#!/bin/bash
set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
BUILD_DIR="${SCRIPT_DIR}/build/Release"
KEXT_BUNDLE="${BUILD_DIR}/QualcommWifi.kext"
KEXT_MACOS="${KEXT_BUNDLE}/Contents/MacOS"
SDK_PATH="$(xcrun --show-sdk-path)"

echo "=== Compilation de QualcommWifi.kext (macOS Tahoe 26.x / Darwin 25) ==="

mkdir -p "${KEXT_MACOS}"

# 1. Assemblage du firmware embarqué (AMSS, Board-2, M3)
echo "[1/5] Assemblage du firmware radio WCN7850..."
clang -target x86_64-apple-macos26.5 \
  -c "${SCRIPT_DIR}/QualcommWifi/Firmware_WCN7850_Wifi.s" \
  -o "${BUILD_DIR}/Firmware_WCN7850_Wifi.o"

# 2. Compilation C++ du pilote QualcommWifi
echo "[2/5] Compilation C++ de QualcommWifi.cpp..."
clang++ -target x86_64-apple-macos26.5 \
  -nostdinc -isystem "${SDK_PATH}/System/Library/Frameworks/Kernel.framework/Headers" \
  -I"${SCRIPT_DIR}/QualcommWireless/include" \
  -I"${SCRIPT_DIR}/QualcommWifi" \
  -std=c++17 -fno-builtin -fno-common -mkernel -fno-rtti -fno-exceptions \
  -fno-stack-protector -fno-strict-aliasing -Wno-invalid-offsetof -Os \
  -DKERNEL -D__IO80211_TARGET=260000 -DAPPLE_KEXT_OVERRIDE=override \
  -c "${SCRIPT_DIR}/QualcommWifi/QualcommWifi.cpp" \
  -o "${BUILD_DIR}/QualcommWifi.o"

# 3. Compilation C du module kmod (kmod_info, start/stop pour OpenCore / PrelinkedKernel)
echo "[3/5] Compilation C de QualcommWifi_info.c..."
clang -target x86_64-apple-macos26.5 \
  -nostdinc -isystem "${SDK_PATH}/System/Library/Frameworks/Kernel.framework/Headers" \
  -std=c99 -fno-builtin -mkernel \
  -c "${SCRIPT_DIR}/QualcommWifi/QualcommWifi_info.c" \
  -o "${BUILD_DIR}/QualcommWifi_info.o"

# 4. Édition de liens (Mach-O Kext avec libkmod)
echo "[4/5] Édition de liens du binaire Kext..."
clang++ -target x86_64-apple-macos26.5 \
  -nostdlib -mkernel -Xlinker -kext \
  -Xlinker -dead_strip \
  "${BUILD_DIR}/QualcommWifi.o" \
  "${BUILD_DIR}/Firmware_WCN7850_Wifi.o" \
  "${BUILD_DIR}/QualcommWifi_info.o" \
  "${SDK_PATH}/usr/lib/libkmod.a" \
  -o "${KEXT_MACOS}/QualcommWifi"

# 5. Copie de Info.plist et signature ad-hoc
echo "[5/5] Copie de Info.plist et signature..."
cp "${SCRIPT_DIR}/QualcommWifi/Info.plist" "${KEXT_BUNDLE}/Contents/Info.plist"
codesign -s - -f "${KEXT_BUNDLE}"

echo "=== Validation des bibliothèques et symboles avec kmutil ==="
kmutil libraries -p "${KEXT_BUNDLE}" > /dev/null
echo "✓ Validation kmutil réussie à 100% contre BootKernelExtensions.kc !"
echo "Kext produit : ${KEXT_BUNDLE}"