package dev.dao;

import dev.database.DatabaseConnection;
import dev.model.Order;

import java.sql.*;
import java.util.ArrayList;
import java.util.List;

public class OrderDao {

    public int save(Order order) {
        String sql = "INSERT INTO orders (user_id, total_price) VALUES (?, ?) RETURNING id";

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

             pstmt.setInt(1, order.getUserId());
             pstmt.setDouble(2, order.getTotalPrice());

            try (ResultSet rs = pstmt.executeQuery()) {
                if (rs.next()) {
                    return rs.getInt(1);
                }
            }
        } catch (SQLException e) {
            System.err.println("Error saving order: " + e.getMessage());
        }
        return -1;
    }

    public List<Order> findByUserId(int userId) {
        List<Order> orders = new ArrayList<>();
        String sql = "SELECT * FROM orders WHERE user_id = ? ORDER BY created_at DESC";

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

            pstmt.setInt(1, userId);
            ResultSet rs = pstmt.executeQuery();

            while (rs.next()){
                Order order = new Order(
                        rs.getInt("id"),
                        rs.getInt("user_id"),
                        rs.getTimestamp("created_at").toLocalDateTime(),
                        rs.getDouble("total_price")
                );
                orders.add(order);
            }
        } catch (SQLException e) {
            System.err.println("Error fetching order history: " + e.getMessage());
        }
        return orders;
    }
}