"""The worker's job API (/api/jobs) and the Admin feed settings and resource map (/api/admin/feed)."""

from __future__ import annotations

import json
from typing import Any

from fastapi.testclient import TestClient
from pshelpers import app_conn, needs_pg, sign_in

from packetstation import db
from packetstation.settings import Settings

pytestmark = needs_pg


def listen(settings: Settings, channel: str) -> Any:
    conn = db.connect_as("worker", settings, autocommit=True)
    conn.execute(f"LISTEN {channel}")
    return conn


def notes(conn: Any) -> list[Any]:
    return list(conn.notifies(timeout=3, stop_after=1))


def test_jobs_list_and_run_now(pg_client: TestClient, pg_settings: Settings) -> None:
    assert sign_in(pg_client, "clerk.clara").status_code == 200
    r = pg_client.get("/api/jobs")
    assert r.status_code == 200, r.text
    body = r.json()
    assert [j["job"] for j in body["jobs"]] == ["drawing-lookup", "housekeeping", "visual-feed"]
    assert body["heartbeat"]["stale"] is True and body["heartbeat"]["at"] is None
    assert all(j["last_run"] is None and j["pending"] == 0 for j in body["jobs"])

    listener = listen(pg_settings, "ps_job_request")
    try:
        r = pg_client.post("/api/jobs/visual-feed/run", json={"note": "check"})
        assert r.status_code == 200 and r.json() == {"requested": True, "pending": 1}, r.text
        got = notes(listener)
        assert got and json.loads(got[0].payload) == {"job": "visual-feed"}
    finally:
        listener.close()
    r = pg_client.post("/api/jobs/visual-feed/run")
    assert r.json()["pending"] == 2
    with app_conn(pg_settings) as conn:
        req = conn.execute(
            "SELECT r.note, u.sam_account FROM job_requests r JOIN users u ON u.id = r.requested_by ORDER BY r.id"
        ).fetchall()
        assert req == [("check", "clerk.clara"), (None, "clerk.clara")]
        audit = conn.execute(
            "SELECT role_snapshot, subject_id FROM audit_events WHERE action = 'job.run_requested'"
        ).fetchall()
        assert len(audit) == 2 and audit[0][1] == "visual-feed"
    assert [j["pending"] for j in pg_client.get("/api/jobs").json()["jobs"] if j["job"] == "visual-feed"] == [2]


def test_jobs_unknown_and_refused(pg_client: TestClient) -> None:
    assert sign_in(pg_client, "clerk.clara").status_code == 200
    assert pg_client.post("/api/jobs/no-such/run").status_code == 404
    assert pg_client.get("/api/jobs/no-such/runs").status_code == 404
    assert pg_client.post("/api/jobs/DROP TABLE/run").status_code == 404
    assert sign_in(pg_client, "wh.wade").status_code == 200
    assert pg_client.get("/api/jobs").status_code == 403
    assert pg_client.post("/api/jobs/visual-feed/run").status_code == 403


def test_job_runs_listing(pg_client: TestClient, pg_settings: Settings) -> None:
    with app_conn(pg_settings) as conn:
        for i in range(12):
            conn.execute(
                "INSERT INTO job_runs (job, trigger, status, counts, finished_at) VALUES"
                " ('visual-feed', 'schedule', 'ok', %s, now())",
                (json.dumps({"new_drafts": i}),),
            )
    assert sign_in(pg_client, "admin.ann").status_code == 200
    runs = pg_client.get("/api/jobs/visual-feed/runs").json()
    assert len(runs) == 10 and runs[0]["counts"] == {"new_drafts": 11}
    assert len(pg_client.get("/api/jobs/visual-feed/runs?limit=3").json()) == 3
    last = next(j for j in pg_client.get("/api/jobs").json()["jobs"] if j["job"] == "visual-feed")["last_run"]
    assert last["status"] == "ok" and last["counts"] == {"new_drafts": 11}


def test_feed_settings_patch_is_audited_and_notifies(pg_client: TestClient, pg_settings: Settings) -> None:
    assert sign_in(pg_client, "clerk.clara").status_code == 200
    assert pg_client.get("/api/admin/feed/settings").status_code == 403
    assert pg_client.patch("/api/admin/feed/settings", json={"paused": True}).status_code == 403

