import * as Sentry from '@sentry/react-native';
import type { Span } from '@sentry/types';
import Constants from 'expo-constants';

declare const __DEV__: boolean;

const DSN = process.env.EXPO_PUBLIC_SENTRY_DSN;
export const IS_DEV = __DEV__;
export const MONITOR_ENABLED = !IS_DEV || process.env.EXPO_PUBLIC_MONITOR_ENABLED === 'true';

export function initSentry(): void {
  if (!MONITOR_ENABLED || !DSN) return;
  try {
    Sentry.init({
      dsn: DSN,
      debug: IS_DEV,
      environment: IS_DEV ? 'development' : 'production',
      release: `palace-mobile@${Constants.expoConfig?.version ?? '0.0.0'}`,
      tracesSampleRate: IS_DEV ? 1.0 : 0.1,
      profilesSampleRate: IS_DEV ? 1.0 : 0.5,
      enableAutoSessionTracking: true,
      enableAutoPerformanceTracing: true,
    });
  } catch (e) {
    console.warn('Telemetry initialization failed:', e);
  }
}

export type { Span };

type SpanOptions = Parameters<typeof Sentry.startSpan>[0];

export function startSpan<T>(options: SpanOptions, callback: (span: Span) => T): T {
  return Sentry.startSpan(options, callback);
}

export function startInactiveSpan(options: SpanOptions & { parentSpan?: Span }): Span | undefined {
  return Sentry.startInactiveSpan(options);
}

export function captureException(error: unknown, context?: Record<string, unknown>): void {
  Sentry.captureException(error, context ? { extra: context } : undefined);
}

export async function flushIfDev(): Promise<void> {
  if (IS_DEV) await Sentry.flush();
}