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package main

import (
	"encoding/json"
	"flag"
	"io"
	"log"
	"net/http"
	"os"

	"git.brandonirizarry.xyz/adventure/internal/types"
)

func main() {
	// Set up log flags.
	log.SetFlags(log.LstdFlags | log.Lshortfile)

	// Get any command-line flags (port, etc.)
	port := flag.String("port", "8080", "Server port")
	filename := flag.String("json", "adventure.json", "Adventure file (JSON)")
	flag.Parse()

	// Get the JSON.
	f, err := os.Open(*filename)
	if err != nil {
		log.Fatal(err)
	}
	defer f.Close()
	jsonBytes, err := io.ReadAll(f)
	if err != nil {
		log.Fatal(err)
	}

	var s types.Story
	if err := json.Unmarshal(jsonBytes, &s); err != nil {
		log.Fatal(err)
	}

	// Set up the handlers and server.
	mux := http.NewServeMux()
	mux.Handle("/{arc}", &s)

	log.Fatal(runServer(mux, *port))
}

func runServer(h http.Handler, port string) error {
	srv := http.Server{
		Addr:    ":" + port,
		Handler: h,
	}

	log.Printf("Serving on port %s...\n", port)

	return srv.ListenAndServe()
}