package handlers

import (
	"encoding/json"
	"go-backend/internal/database/sqlc"
	"net/http"
)

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

func (h *Handler) SignUpHandler(w http.ResponseWriter, r *http.Request) {
	if r.Method != http.MethodPost {
		http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
		return
	}

	var req SignUpRequest

	decoder := json.NewDecoder(r.Body)
	err := decoder.Decode(&req)
	if err != nil {
		http.Error(w, "Invalid request body", http.StatusBadRequest)
		return
	}

	if req.Username == "" || req.Password == "" || req.Email == "" {
		http.Error(w, "Invalid request body", http.StatusBadRequest)
		return
	}

	user, err := h.users.FindByUsername(r.Context(), req.Username)

	if err != nil {
		http.Error(w, "Internal server error", http.StatusInternalServerError)
	}

	if user != nil {
		http.Error(w, "Username already taken", http.StatusBadRequest)
	}

	user, err = h.users.CreateUser(r.Context(), sqlc.InsertUserParams{Username: req.Username, Email: req.Email, PasswordHash: req.Password})

}