package com.talentcard.server.business.merchant;

import java.sql.Timestamp;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.Duration;
import java.math.BigDecimal;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;

import com.talentcard.server.business.BusinessIdGenerator;
import com.talentcard.server.business.DatabaseRows;
import com.talentcard.server.business.PageResult;
import com.talentcard.server.business.merchant.auth.MerchantPrincipal;
import com.talentcard.server.business.order.OrderFundBoundaryService;
import com.talentcard.server.business.payment.PaymentFundConfirmationService;
import com.talentcard.server.business.payment.HuifuRefundService;
import com.talentcard.server.business.portal.ProductPriceCalculator;
import com.talentcard.server.common.BusinessException;
import com.talentcard.server.common.ErrorCode;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import tools.jackson.core.type.TypeReference;
import tools.jackson.databind.ObjectMapper;

@Service
public class MerchantWorkService {
	private static final long REVOCATION_HOURS = 3;
	private static final ObjectMapper OBJECT_MAPPER = new ObjectMapper();
	private static final TypeReference<List<Map<String, Object>>> RIGHTS_TYPE = new TypeReference<>() {};

	private final JdbcTemplate jdbcTemplate;
	private final ManualConsumptionService manualConsumptionService;
	private final OrderFundBoundaryService orderFundBoundary;
	private final com.talentcard.server.business.order.OrderVerificationService orderVerificationService;
	private final HuifuRefundService refundService;
	private final PaymentFundConfirmationService fundConfirmation;

	public MerchantWorkService(JdbcTemplate jdbcTemplate, ManualConsumptionService manualConsumptionService,
			OrderFundBoundaryService orderFundBoundary,
			com.talentcard.server.business.order.OrderVerificationService orderVerificationService,
			HuifuRefundService refundService,
			PaymentFundConfirmationService fundConfirmation) {
		this.jdbcTemplate = jdbcTemplate;
		this.manualConsumptionService = manualConsumptionService;
		this.orderFundBoundary = orderFundBoundary;
		this.orderVerificationService = orderVerificationService;
		this.refundService = refundService;
		this.fundConfirmation = fundConfirmation;
	}

	@Transactional(readOnly = true)
	public PageResult<Map<String, Object>> orders(Long merchantId, Long storeId, int page, int size, MerchantOrderQuery query) {
		if (query != null && "stay".equals(normalize(query.category()))) {
			return freeStayOrders(merchantId, storeId, page, size, query);
		}
		// 观影券（票包领取记录）在商户眼里也是「团购」的一份流水，和 benefit_order 混排分页。
		if (query != null && "group".equals(normalize(query.category()))) {
			return groupOrders(merchantId, storeId, page, size, query);
		}
		// 退款到不到最终结果只有通道知道，退款通知又会遇到和支付通知一样的问题（本地/内网环境收不到）。
		// 读列表之前先把这家商户在途的退款收敛一次，免得商户看到的退款状态比人才端晚几分钟。这一步必须
		// 排在本事务的第一条读语句之前，否则列表读到的是收敛前的旧快照。免费入住没有退款，走上面的分支。
		refundService.confirmPendingRefundsOfMerchant(merchantId, HuifuRefundService.PENDING_CONFIRM_LIMIT);
		int safePage = Math.max(page, 1);
		int safeSize = Math.min(Math.max(size, 1), 100);
		OrderFilters filters = filters(query);
		String conditions = " where o.deleted = 0 and o.merchant_id = ? and (o.store_id is null or o.store_id = ?)" + filters.conditions();
		List<Object> arguments = new ArrayList<>();
		arguments.add(merchantId);
		arguments.add(storeId);
		arguments.addAll(filters.arguments());

		String recordSql = """
				select o.id, o.order_no, tu.name as talent_name, tu.mobile as talent_mobile, tu.gender,
				       coalesce(nullif(o.card_level_snapshot, ''), tc.card_level) as card_level,
				       b.benefit_name, o.product_name_snapshot, o.order_type, o.order_amount, o.subsidy_amount, o.pay_amount,
				       o.order_status, o.verify_status, o.refund_status, o.created_at, verified.verify_time
				from benefit_order o
				left join talent_user tu on tu.id = o.talent_id
				left join talent_card tc on tc.id = o.card_id
				left join benefit b on b.id = o.benefit_id
				left join (select order_id, max(verify_time) verify_time from verify_record where status = 1 group by order_id) verified on verified.order_id = o.id
				""" + conditions + " order by o.created_at desc, o.id desc limit ? offset ?";
		List<Object> recordArguments = new ArrayList<>(arguments);
		recordArguments.add(safeSize);
		recordArguments.add((safePage - 1) * safeSize);
		List<Map<String, Object>> records = query(recordSql, recordArguments.toArray()).stream().map(this::toListItem).toList();
		Long total = jdbcTemplate.queryForObject("select count(*) from benefit_order o" + conditions, Long.class, arguments.toArray());
		return new PageResult<>(records, safePage, safeSize, total == null ? 0 : total);
	}

	public PageResult<Map<String, Object>> orders(Long merchantId, Long storeId, int page, int size) {
		return orders(merchantId, storeId, page, size, new MerchantOrderQuery(null, null, null, null));
	}

