Shell script to restart wifi on loss

#!/bin/bash

Version='0.2.10'
# Put your wifi interface here
interface='wlp3s0'
# Put the ip to ping here (google by default)
# Use IPS because some parameters of the shell only work with ip's
# If not the shell will run slow (-w maxping on ping)
host='google.com'
maxping=2

# Reset
NC='\033[0m'       # Text Reset

# Regular Colors
Red='\033[0;31m'          # Red

# Bold
BRed='\033[1;31m'         # Red
BGreen='\033[1;32m'       # Green
BYellow='\033[1;33m'      # Yellow
BCyan='\033[1;36m'        # Cyan

echo -e "${BGreen}____________________________________________________________${NC}"
echo -e "Version ${BGreen}${Version}${NC}"
echo -e "Made with love by"
echo -e "${BCyan}
 ▄▄▄·▪         ▐ ▄       ▄▄
▐█ ▄███ ▪     •█▌▐█▪     ██▌
 ██▀·▐█· ▄█▀▄ ▐█▐▐▌ ▄█▀▄ ▐█·
▐█▪·•▐█▌▐█▌.▐▌██▐█▌▐█▌.▐▌.▀
.▀   ▀▀▀ ▀█▄▀▪▀▀ █▪ ▀█▄▀▪ ▀
${NC}"
echo -e "Please run with ${BRed}sudo${NC} and make it executable with ${BRed}chmod +x${NC}"
echo -e "Do ${BRed}iwconfig${NC} and modify the script with your wifi interface"
echo -e "${BGreen}____________________________________________________________${NC}"

while true;
  do
    echo -e "${BCyan}CHECKING ${NC}network availability"
    echo -e "${Red}------------------------------------------------${NC}"
    sleep 5
    ping -q -W ${maxping} -c1 ${host} > /ping.$
    if [ $? -eq 0 ]
    then
      echo -e "The connection is ${BGreen}OK${NC}"
      echo -e "${Red}------------------------------------------------${NC}"
    else
      ping -q -W ${maxping} -c1 ${host} > /ping.$
      if [ $? -eq 0 ]
      then
        echo -e "Packet lost but now is ${BYellow}'OK'${NC}"
        echo -e "${Red}------------------------------------------------${NC}"
      else
        echo -e "Connection ${BRed}LOST${NC}"
        echo -e "${Red}------------------------------------------------${NC}"

        echo -e "${BCyan}Restarting ${NC}wifi"
        echo -e "${Red}------------------------------------------------${NC}"

        echo -e "${BCyan}Wifi ${BRed}off${NC}"
        nmcli n off
        # nmcli radio wifi off
        sudo iwconfig ${interface} txpower off
        sleep 1
        echo -e "${BCyan}Wifi ${BGreen}on${NC}"
        sudo iwconfig ${interface} txpower on
        sleep 3
        # nmcli n is deprecated, now we use nmcli radio wifi on, same for nmcli n off
        nmcli n on
        # nmcli radio wifi on
        sleep 10

        ping -q -W ${maxping} -c1 ${host} > /ping.$
        if [ $? -eq 0 ]
        then
          echo -e "${BGreen}SUCCESS!${NC}"
        else
          echo -e "${BRed}Attempting last resource...${NC}"
          echo -e "${BGreen}___________________________________________${NC}"
          echo -e "${BCyan}RESTARTING ${NC}network manager service from systemctl"
          sudo /bin/systemctl restart network-manager.service
          sleep 4
        fi
      fi
    fi
  done