package com.team.style;

import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Objects;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * 团队编码风格演示类。
 */
public class TeamStyleService {

    private static final Logger LOGGER = Logger.getLogger(TeamStyleService.class.getName());

    private final List<OrderInfo> orderStore;

    public TeamStyleService() {
        final List<OrderInfo> store = new ArrayList<>();
        store.add(new OrderInfo("order-001", new BigDecimal("99.90")));
        store.add(new OrderInfo("order-002", new BigDecimal("199.00")));
        this.orderStore = Collections.unmodifiableList(store);
    }

    /**
     * 查询订单列表。
     *
     * @param orderId 订单编号
     * @return 订单列表
     */
    public List<OrderInfo> handleOrderQuery(final String orderId) {
        if (orderId == null || orderId.isBlank()) {
            throw new IllegalArgumentException("orderId must not be blank");
        }
        final String normalizedOrderId = orderId.strip();
        final List<OrderInfo> result = new ArrayList<>();
        for (final OrderInfo order : orderStore) {
            if (order.getOrderId().equals(normalizedOrderId)) {
                result.add(order);
            }
        }
        if (LOGGER.isLoggable(Level.FINE)) {
            LOGGER.fine("order query executed");
        }
        return result;
    }

    /**
     * 订单控制器。
     */
    public static class OrderController {

        private final TeamStyleService service;

        public OrderController(final TeamStyleService service) {
            this.service = Objects.requireNonNull(service, "service must not be null");
        }

        public List<OrderInfo> listOrders(final String orderId) {
            return service.handleOrderQuery(orderId);
        }
    }

    /**
     * 订单信息传输对象。
     *
     * @author demo
     */
    public static class OrderInfo {

        private final String orderId;
        private final BigDecimal amount;

        public OrderInfo(final String orderId, final BigDecimal amount) {
            this.orderId = orderId;
            this.amount = amount;
        }

        public String getOrderId() {
            return orderId;
        }

        public BigDecimal getAmount() {
            return amount;
        }
    }
}