#!/usr/bin/env bash
# SPDX-License-Identifier: (GPL-2.0-only OR MIT)
# Copyright (C) 2026 Amlogic, Inc. All rights reserved
################################################################################
# Amlbian BlueZ5 Compilation Package
#
# Purpose: BlueZ5 compilation based on Yocto recipe bluez5_5.65.bb
#          + meta-meson/recipes-connectivity/bluez/bluez5_%.bbappend
#          + meta-meson/recipes-connectivity/bluez/bluez5_5.65.bbappend
# Based on Yocto recipe: poky/meta/recipes-connectivity/bluez5/bluez5_5.65.bb
#
# This script implements the base BlueZ5 5.65 recipe with complete bbappend modifications
# Optimized version based on build-bt.sh structure
################################################################################

set -e

# Get script directory
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
AMLBIAN_DIR="$(dirname "$(dirname "${SCRIPT_DIR}")")"
BASE_DIR="$(dirname "$(dirname "${AMLBIAN_DIR}")")"

# Source common functions
if [[ -f "${AMLBIAN_DIR}/lib/function-common.sh" ]]; then
    source "${AMLBIAN_DIR}/lib/function-common.sh"
fi

# ==============================================================================
# Shared Helper Functions
# ==============================================================================

# ------------------------------------------------------------------------------
# Step 1: Package Information Definition
# ------------------------------------------------------------------------------

# Initialize BlueZ5 package metadata
function _bluez5_init_package_info() {
    PKG_NAME="bluez"
    PKG_VERSION="5.65"
    COMPONENT="bluez5"
    PKG_ARCH="${ARCH:-aarch64}"
    
    PKG_MAINTAINER="Armbian Build <build@armbian.com>"
    PKG_DESCRIPTION="BlueZ 5.65 Bluetooth stack with Amlogic modifications"
    
    # Cross compilation settings
    CROSS_COMPILE="${CROSS_COMPILE:-aarch64-linux-gnu-}"
    
    # Source URL from bluez5_5.65.bb
    KERNELORG_MIRROR="https://www.kernel.org/pub/linux/bluetooth"
    SRC_URL="${KERNELORG_MIRROR}/bluez-${PKG_VERSION}.tar.xz"
    SRC_SHA256="2565a4d48354b576e6ad92e25b54ed66808296581c8abb80587051f9993d96d4"
    
    # Meta-meson files directory (from bbappend FILESEXTRAPATHS)
    FILES_DIR="${SCRIPT_DIR}/files"
    
    # TTY setting from bluez5_%.bbappend
    TTY="${TTY:-ttyS1}"
    
    # DISTRO_FEATURES - controls which features are enabled
    DISTRO_FEATURES+=" systemd obexd aml-wifi bt-audio"
    
    # MACHINE_EXTRA_RRECOMMENDS for RDEPENDS logic
    MACHINE_EXTRA_RRECOMMENDS="${MACHINE_EXTRA_RRECOMMENDS:-}"
}

# ------------------------------------------------------------------------------
# Step 2: Build Directory Structure Setup
# ------------------------------------------------------------------------------

# Create layered build directory structure
# Parameters:
#   $1 - base name (e.g. "${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}")
# Sets: TMP_DIR, BASE_BUILD_DIR, SOURCE_DIR, BUILD_DIR, INSTALL_DIR, PATCH_DIR,
#       DEB_PACKAGE_DIR, DEBIAN_DIR, BUILD_LOG
function _bluez5_common_create_build_dirs() {
    local base_name="$1"

    TMP_DIR="${SRC}/.tmp"
    mkdir -p "${TMP_DIR}"

    # 基础构建目录
    BASE_BUILD_DIR="${TMP_DIR}/${base_name}"

    rm -rf ${BASE_BUILD_DIR}

    # 分层目录
    SOURCE_DIR="${BASE_BUILD_DIR}/source"      # 源码目录
    BUILD_DIR="${BASE_BUILD_DIR}/build"        # 编译目录
    INSTALL_DIR="${BASE_BUILD_DIR}/install"    # 安装目录
    PATCH_DIR="${BASE_BUILD_DIR}/patch"        # 补丁目录

    # 创建所有目录
    mkdir -p "${SOURCE_DIR}"
    mkdir -p "${BUILD_DIR}"
    mkdir -p "${INSTALL_DIR}"
    mkdir -p "${PATCH_DIR}"

    # 在BUILD_DIR下创建deb/包名目录
    DEB_PACKAGE_DIR="${BUILD_DIR}/deb/${base_name}"
    mkdir -p "${DEB_PACKAGE_DIR}"

    # 创建编译日志文件
    BUILD_LOG="${BUILD_DIR}/build.log"

    # 安装目录的子目录
    DEBIAN_DIR="${INSTALL_DIR}/DEBIAN"
    BIN_DIR="${INSTALL_DIR}/usr/bin/"
    SYSTEMD_DIR="${INSTALL_DIR}/lib/systemd/system/"
    ETC_DIR="${INSTALL_DIR}/etc/bluetooth/"

    mkdir -p "${DEBIAN_DIR}"
    mkdir -p "${BIN_DIR}"
    mkdir -p "${SYSTEMD_DIR}"
    mkdir -p "${ETC_DIR}"
}

