#!/bin/bash
#
#  generate-icon.sh
#  Zyquo Router
#
#  Author: Simon-Pierre Boucher
#  Mail: contact@spboucher.ai
#
#  SVG → AppIcon.icns + menu bar template PNGs. The SVGs in assets/icon are
#  the source of truth; 16/32 px slices come from the simplified variant
#  (the routing fan reads as noise below 64 px).
#
set -euo pipefail

cd "$(dirname "$0")/.."

SVG=assets/icon/zyquo-router.svg
SVG_SMALL=assets/icon/zyquo-router-small.svg
SVG_TEMPLATE=assets/icon/zyquo-router-template.svg
ICONSET=.build/AppIcon.iconset

command -v rsvg-convert >/dev/null || { echo "rsvg-convert not found (brew install librsvg)"; exit 1; }

rm -rf "$ICONSET"
mkdir -p "$ICONSET" Resources

render() { rsvg-convert -w "$2" -h "$2" "$1" -o "$ICONSET/$3"; }

# Small sizes from the simplified variant.
render "$SVG_SMALL"  16 icon_16x16.png
render "$SVG_SMALL"  32 icon_16x16@2x.png
render "$SVG_SMALL"  32 icon_32x32.png
render "$SVG"        64 icon_32x32@2x.png
# Full art from 128 up.
render "$SVG"       128 icon_128x128.png
render "$SVG"       256 icon_128x128@2x.png
render "$SVG"       256 icon_256x256.png
render "$SVG"       512 icon_256x256@2x.png
render "$SVG"       512 icon_512x512.png
render "$SVG"      1024 icon_512x512@2x.png

iconutil -c icns "$ICONSET" -o Resources/AppIcon.icns
echo "Resources/AppIcon.icns written"

# Menu bar template glyph (18 pt @1x/@2x).
rsvg-convert -w 18 -h 18 "$SVG_TEMPLATE" -o Resources/MenuBarIcon.png
rsvg-convert -w 36 -h 36 "$SVG_TEMPLATE" -o Resources/MenuBarIcon@2x.png
echo "Resources/MenuBarIcon(@2x).png written"