monitor

#!/bin/bash
# setup wanted display and network adapter
display=1
network=wlp9s0

###
# Step 1
###
step1(){
  # resolution - this one may fail, so you may have to get this information from internet
  # ./droid resolution
  resolution=$(./droid resolution)

  # replace resolution ´x´ by ´ ´ (space)
  resolution=${resolution/x/ }

  # orientation
  # ./droid orientation
  orientation=$(./droid orientation)

  # inches - this one may fail too, cause we need resolution and density to calculate an aproximate screen inches
  # ./droid inches
  inches=$(./droid inches)
}

###
# Step 2
###
step2() {
  # ./display calcRes $resolution $inches
  virtual=$(./display calcRes $resolution $inches | grep virtual | grep -Po "(\d+x\d+)")
}


###
# Step 3
###
step3() {
  virtual=(${virtual/x/ })
  width=${virtual[0]}
  height=${virtual[1]}
  virtual_display=VIRTUAL$display
  if [ "$orientation" == "0" ] || [ "$orientation" == "2" ]; then
    # portrait
    ./display setRes $virtual_display $width $height
  else 
    # landscape
    ./display setRes $virtual_display $height $width
  fi
}


###
# Step 4
###
step4() {
  ./vnc start $display
}


###
# Step 5
###
step5() {
  address=$(ip addr show | grep -A 2 $network | grep -Po "\d+\.\d+\.\d+\.\d+")
  ./droid start "\"vnc://$address:5900\""
}


###
# Step 6
###
step6() {
  ./display clean $display
}

if [ ! -z "$1" ]; then
  step$1
else
  step1
  step2
  step3
  step5 &
  step4
  step6
fi