package com.changhong.epc.bean.tenant.system.permission;


import com.changhong.ssc.data.autho.api.struct.UserPermission;
import com.changhong.ssc.data.autho.base.struct.Condition;
import com.changhong.ssc.data.autho.base.struct.DataPermission;
import com.changhong.ssc.data.autho.base.struct.DataPermissionSet;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.util.*;
import java.util.stream.Collectors;

/**
 * 权限数据信息
 */
@Data
@NoArgsConstructor
public class PowerValue extends UserPermission {

	// 表单数据
	public static final String FORM_DATA_PREFIX = "list:";

	// 按钮数据
	public static final String BUTTON_DATA_PREFIX = "button:";

	public PowerValue(UserPermission userPermission){
		super.setDataPermissionMap(userPermission.getDataPermissionMap());
		super.setFunctionPermissionSet(userPermission.getFunctionPermissionSet());
	}

	/**
	 * 获得表单数据权限信息
	 * @return
	 */
	public List<Map.Entry<String, DataPermissionSet>> getFormDataPower(String prefix){
		return getDataPermissionMap()
				.entrySet()
				.stream()
				.filter(entry->entry.getKey().trim().indexOf(prefix) == 0)
				.collect(Collectors.toList());
	}

	/**
	 * 根据表单id获得对应数据权限
	 * @param table
	 * @return
	 */
	public Map<String, Collection<DataPermission>> getDataPowersForTable(String table, String prefix){
		List<Map.Entry<String, DataPermissionSet>> dataPowers = getFormDataPower(prefix);
		Map<String, Collection<DataPermission>> tablePowers = new TreeMap<>((k1, k2)->k2.length() - k1.length());
		dataPowers.stream()
				.filter(dataPower->
						table.matches(".*"+dataPower.getKey()
								.replace(prefix, "")
								.replace("*", ".*")+"$"))
				.forEach(dataPower->{
					Collection<DataPermission> vals = new ArrayList<>();
					vals.addAll(dataPower.getValue().getCreateAllowed());
					vals.addAll(dataPower.getValue().getDeleteAllowed());
					vals.addAll(dataPower.getValue().getUpdateAllowed());
					vals.addAll(dataPower.getValue().getRetrieveAllowed());
					tablePowers.put(dataPower.getKey(), vals);
				});
		return tablePowers;
	}

	public Collection<Condition> getDataPowerConditionForFormId(String formId, String prefix){
		Set<Condition> conditions = new TreeSet<>((d1, d2)->d1.getColumn().compareTo(d2.getColumn()));
		getDataPowersForTable(formId, prefix)
				.values()
				.stream()
				.forEach(allData->{
					allData.stream().forEach(data->{
						conditions.addAll(data.getConditions());
					});
				});
		return conditions;
	}

	public Collection<Condition> getDataPowerConditionForTable(String table, String prefix){
		if(table.indexOf("formdata") < 0){
			return Collections.EMPTY_LIST;
		}
		return getDataPowerConditionForFormId(table, prefix);
	}
}