refact

.env

@@ -1,6 +1,8 @@
 DATABASE_URL=postgres://postgres:123QWEasd@localhost:5432/evstation
 PORT=4000
 
+NODE_ENV=production
+
 JWT_SECRET=umaChaveMuitoForteESegura123!
 
 MQTT_URL=mqtt://localhost:1883

app.js

@@ -1,49 +0,0 @@
-// app.js
-require('dotenv').config();
-
-// Enforce presence of JWT_SECRET
-if (!process.env.JWT_SECRET) {
-  console.error('Error: JWT_SECRET is not defined in environment.');
-  process.exit(1);
-}
-
-const express = require('express');
-
-// Route modules
-const usersRoutes = require('./routes/users');
-const chargerRoutes = require('./routes/chargers');
-const sessionsRoutes = require('./routes/charger_sessions');
-const pushRoutes = require('./routes/push'); // ✅ ADICIONA ISTO
-
-const app = express();
-
-// Global middlewares
-app.use(express.json());
-
-// Public routes (no auth)
-app.use('/api/users', usersRoutes);
-
-// Protected routes
-// ✅ NOTA: chargers/sessions/push já têm router.use(verifyToken) internamente
-// portanto não precisas passar verifyToken aqui.
-app.use('/api/chargers', chargerRoutes);
-app.use('/api/charger_sessions', sessionsRoutes);
-app.use('/api/push', pushRoutes); // ✅ ISTO resolve /api/push/vapid-public-key
-
-// Health check opcional (bom para produção)
-app.get('/api/health', (req, res) => {
-  res.json({ success: true, ok: true });
-});
-
-// Error handler (catch-all)
-app.use((err, req, res, next) => {
-  console.error('Unhandled error:', err);
-  res
-    .status(err.status || 500)
-    .json({
-      success: false,
-      message: err.message || 'Internal Server Error',
-    });
-});
-
-module.exports = app;

db.js

@@ -1,15 +0,0 @@
-// ./db.js
-require('dotenv').config();
-const knex = require('knex');
-const knexfile = require('./knexfile');
-
-// Pega o ambiente (default pra 'development')
-const environment = process.env.NODE_ENV || 'development';
-
-// Recupera só as configurações daquele ambiente
-const config = knexfile[environment];
-
-// Inicializa o Knex com esse config
-const db = knex(config);
-
-module.exports = db;

knexfile.js

@@ -1,11 +1,55 @@
+// knexfile.js
 require('dotenv').config();
 
+function must(name) {
+  const v = process.env[name];
+  if (!v) throw new Error(`${name} não definido no .env`);
+  return v;
+}
+
+const shared = {
+  client: 'pg',
+  migrations: {
+    directory: './src/db/migrations',
+  },
+};
+
+function buildConnectionFromEnv() {
+  // Se houver DATABASE_URL, usa-o.
+  // Se PGSSL=true, aplica ssl no formato esperado pelo driver pg (dentro de connection).
+  const ssl =
+    process.env.PGSSL === 'true' ? { rejectUnauthorized: false } : undefined;
+
+  if (process.env.DATABASE_URL) {
+    // knex aceita string, mas o ssl precisa estar no objeto:
+    return ssl
+      ? { connectionString: process.env.DATABASE_URL, ssl }
+      : process.env.DATABASE_URL;
+  }
+
+  // fallback para vars soltas
+  return {
+    host: process.env.PGHOST || '127.0.0.1',
+    port: Number(process.env.PGPORT || 5432),
+    user: process.env.PGUSER || 'postgres',
+    password: process.env.PGPASSWORD || 'postgres',
+    database: process.env.PGDATABASE || 'evse',
+    ...(ssl ? { ssl } : {}),
+  };
+}
+
 module.exports = {
   development: {
-    client: 'pg',
+    ...shared,
-    connection: process.env.DATABASE_URL,
+    connection: buildConnectionFromEnv(),
-    migrations: {
-      directory: './migrations',
   },
+
+  production: {
+    ...shared,
+    // Em produção normalmente queres obrigar DATABASE_URL (se for o teu caso):
+    // connection: must('DATABASE_URL'),
+    // Mas mantendo compatível com vars soltas:
+    connection: buildConnectionFromEnv(),
+    pool: { min: 2, max: 10 },
   },
 };

