import json

TEST_NAME = "lessons:delete"


def run(context) -> None:
    path = f"/api/classes/{context.class_id}/lessons/{context.lesson_first_id}"
    status, _, _ = context.send_request("DELETE", path)
    context.expect(status == 401, f"expected 401, got {status}")

    status, _, _ = context.send_request(
        "DELETE",
        f"/api/classes/{context.class_id + 999}/lessons/"
        f"{context.lesson_first_id}",
        headers=context.make_auth(
            context.teacher_username,
            context.teacher_password,
        ),
    )
    context.expect(
        status == 403,
        f"expected 403 for foreign class, got {status}",
    )

    status, _, _ = context.send_request(
        "DELETE",
        path,
        headers=context.make_auth(
            context.teacher_username,
            context.teacher_password,
        ),
    )
    context.expect(status == 204, f"expected 204, got {status}")

    status, _, _ = context.send_request(
        "DELETE",
        path,
        headers=context.make_auth(
            context.teacher_username,
            context.teacher_password,
        ),
    )
    context.expect(status == 404, f"expected 404 after delete, got {status}")

    filter_path = (
        f"/api/classes/{context.class_id}/lessons/date/"
        f"{context.lesson_first_date}"
    )
    status, body, _ = context.send_request(
        "GET",
        filter_path,
        headers=context.make_auth(
            context.teacher_username,
            context.teacher_password,
        ),
    )
    context.expect(status == 200, f"expected 200 for filter, got {status}")

    filtered = json.loads(body).get("уроки", [])
    context.expect(len(filtered) == 0, "filter should be empty after delete")

    status, body, _ = context.send_request(
        "GET",
        f"/api/classes/{context.class_id}/lessons",
        headers=context.make_auth(
            context.teacher_username,
            context.teacher_password,
        ),
    )
    context.expect(status == 200, f"expected 200 for list, got {status}")

    remaining = json.loads(body).get("уроки", [])
    context.expect(
        any(
            int(item[context.K_IDENTIFIER]) == context.lesson_second_id
            for item in remaining
        ),
        "second lesson missing after delete",
    )

    context.lesson_first_id = None