#!/bin/bash

# Retrieve arguments
domain=$(sudo yunohost app setting wordpress domain)
path=$(sudo yunohost app setting wordpress path)
admin_wordpress=$(sudo yunohost app setting wordpress admin)
language=$(sudo yunohost app setting wordpress language)
is_public=$(sudo yunohost app setting wordpress is_public)

root_pwd=$(sudo cat /etc/yunohost/mysql)

db_name=wordpress

if [[ "$admin_wordpress" = "" ]];
then
    mysql -u root -p$root_pwd $db_name -e "select MAX(user_login) from wp_users where user_status=0 INTO OUTFILE '/tmp/wordpressuser';"
    admin_wordpress=$(cat /tmp/wordpressuser)
    sudo rm -f /tmp/wordpressuser
fi

if [[ "$language" = "" ]];
then
    language=$(sudo grep WPLANG /var/www/wordpress/wp-config.php | cut -d"'" -f4)
fi

if [[ "$is_public" = "" ]];
then
    mysql -u root -p$root_pwd $db_name -e "select option_value from wp_options WHERE option_name='active_plugins' INTO OUTFILE '/tmp/wordpressispublic';"
    grep -q http-authentication /tmp/wordpressispublic
    if [[ $? -eq 0 ]];
    then
        is_public=Yes
    else
        is_public=No
    fi
    sudo rm -f /tmp/wordpressispublic
fi

# Check if admin is not null
if [[ "$admin_wordpress" = "" || "$is_public" = "" || "$language" = "" ]]; then
    echo "Unable to upgrade, please contact support"
    exit 1
fi

# Generate random password
db_pwd=$(sudo yunohost app setting wordpress mysqlpwd)

# Use 'wordpress' as database name and user
db_user=wordpress

### Execute potential SQL statements here

# Copy files to the right place
final_path=/var/www/wordpress
sudo mkdir -p $final_path
sudo cp -a ../sources/* $final_path
sudo cp ../conf/wp-config.php $final_path/wp-config.php

# Change variables in Wordpress configuration
sudo sed -i "s/yunouser/$db_user/g" $final_path/wp-config.php
sudo sed -i "s/yunopass/$db_pwd/g" $final_path/wp-config.php
sudo sed -i "s/yunobase/$db_user/g" $final_path/wp-config.php
for i in 1 2 3 4 5 6 7 8
do
    j=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{40\}\).*/\1/p')
    if [ "$j" = "" ];
    then
        # For obscure reasons, the loop is too fast at execution
        sleep 1
        j=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d '[A-Za-z0-9]' | sed -n 's/\(.\{40\}\).*/\1/p')
    fi
    sudo sed -i "s/KEY$i/$j/g" $final_path/wp-config.php
done
sudo sed -i "s/I18NTOCHANGE/$language/g" $final_path/wp-config.php
sudo sed -i "s@URLWORDPRESS@$domain$path@g" ../conf/*.sql

# Set permissions to roundcube directory
sudo chown -R www-data: $final_path

# Modify Nginx configuration file and copy it to Nginx conf directory
sed -i "s@PATHTOCHANGE@$path@g" ../conf/nginx.conf*
sed -i "s@ALIASTOCHANGE@$final_path/@g" ../conf/nginx.conf*

if [ $is_public = "Yes" ];
then
    sudo cp ../conf/nginx.conf-public /etc/nginx/conf.d/$domain.d/wordpress.conf
    grep -q "define('FORCE_SSL_ADMIN', true);" $final_path/wp-config.php
    if [[ ! $? -eq 0 ]];
    then
        echo "define('FORCE_SSL_ADMIN', true);" | sudo tee -a $final_path/wp-config.php
    fi
else
    sudo cp ../conf/nginx.conf /etc/nginx/conf.d/$domain.d/wordpress.conf
fi

# Reload Nginx
sudo service nginx reload