#!/bin/bash

# Retrieve arguments
domain=$1
path=$2
admin=$3

# Check domain/path availability
sudo yunohost app checkurl $domain$path -a phpmyadmin
if [[ ! $? -eq 0 ]]; then
    exit 1
fi

# Check that admin user is an existing account
sudo yunohost user list --json | grep -q "\"username\": \"$admin\""
if [[ ! $? -eq 0 ]]; then
    echo "Error : the chosen admin user does not exist"
    exit 1
fi

# Copy files to the right place
version=$(cat ../conf/upstream_version)
final_path=/var/www/phpmyadmin
sudo rm -rf $final_path
sudo mkdir -p $final_path
echo "Downloading phpMyAdmin $version..."
sudo wget -O ../phpMyAdmin.tar.gz https://files.phpmyadmin.net/phpMyAdmin/$version/phpMyAdmin-$version-all-languages.tar.gz > /dev/null 2>&1
echo "Extracting to $final_path..."
sudo tar xvzf ../phpMyAdmin.tar.gz -C ..  > /dev/null 2>&1
sudo cp  -r ../phpMyAdmin-$version-all-languages/* $final_path

# Create db
echo "Setting up database..."
db_user=phpmyadmin
db_pwd=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d 'A-Za-z0-9' | sed -n 's/\(.\{24\}\).*/\1/p')
cookie_pwd=$(dd if=/dev/urandom bs=1 count=200 2> /dev/null | tr -c -d 'A-Za-z0-9' | sed -n 's/\(.\{24\}\).*/\1/p')
sed -i "s@YNH_PMA_USER@$db_user@g" ../conf/create_db.sql
sudo yunohost app initdb $db_user -p $db_pwd
mysql -u root -p$(sudo cat /etc/yunohost/mysql) < ../conf/create_db.sql
mysql -u $db_user -p$db_pwd < $final_path/sql/create_tables.sql
sudo yunohost app setting phpmyadmin mysqlpwd -v $db_pwd

# Configuration
echo "Configuring application..."
sed -i "s@YNH_DOMAIN@$domain@g" ../conf/config.inc.php
sed -i "s@YNH_PMA_USER@$db_user@g" ../conf/config.inc.php
sed -i "s@YNH_PMA_PASSWORD@$db_pwd@g" ../conf/config.inc.php
sed -i "s@YNH_MYSQL_ROOT_PASSWORD@$(sudo cat /etc/yunohost/mysql)@g" ../conf/config.inc.php
sed -i "s@YNH_COOKIE_PASSWD@$cookie_pwd@g" ../conf/config.inc.php
sudo cp ../conf/config.inc.php $final_path

sudo yunohost app addaccess phpmyadmin -u $admin
sudo yunohost app setting phpmyadmin admin -v $admin

# Files owned by root, www-data can just read
echo "Setting permission..."
sudo chown -R root: $final_path
sudo find $final_path -type f | xargs sudo chmod 644
sudo find $final_path -type d | xargs sudo chmod 755
# config.inc.php contains sensitive data, restrict its access
sudo chown root:www-data $final_path/config.inc.php
sudo chmod 640 $final_path/config.inc.php

# Modify Nginx configuration file and copy it to Nginx conf directory
echo "Setting up nginx configuration..."
sed -i "s@YNH_WWW_PATH@$path@g" ../conf/nginx.conf
sed -i "s@YNH_WWW_ALIAS@$final_path/@g" ../conf/nginx.conf
sed -i "s@NAMETOCHANGE@phpmyadmin@g" ../conf/nginx.conf
nginxconf=/etc/nginx/conf.d/$domain.d/phpmyadmin.conf
sudo cp ../conf/nginx.conf $nginxconf
sudo chown root: $nginxconf
sudo chmod 600 $nginxconf

# Add dedicated php-fpm to be able to upload bigger database
sed -i "s@NAMETOCHANGE@phpmyadmin@g" ../conf/php-fpm.conf
phpfpmconf=/etc/php5/fpm/pool.d/phpmyadmin.conf
sudo cp ../conf/php-fpm.conf $phpfpmconf
sudo chown root: $phpfpmconf
sudo chmod 644 $phpfpmconf

sudo service php5-fpm restart
sudo service nginx reload
sudo yunohost app ssowatconf