#!/bin/bash

# Use find to locate all files with extensions .zip, .tar, or .tgz in /home
files=$(find . -maxdepth 1 -name "*.zip" -o -name "*.tar*" -o -name "*.tgz" -type f)
file1=$(find . -name "start.sh" -type f)

username=$(whoami)
mkdir -p lib/mongo
mkdir -p log/mongodb
PATTERN='$USER'

# Create the mongod.service file
cat << EOF > /home/$USER/mongod.service
[Unit]
Description=MongoDB Database Server
Documentation=https://docs.mongodb.org/manual
After=network-online.target
Wants=network-online.target

[Service]
User=$USER
Group=$USER
Environment="OPTIONS=-f /home/$USER/mongod.conf"
EnvironmentFile=-/etc/sysconfig/mongod
ExecStart=/usr/local/bin/mongod \$OPTIONS
ExecStartPre=/usr/bin/mkdir -p /var/run/mongodb
ExecStartPre=/usr/bin/chown $USER:$USER /var/run/mongodb
ExecStartPre=/usr/bin/chmod 0755 /var/run/mongodb
PermissionsStartOnly=true
PIDFile=/var/run/mongodb/mongod.pid
Type=fork
# file size
LimitFSIZE=infinity
# cpu time
LimitCPU=infinity
# virtual memory size
LimitAS=infinity
# open files
LimitNOFILE=64000
# processes/threads
LimitNPROC=64000
# locked memory
LimitMEMLOCK=infinity
# total threads (user+kernel)
TasksMax=infinity
TasksAccounting=false
# Recommended limits for mongod as specified in
# https://docs.mongodb.com/manual/reference/ulimit/#recommended-ulimit-settings

[Install]
WantedBy=multi-user.target

EOF

# Create the mongod.conf file
cat << EOF > /home/$USER/mongod.conf
# mongod.conf

# for documentation of all options, see:
#   http://docs.mongodb.org/manual/reference/configuration-options/

# where to write logging data.
systemLog:
  destination: file
  logAppend: true
  path: /home/$USER/log/mongodb/mongod.log

# Where and how to store data.
storage:
  dbPath: /home/$USER/lib/mongo
  journal:
    enabled: true
#  engine:
#  wiredTiger:

# how the process runs
processManagement:
  fork: true  # fork and run in background
  pidFilePath: /var/run/mongodb/mongod.pid  # location of pidfile
  timeZoneInfo: /usr/share/zoneinfo

# network interfaces
net:
  port: 27017
  bindIp: 127.0.0.1  # Enter 0.0.0.0,:: to bind to all IPv4 and IPv6 addresses or, alternatively, use the net.bindIpAll setting.


#security:

#operationProfiling:

#replication:

#sharding:

## Enterprise-Only Options

#auditLog:

#snmp:

EOF

# Display the list of matching files in a table
if [ -n "$files" ]; then
  echo "The following files were found:"
  printf '%-5s %-30s\n' "#" "Filename"
  echo "----------------------------------------"
  count=1
  for file in $files; do
    printf '%-5s %-30s\n' "$count" "$file"
    (( count++ ))
  done
else
  echo "No matching files were found."
  exit 1
fi

# Prompt the user to choose a file to extract, or extract all files by default
read -p "Enter the number of the file to extract (e.g. 1), or press Enter to extract all files: " file_num
if [ -n "$file_num" ]; then
  if [ "$file_num" -ge 1 ] && [ "$file_num" -le "$count" ]; then
    # Extract the chosen file based on its extension
    chosen_file=$(echo "$files" | sed -n "${file_num}p")
    case "$chosen_file" in
      *.zip)
        mkdir ~/amb
        unzip "$chosen_file" -d amb
        path_found=$(find . -name 'elx-stub.jar' -print -quit)
        path_audit=$(dirname $path_found)
        echo "$path_audit"
        path_real=$(echo "$path_audit" | sed 's|^./||')
        echo "$path_real"
	sed -i "s|$PATTERN|$username|g" $file1
        sed -i 's/external-host = ".*"/external-host = "localhost"/g; s/internal-host = ".*"/internal-host = "localhost"/g; s/mongodb = ".*"/mongodb = "localhost"/g' /home/$username/$path_real/etc/application.conf
        chmod +x /home/$username/$path_real/bin/run-server
        ;;
      *.tar*)
        mkdir ~/java17
        tar xvf "$chosen_file" -C java17
        ;;
      *.tgz)
        mkdir ~/mongo
        tar xvfz "$chosen_file" -C mongo
        ;;
      *)
        echo "Unknown file type"
        exit 1
        ;;
    esac
  else
    echo "Invalid file number"
    exit 1
  fi
else
  # Extract all files based on their extension
  for file in $files; do
    case "$file" in
      *.zip)
        mkdir ~/amb
        unzip "$file" -d amb
        path_found=$(find . -name 'elx-stub.jar' -print -quit)
        path_audit=$(dirname $path_found)
        echo "$path_audit"
        path_real=$(echo "$path_audit" | sed 's|^./||')
        echo "$path_real"
	sed -i "s|$PATTERN|$username|g" $file1
        sed -i 's/external-host = ".*"/external-host = "localhost"/g; s/internal-host = ".*"/internal-host = "localhost"/g; s/mongodb = ".*"/mongodb = "localhost"/g' /home/$username/$path_real/etc/application.conf
        chmod +x /home/$username/$path_real/bin/run-server
        ;;
      *.tar*)
        mkdir ~/java17
        tar xvf "$file" -C java17
        ;;
      *.tgz)
        mkdir ~/mongo
        tar xvfz "$file" -C mongo
        ;;
    esac
  done
fi

# Create the elx-ambience.service file
cat << EOF > /home/$USER/elx-ambience.service
#!/bin/sh
[Unit]
Description=Run mongod when machine reboot
After=network.target

[Service]
#Type=simple
User=$USER
WorkingDirectory=/home/$USER/$path_real/bin
ExecStart=/bin/bash /home/$USER/$path_real/bin/run-server
Restart=on-failure

[Install]
WantedBy=multi-user.target

EOF