middleware/verifyToken.js

@@ -1,41 +0,0 @@
-const jwt = require('jsonwebtoken');
-
-if (!process.env.JWT_SECRET) {
-  throw new Error('JWT_SECRET não definido no .env');
-}
-
-function verifyToken(req, res, next) {
-  const authHeader =
-    req.headers['authorization'] || req.headers['Authorization'];
-
-  if (!authHeader) {
-    return res.status(403).json({ error: 'Token não fornecido' });
-  }
-
-  const match = authHeader.match(/^Bearer\s+(.+)$/i);
-  if (!match) {
-    return res
-      .status(403)
-      .json({ error: 'Token malformado. Use "Bearer <token>"' });
-  }
-
-  const token = match[1];
-
-  jwt.verify(token, process.env.JWT_SECRET, (err, payload) => {
-    if (err) {
-      if (err.name === 'TokenExpiredError') {
-        return res.status(403).json({ error: 'Sessão expirada' });
-      }
-      return res.status(403).json({ error: 'Token inválido' });
-    }
-
-    if (!payload?.id) {
-      return res.status(403).json({ error: 'Token inválido' });
-    }
-
-    req.user = payload;
-    next();
-  });
-}
-
-module.exports = verifyToken;

migrate_structure.sh

@@ -0,0 +1,59 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "==> 0) Criar branch (opcional)"
+# git checkout -b refactor/estrutura-src
+
+echo "==> 1) Criar pastas da nova estrutura"
+mkdir -p src/{config,db,repositories,services,domain/normalize,mqtt/handlers,middleware,routes}
+mkdir -p src/db/migrations
+
+echo "==> 2) Mover ficheiros principais"
+# app/server
+mv app.js src/app.js
+mv server.js src/server.js
+
+# db
+mv db.js src/db/knex.js
+
+# knexfile continua na raiz (ok)
+
+echo "==> 3) Mover routes"
+mv routes/chargers.js src/routes/chargers.routes.js
+mv routes/charger_sessions.js src/routes/sessions.routes.js
+mv routes/push.js src/routes/push.routes.js
+mv routes/users.js src/routes/users.routes.js
+
+echo "==> 4) Mover middleware"
+mv middleware/verifyToken.js src/middleware/auth.js
+
+echo "==> 5) Mover MQTT"
+mv mqtt/client.js src/mqtt/index.js
+
+echo "==> 6) Mover pushService (utils -> services)"
+mv utils/pushService.js src/services/push.service.js
+
+echo "==> 7) Mover migrations"
+mv migrations/* src/db/migrations/
+
+echo "==> 8) Limpar pastas antigas (se vazias)"
+rmdir routes 2>/dev/null || true
+rmdir middleware 2>/dev/null || true
+rmdir mqtt 2>/dev/null || true
+rmdir utils 2>/dev/null || true
+rmdir migrations 2>/dev/null || true
+
+echo "==> 9) Criar placeholders úteis (opcional)"
+touch src/config/index.js
+touch src/services/{chargers.service.js,configs.service.js,sessions.service.js}
+touch src/repositories/{chargers.repo.js,sessions.repo.js,push.repo.js}
+touch src/domain/normalize/{chargingStatus.js,chargingConfig.js}
+touch src/middleware/{validate.js,errorHandler.js}
+touch src/mqtt/publishers.js
+touch src/mqtt/handlers/{evse.handler.js,meter.handler.js,legacy.handler.js}
+
+echo "==> 10) Mostrar nova árvore (até 4 níveis)"
+tree -a -L 4 src || true
+
+echo "✅ Estrutura criada e ficheiros movidos."
+echo "⚠️ Próximo passo: corrigir os imports/paths (vai quebrar até ajustar)."

