// Edge resource-aware processing
class EdgeProcessor {
  constructor(constraints) {
    this.maxMemory = constraints.memory;
    this.maxCPU = constraints.cpu;
    this.powerBudget = constraints.power;
  }
  
  processData(data) {
    if (this.getMemoryUsage() > this.maxMemory * 0.8) {
      return this.offloadToCloud(data);
    }
    
    return this.processLocally(data);
  }
  
  offloadToCloud(data) {
    // Compress and send to cloud
    const compressed = this.compress(data);
    return this.cloudAPI.process(compressed);
  }
}

// 5G network slicing for edge applications
const edgeSliceConfig = {
  sliceId: 'edge-computing-001',
  requirements: {
    latency: '<1ms',
    bandwidth: '1Gbps',
    reliability: '99.999%',
    coverage: 'indoor/outdoor'
  },
  applications: [
    'autonomous-vehicles',
    'ar-vr-gaming',
    'industrial-automation'
  ]
};

import React, { useState, useEffect } from 'react';
import { View, Text } from 'react-native';

const EdgeComputingComponent = () => {
  const [edgeStatus, setEdgeStatus] = useState('connecting');
  const [processingMode, setProcessingMode] = useState('local');
  
  useEffect(() => {
    const edgeConfig = {
      fallbackTimeout: 2000,
      localProcessingThreshold: 0.8,
      batteryOptimization: true
    };
    
    initializeEdgeConnection(edgeConfig);
  }, []);
  
  const processDataAtEdge = async (data) => {
    try {
      // Attempt local edge processing first
      if (getDeviceCapacity() < 0.8) {
        return await localEdgeProcess(data);
      }
      
      // Fallback to nearby edge node
      return await nearbyEdgeProcess(data);
    } catch (error) {
      // Ultimate fallback to cloud
      return await cloudProcess(data);
    }
  };
  
  return (
    <View>
      <Text>Edge Status: {edgeStatus}</Text>
      <Text>Processing Mode: {processingMode}</Text>
    </View>
  );
};

// React Native offline storage
import AsyncStorage from '@react-native-async-storage/async-storage';
import NetInfo from '@react-native-netinfo/netinfo';

class OfflineManager {
  constructor() {
    this.isOnline = false;
    this.pendingOperations = [];
    this.syncQueue = [];
  }
  
  async storeOffline(key, data) {
    try {
      const timestamp = Date.now();
      const offlineData = {
        data,
        timestamp,
        synced: false
      };
      
      await AsyncStorage.setItem(key, JSON.stringify(offlineData));
      this.syncQueue.push(key);
      
      if (this.isOnline) {
        this.processSyncQueue();
      }
    } catch (error) {
      console.error('Offline storage error:', error);
    }
  }
  
  async processSyncQueue() {
    while (this.syncQueue.length > 0) {
      const key = this.syncQueue.shift();
      await this.syncToEdge(key);
    }
  }
}

class EdgeCloudSync {
  constructor(edgeId, cloudEndpoint) {
    this.edgeId = edgeId;
    this.cloudEndpoint = cloudEndpoint;
    this.syncInterval = 30000; // 30 seconds
    this.eventQueue = [];
  }
  
  async syncToCloud() {
    const pendingEvents = this.getPendingEvents();
    
    if (pendingEvents.length === 0) return;
    
    try {
      const response = await fetch(`${this.cloudEndpoint}/sync`, {
        method: 'POST',
        headers: { 'Content-Type': 'application/json' },
        body: JSON.stringify({
          edgeId: this.edgeId,
          events: pendingEvents,
          timestamp: Date.now()
        })
      });
      
      if (response.ok) {
        this.markEventsSynced(pendingEvents);
      }
    } catch (error) {
      console.error('Sync failed:', error);
      // Implement exponential backoff
      this.scheduleRetry();
    }
  }
  
  async receiveFromCloud() {
    try {
      const response = await fetch(`${this.cloudEndpoint}/updates/${this.edgeId}`);
      const updates = await response.json();
      
      for (const update of updates) {
        await this.applyUpdate(update);
      }
    } catch (error) {
      console.error('Receive updates failed:', error);
    }
  }
}

class ConflictResolver {
  static resolveConflict(localData, cloudData) {
    // Vector clock comparison
    if (this.isNewerVersion(localData.vectorClock, cloudData.vectorClock)) {
      return localData;
    } else if (this.isNewerVersion(cloudData.vectorClock, localData.vectorClock)) {
      return cloudData;
    } else {
      // Concurrent updates - merge
      return this.mergeData(localData, cloudData);
    }
  }
  
  static mergeData(data1, data2) {
    // Application-specific merge logic
    return {
      ...data1,
      ...data2,
      mergedAt: Date.now(),
      conflicts: this.identifyConflicts(data1, data2)
    };
  }
}

const dataClassification = {
  critical: {
    consistency: 'strong',
    replication: 'synchronous',
    validation: 'immediate'
  },
  normal: {
    consistency: 'eventual',
    replication: 'asynchronous',
    validation: 'periodic'
  },
  cached: {
    consistency: 'weak',
    replication: 'none',
    validation: 'none'
  }
};

class EdgeMonitor {
  constructor() {
    this.metrics = {
      latency: [],
      throughput: 0,
      cpu: 0,
      memory: 0,
      network: 0
    };
  }
  
  recordMetric(type, value) {
    const timestamp = Date.now();
    
    if (type === 'latency') {
      this.metrics.latency.push({ value, timestamp });
      // Keep only last 1000 measurements
      if (this.metrics.latency.length > 1000) {
        this.metrics.latency.shift();
      }
    } else {
      this.metrics[type] = value;
    }
    
    // Send to monitoring service periodically
    if (timestamp % 60000 === 0) { // Every minute
      this.sendMetrics();
    }
  }
}