export TREE_INSTALL_HNP_PATH=${HNP_PUBLIC_PATH}/tre.org/tre_1.0.0

# 创建安装目录
mkdir -p ${TREE_INSTALL_HNP_PATH}/usr/bin
mkdir -p ${TREE_INSTALL_HNP_PATH}/usr/share/man/man1

# 设置 Rust 交叉编译目标
# HarmonyOS 使用 musl libc，目标架构是 aarch64
export CARGO_TARGET_DIR=${PWD}/target
export TARGET=aarch64-unknown-linux-musl

# 配置 cargo 使用 HarmonyOS 工具链
export CC_aarch64_unknown_linux_musl=${CC}
export CXX_aarch64_unknown_linux_musl=${CXX}
export AR_aarch64_unknown_linux_musl=${AR}
export RANLIB_aarch64_unknown_linux_musl=${RANLIB}
export STRIP_aarch64_unknown_linux_musl=${STRIP}

# 设置链接器
export CARGO_TARGET_AARCH64_UNKNOWN_LINUX_MUSL_LINKER=${CC}

# 创建 .cargo 配置目录
mkdir -p .cargo

# 从环境变量获取 SDK 路径（从 build.sh 设置的 OHOS_SDK）
SDK_PATH=${OHOS_SDK:-/Users/jianguo/Desktop/ohosdk}

# 创建链接器包装脚本，过滤掉 --as-needed 选项（LLD 不支持）
LINKER_WRAPPER=$(mktemp)
cat > "${LINKER_WRAPPER}" << LINKER_EOF
#!/bin/bash
# 链接器包装脚本：过滤掉 LLD 不支持的选项
ARGS=()
SKIP_NEXT=false
for arg in "\$@"; do
    if [ "\$SKIP_NEXT" = true ]; then
        SKIP_NEXT=false
        continue
    fi
    # 过滤掉 --as-needed 和 -Wl,--as-needed 选项
    case "\$arg" in
        *--as-needed*)
            # 跳过这个选项
            ;;
        -Wl,--as-needed)
            # 跳过这个选项
            ;;
        -Wl,--no-as-needed)
            # 也跳过这个选项（LLD 不支持）
            ;;
        *)
            ARGS+=("\$arg")
            ;;
    esac
done
# 调用实际的链接器
exec "${CC}" "\${ARGS[@]}"
LINKER_EOF
chmod +x "${LINKER_WRAPPER}"

# 动态生成 .cargo/config.toml
cat > .cargo/config.toml << EOF
[target.aarch64-unknown-linux-musl]
linker = "${LINKER_WRAPPER}"
rustflags = [
    "-C", "link-arg=--target=aarch64-linux-ohos",
    "-C", "link-arg=--sysroot=${SDK_PATH}/native/sysroot",
    "-C", "link-arg=-fuse-ld=lld",
    "-C", "link-arg=--ld-path=${SDK_PATH}/native/llvm/bin/ld.lld",
]
EOF

echo "Created .cargo/config.toml with SDK path: ${SDK_PATH}"
echo "Created linker wrapper: ${LINKER_WRAPPER}"

# 清理之前的构建
echo "Cleaning previous build..."
cargo clean 2>/dev/null || true

# 构建 release 版本
echo "Building tre with cargo..."
cargo build --release --target ${TARGET} --verbose || {
    echo "Error: Cargo build failed"
    exit 1
}

# 检查构建产物
BINARY_PATH=${CARGO_TARGET_DIR}/${TARGET}/release/tre
if [ ! -f "${BINARY_PATH}" ]; then
    echo "Error: Binary not found at ${BINARY_PATH}"
    exit 1
fi

# 安装二进制文件
echo "Installing tre binary..."
cp ${BINARY_PATH} ${TREE_INSTALL_HNP_PATH}/usr/bin/tre || {
    echo "Error: Failed to copy binary"
    exit 1
}

# 设置可执行权限
chmod +x ${TREE_INSTALL_HNP_PATH}/usr/bin/tre

# 复制 man pages（如果存在）
if [ -f manual/tre.1 ]; then
    echo "Installing man pages..."
    mkdir -p ${TREE_INSTALL_HNP_PATH}/usr/share/man/man1
    cp manual/tre.1 ${TREE_INSTALL_HNP_PATH}/usr/share/man/man1/ 2>/dev/null || true
fi

# 复制 hnp.json
cp hnp.json ${TREE_INSTALL_HNP_PATH}/ || {
    echo "Error: Failed to copy hnp.json"
    exit 1
}

# 打包
echo "Packaging..."
pushd ${TREE_INSTALL_HNP_PATH}/../
    ${HNP_TOOL} pack -i ${TREE_INSTALL_HNP_PATH} -o ${ARCHIVE_PATH}/ || {
        echo "Error: HNP pack failed"
        popd
        exit 1
    }
    tar -zvcf ${ARCHIVE_PATH}/ohos_tre_1.0.0.tar.gz tre_1.0.0/ || {
        echo "Error: Tar packaging failed"
        popd
        exit 1
    }
popd

# 打印构建结果
echo ""
echo "=========================================="
echo "Build completed successfully!"
echo "=========================================="
echo "HNP Package: ${ARCHIVE_PATH}/tre.org_tre_1.0.0.hnp"
echo "Tar Archive: ${ARCHIVE_PATH}/ohos_tre_1.0.0.tar.gz"
echo "Installation Path: ${TREE_INSTALL_HNP_PATH}"
echo "=========================================="
echo ""

export PREFIX=${sys_prefix}