# Loads default set of integrations. Do not remove
# This was added to the homeAutomation repo.
# This is a sample configuration. Please create a configuration.production.yml for production use.
default_config:

automation: !include automations.yaml
script: !include scripts.yaml
scene: !include scenes.yaml

http:
  use_x_forwarded_for: true
  trusted_proxies:
    - 172.16.0.0/12

# ---- 1. Track a running monthly average of the EPEX day-ahead price ----
# (Replace sensor.nordpool_kwh_be_eur_3_10_0 with your actual Nord Pool entity ID)
sensor:
  - platform: statistics
    name: "Epex Monthly Average"
    entity_id: sensor.nordpool_kwh_be_eur_3_10_0
    state_characteristic: mean
    max_age:
      days: 31
    sampling_size: 9999

# ---- 2. Apply Mega's formula and add the fixed cost components ----
template:
  - sensor:
      - name: "Mega Energy Price"
        unique_id: mega_energy_price
        unit_of_measurement: "€/kWh"
        state: >
          {% set epex = states('sensor.epex_monthly_average') | float(0) %}
          {% set excl_vat = epex * 1.085 %}
          {% set incl_vat = excl_vat * 1.06 %}
          {{ incl_vat | round(5) }}

      - name: "Mega All-in Price"
        unique_id: mega_allin_price
        unit_of_measurement: "€/kWh"
        state: >
          {% set energy = states('sensor.mega_energy_price') | float(0) %}
          {% set green_power = 0.01554 %}
          {% set distribution = 0.066985 %}
          {% set excise = 0.0503288 %}
          {% set energy_contribution = 0.0020417 %}
          {{ (energy + green_power + distribution + excise + energy_contribution) | round(5) }}
  - sensor:
      - name: "Mega Injection Price"
        unique_id: mega_injection_price
        unit_of_measurement: "€/kWh"
        state: >
          {% set epex_spp = states('sensor.epex_spp_monthly_average') | float(0) %}
          {% set price = (epex_spp * 0.96) - 1 %}
          {{ [price, 0] | max | round(5) }}

  - sensor:
      - name: "Cistern Water Height"
        unique_id: cistern_water_height
        unit_of_measurement: "mm"
        state_class: measurement
        state: >
          {% set sensor_offset = 290 %}   {# distance (mm) from sensor to tank bottom #}
          {% set distance = states('sensor.regenput_sensor_distance') | float(0) %}
          {% set height = sensor_offset - distance %}
          {{ [ [height, 0] | max, sensor_offset] | min | round(1) }}

      - name: "Cistern Volume"
        unique_id: cistern_volume
        unit_of_measurement: "L"
        device_class: volume
        state_class: measurement
        state: >
          {% set diameter = 1450 %}  {# mm #}
          {% set radius = diameter / 2 %}
          {% set height = states('sensor.cistern_water_height') | float(0) %}
          {% set volume_mm3 = 3.14159265 * (radius ** 2) * height %}
          {{ (volume_cm3 / 1000000) | round(1) }}   {# convert mm³ to liters #}

      - name: "Cistern Fill Percentage"
        unique_id: cistern_fill_percentage
        unit_of_measurement: "%"
        state_class: measurement
        state: >
          {% set sensor_offset = 290 %}  {# same as above, = full tank height #}
          {% set height = states('sensor.cistern_water_height') | float(0) %}
          {{ (height / sensor_offset * 100) | round(1) }}