import crypto from 'node:crypto';
import fs from 'node:fs/promises';
import path from 'node:path';

const AGENT_NAME = 'Claude Code';
const BASE_URL = String(process.env.FABRIQUE_BASE_URL || 'https://lblaster.com').replace(/\/+$/, '');
const API_BASE = BASE_URL + '/api/v1';
const SOURCE_FILE = path.resolve(process.env.FABRIQUE_SOURCE_FILE || 'dist/index.html');
const STATE_FILE = path.resolve(process.env.FABRIQUE_STATE_FILE || '.fabrique/claude-code-state.json');
const SLUG = String(process.env.FABRIQUE_SLUG || '').trim();

const html = await fs.readFile(SOURCE_FILE, 'utf8');
const htmlHash = crypto.createHash('sha256').update(html).digest('hex');

let state = null;
try {
  state = JSON.parse(await fs.readFile(STATE_FILE, 'utf8'));
} catch {}

if (state && state.lastHash === htmlHash && state.url) {
  console.log('[' + AGENT_NAME + '] Aucun changement HTML detecte. URL conservee : ' + state.url);
  process.exit(0);
}

const hasExistingDeploy = !!(state && state.siteId && state.deleteToken);
const endpoint = hasExistingDeploy
  ? API_BASE + '/sites/' + encodeURIComponent(state.siteId)
  : API_BASE + '/sites';

const payload = { html };
if (SLUG && !hasExistingDeploy) payload.slug = SLUG;

const response = await fetch(endpoint, {
  method: hasExistingDeploy ? 'PUT' : 'POST',
  headers: {
    'Content-Type': 'application/json',
    ...(hasExistingDeploy ? { 'X-Delete-Token': state.deleteToken } : {})
  },
  body: JSON.stringify(payload)
});

const result = await response.json().catch(function () {
  return {};
});

if (!response.ok) {
  throw new Error(result.message || result.error || '[' + AGENT_NAME + '] Publication Fabrique impossible.');
}

const data = result.data || result;
const siteId = data.siteId || (state && state.siteId) || '';
const deleteToken = data.deleteToken || (state && state.deleteToken) || '';
const publicUrl = data.url || (siteId ? BASE_URL + '/fabric/' + siteId : '');

await fs.mkdir(path.dirname(STATE_FILE), { recursive: true });
await fs.writeFile(STATE_FILE, JSON.stringify({
  agent: AGENT_NAME,
  siteId: siteId,
  deleteToken: deleteToken,
  url: publicUrl,
  lastHash: htmlHash,
  updatedAt: new Date().toISOString()
}, null, 2));

console.log('[' + AGENT_NAME + '] Publication terminee : ' + publicUrl);
console.log('[' + AGENT_NAME + '] Ajoute ce script dans .claude/settings.local.json via un hook PostToolUse ou Stop.');