"""Native producer signing fixtures, never an authentication bypass."""
import json
import os
from pathlib import Path
import subprocess
import pytest

PUBLIC='IVL40Zt5HSRFMkLhXy6rbLfP-ntqXtMAl5YOBpiB2xI'

@pytest.fixture(scope='session')
def signature_tools(tmp_path_factory):
    directory=tmp_path_factory.mktemp('signature-tools')
    # Private writable build cache keeps tests runnable in the workspace sandbox.
    env={**os.environ,'GOCACHE':os.environ.get('GOCACHE',str(directory/'cache'))}
    root=Path(__file__).parents[1]/'verifier'
    for name,package in [('verify','.'),('sign','./testsupport/signer')]:
        subprocess.run(['go','build','-o',str(directory/name),package],cwd=root,env=env,check=True,timeout=120)
    return directory


def admit_tools(cfg, directory, tools):
    trust={'schema':'secrets-engine.pdp-trust.v1','evaluator':'stub/local','mode':'standalone',
           'policy_package':cfg.authorization_policy_package,'policy_version':cfg.authorization_policy_version,
           'policy_package_digest':'sha256:'+'1'*64,'keys':{'testdata-ed25519':PUBLIC}}
    path=directory/'pdp-trust.json';path.write_text(json.dumps(trust))
    from dataclasses import is_dataclass, replace
    if is_dataclass(cfg):
        return replace(cfg,pdp_trust_file=path,pdp_verifier=tools/'verify')
    cfg.pdp_trust_file=path;cfg.pdp_verifier=tools/'verify'
    return cfg


def sign_envelope(envelope,tools,next_key=False):
    result=subprocess.run([str(tools/'sign')]+(['next'] if next_key else []),input=json.dumps(envelope),text=True,capture_output=True,check=True,timeout=3)
    return json.loads(result.stdout)