from __future__ import annotations

from fastapi import FastAPI
from fastapi.testclient import TestClient

from backend.api.routes_oracle import router


def _build_client() -> TestClient:
    app = FastAPI()
    app.state.db_pool = object()

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

    app.state.broadcast_crm_event = _broadcast_crm_event
    app.include_router(router, prefix="/api/oracle")
    return TestClient(app)


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

    async def fake_execute(tool_name, query, *, crm_pool=None):
        return {"tool": tool_name, "query": query, "status": "ok", "results": [{"title": "Match"}]}

    async def fake_apply_writeback(payload):
        return {
            "actionId": payload["action_id"],
            "status": "applied",
            "targetEntityType": payload["target_entity_type"],
            "targetEntityId": payload["target_entity_id"],
            "resultPayload": {"lead_id": payload["target_entity_id"], "score": 88},
        }

    async def fake_list_actions(*, status=None, limit=50):
        return [{"actionId": "act-1", "status": status or "planned", "targetEntityType": "lead"}]

    monkeypatch.setattr("backend.api.routes_oracle.mcp_registry.execute", fake_execute)
    monkeypatch.setattr("backend.api.routes_oracle.oracle_action_service.apply_writeback", fake_apply_writeback)
    monkeypatch.setattr("backend.api.routes_oracle.oracle_action_service.list_actions", fake_list_actions)

    mcp_response = client.post(
        "/api/oracle/mcp/execute",
        json={"tool_name": "external_search", "query": "luxury marina inventory dubai"},
    )
    assert mcp_response.status_code == 200
    assert mcp_response.json()["data"]["tool"] == "external_search"

    writeback_response = client.post(
        "/api/oracle/actions/writeback",
        json={
            "action_id": "act-1",
            "target_entity_type": "lead",
            "target_entity_id": "lead-1",
            "writeback_payload": {"score_delta": 12},
        },
    )
    assert writeback_response.status_code == 200
    assert writeback_response.json()["data"]["status"] == "applied"

    list_response = client.get("/api/oracle/actions")
    assert list_response.status_code == 200
    assert list_response.json()["meta"]["count"] == 1