"""Discovery authority: real PostgreSQL + registered HTTP routes; disposable only."""

from concurrent.futures import ThreadPoolExecutor
import copy, json, os, threading, time, unittest
from uuid import uuid4
from unittest.mock import patch
from fastapi.testclient import TestClient
from psycopg.rows import dict_row
from psycopg.types.json import Jsonb
from app.main import app
from app.config import settings
from app.identity import create_access_token
from app.agent_auth.service import hash_agent_secret
from app.agent_zones.repository import default_connection_factory as connect
from app.discovery.repository import DiscoveryRepository


class DiscoveryFixtures:
    @classmethod
    def setUpClass(cls):
        if (
            os.getenv("MINEROPS_DISCOVERY_DISPOSABLE") != "1"
            or settings.postgres_db != "discovery_review"
        ):
            raise RuntimeError("Explicit disposable discovery database required")

    def setUp(self):
        self.sites = [uuid4(), uuid4()]
        self.zones = [uuid4(), uuid4()]
        self.agents = ["discovery-test-" + uuid4().hex for _ in range(2)]
        self.uid = uuid4()
        self.secrets = ["disposable-" + a for a in self.agents]
        self.client = TestClient(app, raise_server_exceptions=True)
        self.addCleanup(self.client.close)
        self.transport = patch(
            "app.main.send_whatsminer_read_command",
            side_effect=AssertionError("No miner I/O"),
        ).start()
        self.addCleanup(patch.stopall)
        with connect() as c, c.cursor() as q:
            for site, zone, agent in zip(self.sites, self.zones, self.agents):
                q.execute(
                    "INSERT INTO sites(id,name) VALUES (%s,%s)", (site, str(site))
                )
                q.execute(
                    "INSERT INTO agent_zones(id,site_id,name) VALUES (%s,%s,'Zone')",
                    (zone, site),
                )
                q.execute(
                    "INSERT INTO agent_zone_network_ranges(agent_zone_id,network) VALUES (%s,'198.51.100.0/24')",
                    (zone,),
                )
                q.execute(
                    """INSERT INTO minerops_site_agents(agent_id,site_id,agent_zone_id,site_name,agent_secret_hash,credential_created_at)
                    VALUES (%s,%s,%s,'Test',%s,now())""",
                    (
                        agent,
                        site,
                        zone,
                        hash_agent_secret(self.secrets[self.agents.index(agent)]),
                    ),
                )
            q.execute(
                "INSERT INTO users(id,username,display_name,password_hash,role_id) SELECT %s,%s,'Reviewer','unused',id FROM roles WHERE name='Admin'",
                (self.uid, str(self.uid)),
            )
        self.admin = {
            "Authorization": "Bearer "
            + create_access_token(str(self.uid), str(self.uid), "Admin")
        }
        self.repo = DiscoveryRepository()

    def headers(self, i=0):
        return {
            "X-MinerOps-Agent-ID": self.agents[i],
            "X-MinerOps-Agent-Secret": self.secrets[i],
        }

    def remap(self, value):
        if isinstance(value, dict):
            return {k: self.remap(v) for k, v in value.items()}
        if isinstance(value, list):
            return [self.remap(v) for v in value]
        if (
            isinstance(value, str)
            and value.startswith("02:12:34:00:00:")
            and len(value) == 17
        ):
            return (
                "02:"
                + ":".join(f"{v:02X}" for v in self.uid.bytes[:4])
                + ":"
                + value[-2:]
            )
        return value

    def post(self, path, body, agent=0):
        return self.client.post(
            path, json=self.remap(body), headers=self.headers(agent)
        )

    def review(self, row, action="add_to_inventory", **overrides):
        return self.client.post(
            "/api/agent/discoveries/review",
            json={
                "discovery_id": row["id"],
                "version": row["version"],
                "action": action,
                **overrides,
            },
            headers=self.admin,
        )

    def observe(self, ip="198.51.100.10", mac="02:12:34:00:00:10", agent=0, **extra):
        result = self.post(
            "/api/agent/discoveries",
            {
                "agent_id": self.agents[agent],
                "discoveries": [{"ip_address": ip, "mac_address": mac, **extra}],
            },
            agent,
        )
        self.assertEqual(result.status_code, 200, result.text)
        return result.json()["discoveries"][0]

    def miner(self, i=0, ip="198.51.100.10", mac=None):
        mid = uuid4()
        mac = self.remap(mac)
        mac = mac or "02:" + ":".join(f"{v:02X}" for v in mid.bytes[:5])
        with connect() as c, c.cursor() as q:
            q.execute(
                """INSERT INTO miners(id,site_id,agent_zone_id,current_ip,current_mac,status) VALUES (%s,%s,%s,%s,%s,'online')""",
                (mid, self.sites[i], self.zones[i], ip, mac),
            )
        return mid, mac

    def scalar(self, sql, args=()):
        with connect() as c, c.cursor() as q:
            q.execute(sql, args)
            return q.fetchone()[0]

