import pytest

from data import model
from buildtrigger.triggerutil import raise_if_skipped_build, SkipRequestException
from endpoints.building import (start_build, PreparedBuild, MaximumBuildsQueuedException,
                                BuildTriggerDisabledException)

from test.fixtures import *

def test_maximum_builds(app):
  # Change the maximum number of builds to 1.
  user = model.user.create_user('foobar', 'password', 'foo@example.com')
  user.maximum_queued_builds_count = 1
  user.save()

  repo = model.repository.create_repository('foobar', 'somerepo', user)

  # Try to queue a build; should succeed.
  prepared_build = PreparedBuild()
  prepared_build.build_name = 'foo'
  prepared_build.is_manual = True
  prepared_build.dockerfile_id = 'foobar'
  prepared_build.archive_url = 'someurl'
  prepared_build.tags = ['latest']
  prepared_build.subdirectory = '/'
  prepared_build.context = '/'
  prepared_build.metadata = {}

  start_build(repo, prepared_build)

  # Try to queue a second build; should fail.
  with pytest.raises(MaximumBuildsQueuedException):
    start_build(repo, prepared_build)


def test_start_build_disabled_trigger(app):
  trigger = model.build.list_build_triggers('devtable', 'building')[0]
  trigger.enabled = False
  trigger.save()

  build = PreparedBuild(trigger=trigger)

  with pytest.raises(BuildTriggerDisabledException):
    start_build(trigger.repository, build)


@pytest.mark.parametrize('ref, expected_tags', [
  ('ref/heads/somebranch', ['somebranch']),
  ('ref/heads/master', ['master', 'latest']),

  ('ref/tags/somebranch', ['somebranch']),
  ('ref/tags/master', ['master', 'latest']),

  ('ref/heads/slash/branch', ['slash_branch']),
  ('ref/tags/slash/tag', ['slash_tag']),

  ('ref/heads/foobar#2', ['foobar_2']),
])
def test_tags_for_ref(ref, expected_tags):
  prepared = PreparedBuild()
  prepared.tags_from_ref(ref, default_branch='master')
  assert set(prepared._tags) == set(expected_tags)


@pytest.mark.parametrize('metadata, config', [
  ({}, {}),
  pytest.param({'ref': 'ref/heads/master'}, {'branchtag_regex': 'nothing'}, id='branchtag regex'),
  pytest.param({
    'ref': 'ref/heads/master',
    'commit_info': {
      'message': '[skip build]',
    },
  }, {}, id='commit message'),
])
def test_skip(metadata, config):
  prepared = PreparedBuild()
  prepared.metadata = metadata
  config = config

  with pytest.raises(SkipRequestException):
    raise_if_skipped_build(prepared, config)


def test_does_not_skip():
  prepared = PreparedBuild()
  prepared.metadata = {
    'ref': 'ref/heads/master',
    'commit_info': {
      'message': 'some cool message',
    },
  }

  config = {
    'branchtag_regex': '(master)|(heads/master)',
  }

  raise_if_skipped_build(prepared, config)