	@Transactional(readOnly = true)
	public Map<String, Object> order(String orderNo, Long merchantId, Long storeId) {
		List<Map<String, Object>> rows = query("""
				select o.id, o.order_no, o.talent_id, tu.name as talent_name, tu.mobile as talent_mobile, tu.gender,
				       o.card_id, tc.card_no, coalesce(nullif(o.card_level_snapshot, ''), tc.card_level) as card_level,
				       o.benefit_id, b.benefit_name,
				       o.merchant_id, m.merchant_name, m.merchant_rights_config,
				       o.product_id, o.product_name_snapshot, p.rights_config,
				       p.cover_url as product_cover_url, m.cover_url as merchant_cover_url,
				       o.order_type, o.order_amount, o.base_pay_amount, o.coupon_amount,
				       o.subsidy_amount, o.pay_amount, o.order_status, o.verify_status, o.refund_status, o.created_at,
				       vr.verify_time, vr.status as verify_record_status
				from benefit_order o
				left join talent_user tu on tu.id = o.talent_id
				left join talent_card tc on tc.id = o.card_id
				left join benefit b on b.id = o.benefit_id
				left join merchant m on m.id = o.merchant_id
				left join merchant_product p on p.id = o.product_id and p.deleted = 0
				left join verify_record vr on vr.order_id = o.id and vr.status = 1
				where o.deleted = 0 and o.order_no = ? and o.merchant_id = ? and (o.store_id is null or o.store_id = ?)
				""", orderNo, merchantId, storeId);
		if (rows.isEmpty()) {
			List<Map<String, Object>> freeStayRows = query("""
					select r.id, r.verify_no as order_no, r.talent_id, tu.name as talent_name, tu.mobile as talent_mobile, tu.gender,
					       r.card_id, tc.card_no, tc.card_level, r.merchant_id, m.merchant_name, m.merchant_rights_config,
					       m.cover_url as merchant_cover_url,
					       '免费入住' as benefit_name, '1天免费入住' as product_name_snapshot,
					       'FREE_STAY' as order_type, 0 as order_amount, 0 as base_pay_amount, 0 as coupon_amount,
					       r.subsidy_amount, 0 as pay_amount, 1 as order_status, 1 as verify_status, 0 as refund_status,
					       r.verify_time as created_at, r.verify_time, r.status as verify_record_status
					from verify_record r
					left join talent_user tu on tu.id = r.talent_id
					left join talent_card tc on tc.id = r.card_id
					left join merchant m on m.id = r.merchant_id
					where r.verify_no = ? and r.verify_type = 'HOTEL_FREE' and r.status = 1
					  and r.merchant_id = ? and (r.store_id is null or r.store_id = ?)
					limit 1
					""", orderNo, merchantId, storeId);
			if (freeStayRows.isEmpty()) throw new BusinessException(ErrorCode.NOT_FOUND, "订单不存在");
			return enrichOrder(freeStayRows.get(0));
		}
		return enrichOrder(rows.get(0));
	}

	private PageResult<Map<String, Object>> freeStayOrders(Long merchantId, Long storeId, int page, int size, MerchantOrderQuery query) {
		int safePage = Math.max(page, 1);
		int safeSize = Math.min(Math.max(size, 1), 100);
		StringBuilder condition = new StringBuilder(" where r.verify_type = 'HOTEL_FREE' and r.status = 1 and r.merchant_id = ? and (r.store_id is null or r.store_id = ?)");
		List<Object> arguments = new ArrayList<>();
		arguments.add(merchantId);
		arguments.add(storeId);
		LocalDate startDate = date(query.startDate(), "开始日期");
		LocalDate endDate = date(query.endDate(), "结束日期");
		if (startDate != null && endDate != null && startDate.isAfter(endDate)) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "开始日期不能晚于结束日期");
		}
		if (startDate != null) {
			condition.append(" and r.verify_time >= ?");
			arguments.add(Timestamp.valueOf(startDate.atStartOfDay()));
		}
		if (endDate != null) {
			condition.append(" and r.verify_time < ?");
			arguments.add(Timestamp.valueOf(endDate.plusDays(1).atStartOfDay()));
		}
		String select = """
				select r.id, r.verify_no as order_no, r.talent_id, tu.name as talent_name, tu.mobile as talent_mobile, tu.gender,
				       r.card_id, tc.card_level, r.merchant_id, m.merchant_name,
				       '免费入住' as benefit_name, '1天免费入住' as product_name_snapshot,
				       'FREE_STAY' as order_type, 0 as order_amount, 0 as base_pay_amount, 0 as coupon_amount,
				       r.subsidy_amount, 0 as pay_amount, 1 as order_status, 1 as verify_status, 0 as refund_status,
				       r.verify_time as created_at, r.verify_time
				from verify_record r
				left join talent_user tu on tu.id = r.talent_id
				left join talent_card tc on tc.id = r.card_id
				left join merchant m on m.id = r.merchant_id
				""" + condition + " order by r.verify_time desc, r.id desc limit ? offset ?";
		List<Object> recordArguments = new ArrayList<>(arguments);
		recordArguments.add(safeSize);
		recordArguments.add((safePage - 1) * safeSize);
		List<Map<String, Object>> records = query(select, recordArguments.toArray()).stream().map(this::toListItem).toList();
		Long total = jdbcTemplate.queryForObject("select count(*) from verify_record r" + condition, Long.class, arguments.toArray());
		return new PageResult<>(records, safePage, safeSize, total == null ? 0 : total);
	}

