import {readFile,writeFile} from 'node:fs/promises';
import path from 'node:path';
const root=path.resolve(import.meta.dirname,'..');
const read=p=>readFile(path.join(root,p),'utf8');
let html=await read('public/index.html');
html=html.replace('data-theme="dark"','data-single-file="true" data-theme="dark"');
html=html.replace(/<script src="[^\"]+"[^>]*><\/script>/g,'');
html=html.replace(/<link rel="stylesheet" href="[^\"]+">/g,'');
let css=(await read('public/style.css')).replace(/^@import[^\n]*\n/gm,'')+'\n'+await read('public/personality.css')+'\n'+await read('public/ui-refinement.css')+'\n'+await read('public/navigation.css');
const data=async asset=>{const ext=path.extname(asset),mime=ext==='.png'?'image/png':ext==='.svg'?'image/svg+xml':'font/otf';return 'data:'+mime+';base64,'+(await readFile(path.join(root,'public',asset.replace(/^\//,'')))).toString('base64');};
for(const asset of new Set([...css.matchAll(/url\(['"]?(\/assets\/[^)'" ]+)['"]?\)/g)].map(x=>x[1])))css=css.replaceAll(asset,await data(asset));
for(const asset of new Set([...html.matchAll(/(?:src|href)="(\/assets\/[^\"]+)"/g)].map(x=>x[1])))html=html.replaceAll(asset,await data(asset));
html=html.replace('</head>','<style>'+css+'</style></head>');
const model=(await read('public/hub-model.js')).replace(/export /g,'');
let hub=(await read('public/hub.js')).replace(/^import[^\n]+\n/,'');
for(const asset of new Set([...hub.matchAll(/"(\/assets\/[^"]+)"/g)].map(m=>m[1])))hub=hub.replaceAll(asset,await data(asset));
html=html.replace('</body>','<script>'+model+'\n'+hub.replace(/<\/script/gi,'<\\/script')+'</script></body>');
const notice='<details class="single-notice" open><summary>Single file mode — read this first</summary><p>This HTML includes the UI, font, images, games and tools. Open the file in a browser. No install needed.</p><ul><li>Relay mode needs internet and your relay passphrase. It loads the hosted relay inside this file. If your browser blocks embedded sign-in, use Open in a tab.</li><li>Use Relay: on on website cards to open the embedded relay. Only domains enabled on the server are accepted. Some websites restrict relays. Compatibility depends on the configured transport and backend.</li><li>Allow browser storage to save settings and notes. Local-file storage depends on your browser. Moving or renaming this file may separate your saved data. Use Export backup before moving it.</li><li>The Worker still runs online. An HTML file cannot run that server by itself.</li></ul><p><a href="https://zeyadsstuffv2.zeyadmused.workers.dev/" target="_blank" rel="noopener noreferrer">Open hosted site</a></p></details>';
html=html.replace('<main class="main-content">','<main class="main-content">'+notice);
html=html.replace(/<details class="connection-settings">[\s\S]*?<\/details>/,'<p class="muted">Enter the relay passphrase in the embedded hosted view.</p>');
html=html.replace('href="/about.html"','href="https://zeyadsstuffv2.zeyadmused.workers.dev/about.html"');
html=html.replace('<a class="secondary-button" href="/ZeyadsStuffV2.html" download>Download HTML</a>','<span class="muted">You are using the single HTML version.</span>');
// No network code or passphrase is bundled. Local tools run directly in this file.
html=html.replace('class="brand" href="/"','class="brand" href="#"');
await writeFile(path.join(root,'public/ZeyadsStuffV2.html'),html);
console.log('Built single HTML file ('+Buffer.byteLength(html).toLocaleString()+' bytes).');