#!/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)
language=$(ynh_app_setting_get --app=$app --key=language)
admin=$(ynh_app_setting_get --app=$app --key=admin)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
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)

fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
fpm_free_footprint=$(ynh_app_setting_get --app=$app --key=fpm_free_footprint)
fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)

#=================================================
# 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

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1

# If fpm_footprint doesn't exist, create it
if [ -z "$fpm_footprint" ]; then
    fpm_footprint=low
    ynh_app_setting_set --app=$app --key=fpm_footprint --value=$fpm_footprint
fi

# If fpm_free_footprint doesn't exist, create it
if [ -z "$fpm_free_footprint" ]; then
    fpm_free_footprint=0
    ynh_app_setting_set --app=$app --key=fpm_free_footprint --value=$fpm_free_footprint
fi

# If fpm_usage doesn't exist, create it
if [ -z "$fpm_usage" ]; then
    fpm_usage=low
    ynh_app_setting_set --app=$app --key=fpm_usage --value=$fpm_usage
fi

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1

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

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

# Deactivate cron jobs
ynh_secure_remove --file="/etc/cron.d/$app"

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

	# Backup user contents
	mv "$final_path" "$final_path.old"

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

	# Restore user contents
	cp -a "$final_path.old/uploads/." "$final_path/uploads/."
	cp -a "$final_path.old/protected/runtime" "$final_path/protected/runtime"
	cp -a "$final_path.old/protected/config/." "$final_path/protected/config/"
	cp -a "$final_path.old/protected/modules/." "$final_path/protected/modules/"
	cp -a "$final_path.old/themes/." "$final_path/themes/"

	# Delete old source
	ynh_secure_remove --file="$final_path.old"
fi

#=================================================
# 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 --phpversion=$phpversion --usage=$fpm_usage --footprint=$fpm_footprint
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# DEACTIVATE DEBUG MODE
#=================================================

ynh_replace_string --match_string="defined('YII_DEBUG') or define('YII_DEBUG', true);"\
 --replace_string="// defined('YII_DEBUG') or define('YII_DEBUG', true);"\
 --target_file="$final_path/index.php"
ynh_replace_string --match_string="defined('YII_ENV') or define('YII_ENV', 'dev');"\
 --replace_string="// defined('YII_ENV') or define('YII_ENV', 'dev');"\
 --target_file="$final_path/index.php"

#=================================================
# SETUP APPLICATION
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Setuping application..." --weight=1

	if [[ ! -d $final_path/$HUMHUB_AUTH_BASIC_PATH ]]; then
		install_sso

		pushd $final_path/protected
			php$phpversion yii module/enable auth-basic
		popd
	else
		current_version=$(cat $final_path/$HUMHUB_AUTH_BASIC_PATH/module.json | jq -j '.version')
		if [ "$current_version" != "$HUMHUB_AUTH_BASIC_VERSION" ]; then
			ynh_secure_remove $final_path/$HUMHUB_AUTH_BASIC_PATH
			install_sso
		fi
	fi
fi

#=================================================
# MIGRATE DATABASE
#=================================================
ynh_script_progression --message="Migrating database..." --weight=1

chown -R $app $final_path/

ynh_exec_as $app /usr/bin/php$phpversion $final_path/protected/yii migrate/up --includeModuleMigrations=1 --interactive=0

#=================================================
# UPDATE MODULES
#=================================================
ynh_script_progression --message="Updating modules..." --weight=1

ynh_exec_as $app /usr/bin/php$phpversion $final_path/protected/yii module/update-all --interactive=0

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

#=================================================
# UPGRADE CRONTAB
#=================================================
ynh_script_progression --message="Upgrading crontab..." --weight=1

ynh_add_config --template="../conf/cron" --destination="/etc/cron.d/${app}"

#=================================================
# GENERIC FINALIZATION
#=================================================
# 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