esphome:
  name: office-sensor
  friendly_name: Office Sensor

  # Boot sequence - start with WiFi connecting effect
  on_boot:
    - priority: 600
      then:
        - logger.log: "Device booting, starting WiFi connection"
        - light.turn_on:
            id: status_led
            effect: "wifi_connecting"

esp32:
  board: esp32-s3-devkitc-1
  framework:
    type: esp-idf
    sdkconfig_options:
      CONFIG_ESP32S3_DEFAULT_CPU_FREQ_240: "y"
      CONFIG_ESP32S3_DATA_CACHE_64KB: "y"
      CONFIG_ESP32S3_DATA_CACHE_LINE_64B: "y"
      CONFIG_AUDIO_BOARD_CUSTOM: "y"

psram:
  mode: octal
  speed: 80MHz

# Enable logging
logger:

# I2C configuration for sensors
i2c:
  sda: GPIO4
  scl: GPIO5
  scan: true
  id: scd40_bus

# Enable Home Assistant API
api:
  encryption:
    key: "ZGLTCJYjvXIJA0LIP8o/k9Vp+Tia9AhHgXZ/WHCQ1gQ="

  # API connection event handlers
  on_client_connected:
    - logger.log: "Home Assistant API connected"
    - light.turn_off: status_led

  on_client_disconnected:
    - logger.log: "Home Assistant API disconnected"
    - light.turn_on:
        id: status_led
        effect: "ha_connecting"

  actions:
    - action: calibrate_co2_value
      variables:
        co2_ppm: int
      then:
        - scd4x.perform_forced_calibration:
            value: !lambda "return co2_ppm;"
            id: scd40_sensor
    - action: factory_reset_co2_sensor
      then:
        - scd4x.factory_reset: scd40_sensor

# Allow Over-The-Air updates
ota:
  - platform: esphome
    password: !secret ota_password

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

  # WiFi connection event handlers
  on_connect:
    - logger.log: "WiFi connected, attempting Home Assistant connection"
    - light.turn_on:
        id: status_led
        effect: "ha_connecting"

  on_disconnect:
    - logger.log: "WiFi disconnected"
    - light.turn_on:
        id: status_led
        effect: "wifi_connecting"

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Living-Room-Sensor Hotspot"
    password: !secret ota_password

# Status LED configuration
light:
  - platform: esp32_rmt_led_strip
    id: status_led
    name: "Status LED"
    pin: GPIO48
    num_leds: 1
    chipset: ws2812
    rgb_order: GRB
    effects:
      # Yellow blinking during WiFi connection
      - strobe:
          name: "wifi_connecting"
          colors:
            - state: true
              brightness: 80%
              red: 100%
              green: 100%
              blue: 0%
              duration: 500ms
            - state: false
              duration: 500ms
      # Orange blinking during Home Assistant connection
      - strobe:
          name: "ha_connecting"
          colors:
            - state: true
              brightness: 80%
              red: 100%
              green: 65%
              blue: 0%
              duration: 300ms
            - state: false
              duration: 300ms

# SCD40 CO2, Temperature, and Humidity Sensor
sensor:
  - platform: scd4x
    id: scd40_sensor
    co2:
      name: "Office CO2"
    temperature:
      name: "Office Temperature"
    humidity:
      name: "Office Humidity"
    measurement_mode: low_power_periodic
    update_interval: 30s

button:
  - platform: restart
    name: "Restart Sensor"
    id: restart_button