import * as Sentry from '@sentry/nextjs'

import { shouldDropExpectedProductSentryEvent } from './lib/observability/expectedProductError'

const dsn = process.env.SENTRY_DSN?.trim() || process.env.NEXT_PUBLIC_SENTRY_DSN?.trim()

/** Iran runtime cannot reach ingest.de; send via Finland relay. */
function sentryTunnel(): string | undefined {
  const fromEnv = process.env.SENTRY_TUNNEL?.trim()
  if (fromEnv) return fromEnv
  if (process.env.NODE_ENV === 'production') return 'https://sentry-relay.ghabilee.ir/monitoring'
  return undefined
}

function tracesSampleRate(): number {
  const raw = process.env.SENTRY_TRACES_SAMPLE_RATE ?? '0.1'
  const parsed = Number.parseFloat(raw)

  return Number.isFinite(parsed) ? parsed : 0.1
}

export function initEdgeSentry() {
  // فقط در production — در local/dev نویز و مصرف سهمیه نمی‌خواهیم
  if (process.env.NODE_ENV !== 'production' || !dsn) return

  Sentry.init({
    dsn,
    tunnel: sentryTunnel(),
    environment: process.env.SENTRY_ENVIRONMENT?.trim() || process.env.NODE_ENV || 'production',
    release: process.env.SENTRY_RELEASE?.trim() || process.env.NEXT_PUBLIC_APP_VERSION || undefined,
    tracesSampleRate: tracesSampleRate(),
    sendDefaultPii: false,
    beforeSend(event, hint) {
      if (shouldDropExpectedProductSentryEvent(event, hint.originalException)) return null

      return event
    },
  })
}