# Living Room flow – current analysis

Analysis of the **Living Room** tab as pulled from Node-RED (root@10.20.30.12) on the current flows.

---

## Tab

| Property | Value |
|----------|--------|
| **Tab id** | `7de41d810b04d992` |
| **Label** | Living Room |
| **Nodes** | 12 |

---

## Nodes (in flow order)

### 1. Inputs

| Node | Type | Config | Out →
|------|------|--------|------
| **(unnamed)** | **trigger-state** | Server: `29eb84a2708d96e0`. Entity: **`input_boolean.living_room_new`**. 2 outputs (allowed, blocked). | → HA to NVL |
| **(unnamed)** | **zigbee2mqtt-in** | Server: `4e20fc347c658518`. **Friendly name: Office Switch (TS0042)**. | → Zigbee to NVL |

### 2. HA → NVL path

| Node | Type | Role | Out →
|------|------|------|------
| **HA to NVL** | function | ROOM_NAME = `cmd_livingroom`. Reads `msg.topic` / payload, sets `ha_lN_on` / `ha_lN_off` in `flow.nvlInState.rooms.cmd_livingroom`, outputs `buildAndSend`. | → NVL SEND |

### 3. Zigbee → NVL path

| Node | Type | Role | Out →
|------|------|------|------
| **Zigbee to NVL** | function | ROOM_NAME = `cmd_livingroom`. Maps action (e.g. `1_single`) to `zigbee_swN`, sets state, `zigbeeClear`, `buildAndSend`. | → 80ms, NVL SEND |
| **80ms** | delay | 80 ms. | → Clear zigbee edge |
| **Clear zigbee edge** | function | Clears `zigbee_swN` in state, sets `buildAndSend`. | → NVL SEND |

### 4. NVL send path

| Node | Type | Role | Out →
|------|------|------|------
| **NVL SEND** | function | Builds payload from `flow.nvlInState` (roomNames with `cmd_livingroom`), struct_room_cmds. | → link out 26 |

**link out 26** → (cross-tab) → Flow 1 **to UDP** → **udp out** (PLC).

### 5. PLC → HA sync path (in Living Room tab)

| Node | Type | Role | Out →
|------|------|------|------
| **link in 14** | link in | Receives from **Flow 1** “from PLC states” link out (after nvl-receive). | → NVL to HA Sync |
| **NVL to HA Sync** | function | Compares PLC light state to last; outputs only on change. Output 1 = turn_on msgs, Output 2 = turn_off msgs (`payload.action` + `payload.target.entity_id`). | → two api-call-service nodes |
| **(unnamed)** | **api-call-service** | Action: **`input_boolean.turn_on`**. Entity: **`input_boolean.living_room_new`**. | — |
| **(unnamed)** | **api-call-service** | Action: **`input_boolean.turn_off`**. Entity: **`input_boolean.living_room_new`**. | — |

---

## Flow diagram (current)

```
[trigger-state]                    [zigbee2mqtt-in]
 input_boolean.living_room_new     Office Switch (TS0042)
        |                                    |
        v                                    v
   HA to NVL  <------------------------  Zigbee to NVL
        |                                    |
        |                                    +---> 80ms --> Clear zigbee edge
        |                                    |              |
        +------------------------------------+--------------+
        |
        v
   NVL SEND --> link out 26 --------> (Flow 1: to UDP --> PLC)

(Flow 1: udp in --> nvl-receive --> "from PLC states" link out)
        |
        v
   link in 14 --> NVL to HA Sync --> Output 1 --> api-call-service (turn_on)
                                 --> Output 2 --> api-call-service (turn_off)
```

---

## Notes

1. **Zigbee device** in this tab is **Office Switch (TS0042)**; commands still go to **cmd_livingroom** (living room NVL). If the switch is physically in the office, you may want a separate room/flow or map it to another room in Zigbee to NVL.
2. **NVL SEND** matches the redesign: single list of rooms (`roomNames`), only **cmd_livingroom** for now; link out 26 sends to Flow 1 → UDP.
3. **PLC → HA** sync is in the Living Room tab: **link in 14** gets PLC state from Flow 1, **NVL to HA Sync** outputs only on change, two **api-call-service** nodes with fixed **`input_boolean.turn_on`** / **`input_boolean.turn_off`** and **`input_boolean.living_room_new`**. With “Block Input Overrides” off, the sync’s `msg.payload` would override; if it’s on, the fixed entity is used (which matches the single current entity).
4. **Flows file** in the repo has been updated from this pull: `docs/integration/nodered-flows.json`.