from datetime import timedelta

from factories import make_account, make_txn
from fintracker.analytics import today_local


async def test_rules_crud(client, auth_headers):
    r = await client.post(
        "/api/v1/rules",
        headers=auth_headers,
        json={"kind": "savings", "match_type": "payee", "pattern": "Копилка", "priority": 10},
    )
    assert r.status_code == 201
    rule_id = r.json()["id"]
    assert r.json()["enabled"] is True
    assert r.json()["match_count"] == 0

    r = await client.get("/api/v1/rules", headers=auth_headers)
    assert [x["id"] for x in r.json()] == [rule_id]

    r = await client.patch(
        f"/api/v1/rules/{rule_id}", headers=auth_headers, json={"pattern": "Копилка%"}
    )
    assert r.status_code == 200 and r.json()["pattern"] == "Копилка%"

    r = await client.patch(f"/api/v1/rules/{rule_id}", headers=auth_headers, json={"kind": None})
    assert r.status_code == 400

    r = await client.post(
        "/api/v1/rules",
        headers=auth_headers,
        json={"kind": "nonsense", "match_type": "payee", "pattern": "x"},
    )
    assert r.status_code == 422

    r = await client.delete(f"/api/v1/rules/{rule_id}", headers=auth_headers)
    assert r.status_code == 204
    r = await client.delete(f"/api/v1/rules/{rule_id}", headers=auth_headers)
    assert r.status_code == 404
    assert (await client.get("/api/v1/rules", headers=auth_headers)).json() == []


async def test_apply_runs_the_refresh_and_reports_stale_rules(client, auth_headers):
    card = await make_account(name="Карта", balance="10000")
    await make_txn(
        today_local() - timedelta(days=2),
        outcome="5000",
        outcome_account_id=card,
        payee="Копилка",
    )
    matching = (
        await client.post(
            "/api/v1/rules",
            headers=auth_headers,
            json={"kind": "savings", "match_type": "payee", "pattern": "копилка"},
        )
    ).json()["id"]
    rotten = (
        await client.post(
            "/api/v1/rules",
            headers=auth_headers,
            json={"kind": "one_off", "match_type": "payee", "pattern": "Ничего не совпадает"},
        )
    ).json()["id"]

    r = await client.post("/api/v1/rules/apply", headers=auth_headers)
    assert r.status_code == 202
    assert r.json()["error"] is None
    assert r.json()["trigger"] == "rules"

    by_id = {x["id"]: x for x in (await client.get("/api/v1/rules", headers=auth_headers)).json()}
    assert by_id[matching]["match_count"] == 1
    assert by_id[matching]["last_matched_at"] is not None
    assert by_id[rotten]["match_count"] == 0

    r = await client.get("/api/v1/rules/stale", headers=auth_headers)
    assert [x["id"] for x in r.json()] == [rotten]

    quality = (await client.get("/api/v1/data-quality", headers=auth_headers)).json()
    stale = [row for row in quality if row["check_name"] == "stale_rule"]
    assert len(stale) == 1 and stale[0]["ref"] == {"rule_id": rotten}