package controllers

import (
	"fmt"
	"github.com/gorilla/mux"
	"github.com/gorilla/sessions"
	"gorm.io/driver/postgres"
	"moretcgshop/app/models"
	"os"

	"gorm.io/gorm"
	"log"
	"net/http"
)

type Server struct {
	DB        *gorm.DB
	Router    *mux.Router
	AppConfig *AppConfig
}

type AppConfig struct {
	AppName string
	AppEnv  string
	AppPort string
	AppURL  string
}

type DBConfig struct {
	DBHost     string
	DBUser     string
	DBPassword string
	DBName     string
	DBPort     string
	DBDriver   string
}

var store = sessions.NewCookieStore([]byte(os.Getenv("SESSION_KEY")))
var sessionShoppingCart = "shopping-cart-session"
var sessionFlash = "flash-session"
var sessionUser = "user-session"

func (server *Server) Initialize(appConfig AppConfig, dbConfig DBConfig) {
	fmt.Println("Willkommen zu " + appConfig.AppName)
	//server.initializeDB(dbConfig)
	server.initializeAppConfig(appConfig)
	server.initializeRoutes()
}

func (server *Server) Run(addr string) {
	fmt.Printf("Listening to port %s", addr)
	log.Fatal(http.ListenAndServe(addr, server.Router))
}

func (s Server) InitCommands(config AppConfig, config2 DBConfig) {

}

func (server *Server) initializeDB(dbConfig DBConfig) {
	var err error
	dsn := fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%s sslmode=disable TimeZone=Asia/Jakarta", dbConfig.DBHost, dbConfig.DBUser, dbConfig.DBPassword, dbConfig.DBName, dbConfig.DBPort)
	server.DB, err = gorm.Open(postgres.Open(dsn), &gorm.Config{})
	if err != nil {
		panic("Failed on connecting to the database server")
	}
}
func (server *Server) dbMigrate() {
	/*for _, model := range models.RegisterModels() {
		err := server.DB.Debug().AutoMigrate(model.Model)

		if err != nil {
			log.Fatal(err)
		}
	}

	fmt.Println("Database migrated successfully.")

	*/
}

func (server *Server) initializeAppConfig(config AppConfig) {
	server.AppConfig = &config
}

func IsLoggedIn(r *http.Request) bool {
	session, _ := store.Get(r, sessionUser)
	if session.Values["id"] == nil {
		return false
	}
	return true
}

func (server *Server) CurrentUser(w http.ResponseWriter, r *http.Request) *models.User {
	if !IsLoggedIn(r) {
		return nil
	}

	session, _ := store.Get(r, sessionUser)

	userModel := models.User{}

	user, err := userModel.FindByID(server.DB, session.Values["id"].(string))
	if err != nil {
		session.Values["id"] = nil
		session.Save(r, w)
		return nil
	}

	return user
}