    def durable(self):
        data = {}
        with connect() as c, c.cursor() as q:
            for table in [
                "miners",
                "miner_mac_ownerships",
                "miner_network_identities",
                "miner_status_snapshots",
                "minerops_agent_discoveries",
                "audit_logs",
                "minerops_agent_command_queue",
            ]:
                q.execute(
                    "SELECT to_jsonb(t) FROM " + table + " t ORDER BY to_jsonb(t)::text"
                )
                data[table] = q.fetchall()
        return data

    def known(self, i=0):
        r = self.client.get("/api/agent/known-miners", headers=self.headers(i))
        self.assertEqual(r.status_code, 200, r.text)
        return r.json()["miners"]


class DiscoverySecurityTests(DiscoveryFixtures, unittest.TestCase):
    def test_same_ip_distinct_zones_review_is_stable_and_scoped(self):
        a = self.observe(mac="02:12:34:00:00:11")
        b = self.observe(agent=1, mac="02:12:34:00:00:12")
        before = self.scalar(
            "SELECT to_jsonb(d) FROM minerops_agent_discoveries d WHERE id=%s",
            (b["id"],),
        )
        r = self.review(a)
        self.assertEqual(r.status_code, 200, r.text)
        self.assertEqual(
            self.scalar(
                "SELECT to_jsonb(d) FROM minerops_agent_discoveries d WHERE id=%s",
                (b["id"],),
            ),
            before,
        )
        self.assertEqual(
            self.scalar(
                "SELECT agent_zone_id FROM miners WHERE id=%s", (r.json()["miner_id"],)
            ),
            self.zones[0],
        )
        r = self.review(b)
        self.assertEqual(r.status_code, 200, r.text)

    def test_ignore_non_miner_do_not_touch_other_zone(self):
        for action, ip in [("ignore", "198.51.100.11"), ("non_miner", "198.51.100.12")]:
            a = self.observe(ip=ip, mac=None)
            b = self.observe(ip=ip, mac=None, agent=1)
            self.assertEqual(self.review(a, action).status_code, 200)
            self.assertEqual(
                self.scalar(
                    "SELECT discovery_status FROM minerops_agent_discoveries WHERE id=%s",
                    (b["id"],),
                ),
                "new",
            )

    def test_foreign_current_and_historical_mac_are_conflicts(self):
        mid, mac = self.miner(1)
        for spelling in [mac, mac.lower(), mac.replace(":", "-"), mac.replace(":", "")]:
            row = self.observe(ip="198.51.100.20", mac=spelling)
            self.assertEqual(row["discovery_status"], "zone_conflict")
            self.assertIsNone(row["matched_miner_id"])
            self.assertEqual(self.review(row).status_code, 409)
        with connect() as c, c.cursor() as q:
            q.execute("UPDATE miners SET current_mac=NULL WHERE id=%s", (mid,))
        row = self.observe(ip="198.51.100.21", mac=mac)
        self.assertEqual(row["discovery_status"], "zone_conflict")
        self.assertEqual(
            self.scalar(
                "SELECT miner_id FROM miner_mac_ownerships WHERE normalized_mac=%s",
                (mac.replace(":", "").lower(),),
            ),
            mid,
        )

    def test_local_duplicate_ip_and_contradictory_ids_fail(self):
        self.miner()
        self.miner()
        row = self.observe(mac=None)
        self.assertEqual(row["discovery_status"], "zone_conflict")
        self.assertEqual(self.review(row).status_code, 409)

    def test_spoofed_identity_and_zone_do_not_authorize(self):
        r = self.post(
            "/api/agent/discoveries", {"agent_id": self.agents[1], "discoveries": []}
        )
        self.assertEqual(r.status_code, 403)
        r = self.post(
            "/api/agent/discoveries",
            {
                "agent_zone_id": str(self.zones[1]),
                "site_id": str(self.sites[1]),
                "discoveries": [{"ip_address": "198.51.100.1"}],
            },
        )
        self.assertEqual(r.status_code, 200, r.text)
        self.assertEqual(r.json()["agent_zone_id"], str(self.zones[0]))
        for headers in [
            {},
            {"X-MinerOps-Agent-ID": self.agents[1], "X-MinerOps-Agent-Secret": "wrong"},
        ]:
            self.assertIn(
                self.client.post(
                    "/api/agent/discoveries", json={"discoveries": []}, headers=headers
                ).status_code,
                [401, 403],
            )