	/**
	 * 团购列表：普通团购订单与观影券（票包领取记录）混排。
	 *
	 * <p>观影券不是 benefit_order：兑换码由后台票包码池批量发放，领取记录落在 ticket_package_claim，
	 * 只有核销时才写 benefit_verify_record。但商户在「团购」里看到的应该是一份按时间倒序的流水，
	 * 所以这里把两类记录并成一张表再统一分页，避免前端拿到两段各自分页的数据拼不齐。
	 */
	@Transactional(readOnly = true)
	private PageResult<Map<String, Object>> groupOrders(Long merchantId, Long storeId, int page, int size, MerchantOrderQuery query) {
		refundService.confirmPendingRefundsOfMerchant(merchantId, HuifuRefundService.PENDING_CONFIRM_LIMIT);
		int safePage = Math.max(page, 1);
		int safeSize = Math.min(Math.max(size, 1), 100);
		OrderFilters filters = filters(query);
		// 观影券只有已发放/已使用两种有效状态，退款、待支付这些团购态在它身上不存在，按状态筛成空集。
		String claimStatusCondition = switch (normalize(query == null ? null : query.status())) {
			case "", "all" -> "";
			case "pending_verification" -> " and cl.status = 'ISSUED'";
			case "completed" -> " and cl.status = 'USED'";
			case "pending_payment" -> " and 1 = 0";
			case "closed" -> " and cl.status in ('EXPIRED', 'CANCELLED')";
			default -> throw new BusinessException(ErrorCode.BAD_REQUEST, "订单状态无效");
		};
		LocalDate startDate = date(query == null ? null : query.startDate(), "开始日期");
		LocalDate endDate = date(query == null ? null : query.endDate(), "结束日期");
		StringBuilder claimConditions = new StringBuilder(claimStatusCondition);
		List<Object> claimArguments = new ArrayList<>();
		claimArguments.add(merchantId);
		// 时间筛选沿用「下单时间」口径：观影券的下单时间就是领取时间。
		if (startDate != null) {
			claimConditions.append(" and cl.created_at >= ?");
			claimArguments.add(Timestamp.valueOf(startDate.atStartOfDay()));
		}
		if (endDate != null) {
			claimConditions.append(" and cl.created_at < ?");
			claimArguments.add(Timestamp.valueOf(endDate.plusDays(1).atStartOfDay()));
		}
		String orderSource = """
				select cast(o.id as char) as id, o.order_no as order_no, 'GROUP_BUY' as order_type,
				       tu.name as talent_name, tu.mobile as talent_mobile, tu.gender,
				       coalesce(nullif(o.card_level_snapshot, ''), tc.card_level) as card_level,
				       o.product_name_snapshot, b.benefit_name, o.order_amount, o.subsidy_amount, o.pay_amount,
				       o.order_status, o.verify_status, o.refund_status, o.created_at,
				       verified.verify_time, '' as source_type, null as claim_id, o.created_at as sort_time, 0 as source_rank, o.id as sort_seq
				from benefit_order o
				left join talent_user tu on tu.id = o.talent_id
				left join talent_card tc on tc.id = o.card_id
				left join benefit b on b.id = o.benefit_id
				left join (select order_id, max(verify_time) verify_time from verify_record where status = 1 group by order_id) verified on verified.order_id = o.id
				where o.deleted = 0 and o.merchant_id = ? and (o.store_id is null or o.store_id = ?)
				""" + filters.conditions();
		String claimSource = """
				select concat('TP', cl.id) as id, cl.claim_no as order_no, 'GROUP_BUY' as order_type,
				       cl.talent_name as talent_name, cl.talent_mobile as talent_mobile, tu.gender,
				       cl.card_level as card_level,
				       '观影券1张' as product_name_snapshot, '观影券' as benefit_name,
				       0 as order_amount, 0 as subsidy_amount, 0 as pay_amount,
				       case when cl.status in ('ISSUED', 'USED') then 1 else 2 end as order_status,
				       case when cl.status = 'USED' then 1 else 0 end as verify_status,
				       0 as refund_status, cl.created_at,
				       case when cl.status = 'USED' then cl.used_at else null end as verify_time,
				       'TICKET_PACKAGE' as source_type, cl.id as claim_id, cl.created_at as sort_time, 1 as source_rank, cl.id as sort_seq
				from ticket_package_claim cl
				left join talent_user tu on tu.id = cl.talent_id
				where cl.deleted = 0 and cl.merchant_id = ?
				""" + claimConditions;
		String recordSql = """
				select t.id, t.order_no, t.order_type, t.talent_name, t.talent_mobile, t.gender, t.card_level,
				       t.product_name_snapshot, t.benefit_name, t.order_amount, t.subsidy_amount, t.pay_amount,
				       t.order_status, t.verify_status, t.refund_status, t.created_at, t.verify_time, t.source_type, t.claim_id
				from (
				""" + orderSource + "\n union all \n" + claimSource + """
				) t
				order by t.sort_time desc, t.source_rank asc, t.sort_seq desc
				limit ? offset ?
				""";
		List<Object> recordArguments = new ArrayList<>();
		recordArguments.add(merchantId);
		recordArguments.add(storeId);
		recordArguments.addAll(filters.arguments());
		recordArguments.addAll(claimArguments);
		recordArguments.add(safeSize);
		recordArguments.add((safePage - 1) * safeSize);
		List<Map<String, Object>> records = query(recordSql, recordArguments.toArray()).stream().map(this::toListItem).toList();
		String countSql = "select (select count(*) from benefit_order o where o.deleted = 0 and o.merchant_id = ? and (o.store_id is null or o.store_id = ?)"
				+ filters.conditions() + ") + (select count(*) from ticket_package_claim cl where cl.deleted = 0 and cl.merchant_id = ?"
				+ claimConditions + ")";
		List<Object> countArguments = new ArrayList<>();
		countArguments.add(merchantId);
		countArguments.add(storeId);
		countArguments.addAll(filters.arguments());
		countArguments.addAll(claimArguments);
		Long total = jdbcTemplate.queryForObject(countSql, Long.class, countArguments.toArray());
		return new PageResult<>(records, safePage, safeSize, total == null ? 0 : total);
	}

