#!/bin/bash

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

source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers
source ../settings/scripts/_ynh_mysql_connect_as.sh

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

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

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..."

ynh_restore_file --origin_path="$install_dir"

#=================================================
# RESTORE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Restoring the MySQL database..." --weight=9

db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
ynh_mysql_setup_db --db_user=$db_name --db_name=$db_name --db_pwd=$db_pwd
ynh_mysql_connect_as --user=$db_name --password="$db_pwd" --database=$db_name \
    <<< "ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;"

ynh_mysql_connect_as --user=$db_name --password=$db_pwd --database=$db_name --default_character_set="utf8mb4" < ./db.sql

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Reconfiguring PHP-FPM..." --weight=50

# Restore the file first, so it can have a backup if different
ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"

# Recreate a dedicated php-fpm config
ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --phpversion=$phpversion

#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

# Check if .well-known is available for this domain
if is_url_handled --domain="$domain" --path="/.well-known/caldav" || is_url_handled --domain="$domain" --path="/.well-known/carddav"
then
    ynh_print_warn --message="Another app already uses the domain $domain to serve a CalDAV/CardDAV feature. You may encounter issues when dealing with your calendar or address book."

    # Remove lines about .well-known/CardDAV and CalDAV with sed.
    sed --in-place --regexp-extended '/location = \/\.well\-known\/(caldav|carddav)/d' "/etc/nginx/conf.d/$domain.d/$app.conf"
fi

#=================================================
# RESTORE THE CRON FILE
#=================================================
ynh_script_progression --message="Restoring cron job..." --weight=1

ynh_restore_file --origin_path="/etc/cron.d/$app"

#=================================================
# BACKUP THE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the logrotate configuration..." --weight=1

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Restoring data directory..." --weight=2

# Use --not_mandatory for the data directory, because if the backup has been made with BACKUP_CORE_ONLY, there's no data into the backup.
ynh_restore_file --origin_path="$data_dir" --not_mandatory

mkdir -p "$data_dir"

#=================================================
# RESTORE USER RIGHTS
#=================================================

# Fix app ownerships & permissions
chown -R $app:www-data "$install_dir"
chown -R $app: "$data_dir"
find $install_dir/ -type f -print0 | xargs -0 chmod 0644
find $install_dir/ -type d -print0 | xargs -0 chmod 0755
find $data_dir/ -type f -print0 | xargs -0 chmod 0640
find $data_dir/ -type d -print0 | xargs -0 chmod 0750
chmod 640 "$install_dir/config/config.php"
chmod 755 /home/yunohost.app
chmod 750 $install_dir

# Iterate over users to extend their home folder permissions - for the external
# storage plugin usage - and create relevant Nextcloud directories
for u in $(ynh_user_list); do
    mkdir -p "$data_dir/$u"
    setfacl --modify g:$app:rwx "/home/$u" || true
done

#=================================================
# YUNOHOST MULTIMEDIA INTEGRATION
#=================================================
ynh_script_progression --message="Adding multimedia directories..." --weight=4

# Build YunoHost multimedia directories
ynh_multimedia_build_main_dir
# Allow nextcloud to write into these directories
ynh_multimedia_addaccess $app

#=================================================
# RESTORE THE FAIL2BAN CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the Fail2Ban configuration..." --weight=7

ynh_restore_file --origin_path="/etc/fail2ban/jail.d/$app.conf"
ynh_restore_file --origin_path="/etc/fail2ban/filter.d/$app.conf"

# Make sure a log file exists (mostly for CI tests)
logfile="/home/yunohost.app/$app/data/nextcloud.log"
if [ ! -f "$logfile" ]; then
	touch "$logfile"
	chown $app: "$logfile"
fi

ynh_systemd_action --action=restart --service_name=fail2ban

#=================================================
# 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="Restoration completed for $app" --last