import { getWorkoutTypeDisplayName, WorkoutData } from '@/utils/health';
import { getNotificationEnabled } from '@/utils/userPreferences';
import {
  getWorkoutNotificationEnabled,
  isNotificationTimeAllowed,
  isWorkoutTypeEnabled
} from '@/utils/workoutPreferences';
import { notificationService, NotificationTypes } from './notifications';
import { getWorkoutDetailMetrics } from './workoutDetail';

interface WorkoutEncouragementMessage {
  title: string;
  body: string;
  data: Record<string, any>;
}

export async function analyzeWorkoutAndSendNotification(workout: WorkoutData): Promise<void> {
  try {
    // 检查用户是否启用了通用通知
    const notificationsEnabled = await getNotificationEnabled();
    if (!notificationsEnabled) {
      console.log('用户已禁用通知，跳过锻炼结束通知');
      return;
    }

    // 检查用户是否启用了锻炼通知
    const workoutNotificationsEnabled = await getWorkoutNotificationEnabled();
    if (!workoutNotificationsEnabled) {
      console.log('用户已禁用锻炼通知，跳过锻炼结束通知');
      return;
    }

    // 检查时间限制（避免深夜打扰）
    const timeAllowed = await isNotificationTimeAllowed();
    if (!timeAllowed) {
      console.log('当前时间不适合发送通知，跳过锻炼结束通知');
      return;
    }

    // 检查特定锻炼类型是否启用了通知
    const workoutTypeEnabled = await isWorkoutTypeEnabled(workout.workoutActivityTypeString || '');
    if (!workoutTypeEnabled) {
      console.log('该锻炼类型已禁用通知，跳过锻炼结束通知:', workout.workoutActivityTypeString);
      return;
    }

    // 获取详细的锻炼指标
    const workoutMetrics = await getWorkoutDetailMetrics(workout);

    // 生成个性化鼓励消息
    const message = generateEncouragementMessage(workout, workoutMetrics);

    // 发送通知
    await notificationService.sendImmediateNotification({
      title: message.title,
      body: message.body,
      data: {
        type: NotificationTypes.WORKOUT_COMPLETION,
        workoutId: workout.id,
        workoutType: workout.workoutActivityTypeString,
        duration: workout.duration,
        calories: workout.totalEnergyBurned,
        ...message.data
      },
      sound: true,
      priority: 'high'
    });

    console.log('锻炼结束通知已发送:', message.title);
  } catch (error) {
    console.error('发送锻炼结束通知失败:', error);
  }
}

function generateEncouragementMessage(
  workout: WorkoutData,
  metrics: any
): WorkoutEncouragementMessage {
  const workoutType = getWorkoutTypeDisplayName(workout.workoutActivityTypeString);
  const durationMinutes = Math.round(workout.duration / 60);
  const calories = workout.totalEnergyBurned ? Math.round(workout.totalEnergyBurned) : 0;

  // 基于锻炼类型和指标生成个性化消息
  let title = '锻炼完成！';
  let body = '';
  let data: Record<string, any> = {};

  switch (workout.workoutActivityTypeString?.toLowerCase()) {
    case 'running':
      title = '🏃‍♂️ 跑步完成！';
      body = `太棒了！您刚刚完成了${durationMinutes}分钟的跑步，消耗了约${calories}千卡热量。`;
      if (metrics.averageHeartRate) {
        body += `平均心率${metrics.averageHeartRate}次/分。`;
      }
      body += '坚持运动让身体更健康！💪';
      break;

    case 'cycling':
      title = '🚴‍♂️ 骑行完成！';
      body = `骑行${durationMinutes}分钟完成！消耗了约${calories}千卡热量。`;
      if (workout.totalDistance) {
        const distanceKm = (workout.totalDistance / 1000).toFixed(2);
        body += `骑行距离${distanceKm}公里。`;
      }
      body += '享受骑行的自由吧！🌟';
      break;

    case 'swimming':
      title = '🏊‍♂️ 游泳完成！';
      body = `游泳${durationMinutes}分钟完成！消耗了约${calories}千卡热量。`;
      body += '全身运动效果极佳，继续保持！💦';
      break;

    case 'yoga':
      title = '🧘‍♀️ 瑜伽完成！';
      body = `${durationMinutes}分钟的瑜伽练习完成！提升了柔韧性和内心平静。`;
      body += '继续保持这份宁静！🌸';
      break;

    case 'functionalstrengthtraining':
    case 'traditionalstrengthtraining':
      title = '💪 力量训练完成！';
      body = `力量训练${durationMinutes}分钟完成！消耗了约${calories}千卡热量。`;
      if (metrics.mets && metrics.mets > 6) {
        body += '高强度训练，效果显著！🔥';
      }
      body += '肌肉正在变得更强壮！';
      break;

    case 'highintensityintervaltraining':
      title = '🔥 HIIT训练完成！';
      body = `高强度间歇训练${durationMinutes}分钟完成！消耗了约${calories}千卡热量。`;
      body += '心肺功能得到有效提升，您的努力值得称赞！⚡';
      break;

    default:
      title = '🎯 锻炼完成！';
      body = `${workoutType}${durationMinutes}分钟完成！消耗了约${calories}千卡热量。`;
      body += '坚持运动，健康生活！🌟';
      break;
  }

  // 添加心率区间分析（如果有心率数据）
  if (metrics.heartRateZones && metrics.heartRateZones.length > 0) {
    const dominantZone = metrics.heartRateZones.reduce((prev: any, current: any) =>
      current.durationMinutes > prev.durationMinutes ? current : prev
    );

    if (dominantZone.durationMinutes > 5) {
      data.heartRateZone = dominantZone.key;
      data.heartRateZoneLabel = dominantZone.label;
    }
  }

  // 添加锻炼强度评估
  if (metrics.mets) {
    data.intensity = metrics.mets < 3 ? 'low' : metrics.mets < 6 ? 'moderate' : 'high';
  }

  return { title, body, data };
}