package main

import (
	"log"
	"net/http"
)

const PORT = "8080"

func main() {

	mux := http.NewServeMux()

	mux.HandleFunc("/thehub", func(w http.ResponseWriter, r *http.Request) {
		if !setHeader(w, r){
      return
    }
		http.ServeFile(w, r, "/app/data/thehub.json")
	})

	mux.HandleFunc("/itjobbank", func(w http.ResponseWriter, r *http.Request) {
    if !setHeader(w, r) {
      return
    }
		http.ServeFile(w, r, "/app/data/itjobbank.json")
	})

	mux.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusOK)
		return
	})

	server := &http.Server{
		Addr:    ":" + PORT,
		Handler: mux,
	}
	log.Printf("Server starting on port %s", PORT)
	log.Fatal(server.ListenAndServe())
}

func setHeader(w http.ResponseWriter, r *http.Request) bool {
    w.Header().Set("Access-Control-Allow-Origin", "*")
    w.Header().Set("Access-Control-Allow-Methods", "GET, OPTIONS")
    w.Header().Set("Content-Type", "application/json")
    
    if r.Method == "OPTIONS" {
        w.WriteHeader(http.StatusOK)
        return false
    }
    
    return true
}