// Health check and API info endpoint
// Path: /api

const handler = (request) => {
  const corsHeaders = {
    'Access-Control-Allow-Origin': '*',
    'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
    'Access-Control-Allow-Headers': 'Content-Type, Authorization',
    'Content-Type': 'application/json'
  }

  if (request.method === 'OPTIONS') {
    let response = new Response('')
    response.headers.set('Access-Control-Allow-Origin', '*')
    response.headers.set('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
    response.headers.set('Access-Control-Allow-Headers', 'Content-Type, Authorization')
    return response
  }

  const data = {
    status: 'ok',
    service: 'mylder-wws',
    version: '1.0.0',
    timestamp: new Date().toISOString(),
    endpoints: {
      health: '/api',
      chat: '/chat',
      webhook: '/webhook'
    },
    runtime: 'wasm-workers-server',
    features: [
      'cloudflare-compatible',
      'zero-vendor-lock-in',
      'webassembly-sandbox'
    ]
  }

  let response = new Response(JSON.stringify(data, null, 2))
  response.headers.set('Content-Type', 'application/json')
  response.headers.set('Access-Control-Allow-Origin', '*')
  return response
}

addEventListener('fetch', event => {
  return event.respondWith(handler(event.request))
})