#!/usr/bin/env bash
set -euo pipefail

project_root="$(cd "$(dirname "$0")/.." && pwd)"
source_icon="$project_root/resources/icon.png"
iconset="$project_root/build/icon.iconset"
output="$project_root/build/icon.icns"

mkdir -p "$iconset"
for size in 16 32 128 256 512; do
  sips -z "$size" "$size" "$source_icon" --out "$iconset/icon_${size}x${size}.png" >/dev/null
  retina=$((size * 2))
  sips -z "$retina" "$retina" "$source_icon" --out "$iconset/icon_${size}x${size}@2x.png" >/dev/null
done
iconutil -c icns "$iconset" -o "$output"
echo "Created $output"