    def test_review_permissions_and_missing_stable_id(self):
        row = self.observe()
        r = self.post(
            "/api/agent/discoveries/review",
            {"discovery_id": row["id"], "version": row["version"], "action": "ignore"},
        )
        self.assertEqual(r.status_code, 401)
        uid = uuid4()
        with connect() as c, c.cursor() as q:
            q.execute(
                "INSERT INTO users(id,username,display_name,password_hash,role_id) SELECT %s,%s,'No authority','unused',id FROM roles WHERE name='Read Only'",
                (uid, str(uid)),
            )
        headers = {
            "Authorization": "Bearer "
            + create_access_token(str(uid), str(uid), "Read Only")
        }
        self.assertEqual(
            self.client.post(
                "/api/agent/discoveries/review",
                headers=headers,
                json={
                    "discovery_id": row["id"],
                    "version": row["version"],
                    "action": "ignore",
                },
            ).status_code,
            403,
        )
        before = self.durable()
        for path, body in [
            (
                "/api/agent/discoveries/enrich-match",
                {"discovery_id": row["id"], "version": row["version"]},
            ),
            ("/api/agent/commands/run-poll-now", {"agent_id": self.agents[0]}),
            ("/api/agent/commands/scan-new-miners", {"agent_id": self.agents[0]}),
        ]:
            self.assertEqual(
                self.client.post(path, json=body, headers=headers).status_code, 403
            )
            self.assertEqual(self.post(path, body).status_code, 401)
        self.assertEqual(before, self.durable())
        self.assertEqual(
            self.client.post(
                "/api/agent/discoveries/review",
                headers=self.admin,
                json={"ip_address": "198.51.100.10", "action": "ignore"},
            ).status_code,
            422,
        )

    def test_stale_disabled_unassigned_and_unproved_history_rejected(self):
        row = self.observe()
        with connect() as c, c.cursor() as q:
            q.execute(
                "UPDATE agent_zones SET is_enabled=false,updated_at=now() WHERE id=%s",
                (self.zones[0],),
            )
        self.assertEqual(self.review(row).status_code, 409)
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miners WHERE agent_zone_id=%s", (self.zones[0],)
            ),
            0,
        )
        with connect() as c, c.cursor() as q:
            q.execute(
                "UPDATE agent_zones SET is_enabled=true,updated_at=now() WHERE id=%s",
                (self.zones[0],),
            )
            q.execute(
                "UPDATE minerops_agent_discoveries SET agent_zone_id=NULL WHERE id=%s",
                (row["id"],),
            )
        self.assertEqual(self.review(row).status_code, 409)

    def test_stale_version_superseded_observation_and_inventory_change(self):
        row = self.observe()
        self.assertEqual(self.review(row, version="stale").status_code, 409)
        newer = self.observe(hostname="newer")
        self.assertEqual(self.review(row).status_code, 409)
        self.miner(mac="02:12:34:00:00:10")
        self.assertEqual(self.review(newer).status_code, 409)

    def test_approval_retry_is_idempotent_and_audited(self):
        row = self.observe()
        one = self.review(row)
        two = self.review(row)
        self.assertEqual(one.status_code, 200, one.text)
        self.assertEqual(one.json(), two.json())
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM audit_logs WHERE entity_id=%s AND action='discovery.reviewed'",
                (row["id"],),
            ),
            1,
        )
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miners WHERE agent_zone_id=%s", (self.zones[0],)
            ),
            1,
        )

    def test_concurrent_approvals_create_one_miner(self):
        row = self.observe()

        def work():
            return self.repo.review(
                {
                    "discovery_id": row["id"],
                    "version": row["version"],
                    "action": "add_to_inventory",
                },
                {"id": str(self.uid), "username": "reviewer"},
            )

        with ThreadPoolExecutor(2) as pool:
            a, b = [f.result() for f in [pool.submit(work), pool.submit(work)]]
        self.assertEqual(a, b)
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miners WHERE agent_zone_id=%s", (self.zones[0],)
            ),
            1,
        )

    def test_audit_denial_rolls_back_miner_and_observation(self):
        row = self.observe()
        role = "b1_limited_" + uuid4().hex[:10]
        with connect() as c, c.cursor() as q:
            q.execute("CREATE ROLE " + role)
            q.execute("GRANT USAGE ON SCHEMA public TO " + role)
            q.execute("GRANT SELECT ON ALL TABLES IN SCHEMA public TO " + role)
            q.execute(
                "GRANT INSERT,UPDATE ON miners,minerops_agent_discoveries,miner_mac_ownerships,minerops_site_agents,agent_zones,agent_zone_network_ranges TO "
                + role
            )

        def limited():
            c = connect()
            c.execute("SET ROLE " + role)
            return c

        before = self.durable()
        with self.assertRaisesRegex(Exception, "audit_logs"):
            DiscoveryRepository(limited).review(
                {
                    "discovery_id": row["id"],
                    "version": row["version"],
                    "action": "add_to_inventory",
                },
                {"id": str(self.uid)},
            )
        self.assertEqual(before, self.durable())

    def test_queue_targets_observing_agent_and_claim_is_validated(self):
        row = self.observe(agent=1)
        r = self.client.post(
            "/api/agent/discoveries/enrich-match",
            json={"discovery_id": row["id"], "version": row["version"]},
            headers=self.admin,
        )
        self.assertEqual(r.status_code, 200, r.text)
        qid = r.json()["command_id"]
        self.assertEqual(
            self.scalar(
                "SELECT agent_id FROM minerops_agent_command_queue WHERE id=%s", (qid,)
            ),
            self.agents[1],
        )
        claims = self.client.get("/api/agent/commands/pending", headers=self.headers(1))
        self.assertEqual(claims.status_code, 200, claims.text)
        self.assertEqual([v["command_id"] for v in claims.json()["commands"]], [qid])
        body = {
            "discovery_id": row["id"],
            "version": row["version"],
            "command_id": qid,
            "ip_address": "198.51.100.10",
            "mac_address": "02:12:34:00:00:10",
            "model": "Enriched",
        }
        result = self.post("/api/agent/miner-enrichment-v3", body, 1)
        self.assertEqual(result.status_code, 200, result.text)
        original = self.scalar(
            "SELECT raw_payload FROM minerops_agent_discoveries WHERE id=%s",
            (row["id"],),
        )
        self.assertNotIn("command_id", original)
        self.assertNotEqual(result.json()["discovery"]["id"], row["id"])

