# Home Assistant automations — SUPERVISORY layer only (HA 2024.10+ syntax).
# Hard protection lives in the hardwired coil chain and on the ESPHome node.
# Entity IDs are examples. number.mining_fleet_power_target is whatever your
# miner/EMS integration exposes for the fleet power limit (W).

- alias: "Mining – power target follows SOC (0 W ≤65 %, ramps to full at 80 %)"
  mode: restart
  triggers:
    - trigger: state
      entity_id: sensor.bess_state_of_charge
  actions:
    - action: number.set_value
      target:
        entity_id: number.mining_fleet_power_target
      data:
        value: >
          {% set soc = states('sensor.bess_state_of_charge') | float(0) %}
          {{ (11000 * ([0, (soc - 65) / 15, 1] | sort)[1]) | round(0) }}

- alias: "Mining – hard shed below 40 % SOC (backs up the hardwired contact)"
  triggers:
    - trigger: numeric_state
      entity_id: sensor.bess_state_of_charge
      below: 40
  actions:
    - action: switch.turn_off
      target:
        entity_id: switch.thermal_node_01_mining_bus_enable
    - action: notify.engineering_alert
      data:
        message: "Mining bus shed: BESS SOC {{ states('sensor.bess_state_of_charge') }} %"

- alias: "Mining – re-enable at ≥75 % SOC with solar surplus"
  triggers:
    - trigger: numeric_state
      entity_id: sensor.bess_state_of_charge
      above: 75
      for: "00:10:00"
  conditions:
    - condition: state
      entity_id: binary_sensor.thermal_node_01_mining_interlock_fault
      state: "off"
    - condition: numeric_state
      entity_id: sensor.pv_surplus_kw
      above: 2
  actions:
    - action: switch.turn_on
      target:
        entity_id: switch.thermal_node_01_mining_bus_enable

- alias: "GPU batch (T2) – graceful park below 50 % SOC"
  triggers:
    - trigger: numeric_state
      entity_id: sensor.bess_state_of_charge
      below: 50
  actions:
    - action: script.gpu_checkpoint_and_shutdown   # IPMI/Redfish soft-off after job checkpoint
    - action: notify.engineering_alert
      data:
        message: "T2 GPU node parked at SOC {{ states('sensor.bess_state_of_charge') }} %"

- alias: "Heat routing – send heat to the load when there is demand"
  triggers:
    - trigger: numeric_state
      entity_id: sensor.secondary_loop_return_temp   # °C
      below: 40.5                                    # 105 °F → load is drawing heat
      for: "00:02:00"
  conditions:
    - condition: state
      entity_id: binary_sensor.thermal_node_01_loop_supply_high_temp_warning
      state: "off"
  actions:
    - action: number.set_value
      target:
        entity_id: number.thermal_node_01_diverter_valve_to_dry_cooler
      data:
        value: 0

- alias: "Leak detected – isolate RDHx and alert"
  triggers:
    - trigger: state
      entity_id: binary_sensor.rack_leak_rope
      to: "on"
  actions:
    - action: valve.close_valve
      target:
        entity_id: valve.rdhx_isolation
    - action: notify.engineering_alert
      data:
        message: "LEAK at IT rack — RDHx isolated"