#!/usr/bin/env python3
"""RustProxy 0.34.0 sendfile source-wiring assertions ONLY, not native tests."""
from pathlib import Path
import json
import re

root = Path(__file__).resolve().parents[2]
get = lambda path: (root / path).read_text()

model = get('src/web_server/config/model.rs')
assert 'pub enum SendfileMode' in model and 'sendfile: SendfileMode::Off' in model
assert 'pub sendfile: SendfileMode' in model
assert 'sendfile: self.sendfile' in get('src/web_server/config/compile.rs')
assert 'pub sendfile: SendfileMode' in get('src/web_server/config/validation.rs')
assert 'service.sendfile = crate::web_server::SendfileMode::Off;' in get('src/runtime/types.rs')
source = get('src/proxy/forward/web_source.rs')
for guard in ('!enabled && identity_request', 'request_method == Method::GET',
              'response.status() == StatusCode::OK', 'content-encoding',
              'transfer-encoding', 'content-range', 'candidate.length',
              'http::Version::HTTP_11'):
    assert guard in source, guard
assert 'content_encoding.is_none()' in get('src/web_server/response/file.rs')
assert 'single_range.is_none()' in get('src/web_server/response/file.rs')
assert 'opened.file.try_clone()' in get('src/web_server/response/file.rs')
bridge = get('src/server/sendfile.rs')
for item in ('libc::sendfile(', 'MAX_PENDING: usize = 8', 'MIN_SIZE: u64 = 64 * 1024',
             'registry.slots.is_empty()', 'native_sendfile_transfers_exact_file',
             'sendfile placeholder did not match', 'UnexpectedEof'):
    assert item in bridge, item
assert 'pub(crate) mod sendfile' in get('src/server.rs')
assert 'SendfileIo::new(stream)' in get('src/server/tls_runtime.rs')
assert 'sendfile_slots' in get('src/server/http1_connection.rs')
js = get('src/admin/web/web-server.js')
html = get('src/admin/web/index.html')
assert '"web-service-sendfile"' in js and 'sendfile: "off"' in js
assert 'sendfile: $("web-service-sendfile").value' in js
assert html.count('id="web-service-sendfile"') == 1
assert 'value="auto"' in html
for locale in ('en_US', 'pl_pl'):
    keys = json.loads(get(f'langs/{locale}.json'))['translations']
    assert all(k in keys for k in ('webServiceSendfile', 'webServiceSendfileHelp', 'webServiceSendfileAuto'))
api = json.loads(get('src/admin/openapi.json'))
assert 'sendfile' in json.dumps(api)
print('PASS 0.34.0 sendfile source guards, default OFF, Linux syscall, UI, translations, API and scoped cache (STATIC ONLY)')