#!/bin/bash
BAK_Project=Gitea_ED
USER=`whoami`
LOG_Folder="_LOG"
LOG1=/ED/$BAK_Project/Script_$BAK_Project/_LOG/${BAK_Project}backup-Script_${BAK_Project}.log
TS=`date +"%Y%m%d-%H%M%S"`
Bak_Folder="/ED/${BAK_Project}/Backup_file"
Bak_File_Name=$Bak_Folder/Script_${BAK_Project}.tar
Bak_File_Name_TS=$Bak_Folder/Script_${BAK_Project}-$TS.tar

BAK_Disk_A_Mount_Point="/BAK_Disk_A"
BAK_Disk_A_Hostname_Folder="$BAK_Disk_A_Mount_Point/`hostnamectl | grep "Static hostname" | awk '{print $NF}'`"
BAK_Disk_A_Script_BAK_Folder="$BAK_Disk_A_Hostname_Folder/${BAK_Project}/Backup_file"
BAK_Disk_A_Script_Bak_File_Name_TS="$BAK_Disk_A_Script_BAK_Folder/Script_${BAK_Project}-$TS.tar"
BAK_Disk_B_Mount_Point="/BAK_Disk_B"
BAK_Disk_B_Hostname_Folder="$BAK_Disk_B_Mount_Point/`hostnamectl | grep "Static hostname" | awk '{print $NF}'`"
BAK_Disk_B_Script_BAK_Folder="$BAK_Disk_B_Hostname_Folder/${BAK_Project}/Backup_file"
BAK_Disk_B_Script_Bak_File_Name_TS="$BAK_Disk_B_Script_BAK_Folder/Script_${BAK_Project}-$TS.tar"

Target_Folder=/ED/${BAK_Project}/Script_${BAK_Project}


##### Func
CHK_LOG_Folder (){
   ls /ED/${BAK_Project}/Script_${BAK_Project}/_LOG > /dev/null 2>&1
   if [[ $? != 0 ]]; then
      sudo mkdir -p /ED/${BAK_Project}/Script_${BAK_Project}/_LOG
      sudo chown $USER:$USER /ED/${BAK_Project}/Script_${BAK_Project}/_LOG
   fi
}

CHK_Bak_Folder (){
   ls $Bak_Folder > /dev/null 2>&1
   if [[ $? == 0 ]]; then
      echo -e "\033[34mPass. Backup file saving folder: $Bak_Folder exist, go next.\033[0m"
   else
      echo -e "\033[31mThere is no Backup file saving folder: $Bak_Folder, next will create a new one automatically.\033[0m"
      sudo mkdir -p $Bak_Folder
      sudo chown $USER:$USER $Bak_Folder
   fi
}

TAR_File (){
   tar cvf  $Bak_File_Name $Target_Folder > /dev/null 2>&1
   if [[ $? == 0 ]]; then
      echo -e "\033[34mPass. tar Script_${BAK_Project} file OK.\033[0m" 
      cp $Bak_File_Name $Bak_File_Name_TS
      if [[ $? == 0 ]]; then
	 echo -e "\033[34mPass. Make a copy file to \"$Bak_Folder\". Finished!\033[0m" 
      else
	 echo -e "\033[41;37mFail. Make a copy file to \"$Bak_Folder\" failed.\033[0m" 
      fi
   else
      echo -e "\033[41;37mFail. tar Script_${BAK_Project} file failed.\033[0m" 
   fi
}

CP_TO_BAK_Disk_A (){
   echo -e "\033[32mCopy the backup files to Backup_Disk_A...\033[0m"
   cp $Bak_File_Name $BAK_Disk_A_Script_Bak_File_Name_TS
   if [[ $? == 0 ]]; then
      echo -e "\033[34mPass. Copied to BAK_Disk_A. \033[0m"
   else
      echo -e "\033[41;37mFail. Copied to BAK_Disk_A. \033[0m"
   fi
}

CP_TO_BAK_Disk_B (){
   echo -e "\033[32mCopy the backup files to Backup_Disk_B...\033[0m"
   cp $Bak_File_Name $BAK_Disk_B_Script_Bak_File_Name_TS
   if [[ $? == 0 ]]; then
      echo -e "\033[34mPass. Copied to BAK_Disk_B. \033[0m"
   else
      echo -e "\033[41;37mFail. Copied to BAK_Disk_B. \033[0m"
   fi
}


echo -e "===== `date +"%Y/%m/%d %H:%M:%S"` ===== \033[45;37m$0\033[0m =====" | tee -a $LOG1
echo -e "\033[32mStart backup the Script_${BAK_Project} \033[0m" | tee -a $LOG1
CHK_LOG_Folder | tee -a $LOG1
CHK_Bak_Folder | tee -a $LOG1
TAR_File | tee -a $LOG1
#CP_TO_BAK_Disk_A | tee -a $LOG1
#CP_TO_BAK_Disk_B | tee -a $LOG1

echo | tee -a $LOG1

echo
echo -e "\033[33mLOG file:"
echo -e "   $LOG1\033[0m"
echo