	/**
	 * 观影券领取记录详情：商户在「团购」里点开观影券那一条时看到的信息。
	 *
	 * <p>观影券没有 benefit_order，行项目来自 ticket_package_claim；核销时间取 used_at。
	 */
	@Transactional(readOnly = true)
	public Map<String, Object> ticketPackageClaim(Long claimId, Long merchantId) {
		if (claimId == null || claimId <= 0) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "观影券领取记录ID不能为空");
		}
		List<Map<String, Object>> rows = query("""
				select cl.id, cl.claim_no, cl.package_id, p.package_name, cl.merchant_id, m.merchant_name,
				       m.merchant_rights_config,
				       cl.talent_name, cl.talent_mobile, tu.gender, cl.card_level, cl.card_no,
				       cl.status, cl.valid_end, cl.used_at, cl.created_at
				from ticket_package_claim cl
				join ticket_package p on p.id = cl.package_id and p.deleted = 0
				left join merchant m on m.id = cl.merchant_id and m.deleted = 0
				left join talent_user tu on tu.id = cl.talent_id
				where cl.id = ? and cl.deleted = 0 and cl.merchant_id = ?
				limit 1
				""", claimId, merchantId);
		if (rows.isEmpty()) {
			throw new BusinessException(ErrorCode.NOT_FOUND, "观影券领取记录不存在或不属于当前商户");
		}
		Map<String, Object> row = rows.get(0);
		boolean used = "USED".equalsIgnoreCase(text(row.get("status")));
		String cardLevel = text(row.get("cardLevel"));
		Map<String, Object> result = new LinkedHashMap<>();
		result.put("type", "TICKET_PACKAGE");
		result.put("claimId", row.get("id"));
		result.put("claimNo", text(row.get("claimNo")));
		result.put("title", "观影券1张");
		result.put("quantity", 1);
		result.put("packageName", text(row.get("packageName")));
		result.put("merchantName", text(row.get("merchantName")));
		result.put("customerName", displayName(row.get("talentName"), number(row.get("gender"))));
		result.put("customerMobile", maskMobile(String.valueOf(row.get("talentMobile"))));
		result.put("cardLevel", cardLevel);
		result.put("status", used ? "completed" : "pending_verification");
		result.put("statusText", used ? "已核销" : "待核销");
		result.put("createdAt", row.get("createdAt"));
		result.put("usedAt", row.get("usedAt"));
		result.put("benefitText", ticketPackageBenefitText(row.get("merchantRightsConfig"), merchantId, cardLevel));
		return result;
	}

	/**
	 * 观影券详情的「当前权益」：与到店消费同一套口径——先取商家人才权益里该等级配置的描述，
	 * 没配再回落到商户的到店消费权益文案，避免商户在观影券详情看到一句没有信息量的兜底话术。
	 */
	private String ticketPackageBenefitText(Object rightsConfig, Long merchantId, String cardLevel) {
		if (cardLevel.isBlank()) return "";
		String configured = merchantBenefitDetail(rightsConfig, cardLevel);
		if (!configured.isBlank()) return configured;
		return manualConsumptionService.benefitTextForMerchant(merchantId, cardLevel);
	}

	@Transactional
	public Map<String, Object> verify(String orderNo, MerchantPrincipal principal, VerifyRequest request, String idempotencyKey) {
		if (idempotencyKey == null || idempotencyKey.isBlank()) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "缺少幂等键");
		}
		Map<String, Object> order = order(orderNo, principal.merchantId(), principal.storeId());
		// 先锁订单行，再复查幂等键和资金状态：并发核销（同键或不同键）都排队在这把锁上，
		// 后来者要么拿到首次结果，要么看到订单已核销。
		OrderFundBoundaryService.LockedOrder locked = orderFundBoundary.lock(number(order.get("id")));
		List<Map<String, Object>> repeated = query("""
				select order_id from verify_record where idempotency_key = ? and merchant_id = ? limit 1
				""", idempotencyKey.trim(), principal.merchantId());
		if (!repeated.isEmpty()) {
			if (!String.valueOf(order.get("id")).equals(String.valueOf(repeated.get(0).get("orderId")))) {
				throw new BusinessException(ErrorCode.CONFLICT, "幂等键已用于其他订单");
			}
			return order(orderNo, principal.merchantId(), principal.storeId());
		}
		locked.requireVerifiable();

		// 扫码后核销会带上扫码尝试编号：核销成功时要把这次尝试标记为已完成，并校验扫码码未过期。
		Attempt attempt = attempt(request.verificationId(), principal);
		// 核销只有一份实现：置订单已核销、写核销记录、确认延迟入账的资金。确认失败不会回滚核销
		// （用户的服务已经核销掉了），资金保持待确认并由补偿任务重试。
		String verifyNo = orderVerificationService.verifyByMerchant(principal.merchantId(), principal.storeId(),
				principal.operatorId(), locked.orderId(),
				verifyType(request.verifyType()), value(order.get("payAmount")), value(order.get("subsidyAmount")),
				request.remark(), attempt.id(), idempotencyKey.trim(), attempt.expiresAt());
		if (verifyNo.isBlank()) {
			throw new BusinessException(ErrorCode.CONFLICT, "订单已核销");
		}
		return order(orderNo, principal.merchantId(), principal.storeId());
	}