migrations/20250619_create_tables.js

@@ -1,74 +0,0 @@
-// migrations/20250619_create_tables.js
-exports.up = async function(knex) {
-  // Create 'users' table
-  await knex.schema.createTable('users', (table) => {
-    table.increments('id').primary();
-    table.string('username', 255).notNullable().unique();
-    table.string('password', 255).notNullable();
-    table.timestamp('created_at').defaultTo(knex.fn.now());
-  });
-
-  // Create 'chargers' table with new fields
-  await knex.schema.createTable('chargers', (table) => {
-    table.uuid('id').primary().defaultTo(knex.raw('gen_random_uuid()'));
-    table.integer('user_id').unsigned().notNullable()
-         .references('id').inTable('users').onDelete('CASCADE');
-    table.string('location', 255).notNullable();
-    table.string('status', 50).notNullable().defaultTo('offline');
-    table.integer('charging_current').notNullable().defaultTo(32);
-    table.timestamp('updated_at').notNullable().defaultTo(knex.fn.now());
-    table.string('mqtt_user', 255).notNullable();
-    table.string('mqtt_pass', 255).notNullable();
-    table.string('mqtt_topic', 255).notNullable().unique();
-    table.timestamp('created_at').defaultTo(knex.fn.now());
-
-    // Add power and current for 3 phases, voltage and other new fields
-    table.integer('charging_time').notNullable().defaultTo(0); // Total charging time
-    table.decimal('consumption', 8, 2).notNullable().defaultTo(0); // Consumption (kWh)
-    
-    // Power for 3 phases (L1, L2, L3)
-    table.decimal('power_l1', 8, 2).notNullable().defaultTo(0);
-    table.decimal('power_l2', 8, 2).notNullable().defaultTo(0);
-    table.decimal('power_l3', 8, 2).notNullable().defaultTo(0);
-
-    // Voltage for 3 phases (L1, L2, L3)
-    table.decimal('voltage_l1', 8, 2).notNullable().defaultTo(0);
-    table.decimal('voltage_l2', 8, 2).notNullable().defaultTo(0);
-    table.decimal('voltage_l3', 8, 2).notNullable().defaultTo(0);
-
-    // Current for 3 phases (L1, L2, L3)
-    table.decimal('current_l1', 8, 2).notNullable().defaultTo(0);
-    table.decimal('current_l2', 8, 2).notNullable().defaultTo(0);
-    table.decimal('current_l3', 8, 2).notNullable().defaultTo(0);
-  });
-
-  // Create 'charger_configs' table
-  await knex.schema.createTable('charger_configs', (table) => {
-    table.uuid('charger_id').primary()
-         .references('id').inTable('chargers').onDelete('CASCADE');
-    table.integer('max_charging_current').notNullable().defaultTo(32);
-    table.boolean('require_auth').notNullable().defaultTo(false);
-    table.boolean('rcm_enabled').notNullable().defaultTo(false);
-    table.integer('temperature_limit').notNullable().defaultTo(60);
-    table.timestamp('config_received_at').notNullable().defaultTo(knex.fn.now());
-  });
-
-  // Create 'charger_sessions' table
-  await knex.schema.createTable('charger_sessions', (table) => {
-    table.increments('id').primary();
-    table.uuid('charger_id').notNullable()
-         .references('id').inTable('chargers').onDelete('CASCADE');
-    table.timestamp('started_at').notNullable();
-    table.timestamp('ended_at');
-    table.decimal('kwh', 8, 2).notNullable().defaultTo(0);
-    table.decimal('cost', 10, 2);
-    table.timestamp('created_at').defaultTo(knex.fn.now());
-  });
-};
-
-exports.down = async function(knex) {
-  await knex.schema.dropTableIfExists('charger_sessions');
-  await knex.schema.dropTableIfExists('charger_configs');
-  await knex.schema.dropTableIfExists('chargers');
-  await knex.schema.dropTableIfExists('users');
-};

