#!/bin/bash
set -e

ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
TOOLCHAIN_DIR="$ROOT_DIR/../arm-molv2-linux-uclibcgnueabi"
SYSROOT="$TOOLCHAIN_DIR/arm-molv2-linux-uclibcgnueabi/sysroot"
CROSS="$TOOLCHAIN_DIR/bin/arm-molv2-linux-uclibcgnueabi"

VERSION="1.0.84"
#协议版本 3.2系统：0，3.3系统为 1
PROTOCOL_VERSION=0
DISP_COUNT=1 # 显示器数量
TAG_TYPE="70" # 价签类型
# 根据DISP_COUNT设置APP_ID
if [[ "$DISP_COUNT" == "1" ]]; then
    APP_ID="com.eplayer.linux_single.00.$TAG_TYPE"
    FIRMWARE_ID="com.eplayer.firmware.linux_single.00.$TAG_TYPE"
else
    APP_ID="com.eplayer.linux_dual.00.$TAG_TYPE"
    FIRMWARE_ID="com.eplayer.firmware.linux_dual.00.$TAG_TYPE"
fi



# 默认 Release，如需 Debug 直接 ./build.sh Debug
BUILD_TYPE="${1:-Release}"
BUILD_DIR="$ROOT_DIR/build-arm-$BUILD_TYPE"
TOOLCHAIN_FILE="$ROOT_DIR/toolchain-arm.cmake"


# -----------------------------------------------------------------------------
# 1. 环境检测
# -----------------------------------------------------------------------------
if [[ ! -d "$TOOLCHAIN_DIR/bin" ]]; then
    echo "[ERR] 交叉工具链目录不存在：$TOOLCHAIN_DIR" >&2
    exit 1
fi

if [[ ! -d "$SYSROOT" ]]; then
    echo "[ERR] sysroot 目录不存在：$SYSROOT" >&2
    exit 1
fi

echo "[INF] 使用工具链：$TOOLCHAIN_DIR"
echo "[INF] 使用 sysroot：$SYSROOT"
echo "[INF] 构建类型：$BUILD_TYPE"
echo "------------------------------------------------------------"

# -----------------------------------------------------------------------------
# 2. PATH / pkg-config 环境
# -----------------------------------------------------------------------------
export PATH="$TOOLCHAIN_DIR/bin:$PATH"

# 让 pkg‑config 查找目标库
export PKG_CONFIG_DIR=
export PKG_CONFIG_LIBDIR="$SYSROOT/usr/lib/pkgconfig:$SYSROOT/usr/share/pkgconfig"
export PKG_CONFIG_SYSROOT_DIR="$SYSROOT"

# -----------------------------------------------------------------------------
# 3. 自动生成 toolchain 文件（若不存在）
# -----------------------------------------------------------------------------
if [[ ! -f "$TOOLCHAIN_FILE" ]]; then
    cat >"$TOOLCHAIN_FILE" <<EOF
set(CMAKE_SYSTEM_NAME Linux)
set(CMAKE_SYSTEM_PROCESSOR arm)

set(CROSS ${CROSS_PREFIX})
set(CMAKE_C_COMPILER   \${CROSS}-gcc)
set(CMAKE_CXX_COMPILER \${CROSS}-g++)

set(CMAKE_SYSROOT \$ENV{SYSROOT})
set(CMAKE_FIND_ROOT_PATH \${CMAKE_SYSROOT})
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)

# 如需静态单文件可执行，取消下一行注释
# set(CMAKE_EXE_LINKER_FLAGS "\${CMAKE_EXE_LINKER_FLAGS} -static")

set(CMAKE_SKIP_RPATH TRUE)
EOF
    echo "[INF] 已生成 toolchain 文件：$TOOLCHAIN_FILE"
fi

# -----------------------------------------------------------------------------
# 4. 配置 & 构建
# -----------------------------------------------------------------------------
echo "[INF] 配置阶段（CMake）..."
if [[ "$BUILD_TYPE" == "Debug" ]]; then
    APP_VERSION=$VERSION PROTOCOL_VERSION=$PROTOCOL_VERSION DISP_COUNT=$DISP_COUNT TAG_TYPE=$TAG_TYPE APP_ID=$APP_ID FIRMWARE_ID=$FIRMWARE_ID cmake -S "$ROOT_DIR" -B "$BUILD_DIR" \
        -DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN_FILE" \
        -DCMAKE_BUILD_TYPE="$BUILD_TYPE" \
        -DCMAKE_C_FLAGS="-g -ggdb" \
        -DCMAKE_CXX_FLAGS="-g -ggdb"
else
    APP_VERSION=$VERSION PROTOCOL_VERSION=$PROTOCOL_VERSION DISP_COUNT=$DISP_COUNT TAG_TYPE=$TAG_TYPE APP_ID=$APP_ID FIRMWARE_ID=$FIRMWARE_ID cmake -S "$ROOT_DIR" -B "$BUILD_DIR" \
      -DCMAKE_TOOLCHAIN_FILE="$TOOLCHAIN_FILE" \
      -DCMAKE_BUILD_TYPE="$BUILD_TYPE"
fi

echo "[INF] 编译阶段（make/Ninja）..."
cmake --build "$BUILD_DIR" -j"$(nproc)"

