#! /bin/zsh
#
# this file:
#   https://dataswamp.org/~incal/conf/.zsh/stretch
#
# new version:
#   https://dataswamp.org/~incal/conf/.zsh/audio-timer

random-video () {
    local vid_dir=${1:-.}
    local ext=${2:-mkv}

    local vids=("${(@f)$(ls ${vid_dir}/*.${ext})}")
    local num_vids=${#vids}

    local vid_num=$(( RANDOM % $num_vids + 1 ))
    local vid=$vids[$vid_num]

    echo $vid
}
alias rv=random-video

play-stretch-sound () {
    local sound=~/bo/up.mp3

    if [[ -f $sound ]]; then
        omx-play-whatever $OMX_SND_MOD $sound
    else
        echo "Error: Can't find sound file: $sound" >&2
    fi
}

STRETCH_TIME=65

stretch-get-human-time-string () {
    local stretches=$1
    local total_time=$(( $stretches * $STRETCH_TIME ))
    local human_time="$(s2hms ${total_time})"
    echo $human_time
}
alias hst=stretch-get-human-time-string
alias sth=stretch-get-human-time-string

stretch () {
    local init_time=10
    local stretches=73

    echo "Max time: $(stretch-get-human-time-string $stretches)"

    local current=0
    sleep $init_time
    echo -n "current:"
    repeat $stretches {
            current=$(( $current + 1 ))
            echo -n " $current"

            play-stretch-sound
            sleep $STRETCH_TIME
    }
    repeat 2 play-stretch-sound
}
alias st=stretch