package cn.iocoder.yudao.module.aftersales.util;

import cn.hutool.core.collection.CollUtil;
import cn.hutool.extra.spring.SpringUtil;
import cn.iocoder.yudao.framework.common.biz.system.permission.PermissionCommonApi;
import cn.iocoder.yudao.module.aftersales.dal.dataobject.permission.AfterSalePermissionDO;
import cn.iocoder.yudao.module.aftersales.enums.AfterSaleBizTypeEnum;
import cn.iocoder.yudao.module.aftersales.enums.permission.AfterSalePermissionLevelEnum;
import cn.iocoder.yudao.module.aftersales.enums.permission.AfterSaleSceneTypeEnum;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import com.baomidou.mybatisplus.core.toolkit.support.SFunction;
import com.github.yulichang.autoconfigure.MybatisPlusJoinProperties;
import com.github.yulichang.wrapper.MPJLambdaWrapper;
import org.springframework.util.Assert;

import java.util.List;

import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.security.core.util.SecurityFrameworkUtils.getLoginUserId;

/**
 * 售后模块数据权限工具类
 */
public class AfterSalePermissionUtils {

    /**
     * 校验用户是否是售后管理员
     *
     * @return 是/否
     */
    public static boolean isAftersaleAdmin() {
        PermissionCommonApi permissionApi = SpringUtil.getBean(PermissionCommonApi.class);
        return permissionApi.hasAnyRoles(getLoginUserId(), "aftersales_admin");
    }

    /**
     * 校验用户是否有查看全部售后数据的权限
     */
    private static boolean hasViewAllPermission() {
        PermissionCommonApi permissionApi = SpringUtil.getBean(PermissionCommonApi.class);
        return permissionApi.hasAnyPermissions(getLoginUserId(), "aftersales:view-all");
    }

    /**
     * 构造售后模块数据【分页】查询条件
     *
     * @param query     连表查询对象
     * @param bizType   数据类型 {@link AfterSaleBizTypeEnum}
     * @param bizId     数据编号
     * @param userId    用户编号
     * @param sceneType 场景类型
     */
    public static <T extends MPJLambdaWrapper<?>, S> void appendPermissionCondition(T query, Integer bizType,
                                                                                     SFunction<S, ?> bizId,
                                                                                     Long userId, Integer sceneType) {
        MybatisPlusJoinProperties mybatisPlusJoinProperties = SpringUtil.getBean(MybatisPlusJoinProperties.class);
        final String ownerUserIdField = mybatisPlusJoinProperties.getTableAlias() + ".owner_user_id";
        // 场景一：我负责的数据
        if (AfterSaleSceneTypeEnum.isOwner(sceneType)) {
            query.eq(ownerUserIdField, userId);
        }
        // 场景二：我参与的数据（我有读或写权限，并且不是负责人）
        if (AfterSaleSceneTypeEnum.isInvolved(sceneType)) {
            if (isAftersaleAdmin()) {
                return;
            }
            query.innerJoin(AfterSalePermissionDO.class, on -> on.eq(AfterSalePermissionDO::getBizType, bizType)
                    .eq(AfterSalePermissionDO::getBizId, bizId)
                    .in(AfterSalePermissionDO::getLevel, AfterSalePermissionLevelEnum.READ.getLevel(),
                            AfterSalePermissionLevelEnum.WRITE.getLevel())
                    .eq(AfterSalePermissionDO::getUserId, userId));
            query.ne(ownerUserIdField, userId);
        }
        // 场景三：下属负责的数据（下属是负责人）
        if (AfterSaleSceneTypeEnum.isSubordinate(sceneType)) {
            AdminUserApi adminUserApi = SpringUtil.getBean(AdminUserApi.class);
            List<AdminUserRespDTO> subordinateUsers = adminUserApi.getUserListBySubordinate(userId);
            if (CollUtil.isEmpty(subordinateUsers)) {
                query.eq(ownerUserIdField, -1);
            } else {
                query.in(ownerUserIdField, convertSet(subordinateUsers, AdminUserRespDTO::getId));
            }
        }
        // 场景四：全部数据（需要有 view-all 权限或售后管理员）
        if (AfterSaleSceneTypeEnum.isAll(sceneType)) {
            if (isAftersaleAdmin() || hasViewAllPermission()) {
                return;
            }
            query.eq(ownerUserIdField, userId);
        }
    }

}