#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers


#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME
domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
is_public=$(ynh_app_setting_get --app=$app --key=is_public)
admin=$(ynh_app_setting_get $app admin)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)

#=================================================
# CHECK VERSION
#=================================================

### This helper will compare the version of the currently installed app and the version of the upstream package.
### $upgrade_type can have 2 different values
### - UPGRADE_APP if the upstream app version has changed
### - UPGRADE_PACKAGE if only the YunoHost package has changed
### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
### Not used yet in this script
upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set --app=$app --key=is_public --value=0
	is_public=0
fi

# If db_name doesn't exist, create it
if [ -z "$db_name" ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
	final_path=/var/www/$app
	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi


#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors


#=================================================
# CHECK THE PATH
#=================================================
# Normalize the URL path syntax
path_url=$(ynh_normalize_url_path $path_url)


#=================================================
#check for matlink's version - DEPRECATED - uninstall & reinstall
#=================================================
#deprecated - not maintained for more than a year...
#cat /etc/yunohost/apps/$app/status.json | grep "matlink"
#if [[ $?==0 ]]; then
  #add missing info in settings
#  final_path=/var/www/$app
#  db_name=emailPoubelle
#  ynh_app_setting_set $app db_name $db_name
#  ynh_app_setting_set $app final_path $final_path
  #install geoip dependencies
#  ynh_install_app_dependencies $pkg_dependencies
  #install locale packages
#  for i in $lang ; do
#    ynh_replace_string "# $i" "$i" /etc/locale.gen
#  done
#  locale-gen
  #change folder locale => lang as per src2.0
#  rm -rf $final_path/locale
#  mkdir -p $final_path/lang
  #add new index.php
#  cp ../conf/index_source.php $final_path/www/index.php
  #switch from previous (modified) conf.php to new one (emailpoubelle original)
#  cp ../src/conf-dist.php $final_path/conf-dist.new.php
  #insert domain in line 24, DB in line 31, DBUSER in line 32, etc.
#  rep=$(cat $final_path/conf.php | grep "^[^//]" | grep "define('DOMAIN',")
#  sed -i "24s/.*/${rep}/" $final_path/conf-dist.new.php
#  rep=$(cat $final_path/conf.php | grep "^[^//]" | grep "define('DB',")
#  sed -i "31s/.*/${rep}/" $final_path/conf-dist.new.php
#  rep=$(cat $final_path/conf.php | grep "^[^//]" | grep "define('DBUSER',")
#  sed -i "32s/.*/${rep}/" $final_path/conf-dist.new.php
#  rep=$(cat $final_path/conf.php | grep "^[^//]" | grep "define('DBPASS',")
#  sed -i "33s/.*/${rep}/" $final_path/conf-dist.new.php
  #replace old conf and process with install command
#  mv $final_path/conf.php $final_path/conf.php.old 
#  mv $final_path/conf-dist.new.php $final_path/conf.php
#  ynh_replace_string "define('DB', 'sqlite:'" "//define('DB', 'sqlite:'" $final_path/conf.php
#  ynh_replace_string "define('ALIASLIMITBYMAIL" "//define('ALIASLIMITBYMAIL" $final_path/conf.php
#  #setting conf file not world-readable (dude, there is a plain-text password !)
#  sudo chmod o-r $final_path/conf.php
#fi

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_print_info "Upgrading nginx web server configuration..."

ynh_backup_if_checksum_is_different "/etc/nginx/conf.d/$domain.d/$app.conf"

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_print_info "Installing dependencies"
ynh_install_app_dependencies $pkg_dependencies

#=================================================
#UPDATE SETTINGS
#=================================================

#mysqlpwd setting was implemented in ynh2 - check if saved and if not implement
db_pass=$(ynh_app_setting_get $app mysqlpwd)
if [ -z $db_pass ]; then
#c'est moche mais ça fera bien l'affaire - en deux lignes sinon pb en fonction du type de shell
  t=$(cat /var/www/$app/conf.php | grep DBPASS)
  db_pass=${t:26:24}
  ynh_app_setting_set $app mysqlpwd $db_pass
fi

#=================================================
#INSTALL SOURCES
#===============================================

ynh_print_info "Downloading sources to $final_path"
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"
cp ../conf/index_source.php $final_path/www/index.php
test -e $final_path/template-exemple
if [[ ! $? -eq 0 ]]; then
  ln -s $final_path/www/template-exemple $final_path/template-exemple
fi

#Temporaire - mettre en config
if [ ! -e $final_path/lang/fr_FR ]; then
ln -s $final_path/lang/fr $final_path/lang/fr_FR
fi
if [ ! -e $final_path/lang/it_IT ]; then
ln -s $final_path/lang/it $final_path/lang/it_IT
fi

#setting postfix to use virtual aliases file
# Add postfix configuration hook and regen postfix conf
cp -R ../sources/hooks/conf_regen/98-postfix_emailpoubelle /usr/share/yunohost/hooks/conf_regen/
yunohost service regen-conf postfix

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

chown -R www-data:www-data $final_path


#=================================================
# RELOAD SERVICES
#=================================================
ynh_systemd_action --service_name=php7.0-fpm --action=restart
ynh_systemd_action --service_name=nginx --action=reload
ynh_systemd_action --service_name=postfix --action=reload