# Display build directory info
# Parameters:
#   $1 - log prefix
function _bluez5_common_display_build_info() {
    local log_prefix="$1"
    
    display_alert "${log_prefix} Source dir: ${SOURCE_DIR}" "info"
    display_alert "${log_prefix} Build dir: ${BUILD_DIR}" "info"
    display_alert "${log_prefix} Install dir: ${INSTALL_DIR}" "info"
    display_alert "${log_prefix} Patch dir: ${PATCH_DIR}" "info"
    display_alert "${log_prefix} Deb package dir: ${DEB_PACKAGE_DIR}" "info"
    display_alert "${log_prefix} Build log: ${BUILD_LOG}" "info"
    display_alert "${log_prefix} Bin dir: ${BIN_DIR}" "info"
    display_alert "${log_prefix} Systemd dir: ${SYSTEMD_DIR}" "info"
    display_alert "${log_prefix} Config dir: ${ETC_DIR}" "info"
}

# ------------------------------------------------------------------------------
# Step 3: Source Download and Extraction
# ------------------------------------------------------------------------------

# Download and extract BlueZ5 source code
function _bluez5_download_and_extract() {
    display_alert "COMPILE-${COMPONENT} Step 1: Downloading BlueZ5 source code" "info"
    
    cd "${BASE_BUILD_DIR}"
    
    # Download source tarball
    if [[ ! -f "bluez-${PKG_VERSION}.tar.xz" ]]; then
        display_alert "COMPILE-${COMPONENT} Downloading from ${SRC_URL}" "info"
        wget -q --show-progress -O "bluez-${PKG_VERSION}.tar.xz" "${SRC_URL}" 2>&1 >> "${BUILD_LOG}"
        
        # Verify SHA256 checksum
        local calculated_sha=$(sha256sum "bluez-${PKG_VERSION}.tar.xz" | cut -d' ' -f1)
        if [[ "$calculated_sha" != "$SRC_SHA256" ]]; then
            display_alert "COMPILE-${COMPONENT} SHA256 mismatch: expected $SRC_SHA256, got $calculated_sha" "error"
            exit 1
        fi
    else
        display_alert "COMPILE-${COMPONENT} Source tarball already exists, skipping download" "info"
    fi
    
    # Extract source
    tar -xf "bluez-${PKG_VERSION}.tar.xz" -C "${SOURCE_DIR}" --strip-components=1
    display_alert "COMPILE-${COMPONENT} Source extracted to ${SOURCE_DIR}" "info"
}

# ------------------------------------------------------------------------------
# Step 4: Apply Patches
# ------------------------------------------------------------------------------

# Apply base recipe patches from bluez5.inc
function _bluez5_apply_base_patches() {
    display_alert "COMPILE-${COMPONENT} Step 2: Applying patches from bluez5.inc" "info"
    
    cd "${SOURCE_DIR}"
    
    # Patches defined in bluez5.inc SRC_URI
    local patches=(
        "0001-Allow-using-obexd-without-systemd-in-the-user-sessio.patch"
        "0001-tests-add-a-target-for-building-tests-without-runnin.patch"
        "0001-test-gatt-Fix-hung-issue.patch"
        "CVE-2023-45866.patch"
        "CVE-2023-27349.patch"
        "CVE-2023-50229_CVE-2023-50230.patch"
    )
    
    # Patch directory from poky
    local PATCH_DIR="${SCRIPT_DIR}/files"
    
    # Apply patches
    for patch in "${patches[@]}"; do
        local patch_file="${PATCH_DIR}/${patch}"
        
        if [[ -f "$patch_file" ]]; then
            display_alert "COMPILE-${COMPONENT} Applying patch: $patch" "info"
            
            # Try patch with -p1 first
            if patch -p1 --dry-run < "$patch_file" &> /dev/null; then
                patch -p1 < "$patch_file" >> "$BUILD_LOG" 2>&1
                display_alert "COMPILE-${COMPONENT} Patch applied successfully with -p1" "info"
            else
                # Try with -p0
                if patch -p0 --dry-run < "$patch_file" &> /dev/null; then
                    patch -p0 < "$patch_file" >> "$BUILD_LOG" 2>&1
                    display_alert "COMPILE-${COMPONENT} Patch applied successfully with -p0" "info"
                else
                    display_alert "COMPILE-${COMPONENT} Failed to apply patch: $patch" "warn"
                fi
            fi
        else
            display_alert "COMPILE-${COMPONENT} Patch file not found: $patch_file" "warn"
        fi
    done
}

# Apply bbappend patches
function _bluez5_apply_bbappend_patches() {
    display_alert "COMPILE-${COMPONENT} Step 3: Applying bbappend patches" "info"
    
    cd "${SOURCE_DIR}"
    local PATCH_DIR="${SCRIPT_DIR}/files"
    
    # Apply default_agent patch from bluez5_%.bbappend
    local default_agent_patch="${PATCH_DIR}/0000-bluez5-add-default_agent-3-5.patch"
    if [[ -f "$default_agent_patch" ]]; then
        display_alert "COMPILE-${COMPONENT} Applying default_agent patch" "info"
        if patch -p1 --dry-run < "$default_agent_patch" &> /dev/null; then
            patch -p1 < "$default_agent_patch" >> "$BUILD_LOG" 2>&1
            display_alert "COMPILE-${COMPONENT} Default_agent patch applied successfully" "info"
        else
            display_alert "COMPILE-${COMPONENT} Failed to apply default_agent patch" "warn"
        fi
    fi

