/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.springblade.core.datascope.handler;

import lombok.RequiredArgsConstructor;
import org.springblade.core.cache.utils.CacheUtil;
import org.springblade.core.datascope.constant.DataScopeConstant;
import org.springblade.core.datascope.model.DataScopeModel;
import org.springblade.core.tool.utils.CollectionUtil;
import org.springblade.core.tool.utils.Func;
import org.springblade.core.tool.utils.StringPool;
import org.springblade.core.tool.utils.StringUtil;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

import static org.springblade.core.cache.constant.CacheConstant.SYS_CACHE;

/**
 * BladeScopeModelHandler
 *
 * @author Chill
 */
@RequiredArgsConstructor
public class BladeScopeModelHandler implements ScopeModelHandler {

	private static final String SCOPE_CACHE_CODE = "dataScope:code:";
	private static final String SCOPE_CACHE_CLASS = "dataScope:class:";
	private static final String DEPT_CACHE_ANCESTORS = "dept:ancestors:";
	private static final DataScopeModel SEARCHED_DATA_SCOPE_MODEL = new DataScopeModel(Boolean.TRUE);

	private final JdbcTemplate jdbcTemplate;

	/**
	 * 获取数据权限
	 *
	 * @param mapperId 数据权限mapperId
	 * @param roleId   用户角色集合
	 * @return DataScopeModel
	 */
	@Override
	public DataScopeModel getDataScopeByMapper(String mapperId, String roleId) {
		List<Object> args = new ArrayList<>(Collections.singletonList(mapperId));
		List<Long> roleIds = Func.toLongList(roleId);
		args.addAll(roleIds);
		// 增加searched字段防止未配置的参数重复读库导致缓存击穿
		// 后续若有新增配置则会清空缓存重新加载
		DataScopeModel dataScope = CacheUtil.get(SYS_CACHE, SCOPE_CACHE_CLASS, mapperId + StringPool.COLON + roleId, DataScopeModel.class, Boolean.FALSE);
		if (dataScope == null || !dataScope.getSearched()) {
			List<DataScopeModel> list = jdbcTemplate.query(DataScopeConstant.dataByMapper(roleIds.size()), args.toArray(), new BeanPropertyRowMapper<>(DataScopeModel.class));
			if (CollectionUtil.isNotEmpty(list)) {
				dataScope = list.iterator().next();
				dataScope.setSearched(Boolean.TRUE);
			} else {
				dataScope = SEARCHED_DATA_SCOPE_MODEL;
			}
			CacheUtil.put(SYS_CACHE, SCOPE_CACHE_CLASS, mapperId + StringPool.COLON + roleId, dataScope, Boolean.FALSE);
		}
		return StringUtil.isNotBlank(dataScope.getResourceCode()) ? dataScope : null;
	}

	/**
	 * 获取数据权限
	 *
	 * @param code 数据权限资源编号
	 * @return DataScopeModel
	 */
	@Override
	public DataScopeModel getDataScopeByCode(String code) {
		DataScopeModel dataScope = CacheUtil.get(SYS_CACHE, SCOPE_CACHE_CODE, code, DataScopeModel.class, Boolean.FALSE);
		// 增加searched字段防止未配置的参数重复读库导致缓存击穿
		// 后续若有新增配置则会清空缓存重新加载
		if (dataScope == null || !dataScope.getSearched()) {
			List<DataScopeModel> list = jdbcTemplate.query(DataScopeConstant.DATA_BY_CODE, new Object[]{code}, new BeanPropertyRowMapper<>(DataScopeModel.class));
			if (CollectionUtil.isNotEmpty(list)) {
				dataScope = list.iterator().next();
				dataScope.setSearched(Boolean.TRUE);
			} else {
				dataScope = SEARCHED_DATA_SCOPE_MODEL;
			}
			CacheUtil.put(SYS_CACHE, SCOPE_CACHE_CODE, code, dataScope, Boolean.FALSE);
		}
		return StringUtil.isNotBlank(dataScope.getResourceCode()) ? dataScope : null;
	}

	/**
	 * 获取部门子级
	 *
	 * @param deptId 部门id
	 * @return deptIds
	 */
	@Override
	public List<Long> getDeptAncestors(Long deptId) {
		List ancestors = CacheUtil.get(SYS_CACHE, DEPT_CACHE_ANCESTORS, deptId, List.class);
		if (CollectionUtil.isEmpty(ancestors)) {
			ancestors = jdbcTemplate.queryForList(DataScopeConstant.DATA_BY_DEPT, new Object[]{deptId}, Long.class);
			CacheUtil.put(SYS_CACHE, DEPT_CACHE_ANCESTORS, deptId, ancestors);
		}
		return ancestors;
	}
}