    def test_arbitrary_or_stale_enrichment_command_cannot_dispatch(self):
        self.assertEqual(
            self.client.post(
                "/api/agent/discoveries/enrich-match",
                json={"ip_address": "198.51.100.10"},
                headers=self.admin,
            ).status_code,
            422,
        )
        row = self.observe()
        r = self.client.post(
            "/api/agent/discoveries/enrich-match",
            json={"discovery_id": row["id"], "version": row["version"]},
            headers=self.admin,
        )
        self.assertEqual(r.status_code, 200, r.text)
        self.assertEqual(self.review(row, "ignore").status_code, 200)
        claims = self.client.get("/api/agent/commands/pending", headers=self.headers())
        self.assertEqual(claims.status_code, 200, claims.text)
        self.assertEqual(claims.json()["commands"], [])
        self.assertEqual(
            self.scalar(
                "SELECT command_status FROM minerops_agent_command_queue WHERE id=%s",
                (r.json()["command_id"],),
            ),
            "cancelled",
        )

    def test_enrichment_versions_and_foreign_targets_preserve_history(self):
        a, am = self.miner()
        b, bm = self.miner(1, ip="198.51.100.11")
        known = self.known()[0]
        before = self.durable()
        for endpoint in [
            "miner-enrichment",
            "miner-enrichment-v2",
            "miner-enrichment-v3",
        ]:
            for overrides in [
                {"miner_id": str(b)},
                {"ip_address": "198.51.100.11"},
                {"mac_address": bm},
                {"miner_version": "invalid"},
            ]:
                body = {**known, "hostname": "attempt", **overrides}
                self.assertEqual(
                    self.post("/api/agent/" + endpoint, body).status_code, 409
                )
        self.assertEqual(before, self.durable())
        result = self.post(
            "/api/agent/miner-enrichment-v2",
            {**known, "hostname": "allowed", "raw_version": {"read": True}},
        )
        self.assertEqual(result.status_code, 200, result.text)
        self.assertEqual(
            self.scalar("SELECT current_mac FROM miners WHERE id=%s", (a,)), am
        )
        self.assertEqual(
            self.scalar("SELECT count(*) FROM miners WHERE id IN (%s,%s)", (a, b)), 2
        )
        self.assertEqual(
            self.post(
                "/api/agent/miner-enrichment-v2", {**known, "hostname": "stale"}
            ).status_code,
            409,
        )

    def test_snapshot_cannot_claim_unassigned_or_foreign_miner(self):
        mid, m = self.miner()
        known = self.known()[0]
        with connect() as c, c.cursor() as q:
            q.execute("UPDATE miners SET agent_zone_id=NULL WHERE id=%s", (mid,))
        before = self.durable()
        self.assertEqual(
            self.post(
                "/api/agent/miner-snapshots", {"miners": [{**known, "online": True}]}
            ).status_code,
            409,
        )
        self.assertEqual(self.durable(), before)

    def test_positive_poll_pool_and_api3_telemetry(self):
        mid, m = self.miner()
        known = self.known()[0]
        r = self.post(
            "/api/agent/miner-snapshots",
            {
                "miners": [
                    {
                        **known,
                        "online": True,
                        "responses": {"summary": {"json": {"Msg": {"MHS av": 123}}}},
                    }
                ]
            },
        )
        self.assertEqual(r.status_code, 200, r.text)
        known = self.known()[0]
        r = self.post(
            "/api/agent/pool-snapshots",
            {"pool_snapshots": [{**known, "pools": [{"URL": "simulated"}]}]},
        )
        self.assertEqual(r.status_code, 200, r.text)
        r = self.post(
            "/api/agent/api3-enrichment",
            {
                "items": [
                    {
                        **known,
                        "ip": known["ip_address"],
                        "mac": m,
                        "api3_supported": True,
                    }
                ]
            },
        )
        self.assertEqual(r.status_code, 200, r.text)

    def test_malformed_unicode_and_outside_network_payloads(self):
        for body in [
            [],
            None,
            {"discoveries": {}},
            {"discoveries": [{"ip_address": "203.0.113.1"}]},
            {"discoveries": [{"ip_address": "198.51.100.1\u200b"}]},
            {
                "discoveries": [
                    {
                        "ip_address": "198.51.100.1",
                        "mac_address": "02:12:34:00:00:11\u0000",
                    }
                ]
            },
        ]:
            before = self.durable()
            r = self.post("/api/agent/discoveries", body)
            self.assertIn(r.status_code, [409, 422], r.text)
            self.assertEqual(before, self.durable())

