#!/usr/bin/env python3
# SPDX-License-Identifier: GPL-3.0-or-later
"""Mutation guardrails for Phase-1.0X inactive injected transport."""

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("phase10x_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_phase10x.py")
    record = validator.load_json(
        root / "manifests/retroarch/phase-1.0x-inactive-transport.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 authority is rejected")
    def _():
        value = dict(record["authorizations"])
        value["ps5_connection_authorized"] = True
        require(not validator.all_authorizations_false(value), "connection accepted")

    @case("03 activation is inert")
    def _(): require(validator.activation_is_inactive(record["activation"]), "activation rejected")

    @case("04 target or command activates failure")
    def _():
        value = dict(record["activation"]); value["commands"] = ["help"]
        require(not validator.activation_is_inactive(value), "command accepted")

    @case("05 architecture is injected only")
    def _(): require(validator.architecture_is_injected_only(record["architecture"]), "architecture rejected")

    @case("06 socket capability is rejected")
    def _():
        value = dict(record["architecture"]); value["socket_import_present"] = True
        require(not validator.architecture_is_injected_only(value), "socket accepted")

    @case("07 receipt is before adapter open")
    def _(): require(record["local_evidence"]["receipt_before_adapter_open"] is True, "receipt order missing")

    @case("08 receipt excludes target")
    def _(): require(record["local_evidence"]["target_address_persisted"] is False, "target retained")

    @case("09 exclusive creation is required")
    def _(): require(record["local_evidence"]["exclusive_leaf_create"] is True, "exclusive create missing")

    @case("10 overwrite and cleanup remain absent")
    def _():
        local = record["local_evidence"]
        require(local["overwrite_supported"] is False and local["delete_or_cleanup_supported"] is False, "mutation enabled")

    @case("11 partial evidence remains invalid")
    def _(): require(record["local_evidence"]["partial_file_is_valid_evidence"] is False, "partial accepted")

    @case("12 directory durability remains unproven")
    def _(): require(record["local_evidence"]["directory_entry_durability"] == "UNPROVEN", "durability promoted")

    @case("13 blocking-call preemption remains unproven")
    def _(): require(record["deadline_and_cleanup"]["blocking_adapter_call_preemption"] is False, "preemption invented")

    @case("14 retry and second open remain absent")
    def _():
        deadline = record["deadline_and_cleanup"]
        require(deadline["retry_loop_present"] is False and deadline["second_open_present"] is False, "retry enabled")

    @case("15 exact prompt and Telnet framing remain unproven")
    def _():
        evidence = record["source_protocol_evidence"]
        require(evidence["exact_prompt_framing_proven"] is False and evidence["exact_telnet_reply_contract_proven"] is False, "framing promoted")

    @case("16 exact deployed identity remains unproven")
    def _(): require(record["decision"]["exact_deployed_shsrv_identity"] == "UNPROVEN", "identity promoted")

    @case("17 next step remains offline audit")
    def _(): require(validator.decision_is_offline_only(record["decision"]), "live step enabled")

    @case("18 no 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 evidence 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-1.0X guardrails passed: {len(cases)}")
    return 0


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