#!/usr/bin/env python3
"""Bundle exact resolved package licenses; no network or parent-project dependency."""
import json,pathlib,urllib.parse
root=pathlib.Path(__file__).resolve().parents[1]
config=root/'.dart_tool/package_config.json'
packages=json.loads(config.read_text())['packages']
sections=[]; index=[]
for package in sorted(packages,key=lambda p:p['name']):
    if package['name']=='sm_mobile': continue
    uri=urllib.parse.urljoin(config.as_uri(),package['rootUri'])
    path=pathlib.Path(urllib.parse.unquote(urllib.parse.urlparse(uri).path))
    texts=[]
    for file in sorted(path.iterdir()):
        if file.is_file() and file.name.upper().split('.')[0] in ['LICENSE','LICENCE','COPYING','NOTICE']:
            texts.append(file.name+'\n'+file.read_text(errors='replace'))
    if not texts and package['name'] in ['flutter_driver','flutter_test','integration_test','flutter_localizations','flutter_web_plugins','flutter','fuchsia_remote_debug_protocol']:
        for parent in path.parents:
            license_file=parent/'LICENSE'
            if license_file.is_file():
                texts.append('Flutter SDK LICENSE\n'+license_file.read_text());break
    if not texts: raise SystemExit('Missing license: '+package['name'])
    version='SDK'
    pubspec=path/'pubspec.yaml'
    if pubspec.exists():
        import re
        m=re.search(r'^version:\s*([^\n]+)',pubspec.read_text(),re.M)
        if m: version=m.group(1)
    index.append(f"| {package['name']} | {version} |")
    sections.append('\n'+'='*72+'\n'+package['name']+' '+version+'\n'+'\n'.join(texts))
(root/'assets/legal/third_party_notices.txt').write_text('SM Mobile — licenses of resolved Dart/Flutter components\n'+''.join(sections))
(root/'docs/RESOLVED_COMPONENTS.md').write_text('# Resolved Dart and Flutter components\n\nGenerated from package_config.json and the exact package license files.\nFull texts: `assets/legal/third_party_notices.txt`. Flutter also embeds NOTICES.Z in each build.\n\n| Component | Version |\n| --- | --- |\n'+'\n'.join(index)+'\n')
print(f'Collected {len(sections)} component license notices.')