"""Apparatus metadata is independent of its powered/offline board."""
import sqlite3

import pytest
from fastapi import FastAPI
from fastapi.testclient import TestClient

from test_pairing import setup, create, cert, heartbeat
from k1link.fleet.registry import FleetRegistry
from k1link.fleet.trust import PairingError
from k1link.web.fleet_api import router


def test_offline_rename_persists_without_touching_board_or_authority(setup):
    fleet, _, _, calls = setup
    public, _ = create(setup)
    fleet.advance(public['id'])
    before = fleet.find(public['id'])
    network_calls = len(calls)
    result = fleet.rename(before['id'], '  New rover  ', before['revision'])
    expected = {**before, 'name': 'New rover', 'revision': before['revision']+1}
    assert fleet.find(before['id']) == expected
    assert result['connectivity'] == 'offline'
    assert len(calls) == network_calls
    assert fleet.rename(before['id'], 'New rover', before['revision']) == result
    reopened = FleetRegistry(fleet.root)
    try:
        assert reopened.find(before['id']) == expected
    finally:
        reopened.close()
    # The existing board certificate and heartbeat continue to work unchanged.
    assert fleet.receive(cert(before), '/v1/node/heartbeat', heartbeat(before))[0] == 200
    assert fleet.find(before['id'])['name'] == 'New rover'


def test_stale_editor_cannot_overwrite_newer_name(setup):
    fleet = setup[0]
    row, _ = create(setup)
    fleet.rename(row['id'], 'Other editor', row['revision'])
    with pytest.raises(PairingError, match='изменился'):
        fleet.rename(row['id'], 'Stale edit', row['revision'])
    assert fleet.find(row['id'])['name'] == 'Other editor'


@pytest.mark.parametrize('name', ['', '   ', 'a'*81, 'bad\nname', 'bad\x7fname'])
def test_invalid_name_does_not_change_saved_apparatus(setup, name):
    fleet = setup[0]
    row, _ = create(setup)
    before = fleet.find(row['id'])
    with pytest.raises(PairingError):
        fleet.rename(row['id'], name, row['revision'])
    assert fleet.find(row['id']) == before


def test_database_failure_keeps_previous_name(setup):
    fleet = setup[0]
    row, _ = create(setup)
    fleet.db.execute("CREATE TRIGGER fail_rename BEFORE UPDATE ON vehicles BEGIN SELECT RAISE(ABORT, 'synthetic failure'); END")
    with pytest.raises(sqlite3.IntegrityError):
        fleet.rename(row['id'], 'Unsaved', row['revision'])
    assert fleet.find(row['id'])['name'] == row['name']


def test_rename_endpoint_is_local_scoped_and_returns_public_metadata(setup):
    fleet = setup[0]
    row, _ = create(setup)
    app = FastAPI(); app.state.fleet = fleet; app.include_router(router)
    path = '/api/v1/fleet/'+row['id']
    body = {'name':'Updated rover','expected_revision':row['revision']}
    with TestClient(app, base_url='http://127.0.0.1:8000', client=('127.0.0.1',55555)) as client:
        assert client.patch(path, json=body, headers={'Origin':'https://attacker.test'}).status_code == 403
        assert client.patch(path, json={**body,'node_id':'injected'}).status_code == 422
        assert client.patch(path, json={**body,'expected_revision':True}).status_code == 422
        response = client.patch(path, json=body)
        assert response.status_code == 200
        assert response.headers['cache-control'] == 'no-store'
        assert response.json()['name'] == 'Updated rover'
        assert fleet.find(row['id'])['binding']['binding_id'] not in response.text
        assert client.patch(path, json={**body,'name':'Stale'}).status_code == 409