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substitutions:
  friendly_name: Mi Desk Lamp
  device_name: mi-desklamp

esphome:
  name: ${device_name}
  comment: ${friendly_name}
  platform: ESP8266
  board: esp8285

# Enable logging
logger:

# Enable Home Assistant API
api:

ota:

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

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "Mi-Desk-Lamp-1S Fallback Hotspot"
    password: "4Kv4XJ2e9Bmt"

captive_portal:

# Enable Web server
web_server:
  port: 80

# Sync time with Home Assistant
time:
  - platform: homeassistant
    id: homeassistant_time

# Text sensors with general information
text_sensor:
  - platform: version
    name: ${friendly_name} Version
  - platform: wifi_info
    ip_address:
      name: ${friendly_name} IP Address

sensor:
  # Uptime sensor
  - platform: uptime
    name: ${friendly_name} Uptime
  # WiFi Signal sensor
  - platform: wifi_signal
    name: ${friendly_name} Wifi Signal
    update_interval: 60s
  # Rotary
  - platform: rotary_encoder
    id: rotation
    pin_a: GPIO13
    pin_b: GPIO12
    resolution: 2
    on_value:
      then:
        - if:
            condition:
              # Check if Button is pressed while rotating
              lambda: 'return id(button).state;'
            then:
              # If Button is pressed, change CW/WW
              - lambda: |-
                  auto min_temp = id(light1).get_traits().get_min_mireds();
                  auto max_temp = id(light1).get_traits().get_max_mireds();
                  auto cur_temp = id(light1).current_values.get_color_temperature();
                  auto new_temp = max(min_temp, min(max_temp, cur_temp + (x * 10)));
                  auto call = id(light1).turn_on();
                  call.set_color_temperature(new_temp);
                  call.perform();
            else:
              # If Button is not pressed, change brightness
              - light.dim_relative:
                  id: light1
                  relative_brightness: !lambda |-
                    return x / 25.0;
        # Reset Rotation to 0
        - sensor.rotary_encoder.set_value:
            id: rotation
            value: 0

binary_sensor:
  - platform: gpio
    id: button
    pin:
      number: GPIO2
      inverted: true
    on_click:
      then:
        - light.toggle: light1

output:
  - platform: esp8266_pwm
    pin: GPIO4
    id: output_cold
  - platform: esp8266_pwm
    pin: GPIO5
    id: output_warm

light:
  - platform: cwww
    id: light1
    default_transition_length: 0s
    constant_brightness: true
    name: ${friendly_name} Light
    cold_white: output_cold
    warm_white: output_warm
    cold_white_color_temperature: 6500K
    warm_white_color_temperature: 2650K
    gamma_correct: 0