import copy

from ...utils import _test_case_client, _test_case_client_without_response, assert_model_changes
from ...fake_data import create_year_group, create_students, create_student

valid_data = {
    'first_name': 'Albert',
    'last_name': 'Rose',
    'index': 234_343,
    'email': 'albert@gmail.com'
}

new_data = {
    'first_name': 'Martin',
    'last_name': 'Green',
    'pesel': '93030312894'
}

data_to_create_student = {
    **new_data,
    'index': 123_456
}


def test_list_students(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        create_students(yg, 45)
        data = _test_case_client_without_response(client, f'/api/coordinator/students/{yg.id}/?per_page=10', None, 200,
                                                  method='get')
        assert data.get('max_pages') == 5
        assert len(data.get('students')) == 10


def test_detail_student(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        st = create_student(valid_data, yg.id)
        data = _test_case_client_without_response(client, f'/api/coordinator/students/{st.index}/detail/', None, 200,
                                                  method='get')
        assert_model_changes(st, data)


def test_detail_student_if_student_doesnt_exist(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        _test_case_client(client, '/api/coordinator/students/43/detail/', None, 'Not found student!', 404,
                          method='get', key='error')


def test_delete_student(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        st = create_student(valid_data, yg.id)
        _test_case_client(client, f'/api/coordinator/students/{st.index}/', None, 'Student was deleted!', 202,
                          method='delete')


def test_delete_student_if_student_doesnt_exist(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        _test_case_client(client, '/api/coordinator/students/43/', None, 'Not found student!', 404,
                          method='delete', key='error')


def test_edit_student(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        st = create_student(valid_data, yg.id)
        _test_case_client(client, f'/api/coordinator/students/{st.index}/', new_data, 'Student was updated!', 200,
                          method='put')


def test_edit_student_with_invalid_data(test_app_with_context) -> None:
    data = copy.copy(new_data)
    data['pesel'] = '43333333333433443'
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        st = create_student(valid_data, yg.id)
        _test_case_client(client, f'/api/coordinator/students/{st.index}/', data, 'Validation error', 400, method='put')


def test_edit_student_if_student_doesnt_exist(test_app_with_context) -> None:
    with test_app_with_context.test_client() as client:
        _test_case_client(client, '/api/coordinator/students/54/', new_data, 'Not found student!', 404, method='put',
                          key='error')


def test_create_student(test_app_with_context) -> None:
    data = copy.copy(data_to_create_student)
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        data['year_group_id'] = yg.id
        _test_case_client(client, '/api/coordinator/students/', data, 'Student was created!', 200, method='post')


def test_create_student_with_invalid_data(test_app_with_context) -> None:
    data = copy.copy(data_to_create_student)
    data['pesel'] = '434343434343344'
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        data['year_group_id'] = yg.id
        _test_case_client(client, '/api/coordinator/students/', data, 'Validation error', 400, method='post')


def test_create_student_if_year_group_doesnt_exist(test_app_with_context) -> None:
    data = copy.copy(data_to_create_student)
    with test_app_with_context.test_client() as client:
        data['year_group_id'] = 34
        _test_case_client(client, '/api/coordinator/students/', data, 'Not found year group!', 404, method='post',
                          key='error')


def test_create_student_if_student_has_already_assigned_to_this_group(test_app_with_context) -> None:
    data = copy.copy(data_to_create_student)
    with test_app_with_context.test_client() as client:
        yg = create_year_group()
        create_student(data, yg.id)
        data['year_group_id'] = yg.id
        _test_case_client(client, '/api/coordinator/students/', data, 'You are assigned to this year group!', 400,
                          method='post', key='error')