#!/bin/bash
# ABOUTME: Waybar-Modul für Logitech HID++ Geräte-Batterien.
# ABOUTME: Findet den richtigen hidpp_battery_* Eintrag dynamisch per MODEL_NAME.

MODEL="G515 LS TKL"
ICON="󰌌"

# hidpp_battery_* mit passendem MODEL_NAME finden
for dev in /sys/class/power_supply/hidpp_battery_*; do
    [[ -d "$dev" ]] || continue
    name=$(cat "$dev/model_name" 2>/dev/null)
    if [[ "$name" == "$MODEL" ]]; then
        capacity=$(cat "$dev/capacity" 2>/dev/null || echo 0)
        status=$(cat "$dev/status" 2>/dev/null || echo "Unknown")

        # Eingabe-Validierung gegen JSON-Injection
        [[ "$capacity" =~ ^[0-9]+$ ]] || capacity=0
        [[ "$status" =~ ^[A-Za-z\ ]+$ ]] || status="Unknown"

        class="normal"
        if [[ "$status" == "Charging" ]]; then
            class="charging"
        elif (( capacity <= 15 )); then
            class="critical"
        elif (( capacity <= 30 )); then
            class="warning"
        fi

        echo "{\"text\":\"${capacity}% ${ICON}\",\"tooltip\":\"${MODEL}: ${capacity}% — ${status}\",\"class\":\"${class}\",\"percentage\":${capacity}}"
        exit 0
    fi
done

# Gerät nicht gefunden — nichts ausgeben, Waybar versteckt das Modul
exit 0