    def test_concurrent_disable_waits_for_mutation_authority_lock(self):
        row = self.observe()
        entered = threading.Event()
        release = threading.Event()
        original = self.repo.audit

        def audit(cur, *args, **kwargs):
            if args[0] == "discovery.reviewed":
                entered.set()
                self.assertTrue(release.wait(5))
            return original(cur, *args, **kwargs)

        self.repo.audit = audit

        def work():
            return self.repo.review(
                {
                    "discovery_id": row["id"],
                    "version": row["version"],
                    "action": "ignore",
                },
                {"id": str(self.uid)},
            )

        with ThreadPoolExecutor(2) as pool:
            future = pool.submit(work)
            self.assertTrue(entered.wait(5))

            def disable():
                with connect() as c:
                    c.execute(
                        "UPDATE agent_zones SET is_enabled=false,updated_at=now() WHERE id=%s",
                        (self.zones[0],),
                    )

            blocked = pool.submit(disable)
            time.sleep(0.1)
            self.assertFalse(blocked.done())
            release.set()
            future.result()
            blocked.result()
        self.assertEqual(self.review(row).status_code, 409)

    def test_read_target_revalidated_before_simulated_transport(self):
        row = self.observe(agent=1)
        q = self.client.post(
            "/api/agent/discoveries/enrich-match",
            headers=self.admin,
            json={"discovery_id": row["id"], "version": row["version"]},
        ).json()
        self.client.get("/api/agent/commands/pending", headers=self.headers(1))
        body = {
            "command_id": q["command_id"],
            "discovery_id": row["id"],
            "version": row["version"],
        }
        result = self.post("/api/agent/discovery-target", body, 1)
        self.assertEqual(result.status_code, 200, result.text)
        self.assertEqual(result.json()["ip_address"], "198.51.100.10")
        self.assertEqual(
            self.post("/api/agent/discovery-target", body, 0).status_code, 409
        )
        self.review(row, "ignore")
        self.assertEqual(
            self.post("/api/agent/discovery-target", body, 1).status_code, 409
        )
        self.transport.assert_not_called()

    def test_initial_and_concurrent_self_assignment_is_prohibited(self):
        with connect() as c:
            c.execute(
                "UPDATE minerops_site_agents SET agent_zone_id=NULL WHERE agent_id=%s",
                (self.agents[0],),
            )

        def check():
            return self.post(
                "/api/agent/checkin",
                {
                    "agent_id": self.agents[0],
                    "site_id": str(self.sites[0]),
                    "agent_zone_id": str(self.zones[0]),
                },
            ).status_code

        with ThreadPoolExecutor(2) as pool:
            self.assertEqual(list(pool.map(lambda _: check(), range(2))), [422, 422])
        self.assertIsNone(
            self.scalar(
                "SELECT agent_zone_id FROM minerops_site_agents WHERE agent_id=%s",
                (self.agents[0],),
            )
        )

    def test_pool_and_api3_foreign_or_nested_contradictions_rollback(self):
        a, am = self.miner()
        b, bm = self.miner(1, ip="198.51.100.11")
        known = self.known()[0]
        before = self.durable()
        self.assertEqual(
            self.post(
                "/api/agent/pool-snapshots",
                {"pool_snapshots": [{**known, "miner_id": str(b), "pools": [{}]}]},
            ).status_code,
            409,
        )
        for extra in [{"agent_id": self.agents[1]}, {}]:
            body = {
                **extra,
                "items": [
                    {
                        **known,
                        "ip": known["ip_address"],
                        "mac": am,
                        "api3_supported": True,
                        "device_info": {"msg": {"network": {"ip": "198.51.100.11"}}},
                    }
                ],
            }
            self.assertIn(
                self.post("/api/agent/api3-enrichment", body).status_code, [403, 409]
            )
        self.assertEqual(before, self.durable())

    def test_actual_observation_update_failure_rolls_back_insert_and_audit(self):
        row = self.observe()
        name = "b1_failure_" + uuid4().hex
        with connect() as c:
            c.execute(
                "CREATE FUNCTION "
                + name
                + "() RETURNS trigger LANGUAGE plpgsql AS $$ BEGIN IF NEW.id='"
                + row["id"]
                + "' THEN RAISE EXCEPTION 'injected observation update'; END IF; RETURN NEW; END $$"
            )
            c.execute(
                "CREATE TRIGGER "
                + name
                + " BEFORE UPDATE ON minerops_agent_discoveries FOR EACH ROW EXECUTE FUNCTION "
                + name
                + "()"
            )
        before = self.durable()
        try:
            with self.assertRaisesRegex(Exception, "injected observation update"):
                self.repo.review(
                    {
                        "discovery_id": row["id"],
                        "version": row["version"],
                        "action": "add_to_inventory",
                    },
                    {"id": str(self.uid)},
                )
            self.assertEqual(before, self.durable())
        finally:
            with connect() as c:
                c.execute("DROP TRIGGER " + name + " ON minerops_agent_discoveries")
                c.execute("DROP FUNCTION " + name + "()")

