#!/bin/bash

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

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

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping $app's systemd service..."

ynh_systemd_action --service_name="$app-server" --action="stop" --log_path="/var/log/$app/${app}_server.log"
ynh_systemd_action --service_name="$app-agent" --action="stop" --log_path="/var/log/$app/${app}_agent.log"

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

if [ "$language" == "fr" ]; then
    language="fr_FR"
    ynh_app_setting_set --app="$app" --key="language" --value="$language"
fi

if [ "$language" == "en" ]; then
    language="en_GB"
    ynh_app_setting_set --app="$app" --key="language" --value="$language"
fi

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

# patch to remove old zabbix-client service
if yunohost service status | grep zabbix-client; then
    ynh_script_progression --message="remove zabbix-client old service"
    yunohost service remove zabbix-client
fi

ynh_remove_logrotate

# Check if new zabbix version is available on repo"

ynh_package_update

ynh_add_config --template="../conf/etc_zabbix_web_zabbix.conf.php" --destination="/etc/zabbix/web/zabbix.conf.php"

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

if [ -f "/usr/share/zabbix/conf/zabbix.conf.php" ]; then
    ynh_secure_remove --file="/usr/share/zabbix/conf/zabbix.conf.php"
fi

ln -s "/etc/zabbix/web/zabbix.conf.php" "/usr/share/zabbix/conf/zabbix.conf.php"

ynh_remove_extra_repo --name=zabbix

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

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CUSTOMIZE DATABASE
#=================================================
ynh_script_progression --message="Customize the database..."

convert_ZabbixDB

set_mediatype_default_yunohost

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated PHP-FPM config
ynh_add_fpm_config

# Create a dedicated NGINX config
ynh_add_nginx_config

change_timeoutAgent

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

update_initZabbixConf

#=================================================
# SETUP APPLICATION
#=================================================
ynh_script_progression --message="Setting up application..."

if [ ! -d "/usr/share/zabbix-cli" ]; then
    ynh_systemd_action --service_name="$app-server" --action="restart" --log_path="/var/log/$app/${app}_server.log" --line_match="server #0 started"
    zabbix_username="svc_${app}_ldap"
    zabbix_password=$(ynh_string_random --length=32)
    ynh_app_setting_set --app="$app" --key=zabbix_username --value="$zabbix_username"
    ynh_app_setting_set --app="$app" --key=zabbix_password --value="$zabbix_password"
    yunohost user create "$zabbix_username" --fullname "${zabbix_username//_}" --domain "$domain" --password "$zabbix_password" -q 0

    mkdir -p /usr/share/zabbix-cli
    python3 -m venv /usr/share/zabbix-cli
    /usr/share/zabbix-cli/bin/pip install zabbix-cli-uio
    ynh_add_config --template="zabbix-cli_default.toml" --destination="/usr/share/zabbix-cli/zabbix-cli.toml"
    enable_admin_user
    /usr/share/zabbix-cli/bin/zabbix-cli --config /usr/share/zabbix-cli/zabbix-cli.toml create_user $zabbix_username --firstname $zabbix_username --lastname $zabbix_username --passwd $zabbix_password --role superadmin --groups 7
    disable_admin_user
    ynh_add_config --template="zabbix-cli.toml" --destination="/usr/share/zabbix-cli/zabbix-cli.toml"
    ynh_secure_remove --file="/usr/share/zabbix-cli/.zabbix-cli_auth_token"
fi

import_template

link_template

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting $app's systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name="$app-server" --action="restart" --log_path="/var/log/$app/${app}_server.log" --line_match="server #0 started"
ynh_systemd_action --service_name="$app-agent" --action="restart" --log_path="/var/log/$app/${app}_agent.log"

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

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