#!/bin/bash
set -eu

source .fonctions       # Charge les fonctions génériques habituellement utilisées dans le script

# Récupère les infos de l'application.
app=$YNH_APP_INSTANCE_NAME

# Source app helpers
source /usr/share/yunohost/helpers

domain=$(ynh_app_setting_get $app domain)
path=$(ynh_app_setting_get $app path)
admin=$(ynh_app_setting_get $app admin)
final_path=$(ynh_app_setting_get $app final_path)
db_pwd=$(ynh_app_setting_get $app mysqlpwd)
db_user=$(ynh_app_setting_get $app db_user)

CHECK_PATH      # Vérifie et corrige la syntaxe du path.

# We make the app retro-compatible with previous versions
if [[ -z "$final_path" ]];
then
   final_path="/var/www/$app"
   ynh_app_setting_set "$app" final_path "$final_path"
else
   echo "${final_path} exists, we don't create it."
fi

# In older version, db_user was always phpmyadmin
if [[ -z "$db_user" ]];
then
   db_user="phpmyadmin"
   ynh_app_setting_set "$app" db_user "$db_user"
else
   echo "${db_user} exists, we don't create it."
fi

# In older version, the admin setting was admin_user
if [[ -z "$admin" ]]; then
   admin=$(ynh_app_setting_get $app admin_user)
   ynh_app_setting_set "$app" admin "$admin"
   ynh_app_setting_delete $app admin_user
fi


# Copy files to the right place
version=$(cat ../sources/upstream_version)
sudo wget -nv https://files.phpmyadmin.net/phpMyAdmin/$version/phpMyAdmin-$version-all-languages.tar.gz -O phpMyAdmin-$version-all-languages.tar.gz
sudo wget -nv https://files.phpmyadmin.net/phpMyAdmin/$version/phpMyAdmin-$version-all-languages.tar.gz.sha256 -O phpMyAdmin-$version-all-languages.tar.gz.sha256
sudo sha256sum -c phpMyAdmin-$version-all-languages.tar.gz.sha256 --status || (echo "Corrupt source" >&2 && false)
sudo tar xzf phpMyAdmin-$version-all-languages.tar.gz -C ../sources/  > /dev/null 2>&1
sudo cp  -r ../sources/phpMyAdmin-$version-all-languages/. "$final_path"

# Update tables

# Handle upgrade from a version before latest version
# Ignore warnings and failures that will occur if already on latest version
sudo sed -i "s@phpmyadmin@$db_user@g" $final_path/sql/upgrade_column_info_4_3_0+.sql
sudo mysql -u $db_user -p$db_pwd < $final_path/sql/upgrade_column_info_4_3_0+.sql 2>&1 > /dev/null || true

# Upgrade from last version (don't ignore failures)
sudo sed -i "s@phpmyadmin@$db_user@g" $final_path/sql/upgrade_tables_4_7_0+.sql
sudo mysql -u $db_user -p$db_pwd < $final_path/sql/upgrade_tables_4_7_0+.sql
sudo sed -i "s@phpmyadmin@$db_user@g" $final_path/sql/create_tables.sql
sudo mysql -u $db_user -p$db_pwd < $final_path/sql/create_tables.sql

# 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
sudo cp ../conf/config.inc.php $final_path

# Files owned by root, www-data can just read
echo "Setting permission..."
sudo chown -R root: $final_path
sudo find $final_path -type f -exec chmod 644 {} \;
sudo find $final_path -type d -exec 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@$app@g" ../conf/nginx.conf
nginxconf=/etc/nginx/conf.d/$domain.d/$app.conf
sudo cp ../conf/nginx.conf $nginxconf
sudo chown root: $nginxconf
sudo chmod 644 $nginxconf

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

# We grant access to admin only
sudo yunohost app addaccess --users=$admin $app

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