    # Apply always-applied patches from bluez5_5.65.bbappend
    local bbappend_patches_565=(
        "0001-bluez-remove-bonded-check-in-hog-accept.patch"
        "0002-bluez-fix-repeatedly-connect-and-disconnect.patch"
        "0003-bluez-fix-rcu-reconnect.patch"
        "0004-bluez-fix-pair-interrupt-error.patch"
    )
    
    for patch in "${bbappend_patches_565[@]}"; do
        local patch_file="${PATCH_DIR}/${patch}"
        
        if [[ -f "$patch_file" ]]; then
            display_alert "COMPILE-${COMPONENT} Applying patch: $patch" "info"
            
            if patch -p1 --dry-run < "$patch_file" &> /dev/null; then
                patch -p1 < "$patch_file" >> "$BUILD_LOG" 2>&1
                display_alert "COMPILE-${COMPONENT} Patch applied successfully with -p1" "info"
            elif patch -p0 --dry-run < "$patch_file" &> /dev/null; then
                patch -p0 < "$patch_file" >> "$BUILD_LOG" 2>&1
                display_alert "COMPILE-${COMPONENT} Patch applied successfully with -p0" "info"
            else
                display_alert "COMPILE-${COMPONENT} Failed to apply patch: $patch" "warn"
            fi
        else
            display_alert "COMPILE-${COMPONENT} Patch file not found: $patch_file" "warn"
        fi
    done

    # Apply conditional patches based on DISTRO_FEATURES
    # bt-qca support
    if [[ "${DISTRO_FEATURES:-}" == *"bt-qca"* ]]; then
        local qca_patch="${PATCH_DIR}/0001-bluez-hciattach-add-qca-support.patch"
        if [[ -f "$qca_patch" ]]; then
            display_alert "COMPILE-${COMPONENT} Applying bt-qca patch: 0001-bluez-hciattach-add-qca-support.patch" "info"
            if patch -p1 --dry-run < "$qca_patch" &> /dev/null; then
                patch -p1 < "$qca_patch" >> "$BUILD_LOG" 2>&1
                display_alert "COMPILE-${COMPONENT} bt-qca patch applied successfully" "info"
            else
                display_alert "COMPILE-${COMPONENT} Failed to apply bt-qca patch" "warn"
            fi
        else
            display_alert "COMPILE-${COMPONENT} bt-qca patch not found: $qca_patch" "warn"
        fi
    fi
    
    # aml-wifi support
    if [[ "${DISTRO_FEATURES:-}" == *"aml-wifi"* ]]; then
        local aml_patches=(
            "0001-bluez-hciattach-add-aml-support.patch"
            "0001-BT-extract-amlbt-fw-log-1-1.patch"
        )
        for patch in "${aml_patches[@]}"; do
            local patch_file="${PATCH_DIR}/${patch}"
            if [[ -f "$patch_file" ]]; then
                display_alert "COMPILE-${COMPONENT} Applying aml-wifi patch: $patch" "info"
                if patch -p1 --dry-run < "$patch_file" &> /dev/null; then
                    patch -p1 < "$patch_file" >> "$BUILD_LOG" 2>&1
                    display_alert "COMPILE-${COMPONENT} Patch applied successfully" "info"
                else
                    display_alert "COMPILE-${COMPONENT} Failed to apply patch: $patch" "warn"
                fi
            else
                display_alert "COMPILE-${COMPONENT} Patch not found: $patch_file" "warn"
            fi
        done
    fi
}

# Copy additional directories from bbappend
function _bluez5_copy_bbappend_directories() {
    display_alert "COMPILE-${COMPONENT} Step 4: Copying bbappend directories" "info"

    local FILES_DIR="${SCRIPT_DIR}/files"
    
    # Copy client/ directory (from bluez5_%.bbappend do_compile:prepend)
    local client_src="${FILES_DIR}/client"
    if [[ -d "$client_src" ]]; then
        display_alert "COMPILE-${COMPONENT} Copying client/ directory to source" "info"
        cp -rf "${client_src}/"* "${SOURCE_DIR}/client/"
        display_alert "COMPILE-${COMPONENT} Client files copied successfully" "info"
    else
        display_alert "COMPILE-${COMPONENT} Client directory not found: $client_src" "warn"
    fi
    
    # Copy tools/ directory (from bluez5_5.65.bbappend do_compile:prepend)
    local tools_src="${FILES_DIR}/tools"
    if [[ -d "$tools_src" ]]; then
        display_alert "COMPILE-${COMPONENT} Copying tools/ directory to source" "info"
        install -d "${SOURCE_DIR}/tools"
        cp -rf "${tools_src}/"* "${SOURCE_DIR}/tools/"
        display_alert "COMPILE-${COMPONENT} Tools files copied successfully" "info"
    else
        display_alert "COMPILE-${COMPONENT} Tools directory not found: $tools_src" "warn"
    fi
    
    # Copy monitor/ directory (from bluez5_5.65.bbappend do_compile:prepend, conditional on aml-wifi)
    local monitor_src="${FILES_DIR}/monitor"
    if [[ -d "$monitor_src" ]]; then
        display_alert "COMPILE-${COMPONENT} Copying monitor/ directory to source (aml-wifi)" "info"
        install -d "${SOURCE_DIR}/monitor"
        cp -rf "${monitor_src}/"* "${SOURCE_DIR}/monitor/"
        display_alert "COMPILE-${COMPONENT} Monitor files copied successfully" "info"
    else
        display_alert "COMPILE-${COMPONENT} Monitor directory not found: $monitor_src" "warn"
    fi
}

