hytte_link/esphome/cabin_tech.yaml

substitutions:
  device_name: cabin-tech
  friendly_name: "Hytte teknisk"

esphome:
  name: ${device_name}
  friendly_name: ${friendly_name}

esp32:
  board: esp32dev
  framework:
    type: arduino

logger:
api:
  encryption:
    key: !secret api_key

ota:
  - platform: esphome
    password: !secret ota_password

wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password

mqtt:
  broker: !secret mqtt_broker
  port: 1883
  username: !secret mqtt_username
  password: !secret mqtt_password
  topic_prefix: hytte

# ── BLE ──────────────────────────────────────────────────────────────────────

esp32_ble_tracker:
  scan_parameters:
    active: false  # passive scanning — don't connect, just listen

# Victron MPPT (SmartSolar) — reads BLE advertisements
# Get the encryption key from Victron Connect app:
#   Settings → Product info → Encryption key
victron_ble:
  - id: victron_mppt
    mac_address: !secret victron_mac
    bindkey: !secret victron_bindkey

sensor:
  - platform: victron_ble
    victron_ble_id: victron_mppt
    battery_voltage:
      name: "Batteri spenning"
      id: batt_voltage
      on_value:
        then:
          - mqtt.publish:
              topic: hytte/sensor/batt_mv
              payload: !lambda 'return to_string((int)(x * 1000));'
    battery_current:
      name: "Batteri strøm"
    pv_power:
      name: "Solcelle effekt"
    load_power:
      name: "Last effekt"
    charging_mode:
      name: "Lademodus"

# JBD/JBD BMS — active BLE client connection
# External component: https://github.com/syssi/esphome-jbd-bms
external_components:
  - source: github://syssi/esphome-jbd-bms@main
    refresh: 0d

ble_client:
  - mac_address: !secret jbd_mac
    id: jbd_ble_client

jbd_bms:
  - ble_client_id: jbd_ble_client
    id: jbd
    update_interval: 60s

sensor:
  - platform: jbd_bms
    jbd_bms_id: jbd
    state_of_charge:
      name: "Batteri SOC"
      id: batt_soc
      on_value:
        then:
          - mqtt.publish:
              topic: hytte/sensor/batt_pct
              payload: !lambda 'return to_string((int)x);'
    total_voltage:
      name: "Total spenning"
    current:
      name: "Strøm"
    power:
      name: "Effekt"
    temperature_1:
      name: "BMS temperatur"

# ── Temperatur ────────────────────────────────────────────────────────────────
# DS18B20 one-wire — juster pin etter installasjon
one_wire:
  - platform: gpio
    pin: GPIO4

sensor:
  - platform: dallas_temp
    name: "Inne temperatur"
    id: temp_in
    address: !secret ds18b20_indoor_addr
    update_interval: 60s
    on_value:
      then:
        - mqtt.publish:
            topic: hytte/sensor/temp_inne
            payload: !lambda 'return to_string(x);'

  - platform: dallas_temp
    name: "Ute temperatur"
    id: temp_out
    address: !secret ds18b20_outdoor_addr
    update_interval: 60s
    on_value:
      then:
        - mqtt.publish:
            topic: hytte/sensor/temp_ute
            payload: !lambda 'return to_string(x);'

# ── Bryterkanaler (styres via LoRa-kommandoer) ───────────────────────────────

switch:
  - platform: gpio
    name: "Varme"
    id: switch_varme
    pin: GPIO16          # juster pin etter installasjon
    restore_mode: RESTORE_DEFAULT_OFF

  - platform: gpio
    name: "Varmtvannsbereder"
    id: switch_vvb
    pin: GPIO17          # juster pin etter installasjon
    restore_mode: RESTORE_DEFAULT_OFF

# Lytter på kommandoer fra cabin_node (publisert til lokal MQTT)
# HA hjemme → MQTT på alu → LoRa → cabin_node → lokal MQTT → her
mqtt:
  on_message:
    - topic: hytte/cmd/varme
      then:
        - if:
            condition:
              lambda: 'return x == "ON";'
            then:
              - switch.turn_on: switch_varme
            else:
              - switch.turn_off: switch_varme

    - topic: hytte/cmd/vvb
      then:
        - if:
            condition:
              lambda: 'return x == "ON";'
            then:
              - switch.turn_on: switch_vvb
            else:
              - switch.turn_off: switch_vvb