"""Tests del router /executions: invoke, get, list, approve, reject."""

from pathlib import Path

import pytest
from fastapi.testclient import TestClient

from forja_core.api import deps
from forja_core.main import create_app

FIXTURES = Path(__file__).parent.parent / "fixtures"


@pytest.fixture(autouse=True)
def patch_settings(tmp_path: Path, monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv("DATA_DIR", str(tmp_path))
    monkeypatch.setenv("AGENTS_DIR", str(FIXTURES / "agents"))
    monkeypatch.setenv("POLICIES_DIR", str(FIXTURES / "policies"))
    monkeypatch.setenv("LLM_PROVIDER", "mock")
    for fn in (
        deps.get_settings,
        deps.get_registry,
        deps.get_policy_store,
        deps.get_orchestrator,
        deps.get_llm_provider,
        deps.get_guardrail_engine,
    ):
        fn.cache_clear()


@pytest.fixture
def client() -> TestClient:
    return TestClient(create_app())


def test_invoke_devuelve_execution_completada(client: TestClient) -> None:
    r = client.post("/agents/incident_analyzer/invoke", json={"input": "degradación MOS pool SBC"})
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "completed"
    assert body["agent_name"] == "incident_analyzer"
    assert body["agent_version"] == "v1"
    assert body["needs_human_for"] is None


def test_invoke_agente_inexistente_404(client: TestClient) -> None:
    r = client.post("/agents/inexistente/invoke", json={"input": "x"})
    assert r.status_code == 404


def test_invoke_riesgo_alto_pausa_hitl(client: TestClient) -> None:
    r = client.post("/agents/incident_analyzer/invoke", json={"input": "caída registros sip"})
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "awaiting_approval"
    assert body["needs_human_for"]
    assert {a["id"] for a in body["needs_human_for"]} == {"act-1"}


def test_get_execution_existe_tras_invoke(client: TestClient) -> None:
    trace_id = client.post(
        "/agents/incident_analyzer/invoke", json={"input": "degradación MOS pool SBC"}
    ).json()["trace_id"]
    r = client.get(f"/executions/{trace_id}")
    assert r.status_code == 200
    assert r.json()["trace_id"] == trace_id


def test_get_execution_inexistente_404(client: TestClient) -> None:
    r = client.get("/executions/00000000-0000-0000-0000-000000000000")
    assert r.status_code == 404


def test_list_executions_incluye_la_completada(client: TestClient) -> None:
    client.post("/agents/incident_analyzer/invoke", json={"input": "degradación MOS pool SBC"})
    r = client.get("/executions")
    assert r.status_code == 200
    rows = r.json()
    assert len(rows) == 1
    assert rows[0]["status"] == "completed"
    assert rows[0]["n_proposed_actions"] == 1


def test_list_executions_incluye_la_awaiting(client: TestClient) -> None:
    """Una ejecución pausada en HITL no se escribe en el JSONL; aún así debe listarse
    (la página de Aprobaciones del dashboard depende de ello)."""
    trace_id = client.post(
        "/agents/incident_analyzer/invoke", json={"input": "caída registros sip"}
    ).json()["trace_id"]
    rows = client.get("/executions").json()
    awaiting = [r for r in rows if r["trace_id"] == trace_id]
    assert len(awaiting) == 1
    assert awaiting[0]["status"] == "awaiting_approval"


def test_approve_resume_completa_ejecucion(client: TestClient) -> None:
    invoked = client.post(
        "/agents/incident_analyzer/invoke", json={"input": "caída registros sip"}
    ).json()
    trace_id = invoked["trace_id"]
    action_ids = [a["id"] for a in invoked["needs_human_for"]]
    r = client.post(
        f"/executions/{trace_id}/approve",
        json={"approved_action_ids": action_ids, "comment": "OK adelante"},
    )
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "completed"
    assert {a["id"] for a in body["final_output"]["approved_actions"]} == {"act-1"}


def test_reject_marca_failed(client: TestClient) -> None:
    trace_id = client.post(
        "/agents/incident_analyzer/invoke", json={"input": "caída registros sip"}
    ).json()["trace_id"]
    r = client.post(f"/executions/{trace_id}/reject", json={"reason": "no procede ahora"})
    assert r.status_code == 200
    body = r.json()
    assert body["status"] == "failed"
    assert "rejected_by_human" in body["error"]


def test_approve_sobre_estado_no_pausado_da_409(client: TestClient) -> None:
    trace_id = client.post(
        "/agents/incident_analyzer/invoke", json={"input": "degradación MOS pool SBC"}
    ).json()["trace_id"]
    r = client.post(f"/executions/{trace_id}/approve", json={"approved_action_ids": []})
    assert r.status_code == 409


def test_approve_trace_id_desconocido_da_404(client: TestClient) -> None:
    r = client.post(
        "/executions/11111111-1111-1111-1111-111111111111/approve",
        json={"approved_action_ids": []},
    )
    assert r.status_code == 404