#!/bin/bash
#
# Configure environment
#    Copyright (C) 2017  AleaJactaEst
#
#    This program is free software: you can redistribute it and/or modify
#    it under the terms of the GNU Affero General Public License as published by
#    the Free Software Foundation, either version 3 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU Affero General Public License for more details.
#
#    You should have received a copy of the GNU Affero General Public License
#    along with this program.  If not, see <https://www.gnu.org/licenses/>.

usage()
{
cat << EOF
usage:$0 [options]
  prepare mysql (create directory, update configuration)

options:
  -h, --help              : Show this help
  -d, --debug             : Show debug message
EOF
}

#####################
# MAIN
#####################
source /opt/servercontainer_function.sh
msg_info "$(basename $0) => START"

while test $# -gt 0
do
   case "$1" in
      -h|--help)
         usage
         exit 1
         ;;
      -d|--debug)
         set_debug 1
         shift
         ;;
      *)
         msg_error "options '$1' not recognize"
         usage
         exit 1
         ;;
   esac
done

####################################
# Load Environment
####################################
msg_debug "Load environment"
if [[ ! -f /opt/khanat_config.sh ]]
then
   msg_error "Missing /opt/khanat_config.sh"
   exit 2
fi
source /opt/khanat_config.sh

####################################
# configure shard.sh
####################################
msg_info "configure shard.sh"
cat << EOF > /opt/shard.sh
# bashrc: executed by bash(1) for non-login shells.

# You may uncomment the following lines if you want 'ls' to be colorized:
export SHELL=/bin/bash
export LS_OPTIONS='--color=auto'
eval "\`dircolors\`"
alias ls='ls \$LS_OPTIONS'
alias ll='ls \$LS_OPTIONS -l'
alias l='ls \$LS_OPTIONS -lA'

# Some more alias to avoid making mistakes:
# alias rm='rm -i'
# alias cp='cp -i'
# alias mv='mv -i'

# Autocompletion
if [ -f /etc/bash_completion ]; then
   . /etc/bash_completion
fi

export KHANAT_HOME=/home/gameserver
export KHANAT_PATH=/home/gameserver/khanat
export PATH=\$PATH:/usr/local/bin:/usr/local/sbin
export PATCH_CLIENT_SYSTEM=\$KHANAT_HOME/khanat/patch_service

export DIRCLIENT="$DIRCLIENT"
export PACKAGECLIENT="$PACKAGECLIENT"
export PREPARE_CLIENT_DIR="khanat/prepare_client/\$DIRCLIENT"
export CLIENT_DIR="khanat/client_service"
export HOME_PREPARE_CLIENT="\$KHANAT_HOME/\$PREPARE_CLIENT_DIR"
export HOME_CLIENT="\$KHANAT_HOME/\$CLIENT_DIR"
EOF


####################################
# Initialize bashrc gameserver
####################################
msg_info "configure bashrc"
cat << EOF > /home/gameserver/.bashrc
# bashrc: executed by bash(1) for non-login shells.

# You may uncomment the following lines if you want 'ls' to be colorized:
export SHELL=/bin/bash
export LS_OPTIONS='--color=auto'
eval "\`dircolors\`"
alias ls='ls \$LS_OPTIONS'
alias ll='ls \$LS_OPTIONS -l'
alias l='ls \$LS_OPTIONS -lA'

# Some more alias to avoid making mistakes:
# alias rm='rm -i'
# alias cp='cp -i'
# alias mv='mv -i'

# Autocompletion
#if [ -f /etc/bash_completion ]; then
#    . /etc/bash_completion
#fi

export KHANAT_HOME=/home/gameserver
export KHANAT_PATH=/home/gameserver/khanat
export PATH=\$PATH:/usr/local/bin
export PATCH_CLIENT_SYSTEM=\$KHANAT_HOME/khanat/patch_service

export DIRCLIENT="$DIRCLIENT"
export PACKAGECLIENT="$PACKAGECLIENT"
export PREPARE_CLIENT_DIR="khanat/prepare_client/\$DIRCLIENT"
export CLIENT_DIR="khanat/client_service"
export HOME_PREPARE_CLIENT="\$KHANAT_HOME/\$PREPARE_CLIENT_DIR"
export HOME_CLIENT="\$KHANAT_HOME/\$CLIENT_DIR"

EOF
chown gameserver:$(id -g -n gameserver) /home/gameserver/.bashrc


# load environment
source /home/gameserver/.bashrc

####################################
# Initialize bashrc (for root)
####################################
msg_debug "Configure bashrc (for root)"
cat << EOF > /root/.bashrc
# bashrc: executed by bash(1) for non-login shells.

