package cmd

import (
	"net/url"
	"time"

	"git.towk2.me/towk/makeshift/pkg/service"
	"github.com/rs/zerolog/log"
	"github.com/spf13/cobra"
)

var serveCmd = &cobra.Command{
	Use: "serve",
	Example: `
  # start the service in current directory
  makeshift serve
  
  # start the service with root path and initialize
  makeshift serve --root ./test --init -l debug
`,
	Args: cobra.NoArgs,
	PreRun: func(cmd *cobra.Command, args []string) {
		setenv(cmd, "host", "MAKESHIFT_HOST")
		setenv(cmd, "root", "MAKESHIFT_ROOT")
		setenv(cmd, "timeout", "MAKESHIFT_TIMEOUT")
	},
	Run: func(cmd *cobra.Command, args []string) {
		var (
			host, _     = cmd.Flags().GetString("host")
			rootPath, _ = cmd.Flags().GetString("root")
			timeout, _  = cmd.Flags().GetInt("timeout")

			parsed *url.URL
			server *service.Service
			err    error
		)

		// parse the host to remove scheme if needed
		parsed, err = url.Parse(host)
		if err != nil {
			log.Warn().Err(err).
				Str("host", host).
				Msg("could not parse host")
		}

		// set the server values
		server = service.New()
		server.Addr = parsed.Host
		server.RootPath = rootPath
		server.Timeout = time.Duration(timeout) * time.Second

		// show some debugging information
		log.Debug().
			Str("host", parsed.Host).
			Any("paths", map[string]string{
				"root":     rootPath,
				"data":     server.PathForData(),
				"profiles": server.PathForProfiles(),
				"plugins":  server.PathForPlugins(),
				"metadata": server.PathForMetadata(),
			}).
			Send()

		// make the default directories and files if flag is passed
		if cmd.Flags().Changed("init") {
			err = server.Init()
			if err != nil {
				log.Error().Err(err).
					Str("host", parsed.Host).
					Str("root", rootPath).
					Msg("failed to initialize server root")
				return
			}
		}

		// serve and log why the server closed
		err = server.Serve()
		log.Error().Err(err).Msg("server closed")
	},
}

func init() {
	serveCmd.Flags().Bool("init", false, "Initializes default files at specified with the '--root' flag")
	serveCmd.Flags().String("host", "localhost:5050", "Set the configurator server host (can be set with MAKESHIFT_HOST)")
	serveCmd.Flags().String("root", "./", "Set the root path to serve files (can be set with MAKESHIFT_ROOT)")
	serveCmd.Flags().IntP("timeout", "t", 60, "Set the timeout in seconds for requests (can be set with MAKESHIFT_TIMEOUT)")

	rootCmd.AddCommand(serveCmd)
}