#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading settings..." --weight=1

email=$(ynh_user_get_info --username=$admin --key=mail)

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

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

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

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

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir" --keep="store/ .htconfig.php php.log"
	ynh_setup_source --dest_dir="$install_dir/addon" --source_id="app_addons"
fi

mkdir -p "$install_dir/store"
mkdir -p  "$install_dir/cache/smarty3"

chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"
chmod -R 775 $install_dir/store $install_dir/cache

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

if [ $database = "mysql" ]; then
	ynh_mysql_connect_as --user=$db_user --password="$db_pwd" --database=$db_name <<< "ALTER DATABASE $db_name CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci;"

ynh_add_config --template="../conf/htconfig.sample.php" --destination="$install_dir/.htconfig.php"

# addon ldap config
ynh_script_progression --message="Push LDAP configuration to .htconfig.php..."

cat ../conf/ldap_conf.php >> $install_dir/.htconfig.php
ynh_store_file_checksum --file=$install_dir/.htconfig.php

chmod 600 "$install_dir/.htconfig.php"
chown $app:$app "$install_dir/.htconfig.php"

#=================================================
# UPGRADE CRON JOB
#=================================================
ynh_script_progression --message="Upgrading cron job..." --weight=1

# Set up cron job
ynh_add_config --template="../conf/poller-cron" --destination="/etc/cron.d/$app"
chown root: "/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# UPGRADE FAIL2BAN
#=================================================
ynh_script_progression --message="Reconfiguring Fail2Ban..." --weight=1

# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="$install_dir/php.log" --failregex="^.*auth\.php.*failed login attempt.*from IP <HOST>.*$" --max_retry="5"

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

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