substitutions:
  device_name: fdm-exhaust-fan-control
  friendly_name: "FDM Exhaust Fan Control"

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

esp32:
  board: seeed_xiao_esp32c3
  framework:
    type: esp-idf

# Enable logging
logger:

# Enable Home Assistant API
api:
  encryption:
    key: !secret api_encryption_key

ota:
  - platform: esphome
    password: !secret ota_password

wifi:
  ssid: !secret wifi_iot_ssid
  password: !secret wifi_password
  ap:
    ssid: "${friendly_name} Fallback"
    password: !secret fallback_password

captive_portal:

web_server:
  port: 80

# GPIO Outputs for fan control
# IMPORTANT: inverted: true because NPN transistor driver inverts the logic
#   GPIO HIGH -> NPN ON -> Gate LOW -> Fan OFF
#   GPIO LOW  -> NPN OFF -> Gate HIGH (5V via pull-up) -> Fan ON
output:
  - platform: gpio
    pin:
      number: GPIO3  # D1 on XIAO
      inverted: true
    id: fan_80mm_output

  - platform: gpio
    pin:
      number: GPIO4  # D2 on XIAO
      inverted: true
    id: fan_120mm_output

# Fan entities for Home Assistant
fan:
  - platform: binary
    name: "80mm Exhaust Fan"
    id: fan_80mm
    output: fan_80mm_output

  - platform: binary
    name: "120mm Exhaust Fan"
    id: fan_120mm
    output: fan_120mm_output

# Optional: Add a switch to control both fans together
switch:
  - platform: template
    name: "All Fans"
    id: all_fans
    turn_on_action:
      - fan.turn_on: fan_80mm
      - fan.turn_on: fan_120mm
    turn_off_action:
      - fan.turn_off: fan_80mm
      - fan.turn_off: fan_120mm
    lambda: |-
      return id(fan_80mm).state && id(fan_120mm).state;