent_at=datetime(2020, 1, 1, 15, 0, 0),
            message_type=BroadcastEventMessageType.CANCEL,
            transmitted_finishes_at=datetime(2020, 1, 1, 15, 0, 0),
        )
    ]

    # only fetches earlier events, and they're in time order
    earlier_events = get_earlier_events_for_broadcast_event(events[2].id)
    assert earlier_events == [events[0], events[1]]