package plugin

import (
	"golang.zabbix.com/sdk/errs"
	"golang.zabbix.com/sdk/metric"
	"golang.zabbix.com/sdk/plugin"
	"golang.zabbix.com/sdk/plugin/container"
	"onvif-agent/config"
)

var (
	PluginName = config.Conf.Integrations.ZabbixAgent.Plugin.Name
)

type zabbixAgentPlugin struct {
	plugin.Base
}

// Launch launches the plugin. Blocks until plugin execution has finished.
func Launch() error {
	p := &zabbixAgentPlugin{}

	err := p.registerMetrics()
	if err != nil {
		return err
	}

	h, err := container.NewHandler(PluginName)
	if err != nil {
		return errs.Wrap(err, "failed to create new handler")
	}

	p.Logger = &h

	err = h.Execute()
	if err != nil {
		return errs.Wrap(err, "failed to execute plugin handler")
	}

	return nil
}

func (p *zabbixAgentPlugin) registerMetrics() error {
	metricSet := metric.MetricSet{
		"onvif.client": metric.New(
			"ONVIF client",
			[]*metric.Param{
				metric.NewParam("method", "HTTP method"),
				metric.NewParam("url", "URL"),
				metric.NewParam("data", "Request data"),
			},
			false,
		),
	}

	err := plugin.RegisterMetrics(p, PluginName, metricSet.List()...)
	if err != nil {
		return errs.Wrap(err, "failed to register metrics")
	}

	return nil
}