#!/bin/bash

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

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

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

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)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)

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

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

# 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..."

# 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..."

	tmpdir="$(mktemp -d)"

	mkdir $tmpdir/plugins
	rsync -a "$final_path/include/plugins" "$tmpdir/."
	rsync -a "$final_path/include/ost-config.php" "$tmpdir/."
	ynh_secure_remove --file="$final_path"

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$final_path"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build" --source_id="core-plugins"
ynh_replace_string --match_string="net_ldap2" --replace_string="Net_LDAP2" --target_file="$final_path/include/plugins/build/auth-ldap/plugin.php"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/archiver" --source_id="plugin-archiver"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/attachment_preview" --source_id="plugin-attachment_preview"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/autocloser" --source_id="plugin-autocloser"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/fetch-note" --source_id="plugin-fetch-note"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/field-radiobuttons" --source_id="plugin-field-radiobuttons"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/fwd-rewriter" --source_id="plugin-fwd-rewriter"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/mattermost" --source_id="plugin-mattermost"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/mentioner" --source_id="plugin-mentioner"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/microsoft-teams" --source_id="plugin-microsoft-teams"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/slack" --source_id="plugin-slack"
	ynh_setup_source --dest_dir="$final_path/include/plugins/build/preventautoscroll" --source_id="plugin-preventautoscroll"

	rsync -a "$tmpdir/plugins" "$final_path/include/."
	rsync -a "$tmpdir/ost-config.php" "$final_path/include/."
	ynh_secure_remove --file="$tmpdir"
fi

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

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

ynh_install_app_dependencies $pkg_dependencies

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

# Create a dedicated PHP-FPM config
ynh_add_fpm_config --usage=low --footprint=low --package="$extra_php_dependencies"
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

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

ynh_store_file_checksum --file="$final_path/include/ost-config.php"

chmod 400 "$final_path/include/ost-config.php"
chown $app:www-data "$final_path/include/ost-config.php"

#=================================================
# BUILD PLUGINS
#=================================================
ynh_script_progression --message="Building plugins..."

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	mkdir -p "$final_path/include/plugins/build/.config/composer"
	COMPOSER_HOME="$final_path/include/plugins/build/.config/composer"
	pushd "$final_path/include/plugins/build"
		php${phpversion} make.php hydrate
		php${phpversion} -dphar.readonly=0 make.php build auth-cas
		php${phpversion} -dphar.readonly=0 make.php build auth-ldap
		php${phpversion} -dphar.readonly=0 make.php build auth-oauth
		php${phpversion} -dphar.readonly=0 make.php build auth-passthru
		php${phpversion} -dphar.readonly=0 make.php build storage-fs
		php${phpversion} -dphar.readonly=0 make.php build storage-s3
		php${phpversion} -dphar.readonly=0 make.php build archiver
		php${phpversion} -dphar.readonly=0 make.php build attachment_preview
		php${phpversion} -dphar.readonly=0 make.php build autocloser
		php${phpversion} -dphar.readonly=0 make.php build fetch-note
		php${phpversion} -dphar.readonly=0 make.php build field-radiobuttons
		php${phpversion} -dphar.readonly=0 make.php build fwd-rewriter
		php${phpversion} -dphar.readonly=0 make.php build mattermost
		php${phpversion} -dphar.readonly=0 make.php build mentioner
		php${phpversion} -dphar.readonly=0 make.php build microsoft-teams
		php${phpversion} -dphar.readonly=0 make.php build slack
		php${phpversion} -dphar.readonly=0 make.php build preventautoscroll
		cp -f *.phar $final_path/include/plugins/.
	popd
	ynh_secure_remove --file="$final_path/include/plugins/build"
	ynh_secure_remove --file="$final_path/setup"
fi

#=================================================
# UPGRADE LANGUAGE
#=================================================
ynh_script_progression --message="UPGRADING language..."

rsync -a "../conf/i18n" "$final_path/include/."

#=================================================
# SET THE CRON FILE
#=================================================
ynh_script_progression --message="Setting the cron file..."

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

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