#!/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 $app path)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)

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

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

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

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

ynh_backup_before_upgrade	# Backup the current version of the app
ynh_clean_setup () {
	ynh_restore_upgradebackup	# restore it if the upgrade fails
}
ynh_abort_if_errors	# Active trap pour arrêter le script si une erreur est détectée.

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

# Remove old cron job
ynh_secure_remove "/etc/cron.d/$app"

#=================================================
# CHECK THE PATH
#=================================================

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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

# Create a temporary directory
tmpdir="$(ynh_smart_mktemp 10)"

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$tmpdir"

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config
if [ "$path_url" != "/" ]
then
	ynh_replace_string "^#sub_path_only" "" "/etc/nginx/conf.d/$domain.d/$app.conf"
fi
ynh_store_file_checksum "/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a system user
ynh_system_user_create $app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================

# Create a dedicated php-fpm config
ynh_add_fpm_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CONFIGURE TTRSS
#=================================================

# Backup the config file in the temp dir
cp -a "$final_path/config.php" "$tmpdir/config.php"

# Replace the old ttrss by the new one
ynh_secure_remove "$final_path"
mv "$tmpdir" "$final_path"
ynh_secure_remove "$tmpdir"

# Verify the checksum and backup the file if it's different
ynh_backup_if_checksum_is_different "$final_path/config.php"

cp ../conf/config.php "$final_path/config.php"

# Change variables in ttrss configuration
ynh_replace_string "__DBNAME__" "$db_name" "$final_path/config.php"
db_pwd=$(ynh_app_setting_get $app mysqlpwd)
ynh_replace_string "__DBPWD__" "$db_pwd" "$final_path/config.php"
ynh_replace_string "__DOMAINPATH__" "https://$domain$path_url" "$final_path/config.php"

# Recalculate and store the config file checksum into the app settings
ynh_store_file_checksum "$final_path/config.php"

#=================================================
# UPGRADE DATABASE
#=================================================

chown -R $app: $final_path
sudo -u $app php ${final_path}/update.php --update-schema

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

# Set permissions to app files
chown -R root: $final_path
chmod 0755 $final_path
chown -R $app $final_path/{cache,feed-icons,lock}

#=================================================
# UPGRADE SERVICE
#=================================================

ynh_add_systemd_config
systemctl restart $app

#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================

yunohost service add $app

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx