package main

import (
	"encoding/json"
	"html"
	"log"
	"net/http"
	"rex_model"
	"time"
	"strings"
)

var rex_version = "UNDEFINED"

func main() {
	port := ":8080"
	addons := rex_model.AddonIndex
	log.Printf("Starting RexForge server version: %s", strings.ToUpper(rex_version))

	mux := http.NewServeMux()

	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		_, _ = w.Write([]byte("Hello, " + html.EscapeString(r.URL.Path)))
	})

	mux.HandleFunc("/api/index", func(w http.ResponseWriter, r *http.Request) {
		w.Header().Set("Content-Type", "application/json")
		if err := json.NewEncoder(w).Encode(addons); err != nil {
			http.Error(w, err.Error(), http.StatusInternalServerError)
			return
		}
	})

	loggedMux := loggingMiddleware(mux)

	log.Printf("Listening on http://localhost%s", port)
	log.Fatal(http.ListenAndServe(port, loggedMux))
}

func loggingMiddleware(next http.Handler) http.Handler {
	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		start := time.Now()

		log.Printf("[%s] %s %s %s", r.RemoteAddr, r.Method, r.URL.Path, start.Format("2006-01-02 15:04:05"))

		next.ServeHTTP(w, r)
		duration := time.Since(start)

		log.Printf("[%s] Completed in %v\n", r.RemoteAddr, duration)
	})
}