package dev.dao;

import dev.database.DatabaseConnection;
import dev.model.User;

import java.sql.*;

public class UserDao {

    public boolean save(User user) {
        String sql = "INSERT INTO users (username, password, email) VALUES (?, ?, ?)";

        try(Connection conn = DatabaseConnection.getConnection();
            PreparedStatement pstmt = conn.prepareStatement(sql)){

            pstmt.setString(1, user.getUsername());
            pstmt.setString(2, user.getPassword());
            pstmt.setString(3, user.getEmail());

            int affectedRows = pstmt.executeUpdate();
            return affectedRows > 0;

        }catch (SQLException e) {
            System.err.println("Error saving user: " + e.getMessage());
            return false;
        }
    }

    public User findByUsername(String username) {
        String sql = "SELECT * FROM users WHERE username = ?";

        try(Connection conn = DatabaseConnection.getConnection();
            PreparedStatement pstmt = conn.prepareStatement(sql)){

            pstmt.setString(1, username);
            ResultSet rs = pstmt.executeQuery();

            if (rs.next()){
                return new User(
                        rs.getInt("id"),
                        rs.getString("username"),
                        rs.getString("password"),
                        rs.getString("email")
                );
            }
        } catch (SQLException e) {
            System.err.println("Error finding user: " + e.getMessage());
        }
        return null;
    }
}