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 ps = conn.prepareStatement(sql)) {

            ps.setInt(1, order.getUserId());
            ps.setDouble(2, order.getTotalPrice());
            ResultSet rs = ps.executeQuery();

            if (rs.next()) return rs.getInt(1);  // return generated id

        } catch (SQLException e) {
            System.out.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 ps = conn.prepareStatement(sql)) {

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

            while (rs.next()) {
                Order order = new Order();
                order.setId(rs.getInt("id"));
                order.setUserId(rs.getInt("user_id"));
                order.setCreatedAt(rs.getTimestamp("created_at").toLocalDateTime());
                order.setTotalPrice(rs.getDouble("total_price"));
                orders.add(order);
            }

        } catch (SQLException e) {
            System.out.println("Error fetching orders: " + e.getMessage());
        }
        return orders;
    }
}