	/** 核销方式不传时按商户现场核销处理。 */
	private String verifyType(String requested) {
		return requested == null || requested.isBlank() ? "merchant" : requested.trim();
	}

	/**
	 * 手输 6 位数字核销码之后的确认核销。
	 *
	 * <p>为什么不复用 {@code /api/merchant/orders/{orderNo}/verify}：手输那条路的扫码答复刻意不返回
	 * 「这个码属于哪笔订单」（6 位只有 100 万空间，带回去等于给枚举一张映射表），所以客户端拿不到单号。
	 * 这里由服务端从扫码尝试反查订单，再走同一套核销实现——幂等、行锁、资金确认都不重复写第二份。
	 */
	@Transactional
	public Map<String, Object> confirmNumericVerification(MerchantPrincipal principal, String verificationId, String idempotencyKey) {
		if (idempotencyKey == null || idempotencyKey.isBlank()) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "缺少幂等键");
		}
		String attemptId = verificationId == null ? "" : verificationId.trim();
		if (attemptId.isBlank()) throw new BusinessException(ErrorCode.BAD_REQUEST, "缺少核销凭证编号");
		List<Map<String, Object>> orders = query("""
				select o.order_no
				from merchant_verification_attempt a
				join order_dynamic_verification_code c on c.id = a.order_verification_code_id
				join benefit_order o on o.id = c.order_id and o.deleted = 0
				where a.verification_id = ? and a.credential_type = 'ORDER_CODE'
				  and a.merchant_id = ? and a.store_id = ? and a.operator_id = ?
				limit 1
				""", attemptId, principal.merchantId(), principal.storeId(), principal.operatorId());
		if (orders.isEmpty()) throw new BusinessException(ErrorCode.NOT_FOUND, "核销凭证不存在或无权操作");
		return verify(String.valueOf(orders.get(0).get("orderNo")).trim(), principal,
				new VerifyRequest("ORDER_CODE", "", attemptId), idempotencyKey);
	}

	/** 扫码尝试：核销成功后要标记完成，并且只有扫码码未过期才能核销。 */
	private record Attempt(Long id, java.time.LocalDateTime expiresAt) { }

	/** 把扫码尝试编号解析成主键与有效期；不属于当前商户/门店/操作员的尝试视为不存在。 */
	private Attempt attempt(String verificationId, MerchantPrincipal principal) {
		if (verificationId == null || verificationId.isBlank()) return new Attempt(null, null);
		List<Map<String, Object>> attempts = query("""
				select id, expires_at from merchant_verification_attempt
				where verification_id = ? and merchant_id = ? and store_id = ? and operator_id = ?
				limit 1
				""", verificationId.trim(), principal.merchantId(), principal.storeId(), principal.operatorId());
		if (attempts.isEmpty()) throw new BusinessException(ErrorCode.NOT_FOUND, "核销凭证不存在或无权操作");
		return new Attempt(number(attempts.get(0).get("id")), time(attempts.get(0).get("expiresAt")));
	}

	@Transactional
	public Map<String, Object> revokeVerification(MerchantPrincipal principal, MerchantRevokeVerificationRequest request, String idempotencyKey) {
		if (idempotencyKey == null || idempotencyKey.isBlank()) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "缺少幂等键");
		}
		String normalizedIdempotencyKey = idempotencyKey.trim();
		Long orderId;
		try {
			orderId = Long.valueOf(request.orderId().trim());
		} catch (NumberFormatException exception) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "订单编号无效");
		}
		List<Map<String, Object>> keyOwner = query("""
				select order_id from verify_record where revoke_idempotency_key = ? limit 1
				""", normalizedIdempotencyKey);
		// 幂等键归属必须按值比较：两个 Long 用 != 只在 -128..127 的缓存区间内碰巧相等，
		// 订单 ID 一旦超过这个区间，重复撤销就会被误判成「幂等键已用于其他订单」。
		if (!keyOwner.isEmpty() && !Objects.equals(number(keyOwner.get(0).get("orderId")), orderId)) {
			throw new BusinessException(ErrorCode.CONFLICT, "幂等键已用于其他订单");
		}
		List<Map<String, Object>> repeated = query("""
				select vr.revoked_at
				from verify_record vr
				join benefit_order o on o.id = vr.order_id
				where vr.revoke_idempotency_key = ? and o.id = ? and o.deleted = 0
				  and o.merchant_id = ? and (o.store_id is null or o.store_id = ?)
				limit 1
				""", normalizedIdempotencyKey, orderId, principal.merchantId(), principal.storeId());
		if (!repeated.isEmpty()) {
			return revokeResult(orderId, time(repeated.get(0).get("revokedAt")));
		}
		List<Map<String, Object>> orders = query("""
				select o.id, o.order_no, o.order_type, o.order_status, o.verify_status,
				       o.merchant_id, o.store_id, vr.id verify_record_id, vr.verify_time
				from benefit_order o
				left join verify_record vr on vr.order_id = o.id and vr.status = 1
				where o.id = ? and o.deleted = 0 and o.merchant_id = ? and (o.store_id is null or o.store_id = ?)
				""", orderId, principal.merchantId(), principal.storeId());
		if (orders.isEmpty()) throw new BusinessException(ErrorCode.NOT_FOUND, "订单不存在");
		Map<String, Object> order = orders.get(0);
		// 撤销核销与核销、退款共用同一把订单行锁；锁内读到的核销记录才是稳定的。
		orderFundBoundary.lock(orderId);
		if (!"GROUP_BUY".equals(String.valueOf(order.get("orderType")))) {
			throw new BusinessException(ErrorCode.CONFLICT, "当前业务类型不支持撤销核销");
		}
		if (number(order.get("verifyStatus")) == null || number(order.get("verifyStatus")) != 1
				|| number(order.get("verifyRecordId")) == null) {
			throw new BusinessException(ErrorCode.CONFLICT, "订单当前不可撤销核销");
		}
		LocalDateTime verifyTime = time(order.get("verifyTime"));
		if (verifyTime == null || Duration.between(verifyTime, LocalDateTime.now()).toHours() >= REVOCATION_HOURS) {
			throw new BusinessException(ErrorCode.CONFLICT, "已过可撤销时间");
		}
		// 核销成功时钱已经确认给了商户（基本户），撤销核销必须先把钱退回通道延迟户。回退没成功就不许
		// 翻单：否则订单显示「待核销」，钱却已经结算给商户，商户还能拿着这张单再核销一次。
		String revertOutcome = fundConfirmation.revertForOrder(orderId);
		if (!PaymentFundConfirmationService.moneyBackInDelayAccount(revertOutcome)) {
			throw new BusinessException(ErrorCode.CONFLICT,
					PaymentFundConfirmationService.revertRefusalMessage(revertOutcome));
		}
		String reason = request.reason() == null || request.reason().isBlank() ? "商户撤销核销" : request.reason().trim();
		int updated = jdbcTemplate.update("""
				update verify_record set status = 2, revoked_at = now(), revoked_by = ?, revoke_reason = ?, revoke_idempotency_key = ?
				where id = ? and status = 1
				""", principal.operatorId(), reason, normalizedIdempotencyKey, number(order.get("verifyRecordId")));
		if (updated == 0) throw new BusinessException(ErrorCode.CONFLICT, "核销已被处理，请刷新后重试");
		jdbcTemplate.update("update benefit_order set verify_status = 0 where id = ? and verify_status = 1", orderId);
		return revokeResult(orderId, LocalDateTime.now());
	}

