import json
from django.test import TestCase, Client
from django.urls import reverse
from django.utils import timezone
from django.contrib.auth.models import User
from .models import Department, Instructor, Student

class TestModels(TestCase):
    def setUp(self):
        self.peter = User.objects.create_user('Peter Templer', 'peter@testing.com', 'peterspassword321')
        self.nick = User.objects.create_user('Nick Jenkins', 'nick@testing.com', 'nickspassword321')
        self.department = Department.objects.create(name = "Blandings Castle")
        self.student = Student.objects.create(
            user = self.peter,
            student_number = 357950,
            department = self.department,
        )
        self.instructor = Instructor.objects.create(
            user = self.nick,
            department = self.department,
        )
        
    def test_student_user_relationship(self):
        self.assertEquals(self.peter, self.student.user)

    def test_student_get_absolute_url(self):
        url = self.student.get_absolute_url()
        self.assertEquals(url, '/accounts/1/')

    def test_instructor_user_relationship(self):
        self.assertEquals(self.nick, self.instructor.user)

    def test_instructor_get_absolute_url(self):
        url = self.instructor.get_absolute_url()
        self.assertEquals(url, '/accounts/1/')

class TestViews(TestCase):
    def setUp(self):
        self.client = Client()
        self.reverse_urls = {
            'list': reverse('account-list'),
            'create': reverse('account-create'),
            'detail': reverse('account-detail', args=['1']),
            'update': reverse('account-update', args=['1']),
            'delete': reverse('account-delete', args=['1'])
        }

        self.peter = User.objects.create_user('Peter Templer', 'peter@testing.com', 'peterspassword321')
        self.nick = User.objects.create_user('Nick Jenkins', 'nick@testing.com', 'nickspassword321')
        self.department = Department.objects.create(name = "Blandings Castle")
        self.student = Student.objects.create(
            user = self.peter,
            student_number = 357950,
            department = self.department,
        )
        self.instructor = Instructor.objects.create(
            user = self.nick,
            department = self.department,
        )
        self.client.force_login(self.peter)

    def test_students_list(self):
        response = self.client.get(self.reverse_urls['list'])
        self.assertEquals(response.status_code, 200)
        self.assertTemplateUsed(response, 'accounts/account_list.html')

    def test_students_create_GET(self):
        response = self.client.get(self.reverse_urls['create'])
        self.assertEquals(response.status_code, 200)
        self.assertTemplateUsed(response, 'accounts/account_form.html')

    def test_students_create_POST(self):
        response = self.client.post(self.reverse_urls['create'], {
            'user': self.peter.id,
            'student_number': 357950,
            'department': self.department,
        }, follow=True)

        self.assertRedirects(
            response,
            reverse('account-detail', args=[self.peter.id]),
            status_code=302,
            target_status_code=200,
            fetch_redirect_response=True
        )

    def test_students_detail(self):
        response = self.client.get(self.reverse_urls['detail'])
        self.assertEquals(response.status_code, 200)
        self.assertTemplateUsed(response, 'accounts/account_detail.html')

    def test_students_update_GET(self):
        response = self.client.get(self.reverse_urls['update'])
        self.assertEquals(response.status_code, 200)
        self.assertTemplateUsed(response, 'accounts/account_form.html')

    def test_students_update_POST(self):
        pass

    def test_student_delete(self):
        response = self.client.get(self.reverse_urls['delete'])
        self.assertEquals(response.status_code, 200)
        self.assertTemplateUsed(response, 'accounts/account_confirm_delete.html')

    def test_student_delete(self):
        response = self.client.delete(self.reverse_urls['delete'], json.dumps({ 'id': 1 }))

        self.assertEquals(response.status_code, 302)