    def test_age_expiry_and_legacy_records_cannot_be_approved(self):
        row = self.observe()
        with connect() as c:
            c.execute(
                "UPDATE minerops_agent_discoveries SET created_at=now()-interval '1 hour' WHERE id=%s",
                (row["id"],),
            )
        before = self.durable()
        self.assertEqual(self.review(row).status_code, 409)
        self.assertEqual(before, self.durable())
        oid = str(uuid4())
        with connect() as c:
            c.execute(
                "INSERT INTO minerops_agent_discoveries(id,agent_id,agent_zone_id,site_name,ip_address,raw_payload) VALUES (%s,%s,%s,'Legacy','198.51.100.12',%s) RETURNING updated_at",
                (
                    oid,
                    self.agents[0],
                    self.zones[0],
                    Jsonb({"authority": "client-spoof"}),
                ),
            )
        with connect() as c, c.cursor() as q:
            q.execute(
                "SELECT updated_at FROM minerops_agent_discoveries WHERE id=%s", (oid,)
            )
            version = q.fetchone()[0].isoformat()
        self.assertEqual(self.review({"id": oid, "version": version}).status_code, 409)

    def test_historical_decision_and_raw_payload_not_overwritten_by_new_report(self):
        row = self.observe()
        self.review(row, "ignore")
        old = self.scalar(
            "SELECT to_jsonb(d) FROM minerops_agent_discoveries d WHERE id=%s",
            (row["id"],),
        )
        self.observe(hostname="new report")
        self.assertEqual(
            old,
            self.scalar(
                "SELECT to_jsonb(d) FROM minerops_agent_discoveries d WHERE id=%s",
                (row["id"],),
            ),
        )

    def test_changed_ownership_and_credential_revocation_invalidate_tokens(self):
        mid, m = self.miner()
        known = self.known()[0]
        with connect() as c:
            c.execute(
                "UPDATE miners SET site_id=%s,agent_zone_id=%s,updated_at=now() WHERE id=%s",
                (self.sites[1], self.zones[1], mid),
            )
        before = self.durable()
        self.assertEqual(
            self.post(
                "/api/agent/miner-enrichment-v3", {**known, "model": "stale"}
            ).status_code,
            409,
        )
        self.assertEqual(before, self.durable())
        with connect() as c:
            c.execute(
                "UPDATE minerops_site_agents SET credential_revoked_at=now() WHERE agent_id=%s",
                (self.agents[0],),
            )
        self.assertEqual(
            self.post("/api/agent/discoveries", {"discoveries": []}).status_code, 403
        )

    def test_batch_bounds_stream_limit_stale_report_and_ipv6(self):
        cases = [
            {"discoveries": [{"ip_address": "198.51.100.1"}] * 129},
            {
                "discoveries": [
                    {
                        "ip_address": "198.51.100.1",
                        "discovered_at": "2000-01-01T00:00:00Z",
                    }
                ]
            },
            {"discoveries": [{"ip_address": "fe80::1%eth0"}]},
        ]
        for body in cases:
            self.assertIn(
                self.post("/api/agent/discoveries", body).status_code, [409, 422]
            )
        response = self.client.post(
            "/api/agent/discoveries",
            headers=self.headers(),
            content="x" * (1024 * 1024 + 1),
        )
        self.assertEqual(response.status_code, 413)
        with connect() as c:
            c.execute(
                "INSERT INTO agent_zone_network_ranges(agent_zone_id,network) VALUES (%s,'2001:db8::/64')",
                (self.zones[0],),
            )
        self.assertEqual(
            self.observe(ip="2001:db8::12", mac=None)["ip_address"], "2001:db8::12"
        )

    def test_positive_telemetry_preserves_numeric_measurements(self):
        mid, m = self.miner()
        known = self.known()[0]
        r = self.post(
            "/api/agent/miner-snapshots",
            {
                "miners": [
                    {
                        **known,
                        "online": True,
                        "responses": {
                            "summary": {
                                "raw": json.dumps(
                                    {
                                        "Msg": {
                                            "MHS av": 123,
                                            "Power": 456,
                                            "Fan Speed In": 789,
                                        }
                                    }
                                )
                            }
                        },
                    }
                ]
            },
        )
        self.assertEqual(r.status_code, 200, r.text)
        self.assertEqual(
            self.scalar(
                "SELECT mhs_av FROM miner_status_snapshots WHERE miner_id=%s ORDER BY observed_at DESC LIMIT 1",
                (mid,),
            ),
            123,
        )
        known = self.known()[0]
        r = self.post(
            "/api/agent/api3-enrichment",
            {
                "items": [
                    {
                        **known,
                        "ip": known["ip_address"],
                        "mac": m,
                        "api3_supported": True,
                        "miner_status": {
                            "msg": {
                                "summary": {"hash-average": 12},
                                "pools": [
                                    {"id": 0, "url": "stratum+tcp://simulated.invalid"}
                                ],
                                "edevs": [{"slot": 0, "hash-average": 12}],
                            }
                        },
                    }
                ]
            },
        )
        self.assertEqual(r.status_code, 200, r.text)
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miner_api3_hashboard_snapshots WHERE miner_id=%s",
                (mid,),
            ),
            1,
        )
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miner_pool_snapshots WHERE miner_id=%s", (mid,)
            ),
            1,
        )

