import { StyleSheet } from 'react-native';
import WebView from 'react-native-webview';
import { handleWebViewMessage, pyodideRef } from './extractActivity';
const CDN = 'https://cdn.jsdelivr.net/pyodide/v0.26.4/full/';
// v0.18.1: last version whose JS wrapper avoids ??, ?., and other syntax
// unavailable on Chrome <80 (e.g. Karoo WebView 61). Used in the compat path.
const CDN_COMPAT = 'https://cdn.jsdelivr.net/pyodide/v0.18.1/full/';
// Python snippets embedded as JSON strings to avoid any JS/TS escaping issues.
const PY_INSTALL_PACKAGES = [
'import micropip',
'await micropip.install(["fitdecode", "gpxpy"])',
].join('\n');
// emfs:// is Pyodide's Emscripten-FS URL scheme — the only reliable way to
// install a wheel from bytes without an http/https URL (blob: URLs are not
// recognised by micropip and cause an InvalidRequirement parse error).
// _wheel_path is set as a Pyodide global before this runs.
const PY_INSTALL_WHEEL = [
'import micropip',
'await micropip.install("emfs://" + _wheel_path, deps=False)',
].join('\n');
const PY_EXTRACT = [
'import json, shutil',
'from pathlib import Path',
'from bincio.extract.parsers.factory import parse_file',
'from bincio.extract.metrics import compute',
'from bincio.extract.writer import make_activity_id, write_activity',
'',
'outdir = Path("/tmp/bincio_out")',
'if outdir.exists(): shutil.rmtree(outdir)',
'outdir.mkdir()',
'',
'activity = parse_file(Path("/tmp/" + _filename))',
'metrics = compute(activity)',
'write_activity(activity, metrics, outdir, privacy="public", rdp_epsilon=0.0001)',
'act_id = make_activity_id(activity)',
'',
'detail_path = outdir / "activities" / (act_id + ".json")',
'ts_path = outdir / "activities" / (act_id + ".timeseries.json")',
'geojson_path = outdir / "activities" / (act_id + ".geojson")',
'',
'# write_activity in the installed wheel silently skips timeseries — write it directly.',
'if not ts_path.exists():',
' from bincio.extract.timeseries import build_timeseries as _bts',
' _ts = _bts(activity.points, activity.started_at, "public")',
' if _ts.get("t"):',
' ts_path.write_text(json.dumps(_ts))',
'',
'json.dumps({',
' "id": act_id,',
' "detail": json.loads(detail_path.read_text()),',
' "timeseries": json.loads(ts_path.read_text()) if ts_path.exists() else None,',
' "geojson": json.loads(geojson_path.read_text()) if geojson_path.exists() else None,',
'})',
].join('\n');
// JSON.stringify gives us safely-quoted JS string literals for embedding in HTML.
const PYODIDE_HTML = `
`;
export function PyodideWebView() {
return (
);
}
const styles = StyleSheet.create({
// Off-screen but still rendered — display:none / opacity:0 can suppress JS on some platforms.
hidden: {
position: 'absolute',
top: -2000,
left: 0,
width: 1,
height: 1,
},
});