#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
language=$(ynh_app_setting_get --app=$app --key=language)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
phpversion=$YNH_PHP_VERSION
redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
mail_pwd=$(ynh_string_random --length=12)

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

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1

# 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

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=2

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir=$final_path

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Create a temporary directory
	tmpdir="$(mktemp -d)"

	#cp -a "$final_path/.env " "$tmpdir/.env "
	[[ -f "$final_path/public/uploads" ]] && cp -a "$final_path/public/uploads" "$tmpdir/public/uploads/"
	[[ -f "$final_path/storage/uploads" ]] && cp -a "$final_path/storage/uploads" "$tmpdir/storage/uploads/"
		# Remove the app directory securely

	ynh_secure_remove --file=$final_path
	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$final_path"

	#cp -a "$tmpdir/.env " "$final_path/.env "
	[[ -f "$tmpdir/public/uploads" ]] && cp -a "$tmpdir/public/uploads/" "$final_path/public/uploads"
	[[ -f "$tmpdir/storage/uploads" ]] && cp -a "$tmpdir/storage/uploads/" "$final_path/storage/uploads"

	# Remove the tmp directory securely
	ynh_secure_remove --file="$tmpdir"

	ynh_add_config --template=../conf/.env.example --destination=$final_path/.env
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=3

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=1

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

#=================================================
# INSTALL LYCHEE WITH COMPOSER
#=================================================
ynh_script_progression --message="Installing BookStack with Composer..." --weight=5

# Install composer
ynh_install_composer --install_args="--no-dev"

#=================================================
# FINAL BOOKSTACK INSTALL
#=================================================
ynh_script_progression --message="Install BookStack" --weight=5

pushd $final_path
	php$phpversion artisan migrate --force
	php$phpversion artisan key:generate
	php$phpversion artisan cache:clear
	php$phpversion artisan config:clear
 	php$phpversion artisan view:clear
popd

chmod 755 $final_path
chmod -R o-rwx $final_path
chown -R $app:www-data $final_path
chmod 600 $final_path/.env

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Upgrade of $app completed" --last