#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --time --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)
admin=$(ynh_app_setting_get --app=$app --key=admin)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
language=$(ynh_app_setting_get --app=$app --key=language)
is_public=$YNH_APP_ARG_IS_PUBLIC

db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
db_user=$db_name

api_secret=$(ynh_app_setting_get --app=$app --key=api_secret)
app_key=$(ynh_app_setting_get --app=$app --key=app_key)
phantomjs_key=$(ynh_app_setting_get --app=$app --key=phantomjs_key)
email_firstname=$(ynh_app_setting_get --app=$app --key=email_firstname)
email_lastname=$(ynh_app_setting_get --app=$app --key=email_lastname)
email=$(ynh_app_setting_get --app=$app --key=email)


#=================================================
# 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)..."

# 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..." --time --weight=1

# 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..." --time --weight=1

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

# FIXME: this should be managed by the core in the future
# Here, as a packager, you may have to tweak the ownerhsip/permissions
# such that the appropriate users (e.g. maybe www-data) can access
# files in some cases.
# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
# this will be treated as a security issue.
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading dependencies..."

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# ADD A CRON JOB
#=================================================
ynh_script_progression --message="Adding a cron job..."

ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/$app"
chown root: "/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

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

# Create a dedicated nginx config
ynh_add_nginx_config
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

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

# Create a dedicated php-fpm config
ynh_add_fpm_config --package="$extra_php_dependencies"

#=================================================
# UPDATE A CONFIG FILE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
       ynh_script_progression --message="Updating a configuration file..."

       ynh_add_config --template="default.env" --destination="$final_path/.env"

       chmod 400 "$final_path/.env"
       chown $app:$app "$final_path/.env"
fi

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

ynh_script_progression --message="Upgrading the database..."

pushd "$final_path"
	# Put the application into maintenance mode
	php$phpversion artisan down --no-interaction --verbose

	# Optimize the framework for better performance
	php$phpversion artisan optimize --no-interaction --verbose

	# Run the database migrations
	php$phpversion artisan migrate --force --no-interaction --verbose

	# Bring the application out of maintenance mode
	php$phpversion artisan up --no-interaction --verbose
popd

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

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

ynh_systemd_action --service_name=nginx --action=reload

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

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