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
  manual_ip:
    static_ip: 192.168.69.110
    gateway: 192.168.69.1
    subnet: 255.255.255.0
  ap:
    ssid: "${friendly_name} Fallback"
    password: !secret fallback_password
  
  # Prevents aggressive reconnection attempts
  power_save_mode: none  # Use 'light' for battery devices
  
  # Slower but more reliable connection
  fast_connect: true
  
  # Handle connection failures gracefully
  on_connect:
    - logger.log: "Wi-Fi connected!"
  on_disconnect:
    - logger.log: "Wi-Fi disconnected!"

# Reduce mDNS traffic
mdns:
  disabled: true  # Set to true if you use static IPs and don't need discovery

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;

# Diagnostic sensors
sensor:
  - platform: wifi_signal
    name: "${device_name} WiFi Signal"
    update_interval: 60s
    
  - platform: uptime
    name: "${device_name} Uptime"
    update_interval: 60s

text_sensor:
  - platform: wifi_info
    ip_address:
      name: "${device_name} IP Address"
    ssid:
      name: "${device_name} Connected SSID"
    bssid:
      name: "${device_name} BSSID"

# Watchdog to auto-reboot if things go wrong
interval:
  - interval: 5min
    then:
      - if:
          condition:
            and:
              - lambda: 'return millis() > 300000;'  # >5 min uptime
              - not:
                  wifi.connected:
          then:
            - logger.log: "Wi-Fi not connected for 5 min, rebooting..."
            - delay: 10s
            - lambda: 'App.safe_reboot();'