esphome:
  name: test-missing-state

host:
api:
  batch_delay: 0ms  # Disable batching to receive all state updates
logger:

# None of these publish a state at startup, so each one starts out unknown
switch:
  - platform: template
    name: "Test Switch"
    id: test_switch
    optimistic: true
    restore_mode: DISABLED

climate:
  - platform: template
    name: "Test Climate"
    id: test_climate
    optimistic: true
    supported_modes:
      - "OFF"
      - HEAT

  # A configured initial state is a state, so this one starts out known
  - platform: template
    name: "Initial Climate"
    id: initial_climate
    optimistic: true
    restore_mode: NO_RESTORE
    supported_modes:
      - "OFF"
      - HEAT
    initial_state:
      mode: HEAT

globals:
  - id: lambda_mode_known
    type: bool
    initial_value: "false"

water_heater:
  - platform: template
    name: "Test Water Heater"
    id: test_water_heater
    supported_modes:
      - "OFF"
      - ECO

  # Reports OFF, which is also the default, once the MCU-equivalent global says so
  - platform: template
    name: "Lambda Water Heater"
    id: lambda_water_heater
    supported_modes:
      - "OFF"
      - ECO
    mode: |-
      if (!id(lambda_mode_known)) {
        return {};
      }
      return water_heater::WATER_HEATER_MODE_OFF;

button:
  - platform: template
    name: "Publish States"
    id: publish_states_button
    on_press:
      - switch.turn_on: test_switch
      - climate.template.publish:
          id: test_climate
          mode: HEAT
      - water_heater.template.publish:
          id: test_water_heater
          mode: ECO
      - globals.set:
          id: lambda_mode_known
          value: "true"