# ------------------------------------------------------------------------------
# Step 5: Configure Build
# ------------------------------------------------------------------------------

# Configure BlueZ5 build
function _bluez5_configure_build() {
    display_alert "COMPILE-${COMPONENT} Step 5: Configuring BlueZ build" "info"
    
    cd "${SOURCE_DIR}"
    
    # Clean previous build
    if [[ -f "Makefile" ]]; then
        display_alert "COMPILE-${COMPONENT} Clean build" "info"
        make distclean >> "$BUILD_LOG" 2>&1 || true
    fi

    # 设置编译环境
    : "${ARCH:=arm64}"
    CROSS_COMPILE="${CROSS_COMPILE:-aarch64-linux-gnu-}"
    
    export ARCH
    export CROSS_COMPILE="${CROSS_COMPILE}"

    autoreconf -fi

    # Check if ROOTFS_TEMP exists, use it as sysroot, otherwise error
    SYSROOT=""
    
    if [[ -n "${ROOTFS_TEMP}" ]] && [[ -d "${ROOTFS_TEMP}" ]] && [[ -d "${ROOTFS_TEMP}/usr/lib/aarch64-linux-gnu" ]]; then
        SYSROOT="${ROOTFS_TEMP}"
        display_alert "COMPILE-${COMPONENT}" "Using ROOTFS_TEMP as sysroot: ${SYSROOT}" "info"
    else
        display_alert "COMPILE-${COMPONENT}" "ROOTFS_TEMP not found or invalid: ${ROOTFS_TEMP}" "err"
        display_alert "COMPILE-${COMPONENT}" "ROOTFS_TEMP should be created by create_base_rootfs function" "err"
        return 1
    fi

    mkdir -p $SYSROOT/usr/lib

    # 软链接（关键）
    ln -sf $SYSROOT/usr/lib/aarch64-linux-gnu/crti.o $SYSROOT/usr/lib/crti.o
    ln -sf $SYSROOT/usr/lib/aarch64-linux-gnu/crtn.o $SYSROOT/usr/lib/crtn.o
    ln -sf $SYSROOT/usr/lib/aarch64-linux-gnu/crt1.o $SYSROOT/usr/lib/crt1.o
    
    # 构建所有配置选项
    local all_configure_opts=()
    
    # Base configure options from bluez5.inc
    local base_opts=(
        "--prefix=/usr"
        "--sysconfdir=/etc"
        "--localstatedir=/var"
        "--mandir=/usr/share/man"
        "--enable-test"
        "--enable-datafiles"
        "--enable-library"
        "--without-zsh-completion-dir"
        "--disable-manpages"
    )
    all_configure_opts+=("${base_opts[@]}")
    
    # PACKAGECONFIG options (default from bluez5.inc)
    local packagenconfig=(
        "obex-profiles"
        "readline"
        "a2dp-profiles"
        "avrcp-profiles"
        "network-profiles"
        "hid-profiles"
        "hog-profiles"
        "tools"
        "deprecated"
        "udev"
        "systemd"
    )

    # Process PACKAGECONFIG options
    for config in "${packagenconfig[@]}"; do
        case "$config" in
            "obex-profiles") all_configure_opts+=("--enable-obex") ;;
            "readline") all_configure_opts+=("--enable-client") ;;
            "systemd") all_configure_opts+=("--enable-systemd") ;;
            "a2dp-profiles") all_configure_opts+=("--enable-a2dp") ;;
            "avrcp-profiles") all_configure_opts+=("--enable-avrcp") ;;
            "network-profiles") all_configure_opts+=("--enable-network") ;;
            "hid-profiles") all_configure_opts+=("--enable-hid") ;;
            "hog-profiles") all_configure_opts+=("--enable-hog") ;;
            "tools") all_configure_opts+=("--enable-tools") ;;
            "deprecated") all_configure_opts+=("--enable-deprecated") ;;
            "udev") all_configure_opts+=("--enable-udev") ;;
        esac
    done
    
    # Apply PACKAGECONFIG removals from bluez5_5.65.bbappend
    # Remove a2dp-profiles and avrcp-profiles if bt-audio not in DISTRO_FEATURES
    if [[ "${DISTRO_FEATURES:-}" != *"bt-audio"* ]]; then
        # 从数组中移除对应的选项
        for i in "${!all_configure_opts[@]}"; do
            if [[ "${all_configure_opts[i]}" == "--enable-a2dp" ]] || [[ "${all_configure_opts[i]}" == "--enable-avrcp" ]]; then
                unset 'all_configure_opts[i]'
            fi
        done
        # 重新索引数组
        all_configure_opts=("${all_configure_opts[@]}")
        display_alert "COMPILE-${COMPONENT} Removed a2dp-profiles and avrcp-profiles (bt-audio not enabled)" "info"
    fi
    
    # Remove obex-profiles if obexd not in DISTRO_FEATURES
    if [[ "${DISTRO_FEATURES:-}" != *"obexd"* ]]; then
        for i in "${!all_configure_opts[@]}"; do
            if [[ "${all_configure_opts[i]}" == "--enable-obex" ]]; then
                unset 'all_configure_opts[i]'
            fi
        done
        all_configure_opts=("${all_configure_opts[@]}")
        display_alert "COMPILE-${COMPONENT} Removed obex-profiles (obexd not enabled)" "info"
    fi
    