    def test_metadata_and_failed_api3_preserve_latest_measurements(self):
        mid, m = self.miner()
        room = uuid4()
        with connect() as c, c.cursor() as q:
            q.execute(
                "INSERT INTO rooms(id,site_id,name) VALUES (%s,%s,'Observed room')",
                (room, self.sites[0]),
            )
            q.execute(
                "UPDATE miners SET room_id=%s,miner_sn='established-serial' WHERE id=%s",
                (room, mid),
            )
            q.execute(
                "INSERT INTO miner_status_snapshots(miner_id,mhs_av) VALUES (%s,123)",
                (mid,),
            )
        known = self.known()[0]
        self.assertEqual(known["room_name"], "Observed room")
        response = self.post(
            "/api/agent/miner-enrichment-v3",
            {**known, "hostname": "read-metadata", "raw_version": {"read": True}},
        )
        self.assertEqual(response.status_code, 200, response.text)
        self.assertEqual(
            self.scalar(
                "SELECT new_value_json->'raw_version' FROM audit_logs WHERE action='discovery.miner_enriched' AND entity_id=%s ORDER BY created_at DESC LIMIT 1",
                (str(mid),),
            ),
            {"read": True},
        )
        known = self.known()[0]
        failed = {
            **known,
            "ip": known["ip_address"],
            "mac": m,
            "api3_supported": False,
            "api3_error": "simulated timeout",
        }
        response = self.post("/api/agent/api3-enrichment", {"items": [failed]})
        self.assertEqual(response.status_code, 200, response.text)
        self.assertEqual(response.json()["data"]["api3_failed"], 1)
        self.assertEqual(response.json()["data"]["status_rows"], 0)
        known = self.known()[0]
        metadata = {
            **failed,
            **known,
            "api3_supported": True,
            "device_info": {
                "msg": {
                    "miner": {
                        "type": "simulated-model",
                        "miner-sn": "established-serial",
                    },
                    "system": {
                        "api": "simulated-api",
                        "fwversion": "simulated-firmware",
                        "platform": "simulated-platform",
                        "apiswitch": "on",
                    },
                }
            },
        }
        response = self.post("/api/agent/api3-enrichment", {"items": [metadata]})
        self.assertEqual(response.status_code, 200, response.text)
        self.assertEqual(response.json()["data"]["api3_ok"], 1)
        self.assertEqual(
            self.scalar("SELECT api_version FROM miners WHERE id=%s", (mid,)),
            "simulated-api",
        )
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miner_status_snapshots WHERE miner_id=%s", (mid,)
            ),
            1,
        )
        self.assertEqual(
            self.scalar(
                "SELECT mhs_av FROM miner_status_snapshots WHERE miner_id=%s", (mid,)
            ),
            123,
        )
        known = self.known()[0]
        metadata.update(known)
        metadata["device_info"]["msg"]["miner"]["miner-sn"] = "other-device"
        before = self.durable()
        self.assertEqual(
            self.post("/api/agent/api3-enrichment", {"items": [metadata]}).status_code,
            409,
        )
        self.assertEqual(before, self.durable())

    def test_conflicting_aliases_and_serial_cannot_poison_matches(self):
        mid, m = self.miner()
        known = self.known()[0]
        before = self.durable()
        for body in [
            {**known, "ip": "198.51.100.11"},
            {**known, "mac": "02:99:99:99:99:99"},
        ]:
            self.assertEqual(
                self.post("/api/agent/miner-enrichment-v3", body).status_code, 409
            )
        self.assertEqual(before, self.durable())
        other, mac = self.miner(1, ip="198.51.100.20")
        with connect() as c:
            c.execute("UPDATE miners SET miner_sn=%s WHERE id=%s", (str(other), other))
        row = self.observe(ip="198.51.100.22", miner_sn=str(other))
        self.assertEqual(row["discovery_status"], "zone_conflict")
        self.assertEqual(self.review(row).status_code, 409)
        for evidence in [
            {"ip": "198.51.100.23"},
            {"mac": "02:99:99:99:99:99"},
            {"miner_id": str(other)},
        ]:
            result = self.post(
                "/api/agent/discoveries",
                {
                    "discoveries": [
                        {
                            "ip_address": "198.51.100.24",
                            "mac_address": "02:12:34:00:00:24",
                            **evidence,
                        }
                    ]
                },
            )
            self.assertEqual(result.status_code, 200, result.text)
            row = result.json()["discoveries"][0]
            self.assertEqual(row["discovery_status"], "zone_conflict")
            self.assertIsNone(row["matched_miner_id"])
            self.assertEqual(self.review(row).status_code, 409)

