const express = require('express');
const { ApiDebugLogger } = require('../utils/apiDebugLogger');
const { DroneDetection, Heartbeat, Device } = require('../models');
const { Op } = require('sequelize');
const { authenticateToken } = require('../middleware/auth');
const MultiTenantAuth = require('../middleware/multi-tenant-auth');

const router = express.Router();
const logger = new ApiDebugLogger();

// Test endpoint for API debugging
router.get('/debug-test', (req, res) => {
  console.log('🧪 Debug test endpoint called');
  
  const response = {
    message: 'Debug logging test successful',
    timestamp: new Date().toISOString(),
    debugEnabled: process.env.API_DEBUG === 'true',
    nodeEnv: process.env.NODE_ENV
  };
  
  // Manual log entry for testing
  logger.log('GET', '/api/debug-test', 200, req.query, response);
  
  res.json(response);
});

// Get recent detection payloads with raw data
router.get('/detection-payloads', authenticateToken, MultiTenantAuth, async (req, res) => {
  try {
    const { limit = 50, offset = 0, device_id, detection_id } = req.query;
    
    const whereClause = {
      raw_payload: { [Op.ne]: null }
    };
    
    if (device_id) {
      whereClause.device_id = device_id;
    }
    
    if (detection_id) {
      whereClause.id = detection_id;
    }
    
    // 🔒 SECURITY: Filter detections by user's tenant using device relationship
    const detections = await DroneDetection.findAll({
      where: whereClause,
      include: [{
        model: Device,
        as: 'device',
        where: {
          tenant_id: req.user.tenant_id
        },
        attributes: ['id', 'name', 'tenant_id']
      }],
      order: [['server_timestamp', 'DESC']],
      limit: parseInt(limit),
      offset: parseInt(offset),
      attributes: [
        'id', 'device_id', 'drone_id', 'drone_type', 'rssi', 'freq',
        'server_timestamp', 'device_timestamp', 'raw_payload', 'confidence_level', 'signal_duration', 'geo_lat', 'geo_lon'
      ]
    });
    
    console.log(`� Retrieved ${detections.length} detection payloads for tenant ${req.user.tenant_id}`);
    
    res.json({
      success: true,
      data: detections,
      total: detections.length,
      filters: { device_id, limit, offset },
      tenant_id: req.user.tenant_id
    });
    
  } catch (error) {
    console.error('Error fetching detection payloads:', error);
    res.status(500).json({
      success: false,
      error: 'Failed to fetch detection payloads'
    });
  }
});

// Get recent heartbeat payloads with raw data
router.get('/heartbeat-payloads', authenticateToken, MultiTenantAuth, async (req, res) => {
  try {
    const { limit = 50, offset = 0, device_id } = req.query;
    
    const whereClause = {
      raw_payload: { [Op.ne]: null },
      tenant_id: req.user.tenant_id  // 🔒 SECURITY: Filter by user's tenant
    };
    
    if (device_id) {
      whereClause.device_id = device_id;
    }
    
    const heartbeats = await Heartbeat.findAll({
      where: whereClause,
      order: [['received_at', 'DESC']],
      limit: parseInt(limit),
      offset: parseInt(offset),
      attributes: [
        'id', 'device_id', 'device_key', 'received_at', 'raw_payload', 'tenant_id'
      ]
    });
    
    console.log(`� Retrieved ${heartbeats.length} heartbeat payloads for tenant ${req.user.tenant_id}`);
    
    res.json({
      success: true,
      data: heartbeats,
      total: heartbeats.length,
      filters: { device_id, limit, offset },
      tenant_id: req.user.tenant_id
    });
    
  } catch (error) {
    console.error('Error fetching heartbeat payloads:', error);
    res.status(500).json({
      success: false,
      error: 'Failed to fetch heartbeat payloads'
    });
  }
});

// Get debug configuration status
router.get('/config', authenticateToken, (req, res) => {
  const config = {
    STORE_HEARTBEATS: process.env.STORE_HEARTBEATS === 'true',
    STORE_DRONE_TYPE0: process.env.STORE_DRONE_TYPE0 === 'true',
    LOG_ALL_DETECTIONS: process.env.LOG_ALL_DETECTIONS === 'true',
    API_DEBUG: process.env.API_DEBUG === 'true',
    STORE_RAW_PAYLOAD: process.env.STORE_RAW_PAYLOAD === 'true',
    NODE_ENV: process.env.NODE_ENV
  };
  
  console.log('🔍 Debug configuration requested');
  
  res.json({
    success: true,
    config,
    timestamp: new Date().toISOString()
  });
});

module.exports = router;