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package main
import (
"encoding/json"
"flag"
"io"
"log"
"net/http"
"os"
)
type option struct {
Text string
Arc string
}
type arc struct {
Title string
Story []string
Options []option
}
type story map[string]arc
func (s story) ServeHTTP(w http.ResponseWriter, r *http.Request) {
arc := r.PathValue("arc")
title := s[arc].Title
w.Header().Set("Content-Type", "text/plain")
io.WriteString(w, title)
}
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 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()
}
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