#!/bin/bash
# Generates a proper macOS .icns from the master icon PNG using Apple's iconutil.
# macOS applies squircle mask + shadow natively from .icns — no manual masking needed.
set -e

SRC="build/icon.png"
ICONSET="build/icon.iconset"

mkdir -p "$ICONSET"
sips -z 16 16     "$SRC" --out "$ICONSET/icon_16x16.png"      >/dev/null
sips -z 32 32     "$SRC" --out "$ICONSET/icon_16x16@2x.png"   >/dev/null
sips -z 32 32     "$SRC" --out "$ICONSET/icon_32x32.png"      >/dev/null
sips -z 64 64     "$SRC" --out "$ICONSET/icon_32x32@2x.png"   >/dev/null
sips -z 128 128   "$SRC" --out "$ICONSET/icon_128x128.png"    >/dev/null
sips -z 256 256   "$SRC" --out "$ICONSET/icon_128x128@2x.png" >/dev/null
sips -z 256 256   "$SRC" --out "$ICONSET/icon_256x256.png"    >/dev/null
sips -z 512 512   "$SRC" --out "$ICONSET/icon_256x256@2x.png" >/dev/null
sips -z 512 512   "$SRC" --out "$ICONSET/icon_512x512.png"    >/dev/null
sips -z 1024 1024 "$SRC" --out "$ICONSET/icon_512x512@2x.png" >/dev/null

iconutil -c icns "$ICONSET" -o build/icon.icns
rm -rf "$ICONSET"