    def test_requeued_claimed_read_preserves_unknown_outcome_and_single_audit(self):
        row = self.observe()
        result = self.client.post(
            "/api/agent/discoveries/enrich-match",
            headers=self.admin,
            json={"discovery_id": row["id"], "version": row["version"]},
        )
        qid = result.json()["command_id"]
        self.client.get("/api/agent/commands/pending", headers=self.headers())
        with connect() as c:
            c.execute(
                "UPDATE minerops_agent_command_queue SET command_status='pending' WHERE id=%s",
                (qid,),
            )
        self.review(row, "ignore")
        for _ in range(2):
            self.assertEqual(
                self.client.get(
                    "/api/agent/commands/pending", headers=self.headers()
                ).json()["commands"],
                [],
            )
        self.assertEqual(
            self.scalar(
                "SELECT new_value_json->>'execution_outcome' FROM audit_logs WHERE action='discovery.command_rejected' AND new_value_json->>'command_id'=%s",
                (qid,),
            ),
            "unknown",
        )
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM audit_logs WHERE action='discovery.command_rejected' AND new_value_json->>'command_id'=%s",
                (qid,),
            ),
            1,
        )

    def test_read_requests_can_repeat_and_explicit_request_ids_are_idempotent(self):
        ids = []
        for _ in range(2):
            response = self.client.post(
                "/api/agent/commands/run-poll-now",
                headers=self.admin,
                json={"agent_id": self.agents[0]},
            )
            self.assertEqual(response.status_code, 200, response.text)
            ids.append(response.json()["command_id"])
        self.assertNotEqual(*ids)
        request_id = str(uuid4())
        responses = [
            self.client.post(
                "/api/agent/commands/scan-new-miners",
                headers=self.admin,
                json={"agent_id": self.agents[0], "request_id": request_id},
            ).json()
            for _ in range(2)
        ]
        self.assertEqual(responses[0], responses[1])

    def test_unaudited_legacy_observation_rewrite_is_rejected(self):
        row = self.observe()
        with connect() as connection:
            connection.execute(
                "UPDATE minerops_agent_discoveries SET updated_at=clock_timestamp(),discovery_status='known' WHERE id=%s",
                (row["id"],),
            )
        row["version"] = self.scalar(
            "SELECT updated_at FROM minerops_agent_discoveries WHERE id=%s",
            (row["id"],),
        ).isoformat()
        before = self.durable()
        self.assertEqual(self.review(row).status_code, 409)
        self.assertEqual(before, self.durable())

    def test_two_zones_concurrently_approve_one_mac_with_one_winner(self):
        a = self.observe()
        b = self.observe(agent=1)
        barrier = threading.Barrier(2)

        def approve(row):
            barrier.wait(5)
            client = TestClient(app)
            try:
                return client.post(
                    "/api/agent/discoveries/review",
                    headers=self.admin,
                    json={
                        "discovery_id": row["id"],
                        "version": row["version"],
                        "action": "add_to_inventory",
                    },
                ).status_code
            finally:
                client.close()

        with ThreadPoolExecutor(2) as pool:
            results = list(pool.map(approve, [a, b]))
        self.assertEqual(sorted(results), [200, 409])
        self.assertEqual(
            self.scalar(
                "SELECT count(*) FROM miners WHERE agent_zone_id IN (%s,%s)",
                tuple(self.zones),
            ),
            1,
        )

    def test_claim_then_concurrent_review_blocks_and_target_is_revalidated(self):
        row = self.observe()
        qid = self.client.post(
            "/api/agent/discoveries/enrich-match",
            headers=self.admin,
            json={"discovery_id": row["id"], "version": row["version"]},
        ).json()["command_id"]
        entered = threading.Event()
        release = threading.Event()
        original = DiscoveryRepository.validate_command

        def gated(repository, cur, agent, command):
            if command.get("id", command.get("command_id")) == qid:
                entered.set()
                if not release.wait(5):
                    raise AssertionError("Claim gate timed out")
            return original(repository, cur, agent, command)

        with patch.object(
            DiscoveryRepository, "validate_command", gated
        ), ThreadPoolExecutor(2) as pool:
            claim = pool.submit(
                lambda: self.client.get(
                    "/api/agent/commands/pending", headers=self.headers()
                )
            )
            self.assertTrue(entered.wait(5))
            review = pool.submit(lambda: self.review(row, "ignore"))
            deadline = time.monotonic() + 3
            waiting = 0
            while time.monotonic() < deadline:
                waiting = self.scalar(
                    "SELECT count(*) FROM pg_stat_activity WHERE datname=current_database() AND wait_event='advisory'"
                )
                if waiting:
                    break
                time.sleep(0.02)
            self.assertGreater(
                waiting, 0, "Review did not reach a real PostgreSQL lock wait"
            )
            release.set()
            self.assertEqual(claim.result().status_code, 200)
            self.assertEqual(review.result().status_code, 200)
        result = self.post(
            "/api/agent/discovery-target",
            {"command_id": qid, "discovery_id": row["id"], "version": row["version"]},
        )
        self.assertEqual(result.status_code, 409)
        self.transport.assert_not_called()


if __name__ == "__main__":
    unittest.main()