	private Map<String, Object> revokeResult(Long orderId, LocalDateTime revokedAt) {
		Map<String, Object> result = new LinkedHashMap<>();
		result.put("orderId", String.valueOf(orderId));
		result.put("orderStatus", "pending_verification");
		result.put("orderStatusText", "待核销");
		result.put("revokedAt", (revokedAt == null ? LocalDateTime.now() : revokedAt).toString());
		return result;
	}

	private String revokeReason(String orderType) {
		return "GROUP_BUY".equals(orderType) ? "已过可撤销时间" : "当前业务类型不支持撤销核销";
	}

	private Map<String, Object> enrichOrder(Map<String, Object> order) {
		Map<String, Object> result = new LinkedHashMap<>(order);
		String orderType = String.valueOf(order.get("orderType"));
		String category = "GROUP_BUY".equals(orderType) ? "group" : ("STORE_CONSUME".equals(orderType) ? "store" : "stay");
		Long orderStatus = number(order.get("orderStatus"));
		Long verifyStatus = number(order.get("verifyStatus"));
		Long refundStatus = number(order.get("refundStatus"));
		LocalDateTime verifyTime = time(order.get("verifyTime"));
		// 核销状态必须同时有有效核销记录和核销时间。历史数据可能只更新了
		// benefit_order.verify_status，不能据此把订单展示为已完成。
		boolean verified = verifyStatus != null && verifyStatus == 1 && verifyTime != null;
		// 与列表同一口径：待支付 → 退款中/已退款 → 已取消 → 已完成 → 待核销。
		String status;
		if (orderStatus != null && orderStatus == 0) status = "pending_payment";
		else if (refundStatus != null && refundStatus != 0) status = "refunded";
		else if (orderStatus != null && orderStatus == 2) status = "cancelled";
		else status = verified ? "completed" : "pending_verification";
		result.put("category", category);
		result.put("status", status);
		result.put("statusText", statusText(status, refundStatus, category));
		result.put("customerName", displayName(order.get("talentName"), number(order.get("gender"))));
		result.put("customerMobile", maskMobile(String.valueOf(order.get("talentMobile"))));
		result.put("title", orderTitle(order, category));
		result.put("benefitName", currentBenefitText(order, category));
		long orderAmount = number(order.get("orderAmount")) == null ? 0 : number(order.get("orderAmount"));
		long payAmount = number(order.get("payAmount")) == null ? 0 : number(order.get("payAmount"));
		long basePayAmount = number(order.get("basePayAmount")) == null ? orderAmount : number(order.get("basePayAmount"));
		long couponAmount = number(order.get("couponAmount")) == null ? 0 : number(order.get("couponAmount"));
		long configuredSubsidyAmount = number(order.get("subsidyAmount")) == null ? 0 : number(order.get("subsidyAmount"));
		long totalDiscount = Math.max(0, orderAmount - payAmount);
		long talentDiscountAmount = Math.max(0, orderAmount - basePayAmount);
		if ("GROUP_BUY".equals(orderType)) {
			couponAmount = Math.max(0, Math.min(couponAmount, totalDiscount));
			// Older group-buy orders were created before all price snapshots were
			// consistently persisted. Reconcile the displayed breakdown with the
			// actual paid amount while preserving any valid coupon snapshot.
			if (talentDiscountAmount + couponAmount != totalDiscount) {
				talentDiscountAmount = Math.max(0, totalDiscount - couponAmount);
			}
			result.put("subsidyAmount", totalDiscount);
		}
		result.put("talentDiscountAmount", talentDiscountAmount);
		result.put("couponAmount", couponAmount);
		// 免费入住没有 benefit_order 金额，补贴来自核销记录中的后台配置，不能按原价减实付覆盖为 0。
		result.put("subsidyAmount", "FREE_STAY".equals(orderType) ? configuredSubsidyAmount : totalDiscount);
		boolean canRevoke = "GROUP_BUY".equals(orderType) && verifyTime != null && Duration.between(verifyTime, LocalDateTime.now()).toHours() < REVOCATION_HOURS && verifyStatus != null && verifyStatus == 1;
		result.put("canRevoke", canRevoke);
		result.put("revokeDeadline", verifyTime == null ? null : verifyTime.plusHours(REVOCATION_HOURS).toString());
		result.put("revokeReason", canRevoke ? "" : revokeReason(orderType));
		return result;
	}

