#!/bin/bash

#### http://tech.tomgoren.com/archives/245
#### http://animebsd.net/archives/2528
#### http://trac.donmai.us/browser/danbooru/trunk/INSTALL.debian

#### root@danbooru:/var/www/danbooru# vim app/models/post_methods/file_methods.rb
#### sftp albert maskieren

if [ $USER != root ] ; then
  echo "You must run this script as root"
  exit 1
fi

echo "Danbooru Install"
echo "This script will install Ruby, Rails, PostgreSQL, Unicorn, and Nginx. By the end,"
echo "you should be able to connect to the server and create an account."
echo
echo "It will create a new user called danbooru which will run the Danbooru"
echo "processes. It will download the latest trunk copy or v1.16.0 and install it in"
echo "/var/www/danbooru. It will run unicorn, starting on port 8050"
echo
echo
echo -n "Enter the hostname for this server (ex: danbooru.donmai.us): "
read hostname

if [ -z $hostname ] ; then
  echo "Must enter a hostname"
  exit 1
fi

echo -n "Enter a name for the site (default: Danbooru): "
read sitename

if [ -z $sitename ] ; then
  sitename=Danbooru
fi

echo -n "Enter a path for danbooru (default: /var/www/danbooru): "
read danboorupath

if [ -z $danboorupath ] ; then
  danboorupath="/var/www/danbooru"
fi

echo -n "Which danbooru version? [trunk, 1.16.0, 1.18.0]"
read danbooruversion

if [ -z $danbooruversion ] ; then
  danbooruversion="1.16.0"
fi


# Install packages
echo "install required packages via apt-get"
apt-get -qq -y install sudo gcc g++ make libreadline5-dev zlib1g-dev flex bison libgd2-noxpm libgd2-noxpm-dev bzip2 postgresql-8.4 postgresql-contrib-8.4 libpq-dev ruby ruby1.8-dev ri irb rdoc rubygems ragel memcached libmemcache-dev subversion nginx rake libopenssl-ruby libxml2-dev libxslt-dev byobu vim htop

# Install Ruby gems
echo "install Ruby/Rails/Unicorn"

gem install hoe --version=2.2.0 --no-ri --no-rdoc

for i in postgres diff-lcs html5 unicorn memcache-client aws-s3 json mechanize net-sftp sys-cpu ; do gem install $i --no-ri --no-rdoc ; done

gem install rails --version=2.2.2 --no-ri --no-rdoc

# Create user account
echo "create danbooru user, allow db access"

useradd -m danbooru
PG_HBA_FILE="/etc/postgresql/8.4/main/pg_hba.conf"
echo "local    all         postgres,danbooru                              trust" > $PG_HBA_FILE
echo "host     all         postgres,danbooru          127.0.0.1/32        trust" >> $PG_HBA_FILE

if [ -f /etc/init.d/postgresql-8.4 ]; then /etc/init.d/postgresql-8.4 restart; else /etc/init.d/postgresql restart; fi

# Install Danbooru
cd /var/www

echo "installing danbooru source"

case "$danbooruversion" in
		1.16.0)	
				echo "installing version: 1.16.0"
				svn export svn://donmai.us/danbooru/tags/danbooru-1.16.0 danbooru
				;;
		1.18.0)
				echo "installing version: 1.18.0"
				svn export svn://donmai.us/danbooru/tags/danbooru-1.18.0 danbooru
				;;
		trunk)
				echo "installing version: trunk"
				svn export svn://donmai.us/danbooru/trunk danbooru
				;;
		tar16)	
				echo "deflating tgz danbooru-1.16.0.tgz"
				tar xfz /tmp/danbooru-1.16.0.tgz -C /var/www
				;;
		tar18)
				echo "deflating tgz danbooru-1.18.0.tgz"
				tar xfz /tmp/danbooru-1.18.0.tgz -C /var/www
				;;
esac

chown -R danbooru:danbooru danbooru
cd danbooru
mkdir -p public/data/sample
cd config
cp database.yml.example database.yml
cp local_config.rb.example local_config.rb
sed -i -e "s/DAN_HOSTNAME/$hostname/g" local_config.rb
sed -i -e "s/DAN_SITENAME/$sitename/g" local_config.rb
cd ../lib/danbooru_image_resizer
ruby extconf.rb
make
cd ../..

