#!/usr/bin/env sh

set -eu

working_dir="$(dirname "$0")"

if [ ! -d "$working_dir/venv" ]; then
    echo "preparing python virtualenv"
    python3 -m venv --system-site-packages "$working_dir/venv" >/dev/null
    echo "installing python pip requirements"
    python3 -m pip install -U -r "$working_dir/requirements.txt" >/dev/null
fi

supported="KVN, HUE, AVA"

do_notify() { notify-send "$1 says:" "\"$2\"" ; }

if [ $# -eq 0 ]; then
    echo "Requires an argument (must be one of $supported)" >&2
    exit 1
fi

LINE="$(shuf -n 1 "$working_dir"/quotes.txt)"
case $1 in
    [Aa][Vv][Aa])
         # shellcheck disable=SC1091
        . "$working_dir/venv/bin/activate"
        gtts-cli -l 'en' -o '/tmp/ava.mp3' "$LINE"
        do_notify "A.V.A" "$LINE" &
        mpg321 --stereo >/dev/null 2>&1 '/tmp/ava.mp3'
        ;;
    [Hh][Uu][Ee])
        do_notify "H.U.E." "$LINE" &
        espeak-ng -a 200 -p 55 -s 126 -v "en-us" "$LINE"
        ;;
    [Kk][Vv][Nn])
        do_notify "KVN" "$LINE" &
        espeak-ng -a 200 -p 110 -s 160 -v "en-us" "$LINE"
        ;;
    *)
        echo "Invalid choice (must be one of $supported)" >&2
        exit 1
        ;;
esac