#!/bin/bash

# 默认版本值
VERSION="1.0.0"
# usage
usage() {
  echo "Usage: bash $0 [OPTION]"
  echo
  echo "Build Software Package OPTION:"
  echo "  -v                 Specify the version"
  echo "  -h                 Display this help message"
  echo
  exit 1
}
# 读取命令行参数
while [[ $# -gt 0 ]]; do
  case "$1" in
    -v) VERSION="$2"; shift 2 ;;  # 处理 -v 后面的版本
    *) usage ;;
  esac
done
# 输出结果
echo "Version: $VERSION"

# ===================

# 包管理器
get_manager() {
  if command -v rpm &> /dev/null; then
    echo "rpm"
  elif command -v dpkg &> /dev/null; then
    echo "deb"
  else
    echo "unknown manager"
    cat /etc/os-release
    exit 1
  fi
}
# 获取当前系统的包管理器
PACKAGE_MANAGER=$(get_manager)
echo "Package Manager: $PACKAGE_MANAGER"

# 架构
get_arch() {
  ARCH_UNAME=$(uname -m)
  case $ARCH_UNAME in
    x86_64) echo "amd64" ;;
    aarch64) echo "arm64" ;;
    i386|i686) echo "i386" ;;
    *)
      echo "unknown architecture: $ARCH_UNAME"
      exit 1
      ;;
  esac
}
# 获取当前系统的架构
PACKAGE_ARCH=$(get_arch)
echo "Architecture: $PACKAGE_ARCH"

# 操作系统名称
get_os_name() {
    if [ -f /etc/os-release ]; then
      . /etc/os-release
      # 检查 $ID 是否为空
      if [ -z "$ID" ]; then
          echo "ID is not defined in /etc/os-release"
          exit 1
      fi
      echo "$ID$VERSION_ID"
    else
      echo "unknown ID: /etc/os-release not found"
      exit 1
    fi
}
# 获取当前操作系统名称
OS_NAME=$(get_os_name)
echo "OS: $OS_NAME"

# ===================

# 编译日期
Date=`date +%Y%m%d`
# 脚本所在路径
RootDir=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
# 编译Linux目录
BuildLinuxDir=${RootDir}/linux
# 编译包管理目录
BuildPackagelDir=${RootDir}/pkg
# 编译目录
BuildDir=${RootDir}/tmp
# 发布包目录
ReleaseDir=${RootDir}/release/${PACKAGE_MANAGER}/${PACKAGE_ARCH}
# 发布包文件名称
ReleaseFileName=omc-r${VERSION}-${Date}-${OS_NAME}-${PACKAGE_ARCH}.${PACKAGE_MANAGER}

# ===================

# 应用文件处理 ./位于临时目录
app() {
  # 数据库脚本 common属于重建脚本
  modeList="std lite"
  for v in ${modeList}; do
    path=./usr/local/etc/omc/database/${v}
    cp -rf $path/common/* $path/install/
    cp -rf $path/common/* $path/upgrade/
    rm -rf $path/common
  done
}

# ===================

# deb包管理器
deb() {
  cd ${BuildDir}

  # 替换标签 {version} {arch}
  sed -i "s/{arch}/${PACKAGE_ARCH}/g" ./DEBIAN/control
  sed -i "s/{version}/${VERSION}/g" ./DEBIAN/control
  sed -i "s/{date}/${Date}/g" ./DEBIAN/control

  # 打包deb
  chmod 755 -R ${BuildDir}
  dpkg -b ${BuildDir} ${ReleaseDir}/${ReleaseFileName}

  # 生成MD5文件
  rm -f omc_md5sum.txt
  md5sum ${ReleaseDir}/${ReleaseFileName} >${ReleaseDir}/omc_md5sum.txt
  cat ${ReleaseDir}/omc_md5sum.txt
}

# rpm包管理器
rpm() {
  cd ${BuildDir}
  ARCH_UNAME=$(uname -m)
  # 替换标签 {version} {arch} {date}
  sed -i "s/{version}/${VERSION}/g" ./SPECS/omc.spec
  sed -i "s/{arch}/${ARCH_UNAME}/g" ./SPECS/omc.spec
  sed -i "s/{date}/${Date}/g" ./SPECS/omc.spec

  # 打包rpm
  chmod 755 -R ${BuildDir}
  rpmbuild -bb -D "_topdir ${BuildDir}" ${BuildDir}/SPECS/omc.spec
  # 移动rpm包到发布目录
  if [[ "$OS_NAME" == kylin* ]]; then # 麒麟系统有ky10标签
    mv ${BuildDir}/RPMS/${ARCH_UNAME}/omc-${VERSION}-${Date}.ky10.${ARCH_UNAME}.rpm ${ReleaseDir}/${ReleaseFileName}
  else
    mv ${BuildDir}/RPMS/${ARCH_UNAME}/omc-${VERSION}-${Date}.${ARCH_UNAME}.rpm ${ReleaseDir}/${ReleaseFileName}
  fi
  rm -rf ${BuildDir}/RPMS

  # 生成MD5文件
  rm -f omc_md5sum.txt
  md5sum ${ReleaseDir}/${ReleaseFileName} >${ReleaseDir}/omc_md5sum.txt
  cat ${ReleaseDir}/omc_md5sum.txt
}

# ===================
echo
echo "building omc..."
rm -rf ${BuildDir} && mkdir -p ${BuildDir}
cp -rf ${BuildPackagelDir}/${PACKAGE_MANAGER}/* ${BuildDir}
if [[ $PACKAGE_MANAGER = "deb" ]]; then
  cp -rf ${BuildLinuxDir}/* ${BuildDir}
  cd ${BuildDir}
  # 应用文件处理
  app
  # 打包
  deb
elif [[ $PACKAGE_MANAGER = "rpm" ]]; then
  cp -rf ${BuildLinuxDir}/* ${BuildDir}/BUILD
  cd ${BuildDir}/BUILD
  # 应用文件处理
  app
  # 打包
  rpm
else
  echo "unknown runing: $PACKAGE_MANAGER"
  exit 1
fi