#!/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
#=================================================

ynh_clean_setup () {
	ynh_clean_check_starting
}
# 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=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
phpversion=$(ynh_app_setting_get --app=$app --key=phpversion)
language=$(ynh_app_setting_get --app=$app --key=language)

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

remove_previous_zabbix

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

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

# Define and install dependencies
ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_exec_warn_less ynh_install_extra_app_dependencies --repo="http://repo.zabbix.com/zabbix/5.0/debian $(lsb_release -sc) main" --package="$zabbix_pkg_dependencies" --key="https://repo.zabbix.com/zabbix-official-repo.key"

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

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

ln -s /usr/share/zabbix "$final_path"

chmod 750 "/usr/share/zabbix"
chmod -R o-rwx "/usr/share/zabbix"
chown -R $app:www-data "/usr/share/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"

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

export mysqlconn="mysql --user=$db_user --password=$db_pwd --database=$db_name"
convert_ZabbixDB

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

if [ -f "/etc/zabbix/web/zabbix.conf.php" ]
then
	ynh_secure_remove --file="/etc/zabbix/web/zabbix.conf.php"
fi

ynh_restore_file --origin_path="/etc/zabbix/web/zabbix.conf.php"

chmod 400 "/etc/zabbix/web/zabbix.conf.php"
chown $app:www-data "/etc/zabbix/web/zabbix.conf.php"

ynh_restore_file --origin_path="/etc/apt/apt.conf.d/100update_force_init_zabbix_frontend_config"

ynh_restore_file --origin_path="/etc/zabbix/zabbix_server.conf"
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"

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..."

change_timeoutAgent

systemctl enable zabbix-agent --quiet
systemctl enable zabbix-server --quiet

#=================================================
# 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" --log="/var/log/$app/${app}_server.log"
yunohost service add zabbix-agent --description="Management Zabbix agent daemon : send informations about this host to the server" --log="/var/log/$app/${app}_agent.log"

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

# Start a systemd service
ynh_systemd_action --service_name=$app-server --action="restart" --log_path="/var/log/$app/${app}_server.log"
ynh_systemd_action --service_name=$app-agent --action="restart" --log_path="/var/log/$app/${app}_agent.log"

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