dotfiles/scripts/volume

#!/bin/bash

VOLUME_STEP=2

# Function to check if the audio is currently muted
is_muted() {
    amixer sget Master | grep -q "\[off\]"
}

# Function to toggle mute status
toggle_mute() {
    amixer sset Master toggle
}

# Function to increase volume
increase_volume() {
    amixer sset Master "${VOLUME_STEP}%+"
}

# Function to decrease volume
decrease_volume() {
    amixer sset Master "${VOLUME_STEP}%-"
}

# Main function
main() {
    case "$1" in
        "up")
            if is_muted; then
                toggle_mute
            fi
            increase_volume
            ;;
        "down")
            if is_muted; then
                toggle_mute
            fi
            decrease_volume
            ;;
        "toggle-mute")
            toggle_mute
            ;;
        *)
            echo "Usage: $0 {up|down|toggle-mute}"
            exit 1
            ;;
    esac

    # Display the current volume
    amixer get Master | grep -oE "[0-9]+%"
}

# Check if an argument is provided
if [ $# -eq 1 ]; then
    main "$1"
else
    echo "Usage: $0 {up|down|toggle-mute}"
    exit 1
fi