from django.utils import timezone as tz

import pytest
from model_bakery import baker

from aircox import models
from aircox.test import Interface, File
from aircox.controllers import log_archiver


@pytest.fixture
def diffusions(episodes):
    items = [
        baker.prepare(
            models.Diffusion,
            program=episode.program,
            episode=episode,
            type=models.Diffusion.TYPE_ON_AIR,
        )
        for episode in episodes
    ]
    models.Diffusion.objects.bulk_create(items)
    return items


@pytest.fixture
def logs(diffusions, sound, tracks):
    now = tz.now()
    station = diffusions[0].program.station
    items = [
        models.Log(
            station=diffusion.program.station,
            type=models.Log.TYPE_START,
            date=now + tz.timedelta(hours=-10, minutes=i),
            source="13",
            diffusion=diffusion,
        )
        for i, diffusion in enumerate(diffusions)
    ]
    items += [
        models.Log(
            station=station,
            type=models.Log.TYPE_ON_AIR,
            date=now + tz.timedelta(hours=-9, minutes=i),
            source="14",
            track=track,
            sound=track.sound,
        )
        for i, track in enumerate(tracks)
    ]
    models.Log.objects.bulk_create(items)
    return items


@pytest.fixture
def logs_qs(logs):
    return models.Log.objects.filter(pk__in=(r.pk for r in logs))


@pytest.fixture
def file():
    return File(data=b"")


@pytest.fixture
def gzip(file):
    gzip = Interface.inject(log_archiver, "gzip", {"open": file})
    yield gzip
    gzip._irelease()


@pytest.fixture
def archiver():
    return log_archiver.LogArchiver()


class TestLogArchiver:
    @pytest.mark.django_db
    def test_archive_then_load_file(self, archiver, file, gzip, logs, logs_qs):
        # before logs are deleted from db, get data
        sorted = archiver.sort_logs(logs_qs)
        paths = {archiver.get_path(station, date) for station, date in sorted.keys()}

        count = archiver.archive(logs_qs, keep=False)
        assert count == len(logs)
        assert not logs_qs.count()
        assert all(path in paths for path, *_ in gzip._traces("open", args=True))

        results = archiver.load_file("dummy path")
        assert results

    @pytest.mark.django_db
    def test_archive_no_qs(self, archiver):
        count = archiver.archive(models.Log.objects.none())
        assert not count

    @pytest.mark.django_db
    def test_sort_log(self, archiver, logs_qs):
        sorted = archiver.sort_logs(logs_qs)

        assert sorted
        for (station, date), logs in sorted.items():
            assert all(log.station == station and log.date.date() == date for log in logs)