#!/bin/zsh
set -euo pipefail
ROOT="$(cd "$(dirname "$0")/.." && pwd)"
cd "$ROOT"
command -v xcodebuild >/dev/null || { echo "Xcode is required" >&2; exit 1; }
command -v hdiutil >/dev/null || { echo "hdiutil missing" >&2; exit 1; }
# Use the certificate fingerprint to avoid ambiguous Keychain identities.
IDENTITY="${SIGNING_IDENTITY:-$(security find-identity -v -p codesigning | awk '/Developer ID Application:/ {print $2; exit}')}"
[[ -n "$IDENTITY" ]] || { echo "Developer ID Application signing identity required. Set SIGNING_IDENTITY." >&2; exit 1; }
PROFILE="${NOTARY_PROFILE:-orion-notary}"
[[ -n "$PROFILE" ]] || { echo "Set NOTARY_PROFILE to an existing notarytool keychain profile." >&2; exit 1; }
DERIVED="$ROOT/.build"
xcodebuild -project "$ROOT/PHPGuard.xcodeproj" -scheme PHPGuard -configuration Release -derivedDataPath "$DERIVED" CODE_SIGNING_ALLOWED=NO build
APP="$DERIVED/Build/Products/Release/PHPGuard.app"
[[ -d "$APP" ]] || { echo "Missing Release app" >&2; exit 1; }

echo "=== VERIFY APPLICATION ICON ==="

ASSET_CATALOG="$APP/Contents/Resources/Assets.car"

if [[ ! -f "$ASSET_CATALOG" ]]; then
  echo "ERROR: Compiled asset catalog missing" >&2
  exit 1
fi

APP_ICON_NAME=$(/usr/libexec/PlistBuddy -c   "Print :CFBundleIconName" "$APP/Contents/Info.plist" 2>/dev/null || true)

APP_ICON_FILE=$(/usr/libexec/PlistBuddy -c   "Print :CFBundleIconFile" "$APP/Contents/Info.plist" 2>/dev/null || true)

if [[ -n "$APP_ICON_NAME" ]]; then
  echo "Application icon asset: $APP_ICON_NAME"
elif [[ -n "$APP_ICON_FILE" ]]; then
  echo "Application icon file: $APP_ICON_FILE"
else
  echo "WARNING: No application icon key in Info.plist."
  echo "Checking Xcode asset catalog configuration..."

  ICON_SETTING=$(xcodebuild     -project "$ROOT/PHPGuard.xcodeproj"     -scheme PHPGuard     -configuration Release     -showBuildSettings 2>/dev/null |
    sed -n 's/^[[:space:]]*ASSETCATALOG_COMPILER_APPICON_NAME = //p' |
    head -1)

  if [[ -z "$ICON_SETTING" ]]; then
    echo "ERROR: No application icon configured in Xcode." >&2
    exit 1
  fi

  echo "Configured icon asset: $ICON_SETTING"
fi

echo "Compiled asset catalog present."
echo "Application icon configuration verified."

VERSION="$(/usr/libexec/PlistBuddy -c 'Print :CFBundleShortVersionString' "$APP/Contents/Info.plist")"
mkdir -p "$ROOT/dist"
STAGING="$(mktemp -d)"
trap 'rm -rf "$STAGING"' EXIT
cp -R "$APP" "$STAGING/PHPGuard.app"
# No --deep signing: sign embedded executables individually if added in future.
codesign --force --options runtime --timestamp --sign "$IDENTITY" "$STAGING/PHPGuard.app"
codesign --verify --strict --verbose=2 "$STAGING/PHPGuard.app"
DMG="$ROOT/dist/PHPGuard-$VERSION.dmg"
rm -f "$DMG"
ln -s /Applications "$STAGING/Applications"
# Include a branded installer graphic in the disk image.
INSTALLER_ICON="$ROOT/PHPGuard/Assets.xcassets/InstallerIcon.imageset/icon.png"
if [[ -f "$INSTALLER_ICON" ]]; then
  mkdir -p "$STAGING/.background"
  cp "$INSTALLER_ICON" "$STAGING/.background/PHPGuard-Installer.png"
fi
# Generate a proper macOS installer icon.
INSTALLER_PNG="$ROOT/PHPGuard/Assets.xcassets/InstallerIcon.imageset/icon.png"
ICONSET="$ROOT/dist/PHPGuardInstaller.iconset"
INSTALLER_ICNS="${TMPDIR:-/tmp}/PHPGuardInstaller-$$.icns"

if [[ -f "$INSTALLER_PNG" ]]; then
  rm -rf "$ICONSET"
  mkdir -p "$ICONSET"

  for size in 16 32 128 256 512; do
    sips -s format png -z "$size" "$size" "$INSTALLER_PNG"       --out "$ICONSET/icon_${size}x${size}.png" >/dev/null

    double=$((size * 2))

    sips -s format png -z "$double" "$double" "$INSTALLER_PNG"       --out "$ICONSET/icon_${size}x${size}@2x.png" >/dev/null
  done

  iconutil -c icns "$ICONSET" -o "$INSTALLER_ICNS"
  rm -rf "$ICONSET"
else
  echo "ERROR: Installer artwork missing" >&2
  exit 1
fi

hdiutil create -volname "PHPGuard $VERSION" -srcfolder "$STAGING" -ov -format UDZO "$DMG"

# Apply custom Finder icon to the DMG.
# Apply the DMG Finder icon using native macOS tools.
echo "=== APPLY DMG ICON ==="

# Native macOS tools. No Homebrew dependencies.
REZ="$(xcrun --find Rez)"
SETFILE="$(xcrun --find SetFile)"

[[ -f "$INSTALLER_ICNS" ]] || {
  echo "ERROR: Installer .icns missing" >&2
  exit 1
}

# Create an icon resource containing the .icns data.
ICON_RESOURCE="${TMPDIR:-/tmp}/PHPGuardInstaller-$$.r"

python3 - "$INSTALLER_ICNS" "$ICON_RESOURCE" <<'ICONPY'
import sys
from pathlib import Path

icon = Path(sys.argv[1]).read_bytes()

if not icon.startswith(b"icns"):
    raise SystemExit("ERROR: Invalid .icns file")

hexdata = icon.hex().upper()

with open(sys.argv[2], "w") as f:
    f.write("data 'icns' (-16455) {\n")
    for i in range(0, len(hexdata), 64):
        f.write('    $"' + hexdata[i:i+64] + '"\n')
    f.write("};\n")
ICONPY

# Attach icon resource to the DMG.
"$REZ" -append "$ICON_RESOURCE" -o "$DMG"

# Set the Finder custom-icon flag.
"$SETFILE" -a C "$DMG"

rm -f "$ICON_RESOURCE"

echo "Custom DMG icon applied."

xcrun notarytool submit "$DMG" --keychain-profile "$PROFILE" --wait
xcrun stapler staple "$DMG"
xcrun stapler validate "$DMG"
# Keep only the final release DMG in dist.
echo "=== CLEAN RELEASE DIRECTORY ==="

find "$ROOT/dist" -maxdepth 1 -type f ! -name "$(basename "$DMG")" -delete

echo "Release ready: $DMG"