#!/bin/sh -

# written by Bruno F. Fontes, 2022-10-18

HELP="
Start all your environments

CMD parameters available:

-m,    --menu,   show a menu to choose your scripts [default]
-a,    --add,    add a new starta script
-r,    --remove, remove the script 
-h,    --help,   shows this help
"

FOLDER="$HOME/.local/etc/starta"

addScript() {
    [ -z $NAME ] && echo "No script name provided. Exiting..." && exit 1
    mkdir -p "$FOLDER"
    SCRIPT="${FOLDER}/${NAME}"
    touch "$SCRIPT"
    chmod +x "$SCRIPT"
    echo "#!/bin/sh" >> "$SCRIPT"
    echo "" >> "$SCRIPT"
    echo "# Add your code here..." >> "$SCRIPT"
    $EDITOR "$SCRIPT"
    echo "Script installed! Type \"starta ${NAME}\" to start it"
    exit 0
}

removeScript() {
    [ -z $NAME ] && echo "No script name provided. Exiting..." && exit 1
    SCRIPT="${FOLDER}/${NAME}"
    if [ -f "$SCRIPT" ]
    then
        echo -n "Are you sure you want to delete the script '${NAME}' (y/N)? "
        read -r -s -n 1
        echo
        if [ "$REPLY" = "y" ] 
        then
            rm -- "$SCRIPT" && echo "Script '$SCRIPT' removed!"
            exit 0
        fi
        echo "Operation aborted..."
        exit 1
    fi
    echo "Script not found"
    exit 1
}

editScript() {
    [ -z $NAME ] && echo "No script name provided. Exiting..." && exit 1
    SCRIPT="${FOLDER}/${NAME}"
    if [ -f "$SCRIPT" ]
    then
        $EDITOR "$SCRIPT"
        exit 0
    fi
    echo "Script not found"
    exit 1
}

listScripts() {
    list=$(command ls "$FOLDER" 2>/dev/null) || error=1
    [[ -z $list ]] && error=1
    if [ $error ] 
    then
        echo "No scripts found! Add one with the '--add' option" 
        exit 1
    fi
    echo "$list" | less
    exit 0
}

# argument handling
if [ -z $1 ] 
then
    MENU=1
else
    case $1 in
        -a|--add)
            NAME="$2"
            addScript
            ;;
        -r|--remove)
            NAME="$2"
            removeScript
            ;;
        -e|--edit)
            NAME="$2"
            editScript
            exit 0
            ;;
        -h|--help)
            echo -e "$HELP"
            exit 0
            ;;
        -m|--menu)
            MENU=1
            ;;
        -l|--list)
            listScripts
            ;;
        *)
            NAME="$1"
            ;;
    esac
fi

if [ $MENU ]
then
    option=$($0 --list | zenity --list --text "Choose the script to start" --column "Scripts" --title "Starta" 2>/dev/null)
    [ -z $option ] && echo "No script selected. Aborting..." && exit 0
    NAME="$option"
fi

SCRIPT="${FOLDER}/${NAME}"
if [ -f "$SCRIPT" ]
then
   "$SCRIPT"
else
    echo "Script not found. Use the '--list' option to see the available scripts"
    exit 1
fi