import { spawn } from 'node:child_process';
import path from 'node:path';

export class PortalScreenshot {
  constructor({ helper = path.resolve(new URL('./py/portal_screenshot.py', import.meta.url).pathname), python = 'python3', spawnImpl = spawn, tmpDir = '/tmp/jarvis-cu' } = {}) { this.helper = helper; this.python = python; this.spawnImpl = spawnImpl; this.tmpDir = tmpDir; }
  async capture(output = path.join(this.tmpDir, `portal-${Date.now()}.png`)) {
    return new Promise((resolve, reject) => { const child = this.spawnImpl(this.python, [this.helper, output], { stdio: ['ignore', 'pipe', 'pipe'] }); let out = ''; let err = ''; child.stdout.on('data', (d) => { out += d; }); child.stderr.on('data', (d) => { err += d; }); child.on('error', reject); child.on('close', (code) => code === 0 ? resolve(out.trim() || output) : reject(new Error(err || `Screenshot portal exited ${code}`))); });
  }
}