#!/bin/bash

if [ "$1" = "status" ]; then
    state=$(amixer sget Capture | grep "\[on\]")
    if [ -n "$state" ]; then
        echo "no"
    else
        echo "yes"
    fi
elif [ "$1" = "toggle" ]; then
    state=$(amixer sget Capture | grep "\[on\]")
    if [ -n "$state" ]; then
        amixer sset Capture nocap
        echo "no"
    else
        amixer sset Capture cap
        echo "yes"
    fi
elif [ "$1" = "set" ] && [ "$2" -gt 0 ] && [ "$2" -le 100 ]; then
    volume="$2%"
    amixer sset Capture "${volume}"
    echo "Volume set to ${volume}"
elif [ "$1" = "get" ]; then
    (( mic_vol = $(amixer sget Capture | grep -oE '[0-9]+%' | tr -d '%') * 100 / 100 ))
    echo $mic_vol
elif [ "$1" = "percent" ] && [ "$2" -gt 0 ] && [ "$2" -le 100 ]; then
    amixer sset Capture "${2}%"
    echo "Volume set to ${2}%"
else
    echo "Usage: $0 [status|toggle|set|get|percent]"
fi