#!/bin/bash

# Add this at the begining of all scripts.
if [ -f "include/startup.sh" ]; then
    . include/startup.sh
elif [ -f "../include/startup.sh" ]; then
    . ../include/startup.sh
fi

replaceAdPass() {
	changePassScript="$REPO_DIR/change_admin_password.rb"
	echo "Writing password change script to $changePassScript..."
	touch $changePassScript
	cat <<_EOF_ > $changePassScript
#!/usr/bin/env ruby

require_relative 'config/environment'
admin_user = User.where(admin: true).first

if admin_user.nil?
  puts "Admin user not found!"
  exit 1

else
  admin_user.password = ENV['NEW_ADMIN_PASSWORD']
  admin_user.password_confirmation = ENV['NEW_ADMIN_PASSWORD']
  admin_user.must_change_passwd = false

  if admin_user.save
    puts "Password updated successfully."
	
  else
    puts "Failed to update password: #{admin_user.errors.full_messages.join(", ")}"
    exit 1
  end
end
_EOF_

	# Replace default admin password
	echo "Replacing default admin password..."
	RAILS_ENV=production NEW_ADMIN_PASSWORD='${ADMINPASSWORD}' rails runner $changePassScript
	
	echo "Removing $changePassScript..."
	rm -f $changePassScript
	
}

# Variables
DB_REDMINE_PASS="redmine"
REPO_URL="https://www.redmine.org/releases/redmine-5.1.1.tar.gz"
REPO_DIR="/opt/redmine"
WEBAPP_CONF="/etc/apache2/sites-available"

# Update system and install required packages
apt-get update
apt-get install -y libmysqlclient-dev apt-transport-https

# Secure MySQL and set up Redmine database
mysql --user=root <<_EOF_
DELETE FROM mysql.user WHERE User='';
CREATE DATABASE redmine CHARACTER SET utf8mb4;
CREATE USER 'redmine'@'localhost' IDENTIFIED BY '${DB_REDMINE_PASS}';
GRANT ALL PRIVILEGES ON redmine.* TO 'redmine'@'localhost';
FLUSH PRIVILEGES;
_EOF_

# Install Redmine
mkdir -p ${REPO_DIR}
curl -s ${REPO_URL} | sudo tar xz -C ${REPO_DIR} --strip-components=1

# Configuring permissions
echo "Configuring permissions..."
chown -R www-data:www-data /opt/redmine/

cd ${REPO_DIR}
# Configure database connection
cat <<_EOF_ > ${REPO_DIR}/config/database.yml
production:
  adapter: mysql2
  database: redmine
  host: localhost
  username: redmine
  password: "${DB_REDMINE_PASS}"
  encoding: utf8mb4
_EOF_

# Install gems
gem install bundler
bundle config set --local without 'development test'
bundle install

# Prepare the database
bundle exec rake generate_secret_token
RAILS_ENV=production bundle exec rake db:migrate
RAILS_ENV=production REDMINE_LANG=en bundle exec rake redmine:load_default_data

# Install ImageMagic for Redmine
echo "Installing ImageMagic & ghostscript..."
apt update
apt install -y imagemagick libmagickwand-dev
convert -version
apt install -y ghostscript

#replaceAdPass
echo "Writing apache configuration file..."
cat <<_EOF_ > $WEBAPP_CONF/redmine.conf
<VirtualHost *:80>
    ServerName _
    DocumentRoot ${REPO_DIR}/public
    <Directory ${REPO_DIR}/public>
        Allow from all
        Options -MultiViews
        Require all granted
    </Directory>
</VirtualHost>

<IfModule mod_ssl.c>
<VirtualHost *:443>
    ServerName _
    DocumentRoot ${REPO_DIR}/public

    SSLEngine on
    SSLCertificateFile /etc/ssl/certs/apache-selfsigned.crt
    SSLCertificateKeyFile /etc/ssl/private/apache-selfsigned.key

    <Directory ${REPO_DIR}/public>
        Allow from all
        Options -MultiViews
        Require all granted
    </Directory>
</VirtualHost>
</IfModule>
_EOF_


# Enable Redmine site, disable default site
echo "Enabling redmine site & disabling defaults..."
a2ensite redmine
a2dissite installProgress
systemctl reload apache2

echo "Redmine installation is complete."