mqtt/client.js

@@ -1,436 +0,0 @@
-// mqtt/client.js
-const mqtt = require('mqtt');
-const EventEmitter = require('events');
-const db = require('../db');
-const { sendPushToUser } = require('../utils/pushService');
-require('dotenv').config();
-
-const emitter = new EventEmitter();
-
-const MQTT_URL = process.env.MQTT_URL || 'mqtt://localhost:1883';
-const mqttUser = process.env.MQTT_USER || 'admin';
-const mqttPass = process.env.MQTT_PASS || '123QWEasd';
-
-const client = mqtt.connect(MQTT_URL, {
-  username: mqttUser,
-  password: mqttPass,
-  reconnectPeriod: 2000,
-});
-
-// --------------------
-// Helpers
-// --------------------
-const lastEnabled = {}; // por chargerId
-
-function getStatusFromStateCode(code) {
-  const map = {
-    A1: '🔌 Not Conn.',
-    B1: '🟡 Unauth.',
-    B2: '🟢 Ready',
-    C1: '⚡ Wait',
-    C2: '⚡ Charging',
-    D1: '💨 Vent (req)',
-    D2: '💨 Vent',
-    E: '❌ CP Error',
-    F: '⚠️ Fault',
-  };
-  return map[code] || '❓ Unknown';
-}
-
-function getTriple(arr) {
-  return Array.isArray(arr)
-    ? arr.slice(0, 3).map((n) => Math.round((Number(n) || 0) * 10) / 10)
-    : [0, 0, 0];
-}
-
-function toOneDecimal(v) {
-  const n = Number(v);
-  if (!Number.isFinite(n)) return 0;
-  return Math.round(n * 10) / 10;
-}
-
-function shallowEqual(a, b) {
-  if (a === b) return true;
-  if (!a || !b) return false;
-  const ak = Object.keys(a);
-  const bk = Object.keys(b);
-  if (ak.length !== bk.length) return false;
-  for (const k of ak) {
-    const av = a[k];
-    const bv = b[k];
-    if (Array.isArray(av) || Array.isArray(bv)) {
-      if (!Array.isArray(av) || !Array.isArray(bv)) return false;
-      if (av.length !== bv.length) return false;
-      for (let i = 0; i < av.length; i++) {
-        if (av[i] !== bv[i]) return false;
-      }
-    } else if (av !== bv) {
-      return false;
-    }
-  }
-  return true;
-}
-
-// --------------------
-// Caches
-// --------------------
-
-// último estado normalizado por chargerId
-const lastStateByChargerId = new Map(); // chargerId -> normalizedState
-
-// cache charger por mqttTopic (evita SELECT a cada msg)
-const chargerCache = new Map(); // mqttTopic -> { charger, fetchedAt }
-const CHARGER_CACHE_TTL_MS = Number(process.env.CHARGER_CACHE_TTL_MS || 30000);
-
-async function getChargerByMqttTopic(mqttTopic) {
-  const cached = chargerCache.get(mqttTopic);
-  const now = Date.now();
-
-  if (cached && now - cached.fetchedAt < CHARGER_CACHE_TTL_MS) {
-    return cached.charger;
-  }
-
-  const charger = await db('chargers').where({ mqtt_topic: mqttTopic }).first();
-  if (charger) {
-    chargerCache.set(mqttTopic, { charger, fetchedAt: now });
-  }
-  return charger;
-}
-
-// --------------------
-// Subscribe
-// --------------------
-client.on('connect', () => {
-  console.log('[MQTT] Conectado ao broker:', MQTT_URL);
-
-  // ✅ tópicos fixos que TU pediste manter
-  const fixedTopics = ['+/state', '+/response/config/evse'];
-
-  // opcional via env (mas não substitui os fixos)
-  const envTopics = (process.env.MQTT_SUB_TOPICS || '')
-    .split(',')
-    .map((s) => s.trim())
-    .filter(Boolean);
-
-  const topicsToSub = [...new Set([...fixedTopics, ...envTopics])];
-
-  topicsToSub.forEach((t) => {
-    client.subscribe(t, { qos: 0 }, (err, granted) => {
-      if (err) {
-        console.error('[MQTT] Falha ao subscrever', t, err.message);
-      } else {
-        console.log('[MQTT] Subscrito:', granted?.map((g) => g.topic).join(', ') || t);
-      }
-    });
-  });
-});
-
-// --------------------
-// Messages
-// --------------------
-client.on('message', async (topic, message) => {
-  // LOG para garantir que está a consumir
-  console.log('[MQTT] msg recebida em:', topic);
-
-  const parts = topic.split('/');
-  const mqttTopic = parts[0];              // ex: bf92842c365a
-  const subtopic = parts.slice(1).join('/'); // ex: state  ou response/config/evse
-
-  // --------------------
-  // STATE
-  // --------------------
-  if (subtopic === 'state') {
-    try {
-      const payload = JSON.parse(message.toString());
-
-      const charger = await getChargerByMqttTopic(mqttTopic);
-      if (!charger) {
-        console.warn(`[MQTT] Charger não encontrado para topic: ${mqttTopic}`);
-        return;
-      }
-
-      const chargerId = charger.id;
-      const now = new Date();
-
