blueprint:
  name: 💧 DWC Plant Tracker (Planted + HA Notification)
  description: >
    Track a plant's age and days since last watering.
    Creates a Home Assistant persistent notification when it's been 7+ days
    since the last watering.
  domain: automation
  input:
    plant_name:
      name: Plant Name
      description: e.g., "Hungarian Hot Wax 1".
      default: "My Plant"

    planted_date_helper:
      name: Planted Date Helper
      description: Select the DATE helper (no time) for when this plant was planted.
      selector:
        entity:
          domain: input_datetime

    last_watered_helper:
      name: Last Watered Helper
      description: Select the DATE/TIME helper for the last watering.
      selector:
        entity:
          domain: input_datetime

# Check daily at midnight
trigger:
  - platform: time
    at: "00:00:00"

variables:
  plant_name: !input plant_name
  planted_date_entity: !input planted_date_helper
  last_watered_entity: !input last_watered_helper

# Only notify when 7+ days since last watering
condition:
  - condition: template
    value_template: >
      {% set watered = states(last_watered_entity) %}
      {% if watered not in ['unknown','unavailable', None] %}
        {{ ((as_timestamp(now()) - as_timestamp(watered)) / 86400) | int >= 7 }}
      {% else %} false {% endif %}

action:
  - variables:
      days_since_water: >
        {% set watered = states(last_watered_entity) %}
        {% if watered not in ['unknown','unavailable',None] %}
          {{ ((as_timestamp(now()) - as_timestamp(watered)) / 86400) | int }}
        {% else %} 0 {% endif %}
      age_days: >
        {% set planted = states(planted_date_entity) %}
        {% if planted not in ['unknown','unavailable',None] %}
          {{ ((as_timestamp(now()) - as_timestamp(planted)) / 86400) | int }}
        {% else %} 0 {% endif %}

  - service: persistent_notification.create
    data:
      title: "💧 DWC Water Change Reminder"
      message: >
        {{ plant_name }} was planted {{ age_days }} days ago and
        it's been {{ days_since_water }} days since it was last watered.
        Time to refresh its water.

mode: single