package com.tourguide.modules.user.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.tourguide.common.exception.BusinessException;
import com.tourguide.modules.order.domain.OrderStatus;
import com.tourguide.modules.order.entity.TourOrder;
import com.tourguide.modules.order.mapper.TourOrderMapper;
import com.tourguide.modules.user.domain.ClientType;
import com.tourguide.modules.user.entity.GuideUser;
import com.tourguide.modules.user.mapper.GuideUserMapper;
import com.tourguide.security.JwtTokenService;
import com.tourguide.security.TokenPayload;
import com.tourguide.security.TokenSessionService;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

@Service
public class GuideAccountService {
    private final GuideUserMapper guideUserMapper;
    private final TourOrderMapper tourOrderMapper;
    private final JwtTokenService jwtTokenService;
    private final TokenSessionService tokenSessionService;

    public GuideAccountService(GuideUserMapper guideUserMapper, TourOrderMapper tourOrderMapper,
                               JwtTokenService jwtTokenService, TokenSessionService tokenSessionService) {
        this.guideUserMapper = guideUserMapper;
        this.tourOrderMapper = tourOrderMapper;
        this.jwtTokenService = jwtTokenService;
        this.tokenSessionService = tokenSessionService;
    }

    @Transactional
    public void cancel(Long guideId, String token) {
        TokenPayload payload = jwtTokenService.parse(token);
        if (payload.getClientType() != ClientType.GUIDE || !guideId.equals(payload.getUserId())) {
            throw new BusinessException(401, "Token用户不匹配");
        }

        long activeOrderCount = tourOrderMapper.selectCount(new LambdaQueryWrapper<TourOrder>()
                .eq(TourOrder::getGuideId, guideId)
                .in(TourOrder::getStatus, OrderStatus.unfinishedStatusCodes()));
        if (activeOrderCount > 0) {
            throw new BusinessException(409, "存在未完成订单，暂时无法注销账号");
        }

        GuideUser user = guideUserMapper.selectById(guideId);
        if (user == null) {
            throw new BusinessException(404, "导游用户不存在");
        }
        user.setStatus(GuideUserService.STATUS_CANCELLED);
        user.setAutoDisableWhitelisted(0);
        user.setAutoDisabled(0);
        guideUserMapper.updateById(user);
        tokenSessionService.remove(payload);
    }
}