package main

import (
	"arbeitszeitmessung/endpoints"
	"arbeitszeitmessung/helper"
	"arbeitszeitmessung/models"
	"context"
	"fmt"
	"log"
	"net/http"
	"time"

	"github.com/joho/godotenv"
	_ "github.com/lib/pq"
)



func main() {
	var err error

	err = godotenv.Load(".env")
	if err != nil {
		log.Println("No .env file found in directory!")
 	}

	models.DB, err = OpenDatabase()
	if err != nil {
		log.Fatal(err)
	}
	defer models.DB.Close()

	fs := http.FileServer(http.Dir("./static"))
	endpoints.CreateSessionManager(24 * time.Hour)

	server := http.NewServeMux()

	// handles the different http routes
	withMiddleware := ParamsMiddleware(endpoints.TimeHandler)
	server.HandleFunc("/time/new", endpoints.TimeCreateHandler)
	server.Handle("/time", withMiddleware)
	server.HandleFunc("/logout", endpoints.LogoutHandler)
	server.HandleFunc("/", endpoints.LoginHandler)
	server.Handle("/static/", http.StripPrefix("/static/", fs))

	serverSessionMiddleware := endpoints.Session.LoadAndSave(server)

	// starting the http server
	fmt.Printf("Server is running at http://localhost:8000 exposed to port %s\n", helper.GetEnv("EXPOSED_PORT", "8000"))
	log.Fatal(http.ListenAndServe(":8080", serverSessionMiddleware))
}

func ParamsMiddleware(next http.HandlerFunc) http.Handler{
	return http.HandlerFunc(func (w http.ResponseWriter, r *http.Request) {
		queryParams := r.URL.Query()
		ctx := context.WithValue(r.Context(), "urlParams", queryParams)
		next.ServeHTTP(w, r.WithContext(ctx))
	})
}