speech

#!/usr/bin/env bash

## By Davoud Arsalani
##    https://github.com/davoudarsalani/scripts
##    https://github.com/davoudarsalani/scripts/blob/master/speech
##    https://raw.githubusercontent.com/davoudarsalani/scripts/master/speech
##    https://davoudarsalani.ir

source "$HOME"/main/scripts/gb
source "$HOME"/main/scripts/gb-audacious

function update_audacious {
    "$HOME"/main/scripts/awesome-widgets audacious
}

function if_empty {  ## JUMP_1 the same used in "$HOME"/main/scripts/movie
    local count

    read count directory <<< "$directory"  ## 8 pargar

    ## check if count is an int
    [ "$count" -eq "$count" ] || {
        msgc 'ERROR' "<span color=\"${orange}\">${count}</span> is invalid count" "$HOME"/main/linux/themes/alert-w.png
        exit
    }

    (( count > 0 )) || {
        msgn 'nothing here'
        exit
    }
}

function if_no_dir {  ## JUMP_1
    [ -d "$HOME"/main/speech/"$directory" ] || {
        msgc 'ERROR' "no such directory as <span color=\"${orange}\">\$HOME/main/speech/${directory}</span>" "$HOME"/main/linux/themes/alert-w.png
        exit
    }
}

function success_moving {
    local text

    text="$(printf "moved to <span color=\"%s\">LISTENED</span>\n<span color=\"%s\">%s</span>\n" "$blue" "$orange" "$no_suffix")"
    msgn "$text" '' "$HOME"/main/linux/themes/delete-w.png
}

function error_moving {
    msgc 'ERROR' "moving <span color=\"${orange}\">${no_suffix}</span>" "$HOME"/main/linux/themes/alert-w.png
    exit
}

declare -a directories_plus_count

readarray -t directories < <(find "$HOME"/main/speech -mindepth 1 -maxdepth 1 -type d | sort)

## get audio count in each directory and prepend it to the directory name
for tmp_directory in "${directories[@]}"; {
    audios_count="$(wc -l < <(find "$tmp_directory" -mindepth 1 -maxdepth 1 -type f -iname '*.mp3'))"

    ## decide how many spaces to add
    if (( audios_count < 10 )); then
        spaces='         '
    elif (( audios_count < 100 )); then
        spaces='       '
    elif (( audios_count < 1000 )); then
        spaces='     '
    else
        spaces='   '
    fi
    directories_plus_count+=( "${audios_count}${spaces}${tmp_directory##*/}" )
}

case "$1" in
    play )
        directory="$(pipe_to_rofi "${directories_plus_count[@]}" 'header=speech')" || exit 37  ## '8 pargar'

        if_empty  ## NOTE JUMP_2 if_empty must precede if_no_dir (i.e. JUMP_3)
        if_no_dir  ## JUMP_3

        turn_off_shuffle; sleep 0.1
        clear_playlist  ; sleep 0.1

        msgn 'playing' "<span color=\"${orange}\">${directory}</span>" "$HOME"/main/linux/themes/user-w.png

        readarray -t first_five_files < <(find "$HOME"/main/speech/"$directory" -mindepth 1 -maxdepth 1 -iname '*.mp3' | sort | head -n 5)
        audacious -E "${first_five_files[@]}"  # &
        sleep 0.1
        "$HOME"/main/scripts/awesome-widgets audacious resume ;;
    move )
        if [ "$2" == 'auto' ]; then
            ## NOTE the auto option is called directly by audacious when starting a new song

            [ "$album" == 'speech' ] || exit  ## NOTE do NOT combine with the parent condition

            directory="${current_song_dir##*/}"  ## pargar
        else
            directory="$(pipe_to_rofi "${directories_plus_count[@]}" 'header=speech' 'bg=red')" || exit 37
            if_empty  ## NOTE JUMP_2 if_empty must precede if_no_dir (i.e. JUMP_4)
        fi

        if_no_dir  ## JUMP_4

        first_file="$(find "$HOME"/main/speech/"$directory" -mindepth 1 -maxdepth 1 -iname '*.mp3' | sort | head -n 1)"  ## /home/nnnn/main/speech/pargar/709.mp3
        first_kaddy_file="$(get_kaddy_counterpart "$first_file")"  ## /home/nnnn/kaddy/speech/pargar/709.mp3

        base="${first_file##*/}"
        no_suffix="${base%.*}"

        ## exit if first file is the same as the current song
        [ "$current_song" == "$first_file" ] && exit

        listened_dir="$HOME"/main/speech/"$directory"/LISTENED
        listened_kaddy_dir="$(get_kaddy_counterpart "$listened_dir")"

        [ -d "$listened_dir" ] || mkdir "$listened_dir"
        [ -d "$listened_kaddy_dir" ] || mkdir "$listened_kaddy_dir"

        mv "$first_file"       "$listened_dir"       && success_moving || error_moving
        mv "$first_kaddy_file" "$listened_kaddy_dir"                   || error_moving

        ## trigger add_4 only if current playing file is the last file in playlist
        if (( playlist_length == position_in_playlist )); then
            "$HOME"/main/scripts/speech add_4
        else
            update_audacious
        fi ;;
    add_4 )
        if [ ! "$album" ] || [ "$album" == 'speech' ]; then

            ## remove previous files from playlist
            if (( position_in_playlist == 1 )); then
                :
            elif (( position_in_playlist > 1 )); then
                for ((i=1; i<"$position_in_playlist"; i++)); {
                    audtool --playlist-delete 1
                    sleep 0.01
                }
            elif [ ! "$position_in_playlist" ]; then
                clear_playlist
                "$HOME"/main/scripts/speech play &
                exit
            fi

            ## add 4 new files to playlist
            readarray -t first_five_files < <(find "$current_song_dir" -mindepth 1 -maxdepth 1 -iname '*.mp3' | sort | head -n 5)
            current_songs="$(audtool --playlist-display)"

            for file in "${first_five_files[@]}"; {
                base="${file##*/}"
                no_suffix="${base%.*}"
                if ! \grep -qi "$no_suffix" <<< "$current_songs"; then
                    audacious -e "$file"
                    msgn "added <span color=\"${orange}\">${no_suffix}</span>"
                fi
            }
            update_audacious
        fi ;;
esac