	private List<Map<String, Object>> query(String sql, Object... args) {
		return DatabaseRows.normalize(jdbcTemplate.queryForList(sql, args));
	}

	private OrderFilters filters(MerchantOrderQuery query) {
		MerchantOrderQuery value = query == null ? new MerchantOrderQuery(null, null, null, null) : query;
		StringBuilder conditions = new StringBuilder();
		List<Object> arguments = new ArrayList<>();
		String category = normalize(value.category());
		if (!category.isEmpty()) {
			String orderType = switch (category) {
				case "group" -> "GROUP_BUY";
				case "store" -> "STORE_CONSUME";
				case "stay" -> "FREE_STAY";
				default -> throw new BusinessException(ErrorCode.BAD_REQUEST, "订单业务类型无效");
			};
			conditions.append(" and o.order_type = ?");
			arguments.add(orderType);
		}
		String status = normalize(value.status());
		if (!status.isEmpty() && !"all".equals(status)) {
			switch (status) {
				// 待核销要排除退款中/已退款的订单：它们已经离开可核销范围，点核销只会被资金边界拒绝。
				case "pending_verification" -> conditions.append(" and o.order_status = 1 and o.verify_status = 0 and o.refund_status = 0");
				case "pending_payment" -> conditions.append(" and o.order_status = 0");
				case "completed" -> conditions.append(" and o.order_status = 1 and o.verify_status = 1");
				// 离开支付流程的订单：未支付被取消，或已经退款（含退款中）。
				case "closed" -> conditions.append(" and (o.order_status = 2 or o.refund_status <> 0)");
				default -> throw new BusinessException(ErrorCode.BAD_REQUEST, "订单状态无效");
			}
		}
		LocalDate startDate = date(value.startDate(), "开始日期");
		LocalDate endDate = date(value.endDate(), "结束日期");
		if (startDate != null && endDate != null && startDate.isAfter(endDate)) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, "开始日期不能晚于结束日期");
		}
		if (startDate != null) {
			conditions.append(" and o.created_at >= ?");
			arguments.add(Timestamp.valueOf(startDate.atStartOfDay()));
		}
		if (endDate != null) {
			conditions.append(" and o.created_at < ?");
			arguments.add(Timestamp.valueOf(endDate.plusDays(1).atStartOfDay()));
		}
		return new OrderFilters(conditions.toString(), arguments);
	}

	private Map<String, Object> toListItem(Map<String, Object> order) {
		Map<String, Object> result = new LinkedHashMap<>(order);
		String category = category(String.valueOf(order.get("orderType")));
		Long refundStatus = number(order.get("refundStatus"));
		String status = status(number(order.get("orderStatus")), number(order.get("verifyStatus")), refundStatus);
		result.put("category", category);
		result.put("status", status);
		result.put("statusText", statusText(status, refundStatus, category));
		result.put("customerName", displayName(order.get("talentName"), number(order.get("gender"))));
		result.put("customerMobile", maskMobile(String.valueOf(order.get("talentMobile"))));
		result.put("title", orderTitle(order, category));
		return result;
	}

	private String orderTitle(Map<String, Object> order, String category) {
		String snapshot = text(order.get("productNameSnapshot"));
		if (!snapshot.isBlank()) return snapshot;
		String benefit = text(order.get("benefitName"));
		return benefit.isBlank() ? categoryTitle(category) : benefit;
	}

	private String currentBenefitText(Map<String, Object> order, String category) {
		String cardLevel = text(order.get("cardLevel"));
		String merchantDetail = merchantBenefitDetail(order.get("merchantRightsConfig"), cardLevel);
		if (!merchantDetail.isBlank()) return merchantDetail;
		if ("store".equals(category)) {
			Long merchantId = number(order.get("merchantId"));
			return merchantId == null ? "以当前商户到店消费规则为准" : manualConsumptionService.benefitTextForMerchant(merchantId, cardLevel);
		}
		if ("group".equals(category)) {
			ProductPriceCalculator.ProductRight right = ProductPriceCalculator.productRight(order.get("rightsConfig"), cardLevel);
			if (right != null) return productBenefitText(right);
		}
		String configured = text(order.get("benefitName"));
		return configured.isBlank() ? "以当前订单权益规则为准" : configured;
	}

