package main

import (
	"encoding/json"
	"log"
	"net/http"

	"github.com/gorilla/mux"
)

type APIServer struct {
	Host string
	Port string
	Db   SQLiteDatabase
}

type APIError struct {
	Error string
}

func WriteJSON(w http.ResponseWriter, status int, v any) error {
	w.Header().Set("Content-Type", "application/json")
	w.WriteHeader(status)
	return json.NewEncoder(w).Encode(v)
}

func NewAPIServer(cfg Config, database SQLiteDatabase) *APIServer {
	return &APIServer{
		Host: cfg.Host,
		Db:   database,
	}
}

func (s *APIServer) Start() {
	router := mux.NewRouter()
	router.HandleFunc("/prerace", s.handleCreatePreRace).Methods("POST")
	router.HandleFunc("/preraces", s.handleGetPreRaces).Methods("GET")
	router.HandleFunc("/prerace/{id}", s.handleDeletePreRace).Methods("DELETE")
	router.HandleFunc("/prerace/{id}", s.handleUpdatePreRace).Methods("PUT")
	router.HandleFunc("/prerace/{id}", s.handleGetPreRaceByID).Methods("GET")

	log.Println("Listening for new Preraces / Races")

	http.ListenAndServe(s.Host, router)

}

func (s *APIServer) handleGetPreRaceByID(w http.ResponseWriter, r *http.Request) {
	WriteJSON(w, http.StatusOK, mux.Vars(r))
}

func (s *APIServer) handleGetPreRaces(w http.ResponseWriter, r *http.Request) {

}

func (s *APIServer) handleCreatePreRace(w http.ResponseWriter, r *http.Request) {
	race := NewRace()
	_ = json.NewDecoder(r.Body).Decode(&race)
	defer r.Body.Close()

	race.PreRace = true

	err := s.Db.CreatePreRace(race)
	if err != nil {
		log.Println("Could not create new race in db", err)
		WriteJSON(w, http.StatusOK, race)
	}
	WriteJSON(w, http.StatusOK, "{Error: Error}")

}

func (s *APIServer) handleDeletePreRace(w http.ResponseWriter, r *http.Request) {

}

func (s *APIServer) handleUpdatePreRace(w http.ResponseWriter, r *http.Request) {

}