import json
import uuid

from app.models import ServiceDataRetention
from tests import create_admin_authorization_header
from tests.app.db import create_service_data_retention


def test_get_service_data_retention(client, sample_service):
    sms_data_retention = create_service_data_retention(service=sample_service)
    email_data_retention = create_service_data_retention(
        service=sample_service, notification_type="email", days_of_retention=10
    )

    response = client.get(
        "/service/{}/data-retention".format(str(sample_service.id)),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
    )

    assert response.status_code == 200
    json_response = json.loads(response.get_data(as_text=True))
    assert len(json_response) == 2
    assert json_response[0] == email_data_retention.serialize()
    assert json_response[1] == sms_data_retention.serialize()


def test_get_service_data_retention_returns_empty_list(client, sample_service):
    response = client.get(
        "/service/{}/data-retention".format(str(sample_service.id)),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
    )
    assert response.status_code == 200
    assert len(json.loads(response.get_data(as_text=True))) == 0


def test_get_data_retention_for_service_notification_type(client, sample_service):
    data_retention = create_service_data_retention(service=sample_service)
    response = client.get(
        "/service/{}/data-retention/notification-type/{}".format(
            sample_service.id, "sms"
        ),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
    )
    assert response.status_code == 200
    assert json.loads(response.get_data(as_text=True)) == data_retention.serialize()


def test_get_service_data_retention_by_id(client, sample_service):
    sms_data_retention = create_service_data_retention(service=sample_service)
    create_service_data_retention(
        service=sample_service, notification_type="email", days_of_retention=10
    )
    create_service_data_retention(
        service=sample_service, notification_type="letter", days_of_retention=30
    )
    response = client.get(
        "/service/{}/data-retention/{}".format(
            str(sample_service.id), sms_data_retention.id
        ),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
    )
    assert response.status_code == 200
    assert json.loads(response.get_data(as_text=True)) == sms_data_retention.serialize()


def test_get_service_data_retention_by_id_returns_none_when_no_data_retention_exists(
    client, sample_service
):
    response = client.get(
        "/service/{}/data-retention/{}".format(str(sample_service.id), uuid.uuid4()),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
    )
    assert response.status_code == 200
    assert json.loads(response.get_data(as_text=True)) == {}


def test_create_service_data_retention(client, sample_service):
    data = {"notification_type": "sms", "days_of_retention": 3}
    response = client.post(
        "/service/{}/data-retention".format(str(sample_service.id)),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
        data=json.dumps(data),
    )

    assert response.status_code == 201
    json_resp = json.loads(response.get_data(as_text=True))["result"]
    results = ServiceDataRetention.query.all()
    assert len(results) == 1
    data_retention = results[0]
    assert json_resp == data_retention.serialize()


def test_create_service_data_retention_returns_400_when_notification_type_is_invalid(
    client,
):
    data = {"notification_type": "unknown", "days_of_retention": 3}
    response = client.post(
        "/service/{}/data-retention".format(str(uuid.uuid4())),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
        data=json.dumps(data),
    )
    json_resp = json.loads(response.get_data(as_text=True))
    assert response.status_code == 400
    assert json_resp["errors"][0]["error"] == "ValidationError"
    assert (
        json_resp["errors"][0]["message"]
        == "notification_type unknown is not one of [sms, email]"
    )


def test_create_service_data_retention_returns_400_when_data_retention_for_notification_type_already_exists(
    client, sample_service
):
    create_service_data_retention(service=sample_service)
    data = {"notification_type": "sms", "days_of_retention": 3}
    response = client.post(
        "/service/{}/data-retention".format(str(uuid.uuid4())),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
        data=json.dumps(data),
    )

    assert response.status_code == 400
    json_resp = json.loads(response.get_data(as_text=True))
    assert json_resp["result"] == "error"
    assert (
        json_resp["message"]
        == "Service already has data retention for sms notification type"
    )


def test_modify_service_data_retention(client, sample_service):
    data_retention = create_service_data_retention(service=sample_service)
    data = {"days_of_retention": 3}
    response = client.post(
        "/service/{}/data-retention/{}".format(sample_service.id, data_retention.id),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
        data=json.dumps(data),
    )
    assert response.status_code == 204
    assert response.get_data(as_text=True) == ""


def test_modify_service_data_retention_returns_400_when_data_retention_does_not_exist(
    client, sample_service
):
    data = {"days_of_retention": 3}
    response = client.post(
        "/service/{}/data-retention/{}".format(sample_service.id, uuid.uuid4()),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
        data=json.dumps(data),
    )

    assert response.status_code == 404


def test_modify_service_data_retention_returns_400_when_data_is_invalid(client):
    data = {"bad_key": 3}
    response = client.post(
        "/service/{}/data-retention/{}".format(uuid.uuid4(), uuid.uuid4()),
        headers=[
            ("Content-Type", "application/json"),
            create_admin_authorization_header(),
        ],
        data=json.dumps(data),
    )
    assert response.status_code == 400