#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
#REMOVEME? ynh_script_progression --message="Loading installation settings..." --weight=2

#REMOVEME? app=$YNH_APP_INSTANCE_NAME

#REMOVEME? domain=$(ynh_app_setting_get --app=$app --key=domain)
#REMOVEME? path=$(ynh_app_setting_get --app=$app --key=path)
#REMOVEME? admin=$(ynh_app_setting_get --app=$app --key=admin)
#REMOVEME? #REMOVEME? install_dir=$(ynh_app_setting_get --app=$app --key=install_dir)
#REMOVEME? db_name=$(ynh_app_setting_get --app=$app --key=db_name)
#REMOVEME? phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
#REMOVEME? data_dir=$(ynh_app_setting_get --app=$app --key=data_dir)

#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..." --weight=1

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
#REMOVEME? ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=21

# Backup the current version of the app
#REMOVEME? ynh_backup_before_upgrade
#REMOVEME? ynh_clean_setup () {
	# Restore it if the upgrade fails
#REMOVEME? 	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
#REMOVEME? ynh_abort_if_errors

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

# Cleaning legacy permissions
#REMOVEME? if ynh_legacy_permissions_exists; then
#REMOVEME? 	ynh_legacy_permissions_delete_all

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

#REMOVEME? if ! ynh_permission_exists --permission="admin"; then
	# Create the required permissions
#REMOVEME? 	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
fi

# If db_name doesn't exist, create it
if [ -z "$db_name" ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
#REMOVEME? 	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If install_dir doesn't exist, create it
if [ -z "$install_dir" ]; then
#REMOVEME? 	install_dir=/var/www/$app
#REMOVEME? 	ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
fi

# If data_dir doesn't exist, create it
if [ -z "$data_dir" ]; then
	data_dir=/home/yunohost.app/$app
#REMOVEME? 	ynh_app_setting_set --app=$app --key=data_dir --value=$data_dir
fi

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

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


#=================================================
# UPGRADE DEPENDENCIES
#=================================================
#REMOVEME? ynh_script_progression --message="Upgrading dependencies..." --weight=5

#REMOVEME? ynh_exec_warn_less 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 --usage=low --footprint=low

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CREATE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Creating a data directory..."

mkdir -p $data_dir
chmod 750 "$data_dir"
chmod -R o-rwx "$data_dir"
chown -R $app:www-data "$data_dir"

#=================================================
# Framaforms 2 Yakforms Backup
#=================================================
upgrade_to_yakforms=false
#REMOVEME? if test -d "$install_dir/app/CHANGELOG-FRAMAFORMS.md"
then
	update-alternatives --set php /usr/bin/php$phpversion
    upgrade_to_yakforms=true

	pushd "$install_dir"
    	ynh_exec_as $app env PATH=$PATH php framaforms2yakforms.php backup
    	ynh_exec_as $app env PATH=$PATH drush @$app dis framaforms 
    	ynh_exec_as $app env PATH=$PATH drush @$app pm-uninstall framaforms 
    	ynh_exec_as $app env PATH=$PATH drush @$app dis framaforms_share_results
    	ynh_exec_as $app env PATH=$PATH drush @$app pm-uninstall framaforms_share_results 
    	ynh_exec_as $app env PATH=$PATH drush @$app dis framaforms_public_results 
    	ynh_exec_as $app env PATH=$PATH drush @$app pm-uninstall framaforms_public_results 
    	ynh_exec_as $app env PATH=$PATH drush @$app dis framaforms_spam 
    	ynh_exec_as $app env PATH=$PATH drush @$app pm-uninstall framaforms_spam
	popd
	update-alternatives --set php /usr/bin/php${YNH_DEFAULT_PHP_VERSION}

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=9

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

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

#=================================================
# UPGRADE COMPOSER
#=================================================
ynh_script_progression --message="Upgrading Composer..." --weight=3

ynh_install_composer --phpversion="$phpversion" --workdir="$install_dir/.composer"

export PATH="$install_dir/.composer/vendor/bin:$PATH"

#=================================================
# Framaforms 2 Yakforms Restore
#=================================================
if [ "$upgrade_to_yakforms" = true ]
then
	update-alternatives --set php /usr/bin/php$phpversion

	pushd "$install_dir"
    	ynh_exec_as $app env PATH=$PATH drush @$app en yakforms 
    	ynh_exec_as $app env PATH=$PATH drush @$app dis yakforms_share_results
    	ynh_exec_as $app env PATH=$PATH drush @$app dis yakforms_public_results 
    	ynh_exec_as $app env PATH=$PATH drush @$app dis yakforms_spam 
    	ynh_exec_as $app env PATH=$PATH php framaforms2yakforms.php restore
    	ynh_exec_as $app env PATH=$PATH php framaforms2yakforms.php clean
	popd
	update-alternatives --set php /usr/bin/php${YNH_DEFAULT_PHP_VERSION}
fi

#=================================================
# UPGRADE DRUPAL
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading Drupal..." --weight=30

	ynh_backup_if_checksum_is_different --file="$install_dir/app/sites/default/settings.php"

	update-alternatives --set php /usr/bin/php$phpversion

	pushd "$install_dir"
    	ynh_exec_as $app env PATH=$PATH drush @$app variable-set --exact maintenance_mode 1 
    	ynh_exec_as $app env PATH=$PATH drush @$app cache-clear all 
    	# ynh_exec_as $app env PATH=$PATH drush @$app pm-update -y drupal
    	# ynh_exec_as $app env PATH=$PATH drush @$app updatedb -y
    	ynh_exec_as $app env PATH=$PATH drush @$app cache-clear all 
    	ynh_exec_as $app env PATH=$PATH drush @$app variable-set --exact maintenance_mode 0 
	popd

	update-alternatives --set php /usr/bin/php${YNH_DEFAULT_PHP_VERSION}
fi

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."

chmod 600 "$install_dir/app/sites/default/settings.php"
chown $app:$app "$install_dir/app/sites/default/settings.php"

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX
#=================================================
#REMOVEME? ynh_script_progression --message="Reloading NGINX web server..." --weight=1

#REMOVEME? ynh_systemd_action --service_name=nginx --action=reload

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

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