package android

import (
	"context"
	"crypto/tls"
	"net"
	"path/filepath"

	"forge.cadoles.com/arcad/arcast"
	"forge.cadoles.com/arcad/arcast/pkg/browser/proxy"
	"forge.cadoles.com/arcad/arcast/pkg/config"
	"forge.cadoles.com/arcad/arcast/pkg/server"
	"github.com/pkg/errors"
	"gitlab.com/wpetit/goweb/logger"
)

var (
	browser = proxy.NewBrowser()
)

func SetBridge(bridge Bridge) {
	browser.SetLoadURL(bridge.LoadURL)
	browser.SetGetTitle(bridge.GetTitle)
	browser.SetGetURL(bridge.GetURL)
}

func StartServer(dataDir string) string {
	ctx := context.Background()

	conf := config.DefaultConfig()
	filename := filepath.Join(dataDir, "config.json")

	logger.Info(ctx, "loading or creating configuration file", logger.F("filename", filename))
	if err := config.LoadOrCreate(ctx, filename, conf, config.DefaultTransforms...); err != nil {
		logger.Error(ctx, "could not load configuration file", logger.CapturedE(errors.WithStack(err)))
	}

	go func() {
		for {
			runServer(ctx, conf)
		}
	}()

	_, port, err := net.SplitHostPort(conf.HTTP.Address)
	if err != nil {
		panic(errors.Wrap(err, "could not parse server listening address"))
	}

	return port
}

func runServer(ctx context.Context, conf *config.Config) {
	ctx, cancel := context.WithCancel(ctx)
	defer cancel()

	cert, err := tls.X509KeyPair(conf.HTTPS.Cert, conf.HTTPS.Key)
	if err != nil {
		logger.Fatal(ctx, "could not parse x509 certificate", logger.CapturedE(errors.WithStack(err)))
	}

	server := server.New(
		browser,
		server.WithInstanceID(conf.InstanceID),
		server.WithAppsEnabled(conf.Apps.Enabled),
		server.WithDefaultApp(conf.Apps.DefaultApp),
		server.WithApps(arcast.DefaultApps...),
		server.WithTLSCertificate(&cert),
		server.WithAddress(conf.HTTP.Address),
		server.WithTLSAddress(conf.HTTPS.Address),
		server.WithAllowedOrigins(conf.AllowedOrigins...),
	)

	if err := server.Start(); err != nil {
		logger.Fatal(ctx, "could not start server", logger.CapturedE(errors.WithStack(err)))
	}

	defer func() {
		if err := server.Stop(); err != nil {
			logger.Error(ctx, "could not stop server", logger.CapturedE(errors.WithStack(err)))
		}
	}()

	if err := server.Wait(); err != nil {
		logger.Error(ctx, "could not wait for server", logger.CapturedE(errors.WithStack(err)))
	}
}