package cmd

import (
	"log"
	"net/http"

	"git.coopcloud.tech/wiki-cafe/member-console/internal/auth"
	"git.coopcloud.tech/wiki-cafe/member-console/internal/middleware"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"
)

var startCmd = &cobra.Command{
	Use:   "start",
	Short: "Start serving the member-console web application",
	Long: `The start command starts an HTTP server that serves the member-console web
	application from the components directory in the current directory.
	
	The server listens on port 8080 by default, unless a different port is specified using the --port flag.`,
	Args: cobra.NoArgs,
	Run: func(cmd *cobra.Command, args []string) {
		// Retrieve the port value from Viper
		port := viper.GetString("port")

		// Create a new HTTP request router
		httpRequestRouter := http.NewServeMux()

		// Set up authentication
		authConfig, err := auth.Setup()
		if err != nil {
			log.Fatalf("Failed to set up authentication: %v", err)
		}

		// Register auth handlers
		authConfig.RegisterHandlers(httpRequestRouter)

		// Create middleware stack
		stack := middleware.CreateStack(
			middleware.SecureHeaders,
			middleware.Logging,
			middleware.MaxBodySize(1024*1024), // 1MB size limit
			authConfig.Middleware(),
		)

		// Create HTTP server
		server := http.Server{
			Addr:    ":" + port,
			Handler: stack(httpRequestRouter),
		}

		// Serve the components directory
		httpRequestRouter.Handle("/", http.FileServer(http.Dir("./components")))
		log.Println("Starting server on port", port)
		log.Fatal(server.ListenAndServe())
	},
}

func init() {
	// Register flags with Cobra
	startCmd.Flags().StringP("port", "p", "", "Port to listen on")
	startCmd.Flags().String("client-id", "", "OIDC Client ID")
	startCmd.Flags().String("client-secret", "", "OIDC Client Secret")
	startCmd.Flags().String("issuer-url", "", "Identity Provider Issuer URL")
	startCmd.Flags().String("hostname", "", "Address at which the server is exposed")
	startCmd.Flags().String("session-secret", "", "Session encryption secret")
	startCmd.Flags().String("env", "", "Environment (development/production)")

	// Bind all flags to Viper
	viper.BindPFlags(startCmd.Flags())

	// Set default values
	viper.SetDefault("port", "8080")
	viper.SetDefault("env", "development")

	// Add the command to the root command
	rootCmd.AddCommand(startCmd)
}