#!/bin/bash

set -eu
source _common.sh
source /usr/share/yunohost/helpers

# manage script failure
ynh_abort_if_errors

# retrieve arguments
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 "$app" is_public)
filesize=$(ynh_app_setting_get "$app" filesize)
language=$(ynh_app_setting_get "$app" language)
admin_user=$(ynh_app_setting_get "$app" admin_user)
backup_core_only=$(ynh_app_setting_get "$app" backup_core_only)

# definie useful vars
final_path="/var/www/$app"
data_path="/home/yunohost.app/$app"
bozon_conf="$final_path/config.php"
bozon_auto_dropzone_php="$final_path/core/auto_dropzone.php"
nginx_conf="/etc/nginx/conf.d/$domain.d/$app.conf"
phpfpm_conf="/etc/php5/fpm/pool.d/$app.conf"

# use prior backup and restore on error only if backup feature exists on installed instance
if [ -f "/etc/yunohost/apps/$app/scripts/backup" ] ; then
  ynh_backup_before_upgrade # Backup the current version of the app
  ynh_clean_setup () {
      ynh_backup_after_failed_upgrade
  }
fi

# retrieve & save real/right value if argument was not saved as a app setting in a previous realease
if [ -z "$filesize" ]; then	# in old script filesize was not saved as a setting
	filesize=$(cat "$nginx_conf" | grep -Po "client_max_body_size \K.*?(?=;)")
	ynh_app_setting_set "$app" filesize "$filesize"
fi
if [ -z "$language" ]; then	# in old script language was not saved as a setting
	language=$(cat "$bozon_conf" | grep -Po "default_language='\K.*?(?=')")
	ynh_app_setting_set "$app" language "$language"
fi
if [ "$is_public" = "Yes" ]; then   # in old script is_public was not a boolean
	ynh_app_setting_set "$app" is_public 1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set "$app" is_public 0
	is_public=0
fi
if [ -z "$backup_core_only" ]; then	# in old script backup_core_only was not a setting
        ynh_app_setting_set "$app" backup_core_only 1
fi

# add required packages
ynh_install_app_dependencies "$PKG_DEPENDENCIES"

# create a dedicated system user
ynh_system_user_create "$app"

# download & unpack bozon
TMPDIR=$(mktemp -d)
ynh_setup_source "$TMPDIR"

# clean & copy files needed to final folder 
sudo find "$TMPDIR" -type f -name ".htaccess" | xargs sudo rm
if [ -e "$TMPDIR/.gitignore" ]; then
	for f in $(sudo cat "$TMPDIR/.gitignore") ; do 
		[ -e "$TMPDIR$f" ] && sudo rm -R "$TMPDIR$f"
	done
	sudo rm "$TMPDIR/.gitignore"
fi
[ -e "$TMPDIR/config.php" ] && sudo rm "$TMPDIR/config.php"
sudo cp -a "$TMPDIR/." "$final_path"
sudo rm -R "$TMPDIR"

# update config.php with 'max_length' line
case ${filesize: -1} in
		g|G)
			max_length=$((${filesize%?}*1024))
			;;
		*)
			max_length=${filesize%?}
			;;
	esac
sed -i "54i\$max_length=$max_length;" "$bozon_conf"

# set permissions
myynh_set_permissions

# configure nginx settings
myynh_add_nginx_config

# copy and set php-fpm configuration
myynh_add_fpm_config

# if app is private, remove url to SSOWat conf from skipped_uris
if [ $is_public -eq 0 ]
then
	ynh_app_setting_delete "$app" unprotected_regex # in old script unprotected_regex was used in place of protected_regex
	# escape magic chars in vars (lua magic chars are ().%+-*?[^$ according to https://www.lua.org/pil/20.2.html)
	domainluaregex=$(echo "$domain" | sed -e 's/[]().%+*?[^$[]/\%&/g' | sed -e 's/\-/\%&/g')
	pathluaregex=$([ "$path_url" == "/" ] || echo "$path_url" | sed -e 's/[]().%+*?[^$[]/\%&/g' | sed -e 's/\-/\%&/g')
	regexList="${domainluaregex}${pathluaregex}/index%.php$","${domainluaregex}${pathluaregex}/index%.php%?p=.*$"
	ynh_app_setting_set "$app" protected_regex "$regexList"
else
	ynh_app_setting_set "$app" unprotected_uris "/"
fi
sudo yunohost app ssowatconf

# Purge php sessions stored in /var/lib/php5/sessions
[ -x /usr/lib/php5/sessionclean ] && /usr/lib/php5/sessionclean