### Database anlegen
echo "installing danbooru database"

sudo -u postgres createuser -s danbooru
sudo -u danbooru createdb danbooru
sudo -u danbooru createdb danbooru_dev
sudo -u danbooru createdb danbooru_test
sudo -u danbooru psql danbooru < db/postgres.sql
sudo -u danbooru psql danbooru_dev < db/postgres.sql
sudo -u danbooru psql danbooru_test < db/postgres.sql


if [ "$danbooruversion" = "1.18.0" || "$danbooruversion" = "trunk" ]; then
	echo "initialising database"
	
	script/db-init.sh
	script/db-init.sh
	script/db-init.sh
	
	#### app/controller/application_controller in application umbenenen
	mv app/controllers/application_controller.rb app/controllers/application.rb
	#### config/envirnment.rb anpassen. ruby version rausnehmen
	sed -i -e "/^RAILS_GEM_VERSION/d" config/environment.rb
	### middle ware entfernen
	sed -i -e "/^config.middleware.use/d" config/environments/development.rb
fi

echo "initialising production database"
sudo -u danbooru RAILS_ENV=production rake db:migrate

# Set up nginx
echo "generating nginx danbooru conf"

nginx_danbooru_conf="/etc/nginx/sites-enabled/danbooru.conf"
echo 'server {' > $nginx_danbooru_conf
echo '  listen 80;' >> $nginx_danbooru_conf
echo "  server_name $hostname;" >> $nginx_danbooru_conf
echo '  location ~ /\.svn { deny all; }' >> $nginx_danbooru_conf
echo '  location / {' >> $nginx_danbooru_conf
echo "    root $danboorupath/public;" >> $nginx_danbooru_conf
echo '    try_files $uri /maintenance.html @danbooru;' >> $nginx_danbooru_conf
echo '    client_max_body_size 30m;' >> $nginx_danbooru_conf
echo '    expires max;' >> $nginx_danbooru_conf
echo '  }' >> $nginx_danbooru_conf
echo '  location @danbooru {' >> $nginx_danbooru_conf
echo '    proxy_set_header X-Real-IP $remote_addr;' >> $nginx_danbooru_conf
echo '    proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;' >> $nginx_danbooru_conf
echo '    proxy_set_header Host $http_host;' >> $nginx_danbooru_conf
echo '    proxy_redirect off;' >> $nginx_danbooru_conf
echo '    proxy_pass http://127.0.0.1:8050;' >> $nginx_danbooru_conf
echo '  }' >> $nginx_danbooru_conf
echo '}' >> $nginx_danbooru_conf

/etc/init.d/nginx restart

### unicorn config file
echo "generating unicorn danoobru conf"

mkdir /etc/unicorn
unicorn_conf="/etc/unicorn/danbooru.conf"
echo "RAILS_ROOT=$danboorupath" > $unicorn_conf
echo "RAILS_ENV=production" >> $unicorn_conf

### unicorn danbooru-config file
echo "generating danbooru unicorn conf"

danbooru_unicorn_conf="$danboorupath/config/unicorn.rb"
echo "app_path = \"$danboorupath\"" > $danbooru_unicorn_conf
echo -n >> $danbooru_unicorn_conf
echo 'listen 8050' >> $danbooru_unicorn_conf
echo 'worker_processes 2' >> $danbooru_unicorn_conf
echo 'pid "#{app_path}/tmp/pids/unicorn.pid"' >> $danbooru_unicorn_conf
echo 'stderr_path "#{app_path}/log/unicorn.log"' >> $danbooru_unicorn_conf
echo 'stdout_path "#{app_path}/log/unicorn.log"' >> $danbooru_unicorn_conf

### unicron init skript
echo "downloading unicorn init skript"

unicorn_rails_path="/var/lib/gems/1.8/bin/unicorn_rails"
cd /etc/init.d/
wget http://tech.tomgoren.com/wp-content/uploads/unicorn_init.gz
gunzip unicorn_init.gz
sed -i -e "s|/usr/local/bin/unicorn_rails|$unicorn_rails_path|g" unicorn_init
chmod +x unicorn_init
/etc/init.d/unicorn_init start

echo
echo
echo
echo "I'm done!"
echo "You should probably set the password for the danbooru account (run passwd danbooru)."