import { getNotificationSettings, NotificationSettings } from './appDb'

export async function sendStatusAlert(
  siteName: string,
  siteUrl: string,
  oldStatus: string,
  newStatus: string,
  ms: number | null
) {
  let settings: NotificationSettings | null
  try {
    settings = await getNotificationSettings()
  } catch {
    return
  }
  if (!settings || !settings.enabled) return

  const isDown = newStatus !== 'up'
  const emoji = newStatus === 'up' ? '✅' : newStatus === 'degraded' ? '⚠️' : '🔴'
  const statusLabel = newStatus === 'up' ? 'Düzeldi (UP)' : newStatus === 'degraded' ? 'Yavaş (DEGRADED)' : 'Çöktü (DOWN)'
  const msText = ms ? ` — ${ms}ms` : ''

  const text = `${emoji} *${siteName}*\nDurum: ${statusLabel}${msText}\nURL: ${siteUrl}`

  if (settings.webhook_url) {
    fetch(settings.webhook_url, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        text,
        site: siteName,
        url: siteUrl,
        status: newStatus,
        previous_status: oldStatus,
        ms,
        timestamp: new Date().toISOString(),
      }),
    }).catch(() => {})
  }

  if (settings.telegram_token && settings.telegram_chat_id) {
    fetch(`https://api.telegram.org/bot${settings.telegram_token}/sendMessage`, {
      method: 'POST',
      headers: { 'Content-Type': 'application/json' },
      body: JSON.stringify({
        chat_id: settings.telegram_chat_id,
        text: `🔔 *VPS Panel*\n\n${text}`,
        parse_mode: 'Markdown',
      }),
    }).catch(() => {})
  }
}