#!/usr/bin/env python3
"""Read-only verification that the existing private Space serves this application."""
from datetime import datetime, timezone
import hashlib
import json
from pathlib import Path
import httpx
from huggingface_hub import HfApi, get_token

ROOT = Path(__file__).resolve().parents[1]
state = json.loads((ROOT / 'deployment.json').read_text())
token = get_token()
if not token:
    raise SystemExit('Existing authentication required')
info = HfApi(token=token).space_info(state['repo_id'])
assert info.private and info.runtime.stage == 'RUNNING'
assert str(info.runtime.hardware) == 'zero-a10g'
assert info.sha == state['hub_commit'] == info.runtime.raw['sha']
assert info.card_data['title'] == 'Qwen 2.1 Image'
domains = [row['domain'] for row in info.runtime.raw['domains'] if row['stage'] == 'READY']
preferred = state['repo_id'].lower().replace('/', '-') + '.hf.space'
url = 'https://' + (preferred if preferred in domains else domains[0])
headers = {'Authorization': 'Bearer ' + token}
health = httpx.get(url + '/health', headers=headers, timeout=30).json()
names = ['app.py', 'settings.py', 'requirements.txt', 'frontend/index.html',
         'frontend/style.css', 'frontend/app.js', 'frontend/vendor/gradio-client.js',
         'frontend/examples/glass-pear.png', 'frontend/examples/typography.png',
         'frontend/examples/architecture.png', 'frontend/examples/cutout.png']
fingerprint = hashlib.sha256(b''.join(n.encode()+b'\0'+(ROOT/n).read_bytes()+b'\0' for n in names)).hexdigest()
assert health['source_sha256'] == fingerprint
assert health['frontend'] == 'gr.Server' and health['queue_capacity'] == 8
assets = {}
for name, endpoint in [('frontend/index.html', '/'), ('frontend/style.css', '/assets/style.css'),
                       ('frontend/app.js', '/assets/app.js'),
                       ('frontend/vendor/gradio-client.js', '/assets/vendor/gradio-client.js'),
                       *[(name, '/assets/' + name.removeprefix('frontend/')) for name in names if name.startswith('frontend/examples/')]]:
    response = httpx.get(url + endpoint, headers=headers, timeout=30)
    assert response.status_code == 200 and response.content == (ROOT / name).read_bytes(), name
    assets[name] = hashlib.sha256(response.content).hexdigest()
anonymous_status = httpx.get(url + '/', timeout=30, follow_redirects=False).status_code
assert anonymous_status in {401, 403, 404}
record = {'at': datetime.now(timezone.utc).isoformat(), 'space': state['repo_id'],
          'url': url, 'hub_commit': info.sha, 'source_commit': state['latest_source_commit'],
          'private': info.private, 'runtime': info.runtime.stage, 'hardware': str(info.runtime.hardware),
          'title': info.card_data['title'], 'health': health, 'served_assets_sha256': assets,
          'anonymous_status': anonymous_status, 'credentials_persisted': False}
out = ROOT / 'artifacts' / 'release'
out.mkdir(exist_ok=True)
path = out / (datetime.now(timezone.utc).strftime('%Y%m%dT%H%M%S') + '.json')
path.write_text(json.dumps(record, indent=2)+'\n')
print(json.dumps(record, indent=2))
print(path)