/**
* Handles requests for index page
**/
func firstTimeIndexPage(w http.ResponseWriter, r *http.Request) {

    if controller.IsSessionValid(r) {
        t := template.Must(template.ParseFiles("static/templates/basicLayout.html"))
        t.ExecuteTemplate(w, "indexpage", PageInfo)
    } else {

        http.Redirect(w, r, "/login", 302)
    }
}

func loginPage(w http.ResponseWriter, r *http.Request) {
    t := template.Must(template.ParseFiles("static/templates/startPage.html"))

    t.ExecuteTemplate(w, "loginpage", PageInfo)
}

func indexPage(w http.ResponseWriter) {
    t := template.Must(template.ParseFiles("static/templates/basicLayout.html"))
    t.ExecuteTemplate(w, "indexpage", PageInfo)
}

func Authenticate(w *http.ResponseWriter, houseName string, userName string, password string) bool {

    isLegit := false
    if controller.IsEntryInDb("users", "WHERE user_name='"+userName+"' AND user_password='"+password+"';") && controller.IsEntryInDb("users", "WHERE user_name='"+userName+"' AND house_name='"+houseName+"';") {
        userId := controller.GetUserId(userName)
        createSession(w, houseName, userId)
        isLegit = true
    } else {
        isLegit = false
    }

    return isLegit
}

func createSession(w *http.ResponseWriter, houseName string, userId string) {

    expire := time.Now().AddDate(0, 0, 1)
    SessionId, err := uuid.NewUUID()
    sessionIdString := SessionId.String()

    if err != nil {
        fmt.Println(err)
    }

    cookieUserId := http.Cookie{
        Name:     "smarthomedUserId",
        Value:    userId,
        Path:     "/",
        MaxAge:   10000,
        Expires:  expire,
        HttpOnly: false,
    }
    cookieSessionId := http.Cookie{
        Name:     "smarthomedSessionId",
        Value:    sessionIdString,
        Path:     "/",
        MaxAge:   10000,
        Expires:  expire,
        HttpOnly: false,
    }
    cookieHouseName := http.Cookie{
        Name:     "smarthomedHouseName",
        Value:    houseName,
        Path:"/",
        MaxAge:   10000,
        Expires:  expire,
        HttpOnly: false,
    }
    http.SetCookie(*w, &cookieUserId)
    http.SetCookie(*w, &cookieSessionId)
    http.SetCookie(*w, &cookieHouseName)
    valueString := "'" + userId + "', '" + SessionId.String() + "'"
    if controller.IsEntryInDb("sessions", "WHERE user_id='"+userId+"';") {
        controller.UpdateDbEntry("sessions", "session_id", "'"+SessionId.String()+"'", "WHERE user_id='"+userId+"';")

    } else {
        if controller.InsertNewDbEntry("sessions", "user_id, session_id", valueString) {
            fmt.Println("session created.")
        }
    }
}