[gcode_macro PRINT_START]
gcode:
  {% set target_bed = params.BED|int %}
  {% set target_extruder = params.EXTRUDER|int %}
  {% set target_chamber = params.CHAMBER|default("45")|int %}
  {% set x_wait = printer.toolhead.axis_maximum.x|float / 2 %}
  {% set y_wait = printer.toolhead.axis_maximum.y|float / 2 %}

  RESPOND PREFIX="PRINT_START: " MSG="Preparing printer..."

  # Check if the bed temp is higher than 90c - if so then trigger a heatsoak.
  {% if target_bed > 90 %}
    RESPOND PREFIX="PRINT_START: " MSG="Heating bed to: {target_bed}c"
    LEDS_STATUS_HEATING                                    

    # Turn on the bed fans here.... once they exist.
    # #SET_PIN PIN=nevermore VALUE=1                      # Turn on the nevermore

    G1 X{x_wait} Y{y_wait} Z15 F9000                    # Go to center of the bed
    M190 S{target_bed}                                  # Set the target temp for the bed
    RESPOND PREFIX="PRINT_START: " MSG="Heat soking until chamber temperature reaches: {target_chamber}"
    # uncoment below once real
    # TEMPERATURE_WAIT SENSOR="temperature_sensor chamber" MINIMUM={target_chamber}   # Waits for chamber temp

  {% else %}
    RESPOND PREFIX="PRINT_START: " MSG="Heating bed to: {target_bed}c"
    LEDS_STATUS_HEATING                                   # Set LEDs to heating-mode
    G1 X{x_wait} Y{y_wait} Z15 F9000                      # Go to center of the bed
    M190 S{target_bed}                                    # Set the target temp for the bed
    RESPOND PREFIX="PRINT_START: " MSG="Waiting for bed to fully soak to temperature [5 mins]"
    G4 P300000                                          # Wait 5 min for the bedtemp to stabilize
  {% endif %}

  #
  # All the calibration bits: Homing & QGL & Meshing
  #
  RESPOND PREFIX="PRINT_START: " MSG="Heating hotend (for calibration) to: 140c"
  LEDS_STATUS_HEATING                                    # Set LEDs to heating-mode
  M109 S140                                             # Heat hotend to 140c

  # Home the printer, set absolute positioning and update the Stealthburner LEDs.
  BED_MESH_CLEAR                                       # Clear old saved bed mesh (if any)
  RESPOND PREFIX="PRINT_START: " MSG="Homing all axes"
  LEDS_STATUS_HOMING                                     # Set LEDs to homing-mode
  G28                                                   # Full home (XYZ)
  G90                                                   # Absolute position

  RESPOND PREFIX="PRINT_START: " MSG="Performing QGL"
  LEDS_STATUS_LEVELING                                   # Set LEDs to leveling-mode
  QUAD_GANTRY_LEVEL                                     # Level the printer via QGL
  G28 Z                                                 # Home Z again after QGL

  RESPOND PREFIX="PRINT_START: " MSG="Creating bed mesh"   # Display info on display
  LEDS_STATUS_MESHING                                       # Set LEDs to bed mesh-mode
  BED_MESH_CALIBRATE                                       # Start the bed mesh (add ADAPTIVE=1) for adaptive bed mesh

  RESPOND PREFIX="PRINT_START: " MSG="Smart parking the nozzle"
  SMART_PARK                                            # Go to center of the bed

  # Heat to target temp
  RESPOND PREFIX="PRINT_START: " MSG="Heating hotend (for first layer) to: {target_extruder}c"
  LEDS_STATUS_HEATING                                    # Set LEDs to heating-mode
  M107                                                  # Turn off partcooling fan
  M109 S{target_extruder}                               # Heat the hotend to set temp
  
  RESPOND PREFIX="PRINT_START: " MSG="Purging nozzle"
  LEDS_STATUS_PRINTING
  VORON_PURGE

  RESPOND PREFIX="PRINT_START: " MSG="Starting the print..."
  LEDS_STATUS_PRINTING