    assert sign_in(pg_client, "admin.ann").status_code == 200
    r = pg_client.get("/api/admin/feed/settings")
    assert r.status_code == 200, r.text
    s = r.json()
    assert s["interval_shop_minutes"] == 5 and s["paused"] is False and s["auto_release_max"] == 25
    assert "runs" in s and "next_run_at" in s

    listener = listen(pg_settings, "ps_settings")
    try:
        r = pg_client.patch(
            "/api/admin/feed/settings",
            json={"interval_shop_minutes": 7, "golive_date": "2026-11-02", "departments": ["03", "06"]},
        )
        assert r.status_code == 200, r.text
        assert r.json()["interval_shop_minutes"] == 7 and r.json()["golive_date"] == "2026-11-02"
        assert notes(listener)
    finally:
        listener.close()
    with app_conn(pg_settings) as conn:
        detail, role = conn.execute(
            "SELECT detail, role_snapshot FROM audit_events WHERE action = 'feed.settings_changed' ORDER BY id DESC"
        ).fetchone()
        assert detail["changed"]["interval_shop_minutes"] == {"from": 5, "to": 7}
        assert detail["changed"]["departments"] == {"from": [], "to": ["03", "06"]}
        assert "paused" not in detail["changed"] and "admin" in role
        assert conn.execute("SELECT value->>'interval_shop_minutes' FROM settings WHERE key = 'feed'").fetchone() == (
            "7",
        )

    for bad in (
        {"interval_shop_minutes": 0},
        {"shop_start": "6am"},
        {"nope": 1},
        {"departments": ["99"]},
        {"window_back_days": 500},
    ):
        r = pg_client.patch("/api/admin/feed/settings", json=bad)
        assert r.status_code == 422 and r.json()["code"] == "bad_settings", (bad, r.text)


def test_resource_map(pg_client: TestClient, pg_settings: Settings) -> None:
    assert sign_in(pg_client, "clerk.clara").status_code == 200
    assert pg_client.get("/api/admin/feed/resource-map").status_code == 403
    assert sign_in(pg_client, "admin.ann").status_code == 200
    rows = {r["resource"]: r for r in pg_client.get("/api/admin/feed/resource-map").json()}
    assert rows["WELD-PART"]["target"] == "03" and rows["WELD-PART"]["confirmed"] is False
    assert rows["MFG"]["target"] == "fold" and rows["FORKLIFT"]["target"] == "ignore"
    assert rows["Electical"]["target"] == "14"

    r = pg_client.put("/api/admin/feed/resource-map/NEWRES", json={"target": "03"})
    assert r.status_code == 200 and r.json()["target"] == "03" and r.json()["confirmed"] is True, r.text
    r = pg_client.put("/api/admin/feed/resource-map/NEWRES", json={"target": "Fold"})
    assert r.status_code == 200 and r.json()["target"] == "fold"
    for bad in ("77", "WH", "", "fold; drop"):
        r = pg_client.put("/api/admin/feed/resource-map/NEWRES", json={"target": bad})
        assert r.status_code == 422, (bad, r.text)
    assert pg_client.delete("/api/admin/feed/resource-map/NEWRES").status_code == 204
    assert pg_client.delete("/api/admin/feed/resource-map/NEWRES").status_code == 404
    with app_conn(pg_settings) as conn:
        acts = conn.execute(
            "SELECT action, detail FROM audit_events WHERE subject_type = 'visual_resource' ORDER BY id"
        ).fetchall()
        assert [a[0] for a in acts] == ["feed.resource_mapped", "feed.resource_mapped", "feed.resource_unmapped"]
        assert acts[1][1]["before"]["target"] == "03" and acts[1][1]["after"]["target"] == "fold"
        assert acts[2][1]["after"] is None


def test_resource_map_lists_unmapped_from_the_last_batch(
    pg_client: TestClient, pg_settings: Settings, tmp_path: Any
) -> None:
    from feedhelpers import feed_settings_over, run_feed

    fx = feed_settings_over(pg_settings, tmp_path)
    run_feed(fx, 1)
    assert sign_in(pg_client, "admin.ann").status_code == 200
    rows = {r["resource"]: r for r in pg_client.get("/api/admin/feed/resource-map").json()}
    assert rows["NEWRES"]["target"] is None and rows["NEWRES"]["rows_last_run"] == 2
    assert rows["WELD-PART"]["rows_last_run"] >= 1