#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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 $app is_public)
final_path=$(ynh_app_setting_get $app final_path)

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

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set $app is_public 1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set $app is_public 0
	is_public=0
elif [ -z "$is_public" ]; then
	if grep --quiet "unprotected_uris" "/etc/yunohost/apps/$app/settings.yml"
	then
		ynh_app_setting_set $app is_public 1
		is_public=1
	else
		ynh_app_setting_set $app is_public 0
		is_public=0
	fi
fi

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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# 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
#=================================================
# REMOVE OLD FILES
#=================================================

# ??? Maybe julienmalik can explain us why he would remove all this files.
# Clean all files and directory except the data directory 
ynh_secure_remove $final_path/cfg
ynh_secure_remove $final_path/CREDITS.md
ynh_secure_remove $final_path/i18n
ynh_secure_remove $final_path/index.php
ynh_secure_remove $final_path/js
ynh_secure_remove $final_path/README.md
ynh_secure_remove $final_path/tmp
ynh_secure_remove $final_path/CHANGELOG.md
ynh_secure_remove $final_path/css
ynh_secure_remove $final_path/favicon.ico
ynh_secure_remove $final_path/img
ynh_secure_remove $final_path/INSTALL.md
ynh_secure_remove $final_path/lib
ynh_secure_remove $final_path/robots.txt
ynh_secure_remove $final_path/tpl
ynh_secure_remove $final_path/data

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
chown -R root: $final_path
# Files owned by user specific can just read
find $final_path -type f | xargs chmod 644
find $final_path -type d | xargs chmod 755

# except for data and tmp subdir, where the user must have write permissions
mkdir -p $final_path/{data,tmp}
chown -R $app:root $final_path/{data,tmp}
chmod 700 $final_path/{data,tmp}

#=================================================
# SETUP SSOWAT
#=================================================

#=================================================
# SETUP SSOWAT
#=================================================

# If app is public, add url to SSOWat conf as skipped_uris
if [ $is_public -eq 1 ]; then
  # unprotected_uris allows SSO credentials to be passed anyway.
  ynh_app_setting_set "$app" unprotected_uris "/"
fi

#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx