from fastapi import FastAPI
from fastapi.testclient import TestClient


def test_quick_setup_creates_draft_subscription_and_links_existing_connection(monkeypatch):
    from app.modules.internet_connections.backend import router as internet_router
    from app.subscriptions.backend import router as subscription_router

    def fake_query_single(sql, params=None):
        if "FROM customers" in sql:
            return {"id": 7, "name": "Testkunde"}
        if "FROM products" in sql:
            return {
                "id": 11,
                "name": "Internet 1000/1000",
                "short_description": "Fiber internet",
                "sales_price": 799,
                "attributes_json": {"network": {"kind": "internet_access"}},
                "type": "service",
            }
        if "FROM internet_connections_connections" in sql:
            return {"id": 23, "name": "GC kredsløb", "customer_id": None, "subscription_id": None}
        if "INSERT INTO sag_sager" in sql:
            return {"id": 31, "titel": "Internet - Testkunde", "customer_id": 7}
        return None

    async def fake_create_subscription(payload, current_user=None):
        assert payload["sag_id"] == 31
        assert payload["line_items"][0]["product_id"] == 11
        return {"id": 41, "status": "draft"}

    async def fake_update_connection(connection_id, payload):
        assert connection_id == 23
        assert payload.subscription_id == 41
        assert payload.customer_id == 7
        return {"id": 23, "subscription_id": 41, "customer_id": 7}

    monkeypatch.setattr(internet_router, "execute_query_single", fake_query_single)
    monkeypatch.setattr(
        internet_router,
        "build_network_product_profile",
        lambda product, fallback_text=None: {"kind": "internet_access"},
    )
    monkeypatch.setattr(internet_router, "_resolve_group_id_by_name_tokens", lambda tokens: 3)
    monkeypatch.setattr(internet_router, "update_connection", fake_update_connection)
    monkeypatch.setattr(subscription_router, "create_subscription", fake_create_subscription)

    app = FastAPI()
    app.include_router(internet_router.router, prefix="/api/v1")
    response = TestClient(app).post(
        "/api/v1/internet-connections/quick-setup",
        json={
            "customer_id": 7,
            "product_id": 11,
            "start_date": "2026-10-01",
            "connection_id": 23,
            "billing_interval": "monthly",
            "billing_day": 1,
        },
    )

    assert response.status_code == 200, response.text
    body = response.json()
    assert body["subscription"]["status"] == "draft"
    assert body["connection"]["subscription_id"] == 41


def test_quick_setup_shared_fiber_does_not_require_or_create_subscription(monkeypatch):
    from app.modules.internet_connections.backend import router as internet_router

    def fake_query_single(sql, params=None):
        if "LOWER(TRIM(c.name))" in sql:
            return {"id": 1662, "name": "BMC Networks"}
        if "SELECT id, name FROM customers" in sql:
            return {"id": 1662, "name": "BMC Networks"}
        return None

    async def fake_create_connection(payload):
        assert payload.customer_id == 1662
        assert payload.allocation_model == "shared"
        assert payload.value_type == "delefiber"
        assert payload.is_manual_shared is True
        assert payload.subscription_id is None
        return {"id": 88, "name": payload.name, "customer_id": payload.customer_id}

    monkeypatch.setattr(internet_router, "execute_query_single", fake_query_single)
    monkeypatch.setattr(internet_router, "create_connection", fake_create_connection)

    app = FastAPI()
    app.include_router(internet_router.router, prefix="/api/v1")
    response = TestClient(app).post(
        "/api/v1/internet-connections/quick-setup",
        json={
            "shared_fiber": True,
            "connection_name": "Delt fiber - Testvej 1",
            "vendor_id": 2,
            "address": "Testvej 1",
            "monthly_cost": 1500,
        },
    )

    assert response.status_code == 200, response.text
    body = response.json()
    assert body["sag"] is None
    assert body["subscription"] is None
    assert body["connection"]["id"] == 88