#!/usr/bin/env python3
"""Portable materializer for the unchanged adopted SQLC native runner.

The exact original source/metadata inventories remain server evidence. This
entry creates them from the immutable agent snapshot, verifies pinned base
commits and declared fixture/gold hashes, and executes the original driver.
It does not download, change test assertions, or copy generated answers.
"""
import argparse
import hashlib
import json
import os
from pathlib import Path
import shutil
import subprocess

def sha(p):return hashlib.sha256(p.read_bytes()).hexdigest()
def main():
 cli=argparse.ArgumentParser();cli.add_argument('--world',choices=['all_buggy','all_fixed'],required=True);cli.add_argument('--output',required=True);args=cli.parse_args()
 package=Path(__file__).resolve().parent;profile=json.loads((package/'native-profile.json').read_text())
 output=Path(args.output);assert not output.exists();output.mkdir()
 proposal=Path('/proposal');assert not proposal.exists();proposal.mkdir()
 for name in ['run_world.py','parse_native_events.py']:
  assert sha(package/name)==profile['files'][name]['sha256'];shutil.copy2(package/name,proposal/name)
 shutil.copytree(package/'fixtures',proposal/'fixtures')
 for rel,item in profile['files'].items():
  if rel.startswith('fixtures/'):assert sha(proposal/rel)==item['sha256']
 inp=Path('/frozen-instance');task=json.loads((inp/'task.json').read_text());assert sha(inp/'task.json')==profile['task_sha256']
 patches=proposal/'public-production-patches';patches.mkdir();baselines={}
 for repo in task['repositories']:
  root=Path(repo['container_path']);assert subprocess.check_output(['git','-C',str(root),'rev-parse','HEAD'],text=True).strip()==repo['base_commit']
  assert not subprocess.check_output(['git','-C',str(root),'status','--porcelain=v1','--untracked-files=all'])
  source=proposal/'public-base-source'/repo['key'];source.parent.mkdir(exist_ok=True)
  shutil.copytree(root,source,symlinks=True,ignore=shutil.ignore_patterns('.git'))
  baselines[repo['key']]={'base':repo['base_commit'],'files':{str(p.relative_to(source)):sha(p)for p in sorted(source.rglob('*'))if p.is_file()},'symlinks':{str(p.relative_to(source)):os.readlink(p)for p in sorted(source.rglob('*'))if p.is_symlink()}}
  gold=inp/repo['gold_patch']['path'];assert sha(gold)==repo['gold_patch']['sha256']
  # The declared native protocol retains exact production blocks from full gold.
  import re
  chunks=re.split(r'(?=^diff --git )',gold.read_text(),flags=re.M)
  kept=[]
  for chunk in chunks:
   if not chunk.startswith('diff --git '):continue
   path=re.search(r'^diff --git a/(.*?) b/',chunk,re.M)[1]
   if not(path.endswith('_test.go')or'/testdata/'in path):kept.append(chunk)
  p=patches/(repo['key']+'.patch');p.write_text(''.join(kept));assert sha(p)==profile['production_projection_hashes'][repo['key']]
 public=proposal/'public-inputs';public.mkdir();(public/'baseline-source-manifest.json').write_text(json.dumps(baselines,sort_keys=True)+'\n')
 # The unchanged runner checks ordinary dependencies against this accepted
 # snapshot. No host dependency mount or candidate module substitution occurs.
 (proposal/'required-module-source').symlink_to('/go/pkg/mod',target_is_directory=True)
 metadata={str(p.relative_to('/go/pkg/mod')):p.read_text()for p in Path('/go/pkg/mod').rglob('*.mod')if p.is_file()}
 index=proposal/'module-cache-source-index-r1';index.mkdir();(index/'module-source-index.json').write_text(json.dumps({'module_metadata':metadata})+'\n')
 command=['python3',str(proposal/'run_world.py'),'--world','all_buggy'if args.world=='all_buggy'else'all_public_gold','--output-root',str(output/'native')]
 subprocess.run(command,check=True)
 report=json.loads((output/'native/evidence/report.json').read_text());assert report['status']=='EVIDENCE_COMPLETE_ROOT_CLASSIFICATION_REQUIRED'
 print(json.dumps({'state':'NATIVE_EVIDENCE_COLLECTED_REVIEW_ORIGINAL_RUNTIME_CASES','world':args.world,'output':str(output),'immutable_snapshot_dependency_materialization':True,'test_assertions_changed':False}),flush=True)
if __name__=='__main__':main()