#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Mutation guardrails for the inactive Phase-1.0V collector model."""

from __future__ import annotations

import argparse
import importlib.util
from pathlib import Path
import sys


def load(path: Path):
    spec = importlib.util.spec_from_file_location("phase10v_validator", path)
    assert spec and spec.loader
    module = importlib.util.module_from_spec(spec)
    sys.modules[spec.name] = module
    spec.loader.exec_module(module)
    return module


def require(value: bool, message: str) -> None:
    if not value:
        raise RuntimeError(message)


def main() -> int:
    parser = argparse.ArgumentParser()
    parser.add_argument("--root", type=Path, required=True)
    args = parser.parse_args()
    root = args.root.resolve()
    validator = load(root / "tools/validate_retroarch_phase10v.py")
    record = validator.load_json(
        root / "manifests/retroarch/phase-1.0v-inactive-shsrv-collector.json")
    cases = []

    def case(name):
        def register(function):
            cases.append((name, function))
            return function
        return register

    @case("01 all authorizations remain false")
    def _(): require(validator.all_authorizations_false(record["authorizations"]), "authority active")

    @case("02 connection authorization is rejected")
    def _():
        value = dict(record["authorizations"]); value["ps5_connection_authorized"] = True
        require(not validator.all_authorizations_false(value), "connection allowed")

    @case("03 automatic retry is rejected")
    def _():
        value = dict(record["authorizations"]); value["automatic_retry"] = True
        require(not validator.all_authorizations_false(value), "retry allowed")

    @case("04 activation remains inert")
    def _(): require(validator.activation_is_inactive(record["activation"]), "activation rejected")

    @case("05 target address activates and fails gate")
    def _():
        value = dict(record["activation"]); value["target_address"] = "example.invalid"
        require(not validator.activation_is_inactive(value), "target accepted")

    @case("06 command activation fails gate")
    def _():
        value = dict(record["activation"]); value["commands"] = ["help"]
        require(not validator.activation_is_inactive(value), "command accepted")

    @case("07 model has no network transport")
    def _(): require(validator.model_is_offline(record["model"]), "model rejected")

    @case("08 live port argument remains absent")
    def _(): require(record["model"]["port_argument_present"] is False, "port present")

    @case("09 collector bounds are exact")
    def _(): require(validator.bounds_are_fail_closed(record["bounds"]), "bounds rejected")

    @case("10 oversized bound relaxation fails")
    def _():
        value = dict(record["bounds"]); value["max_raw_bytes"] = 131072
        require(not validator.bounds_are_fail_closed(value), "larger input accepted")

    @case("11 Telnet model remains offline and partial")
    def _(): require(validator.telnet_is_offline_partial(record["telnet_model"]), "Telnet boundary rejected")

    @case("12 invented negotiation replies fail")
    def _():
        value = dict(record["telnet_model"]); value["negotiation_replies_sent"] = True
        require(not validator.telnet_is_offline_partial(value), "reply behavior invented")

    @case("13 sanitization is strict")
    def _(): require(validator.sanitization_is_strict(record["sanitization"]), "sanitization rejected")

    @case("14 raw transcript output fails")
    def _():
        value = dict(record["sanitization"]); value["raw_transcript_output"] = True
        require(not validator.sanitization_is_strict(value), "raw transcript allowed")

    @case("15 physical memory erasure remains unproven")
    def _(): require(record["sanitization"]["physical_memory_erasure_proven"] is False, "erasure invented")

    @case("16 exact identity remains false")
    def _(): require(record["sanitization"]["exact_identity_output"] is False, "identity promoted")

    @case("17 decision requires human review and no live client")
    def _(): require(validator.decision_requires_review(record["decision"]), "decision enabled")

    @case("18 no device action and no hardware proof")
    def _(): require(all(value is False for value in record["performed_actions"].values()) and record["tests"]["hardware_claim_from_host_test"] is False, "host model promoted")

    failures = []
    for name, function in cases:
        try:
            function()
            print(f"PASS {name}")
        except Exception as error:  # noqa: BLE001 - mutation harness
            failures.append(f"{name}: {error}")
            print(f"FAIL {name}: {error}")
    if failures:
        return 1
    print(f"Phase-1.0V guardrails passed: {len(cases)}")
    return 0


if __name__ == "__main__":
    raise SystemExit(main())