# You may uncomment the following lines if you want 'ls' to be colorized:
export SHELL=/bin/bash
export LS_OPTIONS='--color=auto'
eval "\`dircolors\`"
alias ls='ls \$LS_OPTIONS'
alias ll='ls \$LS_OPTIONS -l'
alias l='ls \$LS_OPTIONS -lA'

# Some more alias to avoid making mistakes:
# alias rm='rm -i'
# alias cp='cp -i'
# alias mv='mv -i'

# Autocompletion
if [ -f /etc/bash_completion ]; then
      . /etc/bash_completion
fi

cat << ENDOFCOMMENT
+--------------------------+
|    KHANAT SERVER DOCKER  |
+--------------------------+

Version: \$(cat /home/gameserver/version.txt)

IP:\$(hostname -i)

WEB : http://\$(hostname -i)/
SSH : ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no gameserver@\$(hostname -i)

+------------+----------+-------------------+
|   Account  | Password | Where             |
+------------+----------+-------------------+
| gameserver | khanat   | ssh/terminal      |
| root       |          | mysql/phpmyadmin  |
| admin      | admin    | khaganat (admin)  |
| tester     | tester   | khaganat (player) |
+------------+----------+-------------------+

Use 'sudo bash' to connect on root (ssh/terminal)

-----------------------------------------
SCREEN
--------
<Control>+A+N : next windows
<Control>+A+P : previous windows
<Control>+A+0 : windows 0 (terminal)
<Control>+A+1 : windows 1 (AES)
-----------------------------------------
To launch server : go to windows AES and ENTER
-----------------------------------------
ENDOFCOMMENT
EOF

####################################
# Adding sudo command
####################################

# Update sudo rule (you can execute all command as root)
msg_debug "Configure sudo"
cat << EOF > /etc/sudoers.d/gameserver
# User privilege specification
gameserver  ALL=NOPASSWD: ALL
EOF

####################################
# LOGING HEADER
####################################
# Message see when connect on ssh

# Before login
msg_debug "Configure message login"
cat << EOF > /etc/issue.net
************************
* KHANAT SERVER DOCKER *
************************

+------------+----------+-------------------+
|   Account  | Password | Where             |
+------------+----------+-------------------+
| gameserver | khanat   | ssh/terminal      |
+------------+----------+-------------------+

EOF

# After Login
msg_debug "Configure banner"
cat << EOF > /etc/motd
***************************************************
EOF

# After Login and on gameserver (can use bash and other command)
# Bash_profile
cat << EOF > /home/gameserver/.bash_profile
cat << ENDOFCOMMENT
+--------------------------+
|    KHANAT SERVER DOCKER  |
+--------------------------+

Version: \$(cat /home/gameserver/version.txt)

IP:\$(hostname -i)

WEB : http://\$(hostname -i)/
SSH : ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no gameserver@\$(hostname -i)

+------------+----------+-------------------+
|   Account  | Password | Where             |
+------------+----------+-------------------+
| gameserver | khanat   | ssh/terminal      |
| root       |          | mysql/phpmyadmin  |
| admin      | admin    | khaganat (admin)  |
| tester     | tester   | khaganat (player) |
+------------+----------+-------------------+

Use 'sudo bash' to connect on root (ssh/terminal)
---------------------------------------------------
log khanat server : /home/gameserver/khanat/server/log/log.log
***************************************************
ENDOFCOMMENT
EOF
chown gameserver:gameserver /home/gameserver/.bash_profile

# Activate banner
msg_debug "Activate banner"
sed -i 's/^[#]*[[:space:]]*Banner.*$/Banner \/etc\/issue.net/g' /etc/ssh/sshd_config


# Define default version (empty)
touch /home/gameserver/version.txt
chown gameserver:gameserver /home/gameserver/version.txt
chmod uga+wr /home/gameserver/version.txt

# Initialize ssh
/etc/init.d/ssh restart

####################################
# End
####################################
msg_info "$(basename $0) => END"