"""Phase 10 invariant tests (GREEN).

9 BC sites migrated via 7 helpers:
- _list_gemini_models_result (site 1)
- _delete_gemini_cache_result (sites 2+3)
- _should_cache_gemini_result (site 4)
- _create_gemini_cache_result (site 5)
- _send_cli_round_result (site 6)
- _run_tier4_analysis_result (site 7)
- _run_tier4_patch_callback_result (site 8)
- _run_tier4_patch_generation_result (site 9)
"""
import sys
sys.path.insert(0, ".")


def test_phase10_ai_client_bc_count_zero():
    """After Phase 10: ai_client BC count is 0 (was 17 at baseline)."""
    import json
    import subprocess
    r = subprocess.run(
        ["uv", "run", "python", "scripts/audit_exception_handling.py",
         "--include-baseline", "--json"],
        capture_output=True, text=True
    )
    data = json.loads(r.stdout)
    files = {f["filename"]: f for f in data["files"]}
    ai = files["src\\ai_client.py"]
    bc = sum(1 for x in ai["findings"] if x["category"] == "INTERNAL_BROAD_CATCH")
    assert bc == 0, f"expected ai_client BC=0 after Phase 10, got {bc}"


def test_phase10_all_helpers_exist():
    """All 7 new _result helpers must exist on ai_client."""
    import src.ai_client
    expected = [
        "_list_gemini_models_result",
        "_delete_gemini_cache_result",
        "_should_cache_gemini_result",
        "_create_gemini_cache_result",
        "_send_cli_round_result",
        "_run_tier4_analysis_result",
        "_run_tier4_patch_callback_result",
        "_run_tier4_patch_generation_result",
    ]
    for name in expected:
        assert hasattr(src.ai_client, name), f"{name} helper missing from src.ai_client"


def test_phase10_legacy_functions_preserved():
    """Legacy functions preserved EXCEPT those OBLITERATED by cruft-removal Phase 4 or code_path_audit_phase_2 cleanup."""
    import src.ai_client
    legacy = [
        "_send_gemini",
        "_send_gemini_cli",
        "run_tier4_analysis",
        "run_tier4_patch_generation",
    ]
    # _list_gemini_models wrapper was OBLITERATED by cruft-removal Phase 4
    # run_tier4_patch_callback wrapper was OBLITERATED by code_path_audit_phase_2 cleanup
    obliterated = ["_list_gemini_models", "run_tier4_patch_callback"]
    for name in legacy:
        assert hasattr(src.ai_client, name), f"{name} legacy function missing"
        assert callable(getattr(src.ai_client, name)), f"{name} not callable"
    for name in obliterated:
        assert not hasattr(src.ai_client, name), (
            f"{name} wrapper must be OBLITERATED; "
            f"callers must use {name}_result directly"
        )