From 7c67b9e34ab7caca606782dcac5bd00d29e59386 Mon Sep 17 00:00:00 2001
From: Nikita Biziaev <cap7goo@gmail.com>
Date: Sun, 5 Jul 2026 16:39:15 +0500
Subject: [PATCH] data/edge5/modbus/v3

---
 app/src/handlers/edge5-modbus-v3.ts | 121 ++++++++++++++++++++++++++++
 app/src/handlers/index.ts           |   2 +
 2 files changed, 123 insertions(+)
 create mode 100644 app/src/handlers/edge5-modbus-v3.ts

diff --git a/app/src/handlers/edge5-modbus-v3.ts b/app/src/handlers/edge5-modbus-v3.ts
new file mode 100644
index 0000000..a1eaf09
--- /dev/null
+++ b/app/src/handlers/edge5-modbus-v3.ts
@@ -0,0 +1,121 @@
+import { postCloudIngest } from '../cloud-ingest.js'
+import { log } from '../helpers/log.js'
+import type { TopicHandler } from '../types.js'
+
+const EDGE = 'edge5-v3'
+const REGISTER_COUNT = 24
+
+// Фиксируем интерпретацию
+const TAGS = [
+  'edge5-v3-wk',
+  'edge5-v3-pin',
+  'edge5-v3-hk',
+  'edge5-v3-mk',
+  'edge5-v3-mrot',
+  'edge5-v3-h',
+  'edge5-v3-vw',
+  'edge5-v3-pdk',
+  'edge5-v3-h2s',
+  'edge5-v3-t',
+  'edge5-v3-nrot',
+  'edge5-v3-vsp',
+] as const
+
+// из них выводим на дашборд семь виджетов
+const CLOUD_INGEST_TAGS = new Set<string>([
+  'edge5-v3-wk',
+  'edge5-v3-hk',
+  'edge5-v3-vw',
+  'edge5-v3-pdk',
+  'edge5-v3-h2s',
+  'edge5-v3-nrot',
+  'edge5-v3-vsp',
+])
+
+type Edge5ModbusV3Metric = {
+  edge: string
+  timestamp: string
+  tag: string
+  value: number
+}
+
+function toFloatCDAB(reg0: number, reg1: number): number {
+  const buf = Buffer.allocUnsafe(4)
+  buf.writeUInt16BE(reg1, 0)
+  buf.writeUInt16BE(reg0, 2)
+  return buf.readFloatBE(0)
+}
+
+function parseValues(payload: Buffer): number[] {
+  const values = JSON.parse(payload.toString('utf8')) as number[]
+  assertRegisterCount(values)
+  return values
+}
+
+function assertRegisterCount(values: number[]): void {
+  if (values.length !== REGISTER_COUNT) {
+    throw new Error(`Expected ${REGISTER_COUNT} modbus values, got ${values.length}`)
+  }
+}
+
+function toMetrics(values: number[], timestamp: string): Edge5ModbusV3Metric[] {
+  const metrics: Edge5ModbusV3Metric[] = []
+
+  for (let i = 0; i < values.length; i += 2) {
+    const tag = TAGS[i / 2]
+    const value = toFloatCDAB(values[i], values[i + 1])
+    if (isNaN(value)) {
+      if (CLOUD_INGEST_TAGS.has(tag)) {
+        log(
+          `edge5.modbus.v3: не удалось собрать число для ${tag}, ` +
+            `исходные values[${i}]=${values[i]}, values[${i + 1}]=${values[i + 1]}, пропуск`,
+        )
+      }
+      continue
+    }
+
+    metrics.push({
+      edge: EDGE,
+      timestamp,
+      tag,
+      value,
+    })
+  }
+
+  return metrics
+}
+
+async function postMetrics(metrics: Edge5ModbusV3Metric[]): Promise<void> {
+  const toPost = metrics.filter((metric) => CLOUD_INGEST_TAGS.has(metric.tag))
+  const errors: Error[] = []
+
+  for (const metric of toPost) {
+    try {
+      const response = await postCloudIngest(metric)
+
+      if (!response.ok) {
+        const text = await response.text()
+        throw new Error(text || `${response.status} ${response.statusText}`)
+      }
+    } catch (error) {
+      const message = error instanceof Error ? error.message : String(error)
+      errors.push(new Error(`${metric.tag}: ${message}`))
+      console.error('edge5.modbus.v3.metric.failed', metric.tag, message)
+    }
+  }
+
+  log('edge5.modbus.v3.posted', { total: toPost.length });
+
+  if (errors.length) {
+    throw new Error(`Failed to post ${errors.length}/${toPost.length} edge5 modbus v3 metrics`)
+  }
+}
+
+export const handleEdge5ModbusV3: TopicHandler = async (topic, payload) => {
+  const timestamp = new Date().toISOString();
+  log('edge5.modbus.v3.received', { topic, bytes: payload.length, timestamp })
+
+  const values = parseValues(payload);
+  const metrics = toMetrics(values, timestamp);
+  await postMetrics(metrics);
+}
diff --git a/app/src/handlers/index.ts b/app/src/handlers/index.ts
index 83b8aaf..721c367 100644
--- a/app/src/handlers/index.ts
+++ b/app/src/handlers/index.ts
@@ -3,6 +3,7 @@ import { register } from '../registry.js';
 import { handleDemoPlc } from './demo-plc.js';
 import { handleDemoModbus } from './demo-modbus.js';
 import { handleEdge5ModbusV2 } from './edge5-modbus-v2.js';
+import { handleEdge5ModbusV3 } from './edge5-modbus-v3.js';
 import { handleEdge5Video } from './edge5-video.js';
 import { handleEdge5VideoV2 } from './edge5-video-v2.js';
 
@@ -22,3 +23,4 @@ register(EDGE5_VIDEO_TOPIC, handleEdge5Video);
 register('data/edge5i/modbus', interpretation);
 register('data/edge5cdab/modbus', cdab);
 register('data/edge5/video/v2/+', handleEdge5VideoV2);
+register('data/edge5/modbus/v3', handleEdge5ModbusV3);