    # Remove network-profiles if bt-network not in DISTRO_FEATURES
    if [[ "${DISTRO_FEATURES:-}" != *"bt-network"* ]]; then
        for i in "${!all_configure_opts[@]}"; do
            if [[ "${all_configure_opts[i]}" == "--enable-network" ]]; then
                unset 'all_configure_opts[i]'
            fi
        done
        all_configure_opts=("${all_configure_opts[@]}")
        display_alert "COMPILE-${COMPONENT} Removed network-profiles (bt-network not enabled)" "info"
    fi
    
    export PKG_CONFIG=/usr/bin/pkg-config
    export PKG_CONFIG_SYSROOT_DIR="${SYSROOT}"
    export PKG_CONFIG_LIBDIR="${SYSROOT}/usr/lib/aarch64-linux-gnu/pkgconfig:${SYSROOT}/usr/share/pkgconfig"
    unset PKG_CONFIG_PATH

    # Set up flags with sysroot
    export CPPFLAGS="${CPPFLAGS} --sysroot=${SYSROOT}"
    
    # Add standard library definitions to avoid C23 issues
    export CFLAGS="${CFLAGS} --sysroot=${SYSROOT} -fPIC"
    export CXXFLAGS="${CXXFLAGS} --sysroot=${SYSROOT} -fPIC"
    
    # Add sysroot-specific include paths
    local include_flags="-I${SYSROOT}/usr/include/aarch64-linux-gnu \
-I${SYSROOT}/usr/include/glib-2.0 \
-I${SYSROOT}/usr/lib/aarch64-linux-gnu/glib-2.0/include"
    
    export CPPFLAGS="${CPPFLAGS} ${include_flags}"
    export CFLAGS="${CFLAGS} ${include_flags}"
    export CXXFLAGS="${CXXFLAGS} ${include_flags}"
    export LIBS="${LIBS} -ltinfo"
    
    # Add sysroot-specific library paths with required libraries
    export LDFLAGS="${LDFLAGS} --sysroot=${SYSROOT} \
-L${SYSROOT}/usr/lib/aarch64-linux-gnu \
-L${SYSROOT}/lib/aarch64-linux-gnu \
-Wl,-rpath-link=${SYSROOT}/usr/lib/aarch64-linux-gnu \
-Wl,-rpath-link=${SYSROOT}/lib/aarch64-linux-gnu \
-lpcre2-8 -lm -lsystemd -lncurses -ltinfo"

    # 处理 CONFIGURE_ARGS（如果有额外的配置参数）
    local extra_args=""
    if [[ -n "${CONFIGURE_ARGS:-}" ]]; then
        extra_args="${CONFIGURE_ARGS}"
        display_alert "COMPILE-${COMPONENT}" "Additional configure args: ${extra_args}" "info"
    fi
    
    # Run configure
    display_alert "COMPILE-${COMPONENT} Configure options" "${all_configure_opts[*]} ${extra_args}" "info"
    
    ./configure \
        "${all_configure_opts[@]}" \
        --host=aarch64-linux-gnu \
        --build=x86_64-linux-gnu \
        --libdir=/usr/lib/aarch64-linux-gnu \
        PKG_CONFIG=/usr/bin/pkg-config \
        CC="${CROSS_COMPILE}gcc" \
        CFLAGS="${CFLAGS}" \
        LDFLAGS="${LDFLAGS}" \
        ${extra_args} \
        2>&1 || {
            display_alert "COMPILE-${COMPONENT} configure failed" "error"
            return 1
        }
    
    display_alert "COMPILE-${COMPONENT} Configuration successful" "info"
}

# ------------------------------------------------------------------------------
# Step 6: Compile BlueZ5
# ------------------------------------------------------------------------------

# Compile BlueZ5
function _bluez5_compile() {
    display_alert "COMPILE-${COMPONENT} Step 6: Compiling BlueZ" "info"
    
    # Compile
    display_alert "COMPILE-${COMPONENT} Building with $(nproc) parallel jobs LDFLAGS ${LDFLAGS} CFLAGS ${CFLAGS}" "info"
    
    make CC="${CROSS_COMPILE}gcc" \
        CFLAGS="${CFLAGS}" \
        LDFLAGS="${LDFLAGS}" \
        ARCH="${PKG_ARCH}" \
        -j$(nproc) \
        all 2>&1
    
    if [[ $? -ne 0 ]]; then
        display_alert "COMPILE-${COMPONENT} Compilation failed, check $BUILD_LOG" "error"
        exit 1
    fi
    
    display_alert "COMPILE-${COMPONENT} Compilation successful" "info"
}

# ------------------------------------------------------------------------------
# Step 7: Install Files
# ------------------------------------------------------------------------------

# Install base recipe files
function _bluez5_install_base() {
    display_alert "COMPILE-${COMPONENT} Step 7: Installing BlueZ (base recipe)" "info"
    
    # Install to staging directory
    mkdir -p "${INSTALL_DIR}"

    make install DESTDIR="${INSTALL_DIR}" \
        CC="${CROSS_COMPILE}gcc" \
        CFLAGS="" \
        LDFLAGS="" \
        DBUS_CONFDIR="/etc" \
        DBUS_SESSIONBUSDIR="/usr/share/dbus-1/services" \
        DBUS_SYSTEMBUSDIR="/usr/share/dbus-1/system-services" \
        SYSTEMD_SYSTEMUNITDIR="/lib/systemd/system" \
        SYSTEMD_USERUNITDIR="/usr/lib/systemd/user" \
        UDEV_DIR="/lib/udev" \
        >> "$BUILD_LOG" 2>&1
}

