#!/usr/bin/env zsh

# THIS IS A LEGACY TOOL THAT WAS USED FOR THE INITIAL
# ASSET EXTRACTION - ASSETS HAVE SINCE BEEN HEAVILY
# MODIFIED, MAKING THIS SCRIPT PRETTY USELESS

if [[ $# -lt 2 ]]; then
    echo "Usage: $0 <dir> <half (top/bottom)>"
    exit 1
fi

if [[ $2 == "top" ]]; then
    gravity="South"
elif [[ $2 == "bottom" ]]; then
    gravity="North"
else
    echo "Usage: $0 <dir> <half (top/bottom)>"
    exit 1
fi

for file in $1/*; do
    magick "$file" -gravity $gravity -chop 0x10 "$file"
    magick "$file" -transparent Black PNG24:"$file"
    magick "$file" -fill "rgb(0,255,0)" -opaque White "$file"
    magick "$file" -gravity Center -background None -compose Copy -extent 260x $file
    # Bar is commented out for an experiment with rendering in real time on the watch
    #magick "$file" -gravity $gravity -background White -splice 0x15 $file
    if [[ $2 == "top" ]]; then
        magick "$file" -gravity North -background None -splice 0x41 $file
    else
        magick "$file" -gravity South -background None -splice 0x41 $file
    fi
done