#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

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

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app --key=domain)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
is_public=$(ynh_app_setting_get --app=$app --key=is_public)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..."

ynh_secure_remove $final_path

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX web server configuration..."

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

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

ln -s /usr/share/zabbix /var/www/zabbix

#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the PHP-FPM configuration..."

ynh_restore_file --origin_path="/etc/php/$phpversion/fpm/pool.d/$app.conf"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..."

install_zabbix_repo

ynh_package_update
ynh_install_app_dependencies $pkg_dependencies
DEBIAN_FRONTEND=noninteractive apt-mark hold zabbix-server-mysql zabbix-frontend-php

ynh_replace_string --match_string="# fr_FR.UTF-8 UTF-8" --replace_string="fr_FR.UTF-8 UTF-8" --target_file=/etc/locale.gen
locale-gen

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

db_pwd=$(ynh_app_setting_get --app=$app --key=mysqlpwd)
ynh_mysql_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_mysql_connect_as --user=$db_user --password=$db_pwd --database=$db_name < ./db.sql
convert_ZabbixDB

#=================================================
# RESTORE VARIOUS FILES
#=================================================
ynh_script_progression --message="Restoring various files..."

# Restore  frontend config
ynh_restore_file --origin_path="$final_path/conf/zabbix.conf.php"
chown -R www-data. /usr/share/zabbix
ynh_restore_file --origin_path="/etc/zabbix"
ls -Rail "/etc/zabbix"
ynh_restore_file --origin_path="/etc/apt/apt.conf.d/100update_force_init_zabbix_frontend_config"

# Restore server config
ynh_restore_file --origin_path="/etc/zabbix/zabbix_server.conf"

# Restore  agent config
ynh_restore_file --origin_path="/etc/zabbix/zabbix_agentd.conf"
if [ ! -L /etc/zabbix/zabbix_agentd.d ];then
		ln -s /etc/zabbix/zabbix_agentd.conf.d /etc/zabbix/zabbix_agentd.d
fi

# Restore sudo file
ynh_restore_file --origin_path="/etc/sudoers.d/zabbix"

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."

yunohost service add snmpd --description="Management of SNMP Daemon"
yunohost service add zabbix-server --description="Management Zabbix server daemon : Collect, agregate, compute and notify"
yunohost service add zabbix-agent --description="Management Zabbix agent daemon : send informations about this host to the server"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."

systemctl enable --quiet zabbix-agent && systemctl restart zabbix-agent
change_timeoutAgent
systemctl enable --quiet zabbix-server && systemctl restart zabbix-server

#test if zabbix server is started
check_proc_zabbixagent

#test if zabbix agent is started
check_proc_zabbixserver

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."

ynh_systemd_action --service_name=php$phpversion-fpm --action=reload
ynh_systemd_action --service_name=nginx --action=reload

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

ynh_script_progression --message="Restoration completed for $app"