	private String merchantBenefitDetail(Object rawConfig, String cardLevel) {
		if (rawConfig == null || cardLevel.isBlank()) return "";
		try {
			List<Map<String, Object>> configs = rawConfig instanceof List<?>
					? ((List<?>) rawConfig).stream().filter(Map.class::isInstance)
							.map(item -> (Map<String, Object>) item).toList()
					: OBJECT_MAPPER.readValue(String.valueOf(rawConfig), RIGHTS_TYPE);
			for (Map<String, Object> config : configs) {
				if (!booleanValue(config.get("enabled")) || !sameCardLevel(config.get("level"), cardLevel)) continue;
				String detail = text(config.get("detail"));
				if (!detail.isBlank()) return detail;
			}
		} catch (Exception ignored) {
			// Invalid legacy configuration should fall back to the structured rule text.
		}
		return "";
	}

	private boolean sameCardLevel(Object configured, String actual) {
		return normalizeCardLevel(configured).equals(normalizeCardLevel(actual));
	}

	private String normalizeCardLevel(Object value) {
		String raw = text(value).toUpperCase();
		if (raw.contains("卓越") || "EXCELLENT".equals(raw)) return "EXCELLENT";
		if (raw.contains("杰出") || "OUTSTANDING".equals(raw)) return "OUTSTANDING";
		if (raw.contains("菁英") || "ELITE".equals(raw)) return "ELITE";
		return raw;
	}

	private boolean booleanValue(Object value) {
		return value instanceof Boolean bool ? bool : "1".equals(text(value)) || "true".equalsIgnoreCase(text(value));
	}

	private String productBenefitText(ProductPriceCalculator.ProductRight right) {
		String discountText = discountText(right.discount());
		if (!right.free()) return discountText.isBlank() ? "以商品配置为准" : "按市价" + discountText;
		String freeText = right.limitCount() > 0 ? "免费" + right.limitCount() + "次/" + cycleText(right.resetCycle()) : "免费";
		return discountText.isBlank() ? freeText : freeText + "，超出次数按市价" + discountText;
	}

	private String discountText(BigDecimal discount) {
		if (discount == null || discount.signum() <= 0) return "";
		return discount.stripTrailingZeros().toPlainString() + "折";
	}

	private String cycleText(String cycle) {
		String value = normalize(cycle).toUpperCase();
		return switch (value) {
			case "DAY", "DAILY", "每天" -> "天";
			case "WEEK", "WEEKLY", "每周" -> "周";
			case "MONTH", "MONTHLY", "每月" -> "月";
			default -> "年";
		};
	}

	private String category(String orderType) {
		if ("GROUP_BUY".equals(orderType)) return "group";
		if ("STORE_CONSUME".equals(orderType)) return "store";
		if ("FREE_STAY".equals(orderType)) return "stay";
		return "group";
	}

	private String status(Long orderStatus, Long verifyStatus, Long refundStatus) {
		if (orderStatus != null && orderStatus == 0) return "pending_payment";
		// 退款中/已退款、已取消的订单都已经离开「待核销」：钱退给了人才，或者订单根本没付过钱。
		// 把它们兜底成「待核销」会让商户以为还有一单要核销，点核销又会被资金边界拒绝。
		if (refundStatus != null && refundStatus != 0) return "refunded";
		if (orderStatus != null && orderStatus == 2) return "cancelled";
		if (verifyStatus != null && verifyStatus == 1) return "completed";
		return "pending_verification";
	}

	private String statusText(String status, Long refundStatus, String category) {
		if ("pending_payment".equals(status)) return "待支付";
		// 团购是到店核销的业务：已完成在商户眼里就是「已核销」，原型与列表口径都这么写。
		if ("completed".equals(status)) return "group".equals(category) ? "已核销" : "已完成";
		if ("cancelled".equals(status)) return "已取消";
		if ("refunded".equals(status)) return refundStatus != null && refundStatus == 1 ? "退款中" : "已退款";
		return "待核销";
	}

	private String categoryTitle(String category) {
		if ("store".equals(category)) return "到店消费订单";
		if ("stay".equals(category)) return "免费入住";
		return "团购订单";
	}

	private String maskName(String value) {
		if (value == null || value.isBlank() || "null".equals(value)) return "";
		return value.length() == 1 ? value + "*" : value.substring(0, 1) + "*".repeat(value.length() - 1);
	}

	private String displayName(Object rawName, Long gender) {
		String name = text(rawName);
		if (name.isBlank()) return "";
		if (gender != null && gender == 1) return name.substring(0, 1) + "先生";
		if (gender != null && gender == 2) return name.substring(0, 1) + "女士";
		return maskName(name);
	}

	private String text(Object value) {
		return value == null || "null".equals(String.valueOf(value)) ? "" : String.valueOf(value).trim();
	}

	private String maskMobile(String value) {
		if (value == null || value.length() < 7 || "null".equals(value)) return "";
		return value.substring(0, 3) + "****" + value.substring(value.length() - 4);
	}

	private String normalize(String value) {
		return value == null ? "" : value.trim();
	}

	private LocalDate date(String value, String field) {
		if (value == null || value.isBlank()) return null;
		try {
			return LocalDate.parse(value);
		} catch (Exception exception) {
			throw new BusinessException(ErrorCode.BAD_REQUEST, field + "格式无效");
		}
	}

	private Long number(Object value) {
		return value instanceof Number number ? number.longValue() : null;
	}

	/** 与 {@link #number} 同义，但缺值时按 0 处理：核销金额为空就是 0 分。 */
	private long value(Object value) {
		return value instanceof Number number ? number.longValue() : 0L;
	}

	private LocalDateTime time(Object value) {
		if (value instanceof LocalDateTime dateTime) return dateTime;
		if (value instanceof Timestamp timestamp) return timestamp.toLocalDateTime();
		return null;
	}

	private record OrderFilters(String conditions, List<Object> arguments) {
	}
}