# Install bbappend extra files
function _bluez5_install_bbappend_files() {
    display_alert "COMPILE-${COMPONENT} Step 7b: Installing bbappend extra files" "info"
    
    # Create necessary directories
    install -d "${INSTALL_DIR}/usr/bin"
    install -d "${INSTALL_DIR}/lib/systemd/system"
    install -d "${INSTALL_DIR}/etc/bluetooth"
    
    # Install default_agent binary
    if [[ -f "${SOURCE_DIR}/client/default_agent" ]]; then
        install -m 0755 "${SOURCE_DIR}/client/default_agent" "${INSTALL_DIR}/usr/bin/"
        display_alert "COMPILE-${COMPONENT} Installed: default_agent -> /usr/bin/" "info"
    else
        display_alert "COMPILE-${COMPONENT} default_agent binary not found in build output" "warn"
    fi
    
    # Install bluez_tool.sh
    local bluez_tool_src="${FILES_DIR}/bluez_tool.sh"
    if [[ -f "$bluez_tool_src" ]]; then
        install -m 0755 "$bluez_tool_src" "${INSTALL_DIR}/usr/bin/"
        display_alert "COMPILE-${COMPONENT} Installed: bluez_tool.sh -> /usr/bin/" "info"
    else
        display_alert "COMPILE-${COMPONENT} bluez_tool.sh not found: $bluez_tool_src" "warn"
    fi
    
    # Install bluez.service
    local bluez_service_src="${FILES_DIR}/bluez.service"
    if [[ -f "$bluez_service_src" ]]; then
        install -m 0644 "$bluez_service_src" "${INSTALL_DIR}/lib/systemd/system/"
        display_alert "COMPILE-${COMPONENT} Installed: bluez.service -> /lib/systemd/system/" "info"
    else
        display_alert "COMPILE-${COMPONENT} bluez.service not found: $bluez_service_src" "warn"
    fi
    
    # Install main.conf
    local main_conf_src="${FILES_DIR}/main.conf"
    if [[ -f "$main_conf_src" ]]; then
        install -m 0644 "$main_conf_src" "${INSTALL_DIR}/etc/bluetooth/"
        display_alert "COMPILE-${COMPONENT} Installed: main.conf -> /etc/bluetooth/" "info"
    else
        display_alert "COMPILE-${COMPONENT} main.conf not found: $main_conf_src" "warn"
    fi
    
    # Modify main.conf based on DISTRO_FEATURES
    local main_conf_installed="${INSTALL_DIR}/etc/bluetooth/main.conf"
    if [[ -f "$main_conf_installed" ]]; then
        # Determine Device type based on DISTRO_FEATURES
        if [[ "${DISTRO_FEATURES:-}" == *"aml-wifi"* ]]; then
            sed -i '/Debug/a Device=aml' "$main_conf_installed"
            display_alert "COMPILE-${COMPONENT} main.conf: Device=aml (aml-wifi enabled)" "info"
        elif [[ "${DISTRO_FEATURES:-}" == *"bt-qca"* ]]; then
            sed -i '/Debug/a Device=qca' "$main_conf_installed"
            display_alert "COMPILE-${COMPONENT} main.conf: Device=qca (bt-qca enabled)" "info"
        elif [[ "${DISTRO_FEATURES:-}" == *"bt-bcm"* ]]; then
            sed -i '/Debug/a Device=bcm' "$main_conf_installed"
            display_alert "COMPILE-${COMPONENT} main.conf: Device=bcm (bt-bcm enabled)" "info"
        else
            sed -i '/Debug/a Device=rtk' "$main_conf_installed"
            display_alert "COMPILE-${COMPONENT} main.conf: Device=rtk (default)" "info"
        fi
        
        # Add TTY setting
        sed -i "/Debug/a TTY=/dev/${TTY}" "$main_conf_installed"
        display_alert "COMPILE-${COMPONENT} main.conf: TTY=/dev/${TTY}" "info"
    fi
    
    # Modify bluetooth.service
    local bluetooth_service_installed="${INSTALL_DIR}/lib/systemd/system/bluetooth.service"
    if [[ -f "$bluetooth_service_installed" ]]; then
        # Add EnvironmentFile before ExecStart
        sed -i "/ExecStart/i EnvironmentFile=-/etc/aml-wifi-debug.d/bt.env" "$bluetooth_service_installed"
        # Modify ExecStart to use $BLUETOOTHD_EXT_ARGS
        sed -i 's|^ExecStart=/usr/libexec/bluetooth/bluetoothd.*|ExecStart=/usr/libexec/bluetooth/bluetoothd $BLUETOOTHD_EXT_ARGS|' "$bluetooth_service_installed"
        display_alert "COMPILE-${COMPONENT} bluetooth.service: Added EnvironmentFile and modified ExecStart" "info"
    fi
}

# Install NOINST_TOOLS
function _bluez5_install_noinst_tools() {
    display_alert "COMPILE-${COMPONENT} Step 8: Installing NOINST_TOOLS" "info"
    
