#!/bin/bash
set -oux pipefail

HEMI="${1:-north}"
if [[ "$HEMI" != "north" && "$HEMI" != "south" ]]; then
    echo "Error: Invalid hemisphere '$HEMI'. Must be 'north' or 'south'."
    exit 1
fi

mkdir -p ~/.local/share/wallpapers/Bluefin
cd ~/.local/share/wallpapers/Bluefin

curl -Lo ${HEMI}.md5 https://github.com/grandpares/plasma-bluefin-wallpaper/releases/latest/download/${HEMI}.md5
md5sum --status -c ${HEMI}.md5 || curl -Lo ${HEMI}.avif https://github.com/grandpares/plasma-bluefin-wallpaper/releases/latest/download/${HEMI}.avif