-      const stateCode = String(payload.state || '').split(' ')[0];
-      if (!stateCode) {
-        console.warn(`[MQTT] Estado ausente/inválido para charger ID ${chargerId}`);
-        return;
-      }
-
-      const status = getStatusFromStateCode(stateCode);
-
-      const [p1, p2, p3] = getTriple(payload.power);
-      const [v1, v2, v3] = getTriple(payload.voltage);
-      const [c1, c2, c3] = getTriple(payload.current);
-
-      const consumption = toOneDecimal(payload.consumption);
-      const chargingTime = toOneDecimal(
-        payload.chargingTime ?? payload.sessionTime
-      );
-
-      const normalizedState = {
-        status,
-        charging_current: c1,
-        consumption,
-        charging_time: chargingTime,
-
-        power_l1: p1,
-        power_l2: p2,
-        power_l3: p3,
-
-        voltage_l1: v1,
-        voltage_l2: v2,
-        voltage_l3: v3,
-
-        current_l1: c1,
-        current_l2: c2,
-        current_l3: c3,
-      };
-
-      const prevState = lastStateByChargerId.get(chargerId);
-      const changed = !prevState || !shallowEqual(prevState, normalizedState);
-
-      if (changed) {
-        await db('chargers')
-          .where({ id: chargerId })
-          .update({
-            ...normalizedState,
-            updated_at: now.toISOString(),
-          });
-
-        lastStateByChargerId.set(chargerId, normalizedState);
-        console.log(`[DB] Estado atualizado para charger ID ${chargerId}`);
-      } else {
-        // só para debug — podes remover depois
-        console.log(`[MQTT] Estado repetido, sem write (charger ${chargerId})`);
-      }
-
-      // sessões start/stop (mantido)
-      const previouslyEnabled = lastEnabled[chargerId] || false;
-      const currentlyEnabled = stateCode === 'C2';
-
-      if (!previouslyEnabled && currentlyEnabled) {
-        const activeSession = await db('charger_sessions')
-          .where({ charger_id: chargerId })
-          .whereNull('ended_at')
-          .first();
-
-        if (!activeSession) {
-          await db('charger_sessions').insert({
-            charger_id: chargerId,
-            started_at: now,
-            kwh: consumption,
-          });
-          console.log(`[DB] Sessão iniciada para charger ID ${chargerId}`);
-        }
-      }
-
-      if (previouslyEnabled && !currentlyEnabled) {
-        const session = await db('charger_sessions')
-          .where({ charger_id: chargerId })
-          .whereNull('ended_at')
-          .first();
-
-        if (session) {
-          await db('charger_sessions')
-            .where({ id: session.id })
-            .update({ ended_at: now, kwh: consumption });
-
-          console.log(`[DB] Sessão finalizada para charger ID ${chargerId}`);
-        }
-      }
-
-      lastEnabled[chargerId] = currentlyEnabled;
-
-      // emit para socket
-      emitter.emit('charging-status', {
-        charger_id: chargerId,
-        mqtt_topic: mqttTopic,
-        status,
-        stateCode,
-        consumption,
-        chargingTime,
-        power: [p1, p2, p3],
-        voltage: [v1, v2, v3],
-        current: [c1, c2, c3],
-        raw: payload,
-      });
-
-      // push (mantido)
-      if (status === '⚠️ Fault' || status === '❌ CP Error') {
-        await sendPushToUser(charger.user_id, {
-          title: '⚠️ Erro no carregador',
-          body: `${charger.location || 'Carregador'} entrou em falha.`,
-          url: `/charger/${charger.id}`,
-        });
-      }
-
-      if (previouslyEnabled && !currentlyEnabled) {
-        await sendPushToUser(charger.user_id, {
-          title: '✅ Carregamento concluído',
-          body: `${charger.location || 'Carregador'} terminou o carregamento.`,
-          url: `/history`,
-        });
-      }
-    } catch (err) {
-      console.error(`[MQTT] Erro ao processar state '${mqttTopic}':`, err);
-      console.error('Payload recebido:', message.toString());
-    }
-  }
-
-  // --------------------
-  // CONFIG RESPONSE
-  // --------------------
-  else if (subtopic === 'response/config/evse') {
-    try {
-      const payload = JSON.parse(message.toString());
-
-      const charger = await getChargerByMqttTopic(mqttTopic);
-      if (!charger) {
-        console.warn(`[MQTT] Charger não encontrado para topic: ${mqttTopic}`);
-        return;
-      }
-
-      const configData = {
-        charger_id: charger.id,
