#!/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=1

#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? db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
#REMOVEME? deskey=$(ynh_app_setting_get --app=$app --key=deskey)
#REMOVEME? db_user="$db_name"
#REMOVEME? hour=$(ynh_app_setting_get --app=$app --key=hour)
#REMOVEME? minutes=$(ynh_app_setting_get --app=$app --key=minutes)

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

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)..."

# 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..."

# 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 minutes or hour do not exist, create them
if [ -z "$minutes" ] || [ -z "$hour" ]; then
	# Generate random running schedule, and save $hour and $minutes as app parameters
	generate_random_minutes_hour
fi

# 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

#=================================================
# 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"

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

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

	# For aeneria source update, we use a temporary directory because
	# without it, patches can't be apply correctly:
	# In 'app-00-ldap-auth.patch' we create a new file, if we try
	# to apply the patch a second time while the file already exists, it
	# throws a warning leading to an upgrade fail.

	# Create tmpdir for new sources
	tmpdir="$(ynh_smart_mktemp min_size=300)"

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

	# Replace the old aeneria by the new one
#REMOVEME? 	ynh_secure_remove --file="$install_dir"
	mv "$tmpdir" "$install_dir"
	ynh_secure_remove --file="$tmpdir"
fi

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

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

#REMOVEME? ynh_exec_warn_less ynh_install_app_dependencies "$pkg_dependencies"

#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading PHP-FPM configuration..." --weight=2

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=low --footprint=low

#=================================================
# SPECIFIC SETUP
#=================================================
# CONFIGURE AENERIA
#=================================================
ynh_script_progression --message="Configuring aeneria..." --weight=1

aeneria_conf="$install_dir/.env"

ynh_add_config --template="../conf/.env" --destination="$aeneria_conf"

# Restrict rights to aeneria user only
chmod 600 "$aeneria_conf"

#=================================================
# UPGRADE AENERIA
#=================================================
ynh_script_progression --message="Upgrading aeneria..." --weight=1

# Install dependencies and aeneria
pushd $install_dir
	ynh_exec_as $app php$phpversion bin/console cache:clear -n
	ynh_exec_as $app php$phpversion bin/console doctrine:migrations:migrate -n

	# Set admin user
	mail=$(ynh_user_get_info --username="$admin" --key='mail')
	user_exists=$(ynh_exec_as $app php$phpversion bin/console aeneria:user:exist "$mail")
	if [ $user_exists -eq 0 ]
	then
		user_pass=$(ynh_string_random)
		ynh_exec_as $app php$phpversion bin/console aeneria:user:add "$mail" "$user_pass" -n
	fi

	# Regenerate RSA keys
	ynh_exec_as $app php$phpversion bin/console aeneria:generate-key --force -n
popd

#=================================================
# SET UP CRON JOB
#=================================================
ynh_script_progression --message="Setuping a cron job..." --weight=1

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

#=================================================
# ADAPT HOOK FOR AENERIA INSTANCE
#=================================================
ynh_script_progression --message="Adapting hooks..." --weight=1

ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_app_addaccess"
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="../hooks/post_app_removeaccess"

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