#!/usr/bin/env bash

# ----------------------
# sf -- script framework
# ----------------------

# Declare sf variables
sfdesc="A simple counter."

sfargs+=("N;Number to count")
sfargs+=("reverse;r;Count reverse")
sfargs+=("text;t;TEXT;done;Print TEXT when finished counting")

sfexamples+=("count 8;Count to eight")
sfexamples+=("count -r -t go 3;Count reverse from 3 and print 'go'")

sfextra="No copyright at all."

# Include sf, this could be replaced with a long oneliner
source "$(dirname $0)/../sf"

# ----------------------
# Actual script
# ----------------------

if [ "$N" -gt 10 ]; then                    # Use parsed positional argument
    sferr "I can only count to/from 10"     # Throw an error and exit
fi

counter="$N"                                # Use parsed positional argument
echo -n "$sftbf"                            # Print everyting from here bold
while [ "$counter" -gt 0 ]; do
    if [ "$reverse" == true ]; then         # Use parsed flag
        echo "  $counter"
    else
        echo "  $(expr $N - $counter + 1)"  # Use parsed positional argument
    fi
    counter=$(expr $counter - 1)
    sleep 1
done
echo -n "$sftrs"                            # Reset text formatting
echo "  $text"                              # Use parsed argument