/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.api.service.impl;

import org.apache.dolphinscheduler.api.enums.Status;
import org.apache.dolphinscheduler.api.permission.ResourcePermissionCheckService;
import org.apache.dolphinscheduler.api.service.BaseService;
import org.apache.dolphinscheduler.api.utils.Result;
import org.apache.dolphinscheduler.common.constants.Constants;
import org.apache.dolphinscheduler.common.enums.AuthorizationType;
import org.apache.dolphinscheduler.common.enums.UserType;
import org.apache.dolphinscheduler.common.utils.DateUtils;
import org.apache.dolphinscheduler.dao.entity.User;

import org.apache.commons.lang3.StringUtils;

import java.text.MessageFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * base service impl
 */
public class BaseServiceImpl implements BaseService {

    private static final Logger logger = LoggerFactory.getLogger(BaseServiceImpl.class);

    @Autowired
    protected ResourcePermissionCheckService resourcePermissionCheckService;

    @Override
    public void permissionPostHandle(AuthorizationType authorizationType, Integer userId, List<Integer> ids,
                                     Logger logger) {
        try {
            resourcePermissionCheckService.postHandle(authorizationType, userId, ids, logger);
        } catch (Exception e) {
            logger.error("Post handle error, userId:{}.", userId, e);
            throw new RuntimeException("Resource association user error", e);
        }
    }

    /**
     * check admin
     *
     * @param user input user
     * @return ture if administrator, otherwise return false
     */
    @Override
    public boolean isAdmin(User user) {
        return user.getUserType() == UserType.ADMIN_USER;
    }

    /**
     * isNotAdmin
     *
     * @param loginUser login user
     * @param result result code
     * @return true if not administrator, otherwise false
     */
    @Override
    public boolean isNotAdmin(User loginUser, Map<String, Object> result) {
        // only admin can operate
        if (!isAdmin(loginUser)) {
            putMsg(result, Status.USER_NO_OPERATION_PERM);
            return true;
        }
        return false;
    }

    /**
     * put message to map
     *
     * @param result result code
     * @param status status
     * @param statusParams status message
     */
    @Override
    public void putMsg(Map<String, Object> result, Status status, Object... statusParams) {
        result.put(Constants.STATUS, status);
        if (statusParams != null && statusParams.length > 0) {
            result.put(Constants.MSG, MessageFormat.format(status.getMsg(), statusParams));
        } else {
            result.put(Constants.MSG, status.getMsg());
        }
    }

    /**
     * put message to result object
     *
     * @param result result code
     * @param status status
     * @param statusParams status message
     */
    @Override
    public void putMsg(Result result, Status status, Object... statusParams) {
        result.setCode(status.getCode());
        if (statusParams != null && statusParams.length > 0) {
            result.setMsg(MessageFormat.format(status.getMsg(), statusParams));
        } else {
            result.setMsg(status.getMsg());
        }
    }

    /**
     * check
     *
     * @param result result
     * @param bool bool
     * @param userNoOperationPerm status
     * @return check result
     */
    @Override
    public boolean check(Map<String, Object> result, boolean bool, Status userNoOperationPerm) {
        // only admin can operate
        if (bool) {
            result.put(Constants.STATUS, userNoOperationPerm);
            result.put(Constants.MSG, userNoOperationPerm.getMsg());
            return true;
        }
        return false;
    }

    /**
     * create tenant dir if not exists
     *
     * @param tenantCode tenant code
     * @throws IOException if hdfs operation exception
     */
    // @Override
    // public void createTenantDirIfNotExists(String tenantCode) throws IOException {
    // String resourcePath = HadoopUtils.getHdfsResDir(tenantCode);
    // String udfsPath = HadoopUtils.getHdfsUdfDir(tenantCode);
    // // init resource path and udf path
    // HadoopUtils.getInstance().mkdir(tenantCode,resourcePath);
    // HadoopUtils.getInstance().mkdir(tenantCode,udfsPath);
    // }

    /**
     * Verify that the operator has permissions
     *
     * @param operateUser operate user
     * @param createUserId create user id
     */
    @Override
    public boolean canOperator(User operateUser, int createUserId) {
        return operateUser.getId() == createUserId || isAdmin(operateUser);
    }

    /**
     * Verify that the operator has permissions
     * @param user operate user
     * @param ids Object[]
     * @param type AuthorizationType
     * @return boolean
     */
    @Override
    public boolean canOperatorPermissions(User user, Object[] ids, AuthorizationType type, String permissionKey) {
        boolean operationPermissionCheck =
                resourcePermissionCheckService.operationPermissionCheck(type, user.getId(), permissionKey, logger);
        boolean resourcePermissionCheck = resourcePermissionCheckService.resourcePermissionCheck(type, ids,
                user.getUserType().equals(UserType.ADMIN_USER) ? 0 : user.getId(), logger);
        return operationPermissionCheck && resourcePermissionCheck;
    }

    /**
     * check and parse date parameters
     *
     * @param startDateStr start date string
     * @param endDateStr end date string
     * @return map<status,startDate,endDate>
     */
    @Override
    public Map<String, Object> checkAndParseDateParameters(String startDateStr, String endDateStr) {
        Map<String, Object> result = new HashMap<>();
        Date start = null;
        if (!StringUtils.isEmpty(startDateStr)) {
            start = DateUtils.stringToDate(startDateStr);
            if (Objects.isNull(start)) {
                logger.warn("Parameter startDateStr is invalid.");
                putMsg(result, Status.REQUEST_PARAMS_NOT_VALID_ERROR, Constants.START_END_DATE);
                return result;
            }
        }
        result.put(Constants.START_TIME, start);

        Date end = null;
        if (!StringUtils.isEmpty(endDateStr)) {
            end = DateUtils.stringToDate(endDateStr);
            if (Objects.isNull(end)) {
                logger.warn("Parameter endDateStr is invalid.");
                putMsg(result, Status.REQUEST_PARAMS_NOT_VALID_ERROR, Constants.START_END_DATE);
                return result;
            }
        }
        result.put(Constants.END_TIME, end);

        putMsg(result, Status.SUCCESS);
        return result;
    }

    @Override
    public boolean checkDescriptionLength(String description) {
        return description != null && description.codePointCount(0, description.length()) > 255;
    }
}
