---

substitutions:
  macsuffix: "27afc1"

wifi:
  power_save_mode: LIGHT

improv_serial:

globals:
  # Configure CO2 indicator thresholds
  - id: threshold1
    type: float
    initial_value: '750'
  - id: threshold2
    type: float
    initial_value: '1200'
  - id: threshold3
    type: float
    initial_value: '1500'
  - id: threshold4
    type: float
    initial_value: '1750'
  - id: threshold5
    type: float
    initial_value: '2000'

  # Configure the brightness values for the LED indicator
  - id: dim
    type: float
    initial_value: '0.35'
  - id: bright
    type: float
    initial_value: '0.5'

esphome:
  name: "d1-mini-scd40-${macsuffix}"
  project:
    name: "cccda.d1-mini-scd40"
    version: "2023052001"
  comment: "https://git.darmstadt.ccc.de/cda/co2-sensor-workshop/"
  on_boot:
    then:
      - light.turn_on:
          id: indicator
          red: 0
          green: 0.2
          blue: 1.0
          effect: "None"
          brightness: 30%

esp8266:
  board: d1_mini

captive_portal:

logger:
  level: DEBUG
  logs:
    light: INFO
    sensor: INFO

web_server:
  port: 80

api:
  reboot_timeout: 0s

# Enable either SNTP or Home Assistant as a time source
time:
  # https://esphome.io/components/time/sntp.html
  - platform: sntp
    id: time_source
    timezone: "Europe/Berlin"
    servers:
      - 10.152.0.1
    # Disable LED indicator during nighttime
    # https://esphome.io/components/time/index.html#on-time-trigger
    on_time:
      - hours: 8
        minutes: 0
        seconds: 0
        then:
          - light.turn_on:
              # cold white
              id: indicator
              red: 0.9
              green: 0.9
              blue: 0.9
              effect: "None"
              brightness: !lambda |-
                return id(dim);
          - logger.log: "Leaving night mode via on_time, enabling LED indicator."
      - hours: 22
        minutes: 0
        seconds: 0
        then:
          - light.turn_off: indicator
          - logger.log: "Entering night mode via on_time, disabling LED indicator."
    on_time_sync:
      then:
        - if:
            condition:
              lambda: |
                return
                  (id(time_source).now().hour < 8 ||
                   id(time_source).now().hour >= 22);
            then:
              - light.turn_off: indicator
              - logger.log: "Entering night mode via on_time_sync, disabling LED indicator."

i2c:
  scl: GPIO5
  sda: GPIO4
  scan: false

sensor:
  - platform: scd4x
    id: scd40
    # low power mode
    measurement_mode: low_power_periodic
    update_interval: 30s
    # Apply a temperature correction offset, that gets substracted
    # from the measured temperature, defaults to 4.0
    #temperature_offset: 1.5
    co2:
      name: "${macsuffix} CO2"
      on_value:
        then:
        - if:
            condition:
              and:
                - lambda: return (x < id(threshold1));
                - light.is_on: indicator
            then:
              - light.turn_on:
                  # cold white
                  id: indicator
                  red: 0.9
                  green: 0.9
                  blue: 0.9
                  effect: "None"
                  brightness: !lambda |-
                    return id(dim);
        - if:
            condition:
              and:
                - lambda: return (x > id(threshold1) and x < id(threshold2));
                - light.is_on: indicator
            then:
              - light.turn_on:
                  # neutral white
                  id: indicator
                  red: 1.0
                  green: 0.84
                  blue: 0.54
                  effect: "None"
                  brightness: !lambda |-
                    return id(bright);
        - if:
            condition:
              and:
                - lambda: return (x > id(threshold2) and x < id(threshold3));
                - light.is_on: indicator
            then:
              - light.turn_on:
                  # warmwhite
                  id: indicator
                  red: 1.0
                  green: 0.75
                  blue: 0.0
                  effect: "None"
                  brightness: !lambda |-
                    return id(bright);
        - if:
            condition:
              and:
                - lambda: return (x > id(threshold3) and x < id(threshold4));
                - light.is_on: indicator
            then:
              - light.turn_on:
                  # orange
                  id: indicator
                  red: 1.0
                  green: 0.5
                  blue: 0.0
                  effect: "None"
                  brightness: !lambda |-
                    return id(bright);
        - if:
            condition:
              and:
                - lambda: return (x > id(threshold4) and x < id(threshold5));
                - light.is_on: indicator
            then:
              - light.turn_on:
                  # red
                  id: indicator
                  red: 1.0
                  green: 0.0
                  blue: 0.0
                  effect: "None"
                  brightness: !lambda |-
                    return id(bright);
        - if:
            condition:
                - lambda: return (x > id(threshold5));
                - light.is_on: indicator
            then:
              - light.turn_on:
                  # red pulse
                  id: indicator
                  red: 1.0
                  green: 0.0
                  blue: 0.0
                  effect: "Fast Pulse"
                  brightness: !lambda |-
                    return id(bright);
    humidity:
      name: "${macsuffix} Humidity"
    temperature:
      name: "${macsuffix} Temperature"

button:
  - platform: template
    name: "${macsuffix} Force CO2 Sensor Calibration"
    icon: "mdi:restart"
    on_press:
      then:
        - scd4x.perform_forced_calibration:
            value: !lambda |-
              return id(co2_sensor_calibration_normal).state;
            id: scd40

number:
  - platform: template
    id: co2_sensor_calibration_normal
    name: "${macsuffix} C02 Sensor Calibration Normal"
    mode: "box"
    optimistic: true
    unit_of_measurement: "ppm"
    # Average outdoor value for March 2023
    # https://www.co2.earth/daily-co2
    initial_value: 421
    min_value: 0
    max_value: 1000000
    step: 1

light:
  - platform: neopixelbus
    id: indicator
    name: "${macsuffix} CO2 Level Indicator"
    type: GRB
    variant: WS2812
    pin: GPIO0
    num_leds: 3
    effects:
      - pulse:
          name: "Fast Pulse"
          transition_length: 0.5s
          update_interval: 0.5s