# -----------------------------------------------------------------------------
# 5. 结果提示
# -----------------------------------------------------------------------------
BIN_PATH="$ROOT_DIR/bin/e_player"
if [[ -f "$BIN_PATH" ]]; then
    echo "------------------------------------------------------------"
    echo "[OK] 构建完成！可执行文件位置："
    echo "     $BIN_PATH"
    file "$BIN_PATH"

    # 只有 Debug 构建才发布到设备
    if [[ "$BUILD_TYPE" == "Debug" ]]; then
        echo "发布到开发板："
        # 检查 adb 是否可用
        if ! command -v adb &> /dev/null; then
            echo "[ERROR] adb 命令未找到，请安装 Android SDK 或配置 PATH"
            exit 1
        fi

        # 检查设备是否连接
        if ! adb devices | grep -v "List of devices" | grep -q "device"; then
            echo "[ERROR] 未找到已连接的 ADB 设备"
            exit 1
        fi

        # 清理旧文件并推送新文件
        echo "正在删除旧版本..."
        if [[ "$DISP_COUNT" -eq 1 ]]; then
            adb shell rm -rf /data/bin/eplayer_single
            echo "正在上传新版本..."
            adb push "$BIN_PATH" /data/bin/eplayer_single
             # 设置可执行权限
            adb shell chmod +x /data/bin/eplayer_single
        else
            adb shell rm -rf /data/bin/eplayer_dual
             echo "正在上传新版本..."
            adb push "$BIN_PATH" /data/bin/eplayer_dual
            # 设置可执行权限
            adb shell chmod +x /data/bin/eplayer_dual
        fi
        echo "上传完成"

    else
        echo "[INFO] Release 构建，准备打包发布版本..."

       # 创建临时目录用于打包
        TEMP_DIR=$(mktemp -d)
        if [[ ! "$TEMP_DIR" || ! -d "$TEMP_DIR" ]]; then
            echo "[ERROR] 无法创建临时目录"
            exit 1
        fi
        
        # 复制文件到临时目录
        cp "$BIN_PATH" "$TEMP_DIR/e_player"
        
        # 创建版本文件
        echo "Version: $VERSION" > "$TEMP_DIR/version.txt"
        echo "DeviceType: $TAG_TYPE" >> "$TEMP_DIR/version.txt"
        echo "APPID: $APP_ID" >> "$TEMP_DIR/version.txt"
        echo "PROTOCOL_VERSION: $PROTOCOL_VERSION" >> "$TEMP_DIR/version.txt"
        echo "BuildDate: $(date '+%Y-%m-%d %H:%M:%S')" >> "$TEMP_DIR/version.txt"
        
        # 打包文件
        # 如果DISP_COUNT=1 则文件名为：e_player-single-$VERSION.tar
        # 如果DISP_COUNT=2 则文件名为：e_player-dual-$VERSION.tar
        if [[ "$DISP_COUNT" -eq 1 ]]; then
            #命名规则：e_player-{single或dual}-{00(设备型号)}-{TAG_TYPE}-{VERSION}.tar
            RELEASE_FILE="$ROOT_DIR/release/e_player-single-00-$TAG_TYPE-$VERSION.tar"
            # 删除旧版本的发布包文件
            #echo "正在删除旧版本发布包..."
            #rm -rf "$ROOT_DIR/release/e_player-single-*"
            #rm -f "$ROOT_DIR/release/e_player-single-*.tar" "$ROOT_DIR/release/e_player-single-*.tar.md5"
        else
            RELEASE_FILE="$ROOT_DIR/release/e_player-dual-00-$TAG_TYPE-$VERSION.tar"
            # 删除旧版本的发布包文件
            #echo "正在删除旧版本发布包..."
            #rm -f "$ROOT_DIR/release/e_player-dual-*.tar" "$ROOT_DIR/release/e_player-dual-*.tar.md5"
        fi
        #RELEASE_FILE="$ROOT_DIR/release/e_player-$VERSION.tar"
        mkdir -p "$ROOT_DIR/release"
        
        echo "正在创建发布包: $RELEASE_FILE"
        tar -cvf "$RELEASE_FILE" -C "$TEMP_DIR" .
        
        # 计算MD5校验值
        md5sum "$RELEASE_FILE" > "$RELEASE_FILE.md5"
        
        # 清理临时目录
        rm -rf "$TEMP_DIR"
        
        echo "发布包创建完成:"
        echo "  - 主文件: $RELEASE_FILE"
        echo "  - 校验文件: $RELEASE_FILE.md5"

    fi
else
    echo "[WARN] 构建流程结束，但未在预期路径找到可执行文件。"
fi



#拷贝 / 打包 / OTA
#
#./build.sh           # Release
#./build.sh Debug     # Debug

#scp build-arm/bin/e_player root@TARGET_IP:/usr/bin/
#ssh root@TARGET_IP 'chmod +x /usr/bin/e_player && sync'
#
#