package api_auth

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

type registerRequest struct {
	Username string `json:"username"`
	Email    string `json:"email"`
	Password string `json:"password"`
}

type registerResponse struct {
	UserID   uint   `json:"id"`
	Username string `json:"username"`
}

func (h *authHandler) handleRegister(w http.ResponseWriter, r *http.Request) {
	var req registerRequest
	err := json.NewDecoder(r.Body).Decode(&req)
	if err != nil {
		http.Error(w, "Invalid request payload", http.StatusBadRequest)
		return
	}

	user, err := h.a.Register(req.Username, req.Email, req.Password)
	if err != nil {
		slog.Error("Failed to register user", "error", err)
		http.Error(w, "Registration failed", http.StatusInternalServerError)
		return
	}

	w.Header().Set("Content-Type", "application/json")
	err = json.NewEncoder(w).Encode(registerResponse{
		UserID:   user.ID,
		Username: user.Username,
	})
	if err != nil {
		http.Error(w, "Failed to encode response", http.StatusInternalServerError)
		return
	}
	w.WriteHeader(http.StatusCreated)
}