#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info "Loading installation settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
admin_user=$(ynh_app_setting_get $app admin_user)
upload_password=$(ynh_app_setting_get $app upload_password)
final_path=$(ynh_app_setting_get $app final_path)
is_public=$(ynh_app_setting_get $app is_public)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_print_info "Ensuring 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
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
#=================================================
ynh_print_info "Backing up the app before upgrading (may take a while)..."

# 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
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_print_info "Upgrading source files..."

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

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

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info "Making sure dedicated system user exists..."

# Create a dedicated user (if not existing)
ynh_system_user_create $app

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_print_info "Upgrading php-fpm configuration..."

# Create a dedicated php-fpm config
ynh_add_fpm_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# SET THE UPLOAD PASSWORD
#=================================================

jirafeauconfigfile="$final_path/lib/config.local.php"

ynh_backup_if_checksum_is_different "$final_path/lib/config.local.php"

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

# Set and save upload password, allowing an empty one
if [ -z "$upload_password" ]
then
    ynh_replace_string "__YNH_UPLOAD_PASSWORD__" "" "$jirafeauconfigfile"
	ynh_app_setting_set $app upload_password ""
else
    ynh_replace_string "__YNH_UPLOAD_PASSWORD__" "'$upload_password'" "$jirafeauconfigfile"
	ynh_app_setting_set $app upload_password "$upload_password"
fi

#=================================================
# CONFIGURE JIRAFEAU
#=================================================
ynh_print_info "Upgrading jirafeau configuration..."

var_root=/home/yunohost.app/$app

ynh_replace_string "__YNH_DOMAIN__" "$domain" "$jirafeauconfigfile"
if [ "$path_url" = "/" ]
then
	ynh_replace_string "__YNH_WWW_PATH__" "" "$jirafeauconfigfile"
else
	ynh_replace_string "__YNH_WWW_PATH__" "$path_url" "$jirafeauconfigfile"
fi
ynh_replace_string "__YNH_VAR_ROOT__" "$var_root" "$jirafeauconfigfile"
ynh_replace_string "__YNH_ADMIN_USER__" "$admin_user" "$jirafeauconfigfile"

# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum "$jirafeauconfigfile"

# Remove the install.php
rm $final_path/install.php

#=================================================
# GENERIC FINALISATION
#=================================================
# SECURING FILES AND DIRECTORIES
#=================================================

chown -R root: $final_path

mkdir -p $var_root/{files,links,async,block}
chown -R $app:root $var_root
chmod -R 700 $var_root

#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info "Upgrading SSOwat configuration..."

ynh_app_setting_set $app unprotected_uris "/"
if [ $is_public -eq 0 ]
then
	domain_regex=$(echo "$domain" | sed 's@-@.@g')
	[ "$path_url" = "/" ] && path_url=""
	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/$","$domain_regex$path_url/admin.php.*$"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx web server..."

systemctl reload nginx

#=================================================
# END OF SCRIPT
#=================================================

ynh_print_info "Upgrade of $app completed"