#!/usr/bin/env python3
"""Validate addon/resource isolation and execute policy regressions. Not an engine compiler."""
from pathlib import Path
import json,re,subprocess,sys
ROOT=Path(__file__).resolve().parents[1]
BASE='58D0FB3206B6F859'
def check():
 ids={};graph={};resources={};paths={}
 for p in sorted((ROOT/'addons').glob('*/addon.gproj')):
  text=p.read_text();g=re.search(r'GUID "([A-F0-9]{16})"',text)[1]
  assert g not in ids,f'Duplicate addon GUID: {p}'
  ids[g]=p.parent.name;graph[g]=re.findall(r'"([A-F0-9]{16})"',text[text.index('Dependencies'):])
 assert len(ids)==5,'Expected five addon projects'
 def walk(g,stack):
  assert g not in stack,'Dependency cycle: '+str(stack+[g])
  for dep in graph[g]:
   assert dep==BASE or dep in ids,f'External addon dependency {dep}'
   if dep!=BASE:walk(dep,stack+[g])
 for g in ids:walk(g,[])
 for p in (ROOT/'addons').rglob('*.meta'):
  m=re.search(r'Name "\{([A-F0-9]{16})\}([^"\n]+)"',p.read_text())
  assert m,f'Malformed metadata: {p}'
  g,path=m.groups();assert g not in resources,f'Duplicate resource GUID {g}'
  addon=p.relative_to(ROOT/'addons').parts[0]
  assert p.with_suffix('')==ROOT/'addons'/addon/path, f'Resource path mismatch: {p}'
  assert p.with_suffix('').is_file(),f'Missing resource for {p}'
  resources[g]=path;paths[path]=g
 vanilla=json.loads((ROOT/'docs/vanilla-resources.json').read_text())
 for p in (ROOT/'addons').rglob('*'):
  if not p.is_file() or p.suffix not in ['.c','.et','.conf','.ent','.layer','.layout','.emat']:continue
  s=p.read_text()
  assert not re.search(r'\b(?:ESCT\w*|SCRTC_\w+|SCRT_\w+|EAI_\w+)\b',s),f'Original ecosystem dependency: {p}'
  for g,path in re.findall(r'\{([A-F0-9]{16})\}([^"\n]+)',s):
   assert resources.get(g)==path or vanilla.get(path)==g,f'Unresolved/mismatched resource in {p}: {g} {path}'
  if p.suffix in ['.et','.conf','.ent','.layout','.emat']:
   assert p.with_name(p.name+'.meta').exists(),f'Missing metadata: {p}'
 print(f'PASS: {len(ids)} isolated addons, acyclic dependencies, {len(resources)} unique resources, exact vanilla references')
 for name in ['test_mission_rules.py','test_settings_migration.py','hq_network_regression.py','helicopter_availability_regression.py','mortar_salvo_regression.py']:
  subprocess.run([sys.executable,str(ROOT/'tests'/name)],check=True)
 print('All repository checks passed. Native compilation and multiplayer tests are separate requirements.')
if __name__=='__main__':check()