blueprint:
  name: 💧 DWC Plant Tracker (with Reset Button)
  description: >
    Tracks plant age and watering schedule. 
    Notifies if watering is overdue (7+ days) 
    and supports a manual reset button to log watering.
  domain: automation
  input:
    plant_name:
      name: Plant Name
      description: The friendly name of your plant (e.g. "Hungarian Hot Wax 1").
      default: "My Plant"

    planted_date_helper:
      name: Planted Date Helper
      description: Select the Date helper 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 plant’s last watering.
      selector:
        entity:
          domain: input_datetime

    notification_target:
      name: Notification Target
      description: Choose how to receive water-change reminders.
      selector:
        target:

# Trigger 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

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: notify
    target: !input notification_target
    data:
      title: "💧 DWC Water Change Reminder"
      message: >
        {{ plant_name }} was planted {{ age_days }} days ago
        and it’s been {{ days_since_water }} days since last watering.
        Time to refresh its water!

mode: single