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

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

async function handleRequest(request) {
  const url = new URL(request.url)

  // CORS headers for browser requests
  const corsHeaders = {
    'Access-Control-Allow-Origin': '*',
    'Access-Control-Allow-Methods': 'GET, POST, OPTIONS',
    'Access-Control-Allow-Headers': 'Content-Type, Authorization',
  }

  if (request.method === 'OPTIONS') {
    return new Response(null, { headers: corsHeaders })
  }

  const response = {
    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'
    ]
  }

  return new Response(JSON.stringify(response, null, 2), {
    headers: {
      'Content-Type': 'application/json',
      ...corsHeaders
    }
  })
}