# ===================================================================
# ESPHome Configuration
# CAN-Bus Master für ein Bewässerungssystem auf Basis des ESP32-C6
#
# Version 10: Finale Korrektur der Lambda-Signatur gemäß Dokumentation
# ===================================================================

esphome:
  name: can-bridge
  friendly_name: Irrigation can bridge

esp32:
  board: esp32-c6-devkitm-1
  framework:
    type: esp-idf # Erforderlich für den ESP32-C6

# --- Netzwerk & Sicherheit ---
wifi:
  ssid: !secret wifi_ssid
  password: !secret wifi_password
  fast_connect: true

api:
  encryption:
    key: !secret api_key

ota:
  platform: esphome
  password: !secret ota_password

logger:

web_server:

# --- Globale Variablen ---
globals:
  - id: ventil_2_can_state
    type: int
    initial_value: '0' # Startet als "geschlossen"

# --- CAN-Bus Konfiguration ---
canbus:
  - platform: esp32_can
    id: my_can_bus
    tx_pin: GPIO5
    rx_pin: GPIO4
    bit_rate: 125kbps
    can_id: 0x000 # Erforderlich, um Parser-Fehler zu beheben.
    on_frame:
      # Horcht nur auf die Statusmeldung von Knoten 2 (ID 0x422)
      - can_id: 0x422
        then:
          - lambda: |-
              if (x.size() < 1) {
                ESP_LOGW("on_can_frame", "Received empty Frame for ID 0x422");
                return;
              }
              int received_state = x[0];
              id(ventil_2_can_state) = received_state;
              ESP_LOGD("on_can_frame", "Received state from Valve 2: %i", received_state);
          - valve.template.publish:
              id: ventil_2
              current_operation: !lambda |-
                int state = id(ventil_2_can_state);
                if (state == 2) {
                  return VALVE_OPERATION_OPENING;
                } else if (state == 3) {
                  return VALVE_OPERATION_CLOSING;
                } else {
                  return VALVE_OPERATION_IDLE;
                }

# --- Home Assistant Entitäten ---
valve:
  - platform: template
    name: "Ventil 2"
    id: ventil_2
    
    # Diese Lambda meldet nur den binären End-Zustand (offen/geschlossen)
    lambda: |-
      if (id(ventil_2_can_state) == 0) {
        return VALVE_CLOSED;
      } else if (id(ventil_2_can_state) == 1) {
        return VALVE_OPEN;
      } else {
        return NAN;
      }

    # Aktionen zum Steuern des Ventils
    open_action:
      - canbus.send:
          canbus_id: my_can_bus
          can_id: 0x210
          data: [0x02, 0x01]

    close_action:
      - canbus.send:
          canbus_id: my_can_bus
          can_id: 0x210
          data: [0x02, 0x00]

    stop_action:
      - canbus.send:
          canbus_id: my_can_bus
          can_id: 0x210
          data: [0x02, 0x03]