    # NOINST_TOOLS definitions from bluez5_5.65.bb
    local noinst_tools=(
        "tools/bdaddr"
        "tools/btinfo"
        "tools/btsnoop"
        "tools/btproxy"
    )
    
    for tool in "${noinst_tools[@]}"; do
        if [[ -f "${SOURCE_DIR}/$tool" ]]; then
            install -m 0755 "${SOURCE_DIR}/$tool" "${INSTALL_DIR}/usr/bin/"
            display_alert "COMPILE-${COMPONENT} Installed NOINST_TOOL: $(basename "$tool") -> /usr/bin/" "info"
        fi
    done
}

# Install additional files from bluez5.inc
function _bluez5_install_additional_files() {
    display_alert "COMPILE-${COMPONENT} Step 9: Installing additional files from bluez5.inc" "info"
    
    # Create bluetooth config directory
    mkdir -p "${INSTALL_DIR}/etc/bluetooth"
    
    # Install network.conf if it exists
    if [[ -f "${SOURCE_DIR}/profiles/network/network.conf" ]]; then
        install -m 0644 "${SOURCE_DIR}/profiles/network/network.conf" "${INSTALL_DIR}/etc/bluetooth/"
        display_alert "COMPILE-${COMPONENT} Installed: network.conf -> /etc/bluetooth/" "info"
    fi
    
    # Install input.conf if it exists
    if [[ -f "${SOURCE_DIR}/profiles/input/input.conf" ]]; then
        install -m 0644 "${SOURCE_DIR}/profiles/input/input.conf" "${INSTALL_DIR}/etc/bluetooth/"
        display_alert "COMPILE-${COMPONENT} Installed: input.conf -> /etc/bluetooth/" "info"
    fi
}

# ------------------------------------------------------------------------------
# Step 8: Create Debian Package
# ------------------------------------------------------------------------------

# Create Debian control file
function _bluez5_create_control_file() {
    display_alert "COMPILE-${COMPONENT} Step 10: Creating Debian package" "info"
    
    # Build RDEPENDS string based on bbappend logic
    local rdepends="libc6, libdbus-1-3, libglib2.0-0"
    
    # # Add amlogic-hciattach if aml-wifi enabled
    # if [[ "${DISTRO_FEATURES:-}" == *"aml-wifi"* ]]; then
    #     rdepends="${rdepends}, amlogic-hciattach"
    #     display_alert "COMPILE-${COMPONENT} Added RDEPENDS: amlogic-hciattach (aml-wifi enabled)" "info"
    # fi
    
    # Add aml-wifi-common if MACHINE_EXTRA_RRECOMMENDS contains wifi modules
    if [[ -n "$MACHINE_EXTRA_RRECOMMENDS" ]]; then
        if echo "$MACHINE_EXTRA_RRECOMMENDS" | grep -q -E '\b(aml-wifi-w1|aml-wifi-w1u|aml-wifi-w2)\b'; then
            rdepends="${rdepends}, aml-wifi-common"
            display_alert "COMPILE-${COMPONENT} Added RDEPENDS: aml-wifi-common (MACHINE_EXTRA_RRECOMMENDS contains wifi modules)" "info"
        fi
    fi

    # Create control file
    display_alert "COMPILE-${COMPONENT} Creating control file DEBIAN/control" "info"
    cat > "${DEBIAN_DIR}/control" << EOF
Package: ${PKG_NAME}
Version: ${PKG_VERSION}
Architecture: ${PKG_ARCH}
Maintainer: ${PKG_MAINTAINER}
Depends: ${rdepends}
Section: net
Priority: optional
Description: ${PKG_DESCRIPTION}
 BlueZ is the official Linux Bluetooth protocol stack. It is an Open Source
 project distributed under GNU General Public License (GPL).
 .
 This package contains BlueZ 5.65 with Amlogic-specific modifications:
 - Amlogic wifi support (aml-wifi)
 - Device-specific configuration (aml/qca/bcm/rtk)
 - Additional tools and utilities
 - Systemd service integration with bluez.service
 .
 Features enabled: ${DISTRO_FEATURES}
EOF
}

# Create post-installation script
function _bluez5_create_postinst() {
    display_alert "COMPILE-${COMPONENT} Creating post-installation script: DEBIAN/postinst" "info"
    cat > "${DEBIAN_DIR}/postinst" << EOF
#!/bin/bash
set -e

if [ "\$1" = "configure" ]; then
    # Reload systemd daemon
    if command -v systemctl >/dev/null 2>&1; then
        systemctl daemon-reload 2>/dev/null || true
    fi
    
    # Create runtime directories
    mkdir -p /var/lib/bluetooth
    chmod 0755 /var/lib/bluetooth
    
    # Set up bluez.service (from bbappend SYSTEMD_SERVICE)
    if [ -f /lib/systemd/system/bluez.service ]; then
        # Disable auto-enable as per bbappend SYSTEMD_AUTO_ENABLE
        systemctl disable bluez.service 2>/dev/null || true
        echo "BlueZ service (bluez.service) is installed but auto-enable is disabled"
        echo "To enable manually: systemctl enable bluez.service"
    fi
    
    echo "BlueZ 5.65 (Amlogic modified) installed successfully"
    echo "Configuration files are located in /etc/bluetooth/"
    echo "Device type: \$(grep '^Device=' /etc/bluetooth/main.conf 2>/dev/null | cut -d= -f2 || echo 'not set')"
fi

