from __future__ import annotations

from fastapi import FastAPI
from fastapi.testclient import TestClient

from backend.api.routes_catalyst import router
from backend.services.ad_network_service import BidAction, Platform


def _build_client() -> TestClient:
    app = FastAPI()

    async def _broadcast_live_event(*_args, **_kwargs):
        return None

    app.state.broadcast_live_event = _broadcast_live_event
    app.include_router(router, prefix="/api/catalyst")
    return TestClient(app)


def test_catalyst_campaigns_and_google_budget_routes(monkeypatch) -> None:
    client = _build_client()

    async def fake_list_campaigns(platform=None):
        return [
            type(
                "Campaign",
                (),
                {
                    "id": "google-camp-001",
                    "name": "Search Investors",
                    "platform": Platform.GOOGLE,
                    "status": type("Status", (), {"value": "active"})(),
                    "daily_budget": 5000,
                    "spent": 0,
                    "objective": "SEARCH",
                    "bid_strategy": "TARGET_ROAS",
                },
            )()
        ]

    async def fake_get_insights(**_kwargs):
        return [
            {
                "campaign_id": "google-camp-001",
                "spend": 2400,
                "impressions": 120000,
                "clicks": 4200,
                "conversions": 38,
            }
        ]

    async def fake_update_budget(_payload):
        return {"status": "ok", "platform": "google", "mode": "simulated"}

    async def fake_update_bid_strategy(_payload):
        return BidAction(
            action_id="act-1",
            campaign_id="google-camp-001",
            platform=Platform.GOOGLE,
            old_strategy="TARGET_CPA",
            new_strategy="TARGET_ROAS",
            target_value=8.5,
            executed_at="2026-04-12T00:00:00Z",
        )

    monkeypatch.setattr("backend.api.routes_catalyst.ad_network_service.list_campaigns", fake_list_campaigns)
    monkeypatch.setattr("backend.api.routes_catalyst.ad_network_service.get_insights", fake_get_insights)
    monkeypatch.setattr("backend.api.routes_catalyst.ad_network_service.update_budget", fake_update_budget)
    monkeypatch.setattr("backend.api.routes_catalyst.ad_network_service.update_bid_strategy", fake_update_bid_strategy)

    campaigns = client.get("/api/catalyst/campaigns")
    assert campaigns.status_code == 200
    assert campaigns.json()["data"][0]["platform"] == "google"
    assert campaigns.json()["data"][0]["conversions"] == 38

    budget = client.put(
        "/api/catalyst/budget",
        json={"campaign_id": "google-camp-001", "platform": "google", "daily_budget": 6500},
    )
    assert budget.status_code == 200
    assert budget.json()["data"]["platform"] == "google"

    bid = client.put(
        "/api/catalyst/bid-strategy",
        json={
            "campaign_id": "google-camp-001",
            "platform": "google",
            "strategy": "TARGET_ROAS",
            "target_value": 8.5,
        },
    )
    assert bid.status_code == 200
    assert bid.json()["data"]["new_strategy"] == "TARGET_ROAS"