from django.test import TestCase
from model_mommy import mommy

from api.models import IMAGE_CLASSIFICATION, SEQUENCE_LABELING, ExampleState

from .api.utils import prepare_project


class TestExampleState(TestCase):

    def setUp(self):
        self.project = prepare_project(SEQUENCE_LABELING)
        self.example = mommy.make('Example', project=self.project.item)
        self.other = mommy.make('Example', project=self.project.item)
        self.examples = self.project.item.examples.all()

    def test_initial_done(self):
        done = ExampleState.objects.count_done(self.examples)
        self.assertEqual(done, 0)

    def test_done_confirmed_by_user(self):
        mommy.make('ExampleState', example=self.example, confirmed_by=self.project.users[0])
        done = ExampleState.objects.count_done(self.examples)
        self.assertEqual(done, 1)

    def test_done_confirmed_by_multiple_user(self):
        mommy.make('ExampleState', example=self.example, confirmed_by=self.project.users[0])
        mommy.make('ExampleState', example=self.example, confirmed_by=self.project.users[1])
        done = ExampleState.objects.count_done(self.examples)
        self.assertEqual(done, 1)

    def test_done_confirmed_by_different_example(self):
        mommy.make('ExampleState', example=self.example, confirmed_by=self.project.users[0])
        mommy.make('ExampleState', example=self.other, confirmed_by=self.project.users[1])
        done = ExampleState.objects.count_done(self.examples, self.project.users[0])
        self.assertEqual(done, 1)

    def test_initial_user(self):
        progress = ExampleState.objects.measure_member_progress(self.examples, self.project.users)
        expected_progress = [{'user': user.username, 'done': 0} for user in self.project.users]
        self.assertEqual(progress, {'total': 2, 'progress': expected_progress})

    def test_user_count_after_confirmation(self):
        mommy.make('ExampleState', example=self.example, confirmed_by=self.project.users[0])
        progress = ExampleState.objects.measure_member_progress(self.examples, self.project.users)
        expected_progress = [{'user': user.username, 'done': 0} for user in self.project.users]
        expected_progress[0]['done'] = 1
        self.assertEqual(progress, {'total': 2, 'progress': expected_progress})

    def test_user_count_after_multiple_user_confirmation(self):
        user1 = self.project.users[0]
        user2 = self.project.users[1]
        mommy.make('ExampleState', example=self.example, confirmed_by=user1)
        mommy.make('ExampleState', example=self.example, confirmed_by=user2)
        progress = ExampleState.objects.measure_member_progress(self.examples, self.project.users)
        expected_progress = [{'user': user.username, 'done': 0} for user in self.project.users]
        expected_progress[0]['done'] = 1
        expected_progress[1]['done'] = 1
        self.assertEqual(progress, {'total': 2, 'progress': expected_progress})


class TestExample(TestCase):

    def test_text_project_returns_text_as_data_property(self):
        project = prepare_project(SEQUENCE_LABELING)
        example = mommy.make('Example', project=project.item)
        self.assertEqual(example.text, example.data)

    def test_image_project_returns_filename_as_data_property(self):
        project = prepare_project(IMAGE_CLASSIFICATION)
        example = mommy.make('Example', project=project.item)
        self.assertEqual(str(example.filename), example.data)