#!/bin/bash
# Author: Simon-Pierre Boucher — contact@spboucher.ai
# Renders the Forge Studio app icon (anvil-flame motif: forge gradient +
# SF Symbol flame) at 1024px with AppKit, then builds AppIcon.icns.
set -euo pipefail
cd "$(dirname "$0")/.."
mkdir -p Assets

cat > /tmp/forge-studio-icon.swift <<'SWIFT'
// Author: Simon-Pierre Boucher — contact@spboucher.ai
import AppKit

let size = CGFloat(1024)
let image = NSImage(size: NSSize(width: size, height: size))
image.lockFocus()

// macOS-style rounded rect with a forge-heat gradient.
let inset = size * 0.08
let rect = NSRect(x: inset, y: inset, width: size - 2 * inset, height: size - 2 * inset)
let path = NSBezierPath(roundedRect: rect, xRadius: size * 0.18, yRadius: size * 0.18)
NSGradient(colors: [
    NSColor(calibratedRed: 0.10, green: 0.10, blue: 0.14, alpha: 1),
    NSColor(calibratedRed: 0.22, green: 0.12, blue: 0.08, alpha: 1),
])!.draw(in: path, angle: -90)

// Flame glyph, forge-orange with a warm glow.
let config = NSImage.SymbolConfiguration(pointSize: size * 0.52, weight: .semibold)
if let flame = NSImage(systemSymbolName: "flame.fill",
                       accessibilityDescription: nil)?
    .withSymbolConfiguration(config) {
    let tinted = NSImage(size: flame.size)
    tinted.lockFocus()
    NSColor(calibratedRed: 1.0, green: 0.55, blue: 0.15, alpha: 1).set()
    let r = NSRect(origin: .zero, size: flame.size)
    flame.draw(in: r)
    r.fill(using: .sourceAtop)
    tinted.unlockFocus()
    let fr = NSRect(x: (size - flame.size.width) / 2,
                    y: (size - flame.size.height) / 2 + size * 0.02,
                    width: flame.size.width, height: flame.size.height)
    NSGraphicsContext.current?.cgContext.setShadow(
        offset: .zero, blur: size * 0.06,
        color: NSColor.orange.withAlphaComponent(0.8).cgColor)
    tinted.draw(in: fr)
}

image.unlockFocus()
let tiff = image.tiffRepresentation!
let png = NSBitmapImageRep(data: tiff)!.representation(using: .png, properties: [:])!
try! png.write(to: URL(fileURLWithPath: "Assets/icon-1024.png"))
print("Assets/icon-1024.png")
SWIFT
swift /tmp/forge-studio-icon.swift

ICONSET="Assets/AppIcon.iconset"
rm -rf "$ICONSET" && mkdir -p "$ICONSET"
for s in 16 32 128 256 512; do
    sips -z $s $s Assets/icon-1024.png --out "$ICONSET/icon_${s}x${s}.png" >/dev/null
    d=$((s * 2))
    sips -z $d $d Assets/icon-1024.png --out "$ICONSET/icon_${s}x${s}@2x.png" >/dev/null
done
iconutil -c icns "$ICONSET" -o Assets/AppIcon.icns
echo "OK: Assets/AppIcon.icns"