#!/bin/bash

get_wifi_strength() {
    # Retrieves the wifi signal strength in dBm
    strength=$(nmcli -t -f active,ssid,signal dev wifi | grep yes | cut -d ":" -f3)
    # Converts dBm to percentage (0% to 100%)
    if [ "$strength" -le 30 ]; then
        echo "1"
    elif [ "$strength" -le 60 ]; then
        echo "2"
    elif [ "$strength" -le 90 ]; then
        echo "3"
    else
        echo "4"
    fi
}

constate=$(nmcli dev | grep wifi | sed 's/ \{2,\}/|/g' | cut -d '|' -f3 | head -1)
currentwfi=$(nmcli dev | grep wifi | sed 's/ \{2,\}/|/g' | cut -d '|' -f4 | head -1)

if [ "$constate" = "disconnected" ]; then
    echo " 󰤮 "
elif [ "$constate" = "connected" ]; then
    strength=$(get_wifi_strength)
    case "$strength" in
        "1") icon=" 󰤟 " ;;
        "2") icon=" 󰤢 " ;;
        "3") icon=" 󰤥 " ;;
        "4") icon=" 󰤨 " ;;
    esac
    echo "$icon$currentwfi"
else
    echo " 󰤮 "
fi