package main

import (
	"context"
	"fmt"
	"os"

	"git.faercol.me/faercol/dnsmasq-netbox-connector/internal/config"
	"git.faercol.me/faercol/dnsmasq-netbox-connector/internal/dnsmasq"
	"git.faercol.me/faercol/dnsmasq-netbox-connector/internal/healthchecks"
	gohealthchecks "git.faercol.me/faercol/go-healthchecks"
)

func main() {
	configPath := "/etc/dnmasq-netbox/config.json"

	if len(os.Args) > 1 {
		configPath = os.Args[1]
	}

	conf, err := config.New(configPath)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to read configuration: %s\n", err)
		os.Exit(1)
	}

	healtchecksClt := gohealthchecks.NewPingClient(conf.HostPingAPI)

	check, err := healthchecks.Start(context.Background(), conf.HealthchecksConfig, healtchecksClt)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to notify process start: %s\n", err)
	}

	leases, err := dnsmasq.GetDynamicLeases(conf.LeasesPath, conf.DHCPRangeStart, conf.DHCPRangeEnd)
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to parse leases: %s\n", err)
		if err := healthchecks.Failure(context.Background(), conf.HealthchecksConfig, healtchecksClt, check, "failed to parse lease file"); err != nil {
			fmt.Fprintf(os.Stderr, "Failed to notify failure: %s\n", err)
		}
		os.Exit(1)
	}

	for _, l := range leases {
		fmt.Printf("Got lease %s\n", l)
	}

	if err := healthchecks.Success(context.Background(), conf.HealthchecksConfig, healtchecksClt, check); err != nil {
		fmt.Fprintf(os.Stderr, "Failed to notify process success: %s\n", err)
	}
}