commands

var (
	Host = &cli.Command{
		Name:      "host",
		Usage:     "Host the web page content",
		UsageText: "pages host",
		Flags:     flagset.ExtractPrefix("pages", hostConfig),
		Action: func(ctx *cli.Context) error {
			log := zaputil.Extract(ctx.Context)

			_ = mime.AddExtensionType(".woff2", "application/font-woff2")
			_ = mime.AddExtensionType(".woff", "application/font-woff")
			_ = mime.AddExtensionType(".ttf", "font/ttf")
			_ = mime.AddExtensionType(".yaml", "application/yaml")
			_ = mime.AddExtensionType(".yml", "application/yaml")
			_ = mime.AddExtensionType(".json", "application/json")

			server, err := internal.NewServer(ctx.Context, hostConfig.ServerConfig)
			if err != nil {
				return err
			}

			endpointConfig := git.EndpointConfig{
				Sites: make(map[string]*git.Config),
			}

			if hostConfig.SiteFile == "" {
				endpointConfig.Sites["*"] = &hostConfig.Git
			} else {
				err = config.Load(ctx.Context, &endpointConfig, hostConfig.SiteFile)
				if err != nil {
					return err
				}
			}

			endpoint, err := git.NewEndpoint(ctx.Context, endpointConfig)
			if err != nil {
				return err
			}
			defer endpoint.Close()

			{
				server.AdminMux.HandleFunc("/sync", endpoint.Sync).Methods(http.MethodPost)
				server.PublicMux.PathPrefix("/").HandlerFunc(endpoint.Lookup).Methods(http.MethodGet)
			}

			log.Info("serving",
				zap.String("public", hostConfig.Public.Address),
				zap.String("private", hostConfig.Private.Address))

			group, c := errgroup.WithContext(ctx.Context)
			group.Go(server.ListenAndServe)
			group.Go(func() error {
				return endpoint.SyncLoop(ctx.Context)
			})

			<-c.Done()

			shutdownTimeout := 30 * time.Second
			timeout, cancelTimeout := context.WithTimeout(context.Background(), shutdownTimeout)
			defer cancelTimeout()

			_ = server.Shutdown(timeout)
			_ = group.Wait()

			err = c.Err()
			if err != context.Canceled {
				return err
			}

			return nil
		},
		HideHelpCommand: true,
	}
)

var Version = &cli.Command{
	Name:      "version",
	Usage:     "Print the binary version information",
	UsageText: "pages version",
	Action: func(ctx *cli.Context) error {
		return template.
			Must(template.New("version").Parse(versionTemplate)).
			Execute(ctx.App.Writer, ctx.App)
	},
	HideHelpCommand: true,
}