#!/usr/bin/env bash

# Fetch the active connection name and type
# -t: Terse output
# -f: Specific fields
ACTIVE_CONN=$(nmcli -t -f NAME,TYPE connection show --active | grep -E '802-3-ethernet|802-11-wireless' | head -n 1)

# If no connection is found, output disconnected icon
if [ -z "$ACTIVE_CONN" ]; then
  echo "{\"text\": \"󰤭 \", \"class\": \"disconnected\"}"
  exit 0
fi

# Extract the name and type using parameter expansion (faster than cut)
CONN_NAME="${ACTIVE_CONN%%:*}"
CONN_TYPE="${ACTIVE_CONN##*:}"

# Output JSON for Waybar custom module
if [[ "$CONN_TYPE" == *"802-11-wireless"* ]]; then
  # It's Wi-Fi
  SIGNAL=$(nmcli -t -f IN-USE,SIGNAL dev wifi | grep '^\*' | cut -d':' -f2)
  if [ -z "$SIGNAL" ]; then
    ICON="󰤟"
  elif [ "$SIGNAL" -ge 80 ]; then
    ICON="󰤨"
  elif [ "$SIGNAL" -ge 60 ]; then
    ICON="󰤥"
  elif [ "$SIGNAL" -ge 40 ]; then
    ICON="󰤢"
  elif [ "$SIGNAL" -ge 20 ]; then
    ICON="󰤟"
  else
    ICON="󰤯"
  fi
  echo "{\"text\": \"$CONN_NAME $ICON \", \"class\": \"wifi\"}"
else
  # It's Ethernet
  echo "{\"text\": \"$CONN_NAME 󰈀 \", \"class\": \"ethernet\"}"
fi