substitutions:
  name: "storage-heater"

packages:
  device_base: !include templates/mystrom.yaml

globals:
- id: heater_was_on_previous_interval
  type: bool
  restore_value: no
  initial_value: "false"

interval:
- interval: 3hours
  then:
    # Turn off the heater if it's on for 3-6 hours in a row.
    lambda: |-
      if (id(mystrom_relay).state) {
        if (id(heater_was_on_previous_interval)) {
          id(mystrom_relay).turn_off();
        }
        id(heater_was_on_previous_interval) = true;
      } else {
        id(heater_was_on_previous_interval) = false;
      }