"""Opt-in, read-only checks against the local restored World snapshot; no LLM."""
import os
import pytest

from viano_bug_analysis.tools.project_query import ProjectResearch
from viano_bug_analysis.tools import ToolError


@pytest.fixture
def service():
    path=os.environ.get("VBA_TEST_PROJECT_CONFIG")
    if not path:
        pytest.skip("Set VBA_TEST_PROJECT_CONFIG to a local SELECT-only development configuration")
    return ProjectResearch.load(path)


def test_real_world_names_and_exact_absence(service):
    p=service.database
    query={"kind":"database.rows","table":"creature_template","columns":["entry","name"],
           "filters":[{"column":"name","operator":"contains","value":"Wolpertinger"}],"offset":0,"limit":10}
    result=p.query(query)
    assert {r["row"]["entry"] for r in result["items"]}=={22943,23487}
    count=p.query({"kind":"database.count","table":"creature","columns":[],
        "filters":[{"column":"id","operator":"eq","value":23487},{"column":"map","operator":"eq","value":0}],"offset":0,"limit":1})
    assert count["coverage"]=="complete_filtered_count" and count["items"]==[{"matched_rows":0}]


def test_real_readonly_privileges_and_isolation(service):
    connection=service.database._connect()
    try:
        with connection.cursor() as cursor:
            cursor.execute("SHOW GRANTS FOR CURRENT_USER")
            grants=[next(iter(row.values())) for row in cursor.fetchall()]
            assert all(g.startswith("GRANT USAGE ") or g.startswith("GRANT SELECT ") for g in grants)
            assert all("WITH GRANT OPTION" not in g for g in grants)
            cursor.execute("SELECT @@read_only AS readonly")
            assert cursor.fetchone()["readonly"]==1
    finally:
        connection.close()


def test_real_schema_injection_and_source_schema(service):
    p=service.database
    schema=p.query({"kind":"database.schema","table":"creature"})
    assert "position_x" in [c["COLUMN_NAME"] for c in schema["items"][0]["columns"]]
    query={"kind":"database.rows","table":"creature_template","columns":["entry"],
           "filters":[{"column":"name","operator":"eq","value":"' OR 1=1 --"}],"offset":0,"limit":1}
    assert p.query(query)["items"]==[]
    with pytest.raises(ToolError):p.query({**query,"table":"account"})
    source=service.source.query({"kind":"source.schema","text":"CREATE TABLE `creature`","path_prefix":"sql/base/", "case_sensitive":True,"offset":0,"limit":5})
    assert source["items"] and source["items"][0]["git_blob"]