-        max_charging_current: payload.maxChargingCurrent || 32,
-        require_auth: !!payload.requireAuth,
-        rcm_enabled: !!payload.rcm,
-        temperature_limit: payload.temperatureThreshold || 60,
-        config_received_at: new Date().toISOString(),
-      };
-
-      const existingConfig = await db('charger_configs')
-        .where({ charger_id: charger.id })
-        .first();
-
-      const prevCfgNorm = existingConfig
-        ? {
-            max_charging_current: Number(existingConfig.max_charging_current) || 32,
-            require_auth: !!existingConfig.require_auth,
-            rcm_enabled: !!existingConfig.rcm_enabled,
-            temperature_limit: Number(existingConfig.temperature_limit) || 60,
-          }
-        : null;
-
-      const nextCfgNorm = {
-        max_charging_current: Number(configData.max_charging_current) || 32,
-        require_auth: !!configData.require_auth,
-        rcm_enabled: !!configData.rcm_enabled,
-        temperature_limit: Number(configData.temperature_limit) || 60,
-      };
-
-      const cfgChanged = !prevCfgNorm || !shallowEqual(prevCfgNorm, nextCfgNorm);
-
-      if (cfgChanged) {
-        if (existingConfig) {
-          await db('charger_configs')
-            .where({ charger_id: charger.id })
-            .update(configData);
-          console.log(`[DB] Configuração atualizada para charger ID ${charger.id}`);
-        } else {
-          await db('charger_configs').insert(configData);
-          console.log(`[DB] Nova configuração inserida para charger ID ${charger.id}`);
-        }
-      } else {
-        console.log(`[MQTT] Config repetida, sem write (charger ${charger.id})`);
-      }
-
-      emitter.emit('charging-config', {
-        ...configData,
-        mqtt_topic: mqttTopic,
-        raw: payload,
-      });
-    } catch (err) {
-      console.error(`[MQTT] Erro ao processar config '${mqttTopic}':`, err);
-      console.error('Payload recebido:', message.toString());
-    }
-  }
-});
-
-// --------------------
-// Broker offline / checker (igual ao teu)
-// --------------------
-client.on('offline', async () => {
-  console.warn('[MQTT] Broker offline');
-
-  try {
-    const chargers = await db('chargers').select('id', 'user_id', 'location');
-    const uniqueUsers = [...new Set(chargers.map((c) => c.user_id))];
-
-    await Promise.allSettled(
-      uniqueUsers.map((userId) =>
-        sendPushToUser(userId, {
-          title: '📡 Broker MQTT offline',
-          body: 'O sistema perdeu ligação ao broker. Alguns estados podem estar desatualizados.',
-          url: '/',
-        })
-      )
-    );
-  } catch (err) {
-    console.error('[MQTT] erro offline push:', err.message);
-  }
-});
-
-setInterval(async () => {
-  try {
-    const timeoutMinutes = Number(process.env.CHARGER_OFFLINE_MINUTES || 5);
-    const limitDate = new Date(Date.now() - timeoutMinutes * 60 * 1000);
-
-    const offlineChargers = await db('chargers')
-      .where('updated_at', '<', limitDate.toISOString())
-      .andWhereNot({ status: 'offline' })
-      .select('*');
-
-    for (const ch of offlineChargers) {
-      await db('chargers')
-        .where({ id: ch.id })
-        .update({ status: 'offline' });
-
-      lastStateByChargerId.delete(ch.id);
-      lastEnabled[ch.id] = false;
-
-      await sendPushToUser(ch.user_id, {
-        title: '🔌 Carregador offline',
-        body: `${ch.location || 'Carregador'} está offline há mais de ${timeoutMinutes} min.`,
-        url: `/charger/${ch.id}`,
-      });
-    }
-  } catch (err) {
-    console.error('[MQTT] offline checker erro:', err.message);
-  }
-}, 60 * 1000);
-
-// --------------------
-// API pública
-// --------------------
-function on(event, handler) {
-  emitter.on(event, handler);
-}
-
-function sendConfig(chargerTopic, property, value) {
-  const payload = { [property]: value };
-  client.publish(`${chargerTopic}/set/config/evse`, JSON.stringify(payload), {
-    qos: 1,
-  });
-}
-
-function sendEnable(chargerTopic, enable) {
-  client.publish(
-    `${chargerTopic}/enable`,
-    JSON.stringify({ enable: !!enable }),
-    { qos: 1 }
-  );
-}
-
-function requestConfig(chargerTopic) {
-  client.publish(`${chargerTopic}/request/config/evse`, null, { qos: 1 });
-}
-
-module.exports = {
-  on,
-  sendConfig,
-  sendEnable,
-  requestConfig,
-};