#!/usr/bin/env bash
# Cross-compile the mtgodot GDExtension for iOS (iPhone 16 / arm64 device) and
# stage every static archive the app needs to link into project/bin/ios/.
#
# This gets you a compiled .a — it does NOT do the Xcode project / signing /
# on-device run. That's the rest of BACKLOG F1; see docs/PLATFORMS.md.
#
# Needs: full Xcode + iPhoneOS SDK. Submodules (recursive) must be present.
set -euo pipefail
cd "$(dirname "$0")"

CONFIG="${1:-Debug}"                       # Debug | Release
DEPLOY="${IOS_DEPLOYMENT_TARGET:-15.0}"
BUILD_DIR="build-ios"
JOBS="${JOBS:-$(sysctl -n hw.ncpu)}"
TOOLCHAIN="extension/godot-cpp/cmake/ios.toolchain.cmake"

case "$CONFIG" in
	Release) TPL="template_release" ;;
	*)       TPL="template_debug" ;;
esac

if [ ! -f "$TOOLCHAIN" ]; then
	echo "godot-cpp submodule missing — git submodule update --init --recursive" >&2
	exit 1
fi

cmake -S . -B "$BUILD_DIR" -G "Unix Makefiles" \
	-DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN" \
	-DPLATFORM=OS64 \
	-DDEPLOYMENT_TARGET="$DEPLOY" \
	-DCMAKE_BUILD_TYPE="$CONFIG" \
	-DMTGODOT_BUILD_TOOLS=OFF \
	-DBUILD_TESTING=OFF

cmake --build "$BUILD_DIR" --target mtgodot -j "$JOBS"

# --- stage archives for the .gdextension [dependencies] block ---
OUT="project/bin/ios"
mkdir -p "$OUT"
cp -f "$BUILD_DIR/bin/libgodot-cpp.ios.${TPL}.arm64.a" "$OUT/"
cp -f "$BUILD_DIR/libgr2/liblibgr2.a"                   "$OUT/"
cp -f "$BUILD_DIR/formats/libxr_formats.a"              "$OUT/"
cp -f "$BUILD_DIR/extension/libmtnet.a"                 "$OUT/"
cp -f "$(find "$BUILD_DIR" -name libsodium.a | head -1)" "$OUT/"

echo
echo "iOS ($CONFIG) archives:"
ls -la "project/bin/libmtgodot.ios.${TPL}.a" "$OUT"/*.a
lipo -info "project/bin/libmtgodot.ios.${TPL}.a"