exit 0
EOF
    chmod 755 "${DEBIAN_DIR}/postinst"
}

# Create pre-removal script
function _bluez5_create_prerm() {
    display_alert "COMPILE-${COMPONENT} Creating pre-removal script: DEBIAN/prerm" "info"
    cat > "${DEBIAN_DIR}/prerm" << EOF
#!/bin/bash
set -e

if [ "\$1" = "remove" ] || [ "\$1" = "deconfigure" ]; then
    # Stop bluetooth service
    if command -v systemctl >/dev/null 2>&1; then
        systemctl stop bluetooth 2>/dev/null || true
        systemctl disable bluetooth 2>/dev/null || true
        systemctl stop bluez.service 2>/dev/null || true
        systemctl disable bluez.service 2>/dev/null || true
    fi
fi

exit 0
EOF
    chmod 755 "${DEBIAN_DIR}/prerm"
}

# Build Debian package
function _bluez5_build_deb_package() {
    # 将install目录内容拷贝到deb目录
    display_alert "COMPILE-${COMPONENT} Copying install directory to deb package directory" "info"
    echo "Copying install directory to deb package directory at $(date)" >> "${BUILD_LOG}"
    cp -r "${INSTALL_DIR}/"* "${DEB_PACKAGE_DIR}/" 2>&1 >> "${BUILD_LOG}"
    
    # 基于deb目录打包
    display_alert "COMPILE-${COMPONENT} Building Debian package" "info"
    echo "Building Debian package at $(date)" >> "${BUILD_LOG}"
    dpkg-deb --build "${DEB_PACKAGE_DIR}" 2>&1 >> "${BUILD_LOG}"
    
    if [[ $? -ne 0 ]]; then
        display_alert "COMPILE-${COMPONENT} Package build failed" "error"
        exit 1
    fi
    # 移动生成的deb包到输出目录
    OUTPUT_DEB="${SRC}/output/${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}.deb"
    mkdir -p "$(dirname "${OUTPUT_DEB}")"
    mv "${DEB_PACKAGE_DIR}.deb" "${OUTPUT_DEB}"
    cp -r "${BASE_BUILD_DIR}" "${AMLBIAN_DIR}/.tmp"
    chown -R --reference="${AMLBIAN_DIR}" "${AMLBIAN_DIR}/.tmp"

    display_alert "COMPILE-${COMPONENT} BlueZ5 package built successfully: ${OUTPUT_DEB}" "info"
    display_alert "COMPILE-${COMPONENT} Build directories preserved:" "info"
    display_alert "COMPILE-${COMPONENT}   Source: ${SOURCE_DIR}" "info"
    display_alert "COMPILE-${COMPONENT}   Build: ${BUILD_DIR}" "info"
    display_alert "COMPILE-${COMPONENT}   Install: ${INSTALL_DIR}" "info"
    display_alert "COMPILE-${COMPONENT}   Patch: ${PATCH_DIR}" "info"
    display_alert "COMPILE-${COMPONENT}   Deb package: ${DEB_PACKAGE_DIR}" "info"
}

# ==============================================================================
# Main BlueZ5 Build Function
# ==============================================================================

# Generic BlueZ5 package build function
function amlbian_build_bluez5App() {
    set -e

    # ---- Step 1: Version and Package Information ----
    _bluez5_init_package_info

    display_alert "COMPILE-${COMPONENT} Building BlueZ5 version ${PKG_VERSION} for ${PKG_ARCH}" "info"
    display_alert "COMPILE-${COMPONENT} Features: ${DISTRO_FEATURES}" "info"

    # ---- Step 2: Build Directory Setup ----
    _bluez5_common_create_build_dirs "${PKG_NAME}_${PKG_VERSION}_${PKG_ARCH}"
    _bluez5_common_display_build_info "COMPILE-${COMPONENT}"

    # ---- Step 3: Source Download and Extraction ----
    _bluez5_download_and_extract

    # ---- Step 4: Apply Patches ----
    _bluez5_apply_base_patches
    _bluez5_apply_bbappend_patches
    _bluez5_copy_bbappend_directories

    # ---- Step 5: Configure Build ----
    _bluez5_configure_build

    # ---- Step 6: Compile BlueZ5 ----
    _bluez5_compile

    # ---- Step 7: Install Files ----
    _bluez5_install_base
    _bluez5_install_bbappend_files
    _bluez5_install_noinst_tools
    _bluez5_install_additional_files

    # ---- Step 8: Debian Packaging Scripts ----
    _bluez5_create_control_file
    _bluez5_create_postinst
    _bluez5_create_prerm

    # ---- Step 9: Build Debian Package ----
    _bluez5_build_deb_package

    display_alert "COMPILE-${COMPONENT} BlueZ5 build completed. Successfully built for ${PKG_ARCH}" "success"
    display_alert "COMPILE-${COMPONENT} Features: ${DISTRO_FEATURES}" "info"

    return 0
}

function amlbian_build_bluez5() {
    if ! is_unit_enabled "bt" || [ "${BT_BLUEZ:-}" != "yes" ]; then
        echo "[SKIP] >> Bluetooth disabled in BUILD_UNITS or BT_BLUEZ not yes"
        return
    fi

    amlbian_build_bluez5App
}

# ==============================================================================
# Main Execution
# ==============================================================================

display_alert "AMLbian bulez5 Build Script" "Starting Bt build" "info"
amlbian_build_bluez5
display_alert "AMLOGIC: bulez5 build completed" "Check output directory for packages" "info"