/**
 * Service Worker for Push Notifications
 * Handles incoming push notifications and notification click events
 */

// Handle push events
self.addEventListener('push', (event) => {
  if (!event.data) {
    console.log('Push event received but no data')
    return
  }

  let payload
  try {
    payload = event.data.json()
  } catch (e) {
    console.error('Error parsing push data:', e)
    return
  }

  const { title, body, icon, badge, tag, data, actions } = payload

  const options = {
    body: body || '',
    icon: icon || '/icons/icon-192.png',
    badge: badge || '/icons/badge-72.png',
    tag: tag,
    data: data || {},
    actions: actions || [],
    vibrate: [200, 100, 200],
    requireInteraction: false,
  }

  event.waitUntil(
    self.registration.showNotification(title || 'Ekonomi', options)
  )
})

// Handle notification clicks
self.addEventListener('notificationclick', (event) => {
  event.notification.close()

  const action = event.action
  const data = event.notification.data

  // Determine URL to open
  let url = '/'

  if (action === 'view' && data?.url) {
    url = data.url
  } else if (action === 'dismiss') {
    // Just close the notification
    return
  } else if (data?.url) {
    // Default click goes to the data URL
    url = data.url
  }

  event.waitUntil(
    // Try to focus existing window, otherwise open new one
    clients.matchAll({ type: 'window', includeUncontrolled: true }).then((windowClients) => {
      // Check if there's already a window we can focus
      for (const client of windowClients) {
        if (client.url.includes(self.location.origin) && 'focus' in client) {
          client.focus()
          if ('navigate' in client) {
            client.navigate(url)
          }
          return
        }
      }
      // Otherwise open a new window
      if (clients.openWindow) {
        return clients.openWindow(url)
      }
    })
  )
})

// Handle notification close (for analytics if needed)
self.addEventListener('notificationclose', (event) => {
  console.log('Notification closed:', event.notification.tag)
})

// Service worker activation
self.addEventListener('activate', (event) => {
  event.waitUntil(clients.claim())
})

// Service worker install
self.addEventListener('install', (event) => {
  self.skipWaiting()
})