package main

import (
	"fmt"
	"net/http"
	"os"
	"os/signal"
	"strings"

	"go.jolheiser.com/gistea/router"

	"github.com/peterbourgon/ff/v3"
	"github.com/peterbourgon/ff/v3/fftoml"
	"github.com/rs/zerolog"
	"github.com/rs/zerolog/log"
)

func main() {
	level := zerolog.InfoLevel
	fs.Func("log-level", "Logging level (debug, info, error)", func(s string) error {
		lvl, err := zerolog.ParseLevel(strings.ToLower(s))
		if err != nil {
			return err
		}
		level = lvl
		return nil
	})
	if err := ff.Parse(fs, os.Args[1:],
		ff.WithEnvVarPrefix("GISTEA"),
		ff.WithConfigFileFlag("config"),
		ff.WithAllowMissingConfigFile(true),
		ff.WithConfigFileParser(fftoml.New().Parse),
	); err != nil {
		log.Fatal().Err(err).Msg("")
	}

	zerolog.SetGlobalLevel(level)
	if !*jsonFlag {
		log.Logger = log.Output(zerolog.ConsoleWriter{Out: os.Stderr})
	}

	if err := requiredFlags(); err != nil {
		log.Fatal().Err(err).Msg("")
	}

	r := router.New(router.App{
		Domain:            *domainFlag,
		SessionSecret:     *sessionSecretFlag,
		GiteaURL:          *giteaURLFlag,
		GiteaClientKey:    *giteaClientKeyFlag,
		GiteaClientSecret: *giteaClientSecretFlag,
	})

	go func() {
		log.Debug().Msgf("Listening at http://localhost:%d", *portFlag)
		if err := http.ListenAndServe(fmt.Sprintf(":%d", *portFlag), r); err != nil {
			log.Err(err).Msg("")
		}
	}()

	ch := make(chan os.Signal, 1)
	signal.Notify(ch, os.Interrupt, os.Kill)
	<-ch
}