from __future__ import annotations

import os

os.environ.setdefault("VELOCITY_JWT_SECRET", "test-secret")

from fastapi import FastAPI
from fastapi.testclient import TestClient

from backend.api.routes_catalyst import router
from backend.auth.dependencies import UserPrincipal, get_current_user
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 _build_authed_client() -> TestClient:
    app = FastAPI()
    app.state.db_pool = object()
    app.dependency_overrides[get_current_user] = lambda: UserPrincipal(
        user_id="sayan",
        role="ADMIN",
        tenant_id="tenant-root",
    )
    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"


def test_catalyst_social_publish_route_is_tenant_scoped(monkeypatch) -> None:
    async def fake_publish_content(*, pool, tenant_id, actor_id, payload):
        assert pool is not None
        assert tenant_id == "tenant-root"
        assert actor_id == "sayan"
        assert payload.platforms[0].value == "facebook"
        return {
            "request_id": "req-1",
            "total": 1,
            "published": 1,
            "scheduled": 0,
            "failed": 0,
            "posts": [{"post_id": "post-1", "platform": "facebook", "status": "published"}],
        }

    monkeypatch.setattr("backend.api.routes_catalyst.publish_content", fake_publish_content)

    response = _build_authed_client().post(
        "/api/catalyst/publish",
        json={
            "platforms": ["facebook"],
            "post_type": "image",
            "caption": "New waterfront inventory is ready.",
            "media_url": "https://assets.example.com/post.jpg",
        },
    )

    assert response.status_code == 201
    assert response.json()["data"]["published"] == 1


def test_catalyst_scheduled_posts_route_filters_scheduled_status(monkeypatch) -> None:
    async def fake_list_posts(*, pool, tenant_id, platform=None, status=None, limit=50):
        assert pool is not None
        assert tenant_id == "tenant-root"
        assert platform is None
        assert status.value == "scheduled"
        assert limit == 25
        return [{"post_id": "post-2", "platform": "linkedin", "status": "scheduled"}]

    monkeypatch.setattr("backend.api.routes_catalyst.list_posts", fake_list_posts)

    response = _build_authed_client().get("/api/catalyst/scheduled?limit=25")

    assert response.status_code == 200
    assert response.json()["meta"]["count"] == 1