import uuid

from hc.api.models import Channel, Check
from hc.test import BaseTestCase


class UpdateCheckTestCase(BaseTestCase):

    def setUp(self):
        super(UpdateCheckTestCase, self).setUp()
        self.check = Check(user=self.alice, project=self.project)
        self.check.save()

    def post(self, code, data):
        url = "/api/v1/checks/%s" % code
        return self.client.post(url, data, content_type="application/json")

    def test_it_works(self):
        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "name": "Foo",
            "tags": "bar,baz",
            "timeout": 3600,
            "grace": 60
        })

        self.assertEqual(r.status_code, 200)
        self.assertEqual(r["Access-Control-Allow-Origin"], "*")

        doc = r.json()
        assert "ping_url" in doc
        self.assertEqual(doc["name"], "Foo")
        self.assertEqual(doc["tags"], "bar,baz")
        self.assertEqual(doc["last_ping"], None)
        self.assertEqual(doc["n_pings"], 0)

        self.assertTrue("schedule" not in doc)
        self.assertTrue("tz" not in doc)

        self.assertEqual(Check.objects.count(), 1)

        self.check.refresh_from_db()
        self.assertEqual(self.check.name, "Foo")
        self.assertEqual(self.check.tags, "bar,baz")
        self.assertEqual(self.check.timeout.total_seconds(), 3600)
        self.assertEqual(self.check.grace.total_seconds(), 60)

    def test_it_handles_options(self):
        r = self.client.options("/api/v1/checks/%s" % self.check.code)
        self.assertEqual(r.status_code, 204)
        self.assertIn("POST", r["Access-Control-Allow-Methods"])

    def test_it_unassigns_channels(self):
        Channel.objects.create(user=self.alice, project=self.project)
        self.check.assign_all_channels()

        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": ""
        })

        self.assertEqual(r.status_code, 200)
        check = Check.objects.get()
        self.assertEqual(check.channel_set.count(), 0)

    def test_it_requires_post(self):
        url = "/api/v1/checks/%s" % self.check.code
        r = self.client.get(url, HTTP_X_API_KEY="X" * 32)
        self.assertEqual(r.status_code, 405)

    def test_it_handles_invalid_uuid(self):
        r = self.post("not-an-uuid", {"api_key": "X" * 32})
        self.assertEqual(r.status_code, 404)

    def test_it_handles_missing_check(self):
        made_up_code = "07c2f548-9850-4b27-af5d-6c9dc157ec02"
        r = self.post(made_up_code, {"api_key": "X" * 32})
        self.assertEqual(r.status_code, 404)

    def test_it_validates_ownership(self):
        check = Check(user=self.bob, status="up", project=self.bobs_project)
        check.save()

        r = self.post(check.code, {"api_key": "X" * 32})
        self.assertEqual(r.status_code, 403)

    def test_it_updates_cron_to_simple(self):
        self.check.kind = "cron"
        self.check.schedule = "5 * * * *"
        self.check.save()

        r = self.post(self.check.code, {"api_key": "X" * 32, "timeout": 3600})
        self.assertEqual(r.status_code, 200)

        self.check.refresh_from_db()
        self.assertEqual(self.check.kind, "simple")

    def test_it_sets_single_channel(self):
        channel = Channel.objects.create(user=self.alice, project=self.project)
        # Create another channel so we can test that only the first one
        # gets assigned:
        Channel.objects.create(user=self.alice, project=self.project)

        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": str(channel.code)
        })

        self.assertEqual(r.status_code, 200)

        self.check.refresh_from_db()
        self.assertEqual(self.check.channel_set.count(), 1)
        self.assertEqual(self.check.channel_set.first().code, channel.code)

    def test_it_handles_comma_separated_channel_codes(self):
        c1 = Channel.objects.create(user=self.alice, project=self.project)
        c2 = Channel.objects.create(user=self.alice, project=self.project)
        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": "%s,%s" % (c1.code, c2.code)
        })

        self.assertEqual(r.status_code, 200)

        self.check.refresh_from_db()
        self.assertEqual(self.check.channel_set.count(), 2)

    def test_it_handles_asterix(self):
        Channel.objects.create(user=self.alice, project=self.project)
        Channel.objects.create(user=self.alice, project=self.project)
        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": "*"
        })

        self.assertEqual(r.status_code, 200)

        self.check.refresh_from_db()
        self.assertEqual(self.check.channel_set.count(), 2)

    def test_it_ignores_channels_if_channels_key_missing(self):
        Channel.objects.create(user=self.alice, project=self.project)
        self.check.assign_all_channels()

        r = self.post(self.check.code, {"api_key": "X" * 32})
        self.assertEqual(r.status_code, 200)
        check = Check.objects.get()
        self.assertEqual(check.channel_set.count(), 1)

    def test_it_rejects_bad_channel_code(self):
        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": str(uuid.uuid4())
        })

        self.assertEqual(r.status_code, 400)

        self.check.refresh_from_db()
        self.assertEqual(self.check.channel_set.count(), 0)

    def test_it_rejects_non_uuid_channel_code(self):
        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": "foo"
        })

        self.assertEqual(r.status_code, 400)

        self.check.refresh_from_db()
        self.assertEqual(self.check.channel_set.count(), 0)

    def test_it_rejects_non_string_channels_key(self):
        r = self.post(self.check.code, {
            "api_key": "X" * 32,
            "channels": None
        })

        self.assertEqual(r.status_code, 400)