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

ROOT="$(cd "$(dirname "$0")" && pwd)"
BUILD="$ROOT/build"
APP="$BUILD/bin/Swiftly.app"
CONTENTS="$APP/Contents"
MACOS="$CONTENTS/MacOS"
RESOURCES="$CONTENTS/Resources"

SDK=$(xcrun --show-sdk-path)

RUST_LIB="$ROOT/core/target/release"
echo "Building Rust core (release)..."
cd "$ROOT/core" && cargo build --release
cd "$ROOT"
RUST_FLAGS="-import-objc-header $ROOT/core/include/swiftly.h -L $RUST_LIB -lswiftly_core"

# --- App icon from SVG ---
SVG="$ROOT/static/vectors/icon.svg"
if [ -f "$SVG" ]; then
    echo "Generating app icon..."
    ICONSET="$BUILD/AppIcon.iconset"
    mkdir -p "$ICONSET"
    for SIZE in 16 32 64 128 256 512; do
        rsvg-convert -w $SIZE -h $SIZE "$SVG" -o "$ICONSET/icon_${SIZE}x${SIZE}.png"
    done
    for SIZE in 16 32 128 256; do
        DOUBLE=$((SIZE * 2))
        rsvg-convert -w $DOUBLE -h $DOUBLE "$SVG" -o "$ICONSET/icon_${SIZE}x${SIZE}@2x.png"
    done
    rsvg-convert -w 1024 -h 1024 "$SVG" -o "$ICONSET/icon_512x512@2x.png"
    iconutil -c icns "$ICONSET" -o "$BUILD/AppIcon.icns"
    rm -rf "$ICONSET"
fi

# --- Bundle structure ---
mkdir -p "$MACOS" "$RESOURCES"
cp "$ROOT/Info.plist" "$CONTENTS/Info.plist"
if [ -f "$BUILD/AppIcon.icns" ]; then
    cp "$BUILD/AppIcon.icns" "$RESOURCES/AppIcon.icns"
fi

# --- Compile Swift ---
echo "Compiling Swift (release)..."
swiftc \
    -target arm64-apple-macosx14.0 \
    -sdk "$SDK" \
    $RUST_FLAGS \
    -framework Cocoa \
    -framework SwiftUI \
    -O \
    -o "$MACOS/Swiftly" \
    "$ROOT"/src/*.swift

# --- Code sign ---
codesign --force --deep --sign - "$APP"

echo "Built: $APP"