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substitutions:
  friendly_name: "Solar Batt Heat Controller"
  
esphome:
  name: "solar-battery-heat-controller"
  platformio_options:
    #upload_speed: 115200
    # #REQUIRED FOR UART TO WORK
    board_build.extra_flags:
      - "-DARDUINO_USB_CDC_ON_BOOT=0"  # Override, defaults to '-DARDUINO_USB_CDC_ON_BOOT=1'

# external_components:
#   - source: github://ssieb/esphome@dallas
#     components: [ dallas ]
#     refresh: 1min

external_components:
  - source: github://nrandell/dallasng

esp32:
  board: featheresp32-s2

# pid climate log update is noisy, dial it back to warn
logger:
  hardware_uart: uart0
  level: DEBUG
  logs: 
    climate: ERROR
    dht: WARN  


uart: 
  - id: debug_uart
    rx_pin: 3
    tx_pin: 1 
    baud_rate: 115200

debug:
  update_interval: 10s   
text_sensor:
  - platform: debug
    device:
      name: "Device Info"
    reset_reason:
      name: "Reset Reason"

api:

ota:
  
# dallas:
#   - pin: 9
#     update_interval: 1s
dallasng:
  - pin: GPIO9
    update_interval: 3s

output:
  - platform: ac_dimmer
    id: dimmer
    gate_pin: GPIO18 
    zero_cross_pin: 
      number: GPIO39 
      mode: INPUT_PULLUP
    method: leading pulse
    init_with_half_cycle: true      
web_server:
  port: 80
  
wifi:
  #use_address: 192.168.1.111
  ssid: !secret wifi_ssid
  password: !secret wifi_password

  # Enable fallback hotspot (captive portal) in case wifi connection fails
  ap:
    ssid: "$friendly_name"
    password: "wifipassword"

captive_portal:

button:
  - platform: restart #allows remote reset of tywe1s chip from home assistant or internally
    id: restart_esp
    name: "$friendly_name Restart" 
  - platform: safe_mode # required to upload firmware if were low on memory. put chip in safe mode, reboot, then OTA upload new firmware.
    name: "$friendly_name SAFE Mode BUTTON"#
  
sensor:
  - platform: dallasng
    id: battery_probe
    name: "Solar-Batt Probe Temp"
    index: 0
    resolution: 12
    filters:
      - filter_out: NAN

  - platform: uptime
    internal: false
    name: ${friendly_name} Uptime
    id: uptime_s
    update_interval: 10s

  - platform: wifi_signal
    name: "$friendly_name WiFi Signal"
    update_interval: 10s 
    id: wifi_signal_db 
  - platform: copy # Reports the WiFi signal strength in %
    source_id: wifi_signal_db
    name: "$friendly_name WiFi Signal %"
    filters:
      - lambda: return min(max(2 * (x + 100.0), 0.0), 100.0);
    unit_of_measurement: "%"
    entity_category: "diagnostic"     
  - platform: template
  
#Pick the batt temp thats availble, HA BMS first otherwise the batt probe here in the ESP32
    name: $friendly_name Valid Battery Temp
    id: valid_temp
    unit_of_measurement: "°C"
    lambda: |-
      if (global_api_server->is_connected())  
      {
        return id(bms_battery_temperature).state;
      } else {
        return id(battery_probe).state;
      }

  # GET TEMP FROM INVERTER in home assistant 
  - platform: homeassistant
    entity_id: sensor.battery_temperature
    name: "BMS inverter temp "
    id: bms_battery_temperature
      # If you don't smooth the output readings 
      # the PID controller over reacts to small changes.
    filters:
      #- lambda: return x * (9.0/5.0) + 32.0; # c to f
      - lambda: return (x - 32.0) * (5.0/9.0); //f to c, its coming in as F (x°F − 32) × 5/9
    #    - exponential_moving_average:  
    #        alpha: 0.1
    #        send_every: 1

