import { StressLevel } from '@/utils/stress';
import { notificationService, NotificationData, NotificationTypes } from './notifications';

interface HRVStressNotificationPayload {
  hrvValue: number;
  stressIndex: number;
  stressLevel: StressLevel;
  recordedAt: string;
  interpretation: string;
  recommendations: string[];
  dataSource: string;
  message?: string;
}

const LEVEL_CONFIG: Record<
  StressLevel,
  {
    emoji: string;
    title: string;
    priority: NotificationData['priority'];
  }
> = {
  low: {
    emoji: '🧘',
    title: '状态放松',
    priority: 'normal',
  },
  moderate: {
    emoji: '🙂',
    title: '压力适中',
    priority: 'normal',
  },
  high: {
    emoji: '⚠️',
    title: '压力偏高',
    priority: 'high',
  },
};

export async function sendHRVStressNotification(
  payload: HRVStressNotificationPayload
): Promise<void> {
  const config = LEVEL_CONFIG[payload.stressLevel];
  const recommendation = payload.recommendations[0];
  const lines = [
    `HRV ${payload.hrvValue}ms · 压力指数 ${payload.stressIndex}`,
    payload.interpretation,
    `数据来源：${payload.dataSource}`,
  ];

  if (payload.message) {
    lines.push(payload.message);
  }

  if (recommendation) {
    lines.push(`建议：${recommendation}`);
  }

  await notificationService.sendImmediateNotification({
    title: `${config.emoji} ${config.title}`,
    body: lines.join('\n'),
    data: {
      type: NotificationTypes.HRV_STRESS_ALERT,
      stressLevel: payload.stressLevel,
      stressIndex: payload.stressIndex,
      hrvValue: payload.hrvValue,
      recordedAt: payload.recordedAt,
      url: '/(tabs)/statistics',
    },
    sound: true,
    priority: config.priority ?? 'normal',
  });
}