sensors:
  tesla_kwh_needed:
    friendly_name: "Tesla kWh Needed"
    unit_of_measurement: "kWh"
    value_template: >
      {% set capacity = 75 %}
      {% set soc = states('sensor.snowywhite_battery') | float(0) %}
      {% set limit = states('number.snowywhite_charge_limit') | float(100) %}
      {{ [0, ((limit - soc)/100 * capacity)] | max | round(2) }}

  tesla_charge_hours_needed:
    friendly_name: "Tesla Charge Hours Needed"
    unit_of_measurement: "h"
    value_template: >
      {% set power = 11 %}
      {% set kwh = states('sensor.tesla_kwh_needed') | float(0) %}
      {{ (kwh / power)|round(2) }}

  tesla_charging_plan:
    friendly_name: "Tesla Charging Plan"
    value_template: >
      {% set deadline_raw = states('input_datetime.tesla_charge_deadline') %}
      {% set deadline_ts = as_timestamp(deadline_raw)
         if deadline_raw not in ['unknown','unavailable',''] else none %}

      {% set hours_needed = [1,
        states('sensor.tesla_charge_hours_needed') | float(0) | round(0, 'ceil')
      ] | max %}

      {% set prices = (state_attr('sensor.energidataservice','today') or [])
                      + (state_attr('sensor.energidataservice','tomorrow') or []) %}

      {% set valid = [] %}
      {% for p in prices %}
        {% if p.hour is defined and p.hour %}
          {% set ts = as_timestamp(p.hour) %}
          {% if not deadline_ts or ts <= deadline_ts %}
            {% set valid = valid + [p] %}
          {% endif %}
        {% endif %}
      {% endfor %}

      {% set cheapest = (valid | sort(attribute='price'))[:hours_needed] %}

      {% set times = cheapest
        | map(attribute='hour')
        | map('as_timestamp')
        | map('timestamp_local')
        | list %}

      {{ times | join(', ') if times | count > 0 else 'none' }}

binary_sensors:
  tesla_charge_now:
    friendly_name: "Tesla Charge Now"
    device_class: power
    value_template: >
      {% set hours_needed = [1, states('sensor.tesla_charge_hours_needed') | float(0) | round(0, 'ceil')] | max %}
      {% set deadline_raw = states('input_datetime.tesla_charge_deadline') %}
      {% set deadline_ts = as_timestamp(deadline_raw) if deadline_raw not in ['unknown','unavailable',''] else none %}
      {% set prices = (state_attr('sensor.energidataservice','today') or []) + (state_attr('sensor.energidataservice','tomorrow') or []) %}
      {% set valid_prices = [] %}
      {% for p in prices %}
        {% if p.hour is defined and p.hour %}
          {% set ts = as_timestamp(p.hour) %}
          {% if not deadline_ts or ts <= deadline_ts %}
            {% set valid_prices = valid_prices + [p] %}
          {% endif %}
        {% endif %}
      {% endfor %}
      {% set cheapest = (valid_prices | sort(attribute='price'))[:hours_needed] %}
      {% set now_ts = now().replace(minute=0, second=0, microsecond=0).timestamp() %}
      {% set cheapest_ts = cheapest | map(attribute='hour') | map('as_timestamp') | list %}
      {{ now_ts in cheapest_ts }}