time.yaml

substitutions:
  short_name: ESP Time
  comment: Display uptime in sec and in d:h:m:s

# Define time & sync
time:
  - platform: sntp
    id: time_sntp

  - platform: homeassistant
    id: current_time
    on_time_sync:
      - component.update: uptime_timestamp

# Sensors
sensor:
  # Reports the uptime
  - platform: uptime
    name: "$short_name Uptime Sensor"
    id: uptime_seconds

# Text Sensors
text_sensor:
  #  Creates a sensor of the uptime of the device, in formatted days, hours, minutes and seconds
  - platform: template
    id: uptime_timestamp
    name: "$short_name Uptime"
    entity_category: diagnostic
    update_interval: 60s
    lambda: |-
      int seconds = (id(uptime_seconds).state);
      int days = seconds / (24 * 3600);
      seconds = seconds % (24 * 3600);
      int hours = seconds / 3600;
      seconds = seconds % 3600;
      int minutes = seconds /  60;
      seconds = seconds % 60;
      if ( days > 3650 ) {
        return { "Starting up" };
      } else if ( days ) {
        return { (String(days) +"d " + String(hours) +"h " + String(minutes) +"m "+ String(seconds) +"s").c_str() };
      } else if ( hours ) {
        return { (String(hours) +"h " + String(minutes) +"m "+ String(seconds) +"s").c_str() };
      } else if ( minutes ) {
        return { (String(minutes) +"m "+ String(seconds) +"s").c_str() };
      } else {
        return { (String(seconds) +"s").c_str() };
      }
    icon: mdi:clock-start