package com.oying.modules.rider.service.impl;

import cn.hutool.core.lang.UUID;
import com.oying.exception.BadRequestException;
import com.oying.modules.rider.domain.RiderOrderRecord;
import com.oying.utils.*;
import lombok.RequiredArgsConstructor;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.oying.modules.rider.service.RiderOrderRecordService;
import com.oying.modules.rider.domain.dto.RiderOrderRecordQueryCriteria;
import com.oying.modules.rider.mapper.RiderOrderRecordMapper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.util.List;
import java.util.Map;
import java.io.IOException;
import javax.servlet.http.HttpServletResponse;
import java.util.ArrayList;
import java.util.LinkedHashMap;

/**
* @description 服务实现
* @author pxb
* @date 2025-07-01
**/
@Service
@RequiredArgsConstructor
public class RiderOrderRecordServiceImpl extends ServiceImpl<RiderOrderRecordMapper, RiderOrderRecord> implements RiderOrderRecordService {

    private final RiderOrderRecordMapper riderOrderRecordMapper;
    private final RedisUtils redisUtils;

    @Override
    public PageResult<RiderOrderRecord> queryAll(RiderOrderRecordQueryCriteria criteria, Page<Object> page){
        return PageUtil.toPage(riderOrderRecordMapper.findAll(criteria, page));
    }

    @Override
    public List<RiderOrderRecord> queryAll(RiderOrderRecordQueryCriteria criteria){
        return riderOrderRecordMapper.findAll(criteria);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void create(RiderOrderRecord resources) {
        riderOrderRecordMapper.insert(resources);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void update(RiderOrderRecord resources) {
        RiderOrderRecord riderOrderRecord = getById(resources.getRecordId());
        riderOrderRecord.copy(resources);
        riderOrderRecordMapper.updateById(riderOrderRecord);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public void deleteAll(List<Long> ids) {
        riderOrderRecordMapper.deleteBatchIds(ids);
    }

    @Override
    public void download(List<RiderOrderRecord> all, HttpServletResponse response) throws IOException {
        List<Map<String, Object>> list = new ArrayList<>();
        for (RiderOrderRecord riderOrderRecord : all) {
            Map<String, Object> map = new LinkedHashMap<>();
            map.put("订单id", riderOrderRecord.getOrderId());
            map.put("订单编号", riderOrderRecord.getOrderNum());
            map.put("商家ID", riderOrderRecord.getMerchantId());
            map.put("商家名称", riderOrderRecord.getMerchantName());
            map.put("商家地址", riderOrderRecord.getMerchantAddress());
            map.put("收货地址", riderOrderRecord.getReceiverAddress());
            map.put("订单状态： 1-待取货 2-配送中 3-已完成 4-商家取消 5-骑手取消 6-客户取消 7-系统取消", riderOrderRecord.getOrderStatus());
            map.put("接单时间", riderOrderRecord.getAcceptTime());
            map.put("接单编号", riderOrderRecord.getAcceptNum());
            map.put("完成/取消时间", riderOrderRecord.getFinishTime());
            map.put("配送时长（秒）", riderOrderRecord.getDeliveryDuration());
            map.put("是否超时：1-是 0-否", riderOrderRecord.getIsOvertime());
            map.put("订单来源： 1-平台派单 2-骑手抢单 3-商家直派 4-其他", riderOrderRecord.getOrderSource());
            map.put("订单收入配送费", riderOrderRecord.getOrderIncome());
            map.put("创建人", riderOrderRecord.getCreateBy());
            map.put("创建时间", riderOrderRecord.getCreateTime());
            map.put("修改人", riderOrderRecord.getUpdateBy());
            map.put("修改时间", riderOrderRecord.getUpdateTime());
            list.add(map);
        }
        FileUtil.downloadExcel(list, response);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public R riderGrabOrder(String orderNum) {
        // 唯一标识当前线程/客户端
        String clientId = UUID.randomUUID().toString();
        // Redis 锁 key
        String lockKey = "lock:order:" + orderNum;
        try {
            // 获取分布式锁，设置超时时间10秒
            boolean isLocked = redisUtils.setIfAbsent(lockKey, clientId, 10);
            if (!isLocked) {
                return R.fail(400, "请稍后重试");
            }
            // 查询当前订单 检查订单是否已经被其他骑手抢到或取消 直接返回

            // 订单没有被接单或取消的情况下，进行接单操作
            // 1.修改订单状态

            // 2.新增订单接单流程信息

            // 3.新增骑手端订单记录详情

            // 返回成功信息
            return R.success(null, "接单成功");
        } catch (Exception e) {
            throw new BadRequestException("接单失败，请稍后重试");
        } finally {
            // 安全释放锁（仅释放自己持有的锁）
            String currentClientId = (String) redisUtils.get(lockKey);
            // 当前线程持有锁
            if (StringUtils.equals(currentClientId, clientId)) {
                // 释放锁
                redisUtils.del(lockKey);
            }
        }
    }

    @Override
    public R riderCancelOrder(String orderNum) {
        // 查询当前订单信息
        // 根据信息判断当前订单信息是否满足取消条件
        // 满足取消订单
        // 不满足取消订单条件，返回错误信息
        // 取消订单后通知商家
        return null;
    }

}