#   - platform: dallas
#     address: 0x0a01204e86cdca28
#     name: "Solar-Batt Probe Temp"
#     id: battery_probe
#     filters:
#        - exponential_moving_average:  
#            alpha: 0.1
#            send_every: 1
#        - filter_out: nan
# #get rid of the noise from the sensor
#        - sliding_window_moving_average:
#            window_size: 3
#            send_every: 1  

  - platform: template
    name: $friendly_name p term
    id: p_term
    unit_of_measurement: "%"
    accuracy_decimals: 2

  - platform: template
    name: $friendly_name i term
    id: i_term
    unit_of_measurement: "%"
    accuracy_decimals: 2

  - platform: template
    name: $friendly_name d term
    id: d_term
    unit_of_measurement: "%"
    accuracy_decimals: 2

  - platform: template
    name: $friendly_name output value
    unit_of_measurement: "%"
    id: o_term
    accuracy_decimals: 2

  - platform: template
    name: $friendly_name error value
    id: e_term
    accuracy_decimals: 2

  - platform: pid
    name: "$friendly_name Heater level (PWM Voltage)"
    climate_id: console_thermostat
    type: HEAT
      
########################################################
# START THE HEATER CONTROLLER SETUP
########################################################
number:
  ## RECEIVE kp,ki and kd parameters from input_text.kx helpers in 
  # Home Assistant. See the PID controller below
  # These helper values will get saved to flash thus permanently over-riding 
  # the initial values set in the PID below.

  # KP
  - platform: template
    name: $friendly_name kp
    icon: mdi:chart-bell-curve
    restore_value: true
    min_value: 0
    max_value: 50
    step: 0.001
    set_action: 
      lambda: |- 
        // ESP_LOGI("main", "!!!!!! kp from boot %d", id("console_fan_kp") );
        // id(console_thermostat).set_kp( id("$friendly_name kp") );
        id(console_thermostat).set_kp( x );
  # KI
  - platform: template
    name: $friendly_name ki
    icon: mdi:chart-bell-curve
    restore_value: true
    min_value: 0
    max_value: 50
    step: 0.0001
    set_action: 
      lambda: id(console_thermostat).set_ki( x );

  # KD
  - platform: template
    name: $friendly_name kd
    icon: mdi:chart-bell-curve
    restore_value: true
    min_value: -50
    max_value: 50
    step: 0.001
    set_action: 
      lambda: id(console_thermostat).set_kd( x );


# Expose a PID-controlled Thermostat
# Manual: https://esphome.io/components/climate/pid.html
climate:
  - platform: pid
    name: "$friendly_name Thermostat"
    id: console_thermostat
    #sensor: battery_probe
    sensor: valid_temp #Pick the one thats availble
    # LiFePo4 optimal temp 
    default_target_temperature: 18.3C
    heat_output: dimmer
    deadband_parameters:
      threshold_high: 1.0°C
      threshold_low: -1.5°C
    visual:
      min_temperature: 10 °C
      max_temperature: 40 °C
    on_state:
      - sensor.template.publish:
          id: p_term
          state: !lambda 'return -id(console_thermostat).get_proportional_term() * 100.0;'
      - sensor.template.publish:
          id: i_term
          state: !lambda 'return -id(console_thermostat).get_integral_term()* 100.0;'
      - sensor.template.publish:
          id: d_term
          state: !lambda 'return -id(console_thermostat).get_derivative_term()* 100.0;'
      - sensor.template.publish:
          id: o_term
          state: !lambda 'return -id(console_thermostat).get_output_value()* 100.0;'
      - sensor.template.publish:
          id: e_term
          state: !lambda 'return -id(console_thermostat).get_error_value();'
          
    # See the README for setting up these parameters.
    # These are over ridden by the number templates above.
    control_parameters:
      kp: 0.32
      ki: 0.0009
      kd: 0.0
      max_integral: 0.0