#!/usr/bin/env python3
"""Native Pi discovery controls using owned source copies and real guard modules.

No provider, session, private goal read or live mutation. The optional first
argument is the installed brain root supplying wrapper/core/unslop modules.
"""
import json
import os
from pathlib import Path
import shutil
import subprocess
import sys
import tempfile

repo = Path(__file__).resolve().parent.parent
brain = Path(sys.argv[1]) if len(sys.argv) > 1 else Path.home() / '.mosaic'
with tempfile.TemporaryDirectory(prefix='goal58-native-') as temp:
    root = Path(temp)
    for name in ['goal', 'mosaic-core']:
        shutil.copytree(repo / 'extensions' / name, root / '.pi/extensions' / name)
    legacy = root / 'fleet/extensions/goal'
    shutil.copytree(repo / 'extensions/goal', legacy)
    for name in ['wrapper-guard', 'mosaic-core']:
        (root / 'fleet/extensions' / name).symlink_to(brain / 'fleet/extensions' / name)
    (root / 'tools').mkdir()
    (root / 'tools/unslop-hook').symlink_to(brain / 'tools/unslop-hook')
    (root / '.goal-discovery-owned-fixture').write_text('synthetic goal58 fixture')
    settings = root / 'settings.json'
    def check(cwd, mode, guard='wrapper-guard'):
        settings.write_text(json.dumps({'extensions': [str(legacy), str(root / 'fleet/extensions' / guard)]}))
        subprocess.run(['node', str(repo / 'scripts/test-goal-discovery.mjs'),
                        str(cwd), str(settings), mode, str(root)], check=True, timeout=30,
                       env={**os.environ, 'MOSAIC_GOAL_DISCOVERY_FIXTURE_ROOT': str(root)})
    check(root, 'conflict')
    legacy.rename(root / 'old-goal-source')
    legacy.symlink_to(root / '.pi/extensions/goal')
    check(root, 'unified')
    check(root, 'unified', 'mosaic-core')
    for relative in ['fleet/agents/topher', 'fleet/roles/interact']:
        cwd = root / relative
        (cwd / '.pi').mkdir(parents=True)
        (cwd / '.pi/extensions').symlink_to(root / '.pi/extensions')
        check(cwd, 'unified')
    velma = root / 'fleet/agents/velma'
    (velma / '.pi/extensions').mkdir(parents=True)
    (velma / '.pi/extensions/goal').symlink_to(root / '.pi/extensions/goal')
    shutil.copytree(repo / 'extensions/mosaic-core', velma / '.pi/extensions/mosaic-core')
    check(velma, 'unified')
    isolated = root / 'isolated'
    isolated.mkdir()
    check(isolated, 'unified')
print('PASS native negative control and six unified discovery cases; no live source/state changes')