from apps.tickets.models import Ticket


def test_create_and_list_solution(admin_client, db):
    response = admin_client.post(
        "/api/solutions",
        data={
            "title": "Restart callback worker",
            "problem_signature": "HTTP 500 from callback",
            "root_cause": "Worker connection pool stale",
            "solution": "Restart callback worker and verify queue depth.",
            "status": "published",
        },
        content_type="application/json",
    )

    assert response.status_code == 200
    solution_id = response.json()["id"]

    response = admin_client.get("/api/solutions")
    assert response.status_code == 200
    assert response.json()[0]["id"] == solution_id


def test_link_solution_to_ticket_increments_usage(admin_client, db):
    ticket = Ticket.objects.create(ticket_no="TK202606300020", title="A", description="A")
    solution = admin_client.post(
        "/api/solutions",
        data={"title": "S", "problem_signature": "P", "root_cause": "R", "solution": "Do S"},
        content_type="application/json",
    ).json()

    response = admin_client.post(
        f"/api/solutions/{solution['id']}/link-ticket",
        data={"ticket_id": ticket.id, "link_type": "adopted"},
        content_type="application/json",
    )

    assert response.status_code == 200
    assert response.json()["link_type"] == "adopted"
    assert response.json()["solution_usage_count"] == 1


def test_list_ticket_solutions_returns_linked_solution_details(admin_client, db):
    ticket = Ticket.objects.create(ticket_no="TK202607020001", title="A", description="A")
    solution = admin_client.post(
        "/api/solutions",
        data={
            "title": "Restart callback worker",
            "problem_signature": "Callback timeout",
            "root_cause": "Worker queue blocked",
            "solution": "Restart worker and verify queue depth.",
            "status": "published",
        },
        content_type="application/json",
    ).json()
    admin_client.post(
        f"/api/solutions/{solution['id']}/link-ticket",
        data={"ticket_id": ticket.id, "link_type": "adopted"},
        content_type="application/json",
    )

    response = admin_client.get(f"/api/solutions/tickets/{ticket.id}")

    assert response.status_code == 200
    payload = response.json()
    assert payload[0]["link_type"] == "adopted"
    assert payload[0]["solution"]["title"] == "Restart callback worker"