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// 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.doris.analysis;

import org.apache.doris.cluster.ClusterNamespace;
import org.apache.doris.common.AnalysisException;
import org.apache.doris.common.Pair;
import org.apache.doris.common.UserException;
import org.apache.doris.mysql.privilege.PaloAuth;
import org.apache.doris.qe.ConnectContext;

import com.google.common.base.Strings;
import com.google.common.collect.Lists;

import java.util.List;

public class SetUserPropertyStmt extends DdlStmt {
    private String user;
    private final List<SetVar> propertyList;

    public SetUserPropertyStmt(String user, List<SetVar> propertyList) {
        this.user = user;
        this.propertyList = propertyList;
    }

    public String getUser() {
        return user;
    }

    public List<SetVar> getPropertyList() {
        return propertyList;
    }

    // using List because we need retain the origin property order
    public List<Pair<String, String>> getPropertyPairList() {
        List<Pair<String, String>> list = Lists.newArrayList();
        for (SetVar var : propertyList) {
            list.add(Pair.create(((SetUserPropertyVar) var).getPropertyKey(),
                                 ((SetUserPropertyVar) var).getPropertyValue()));
        }
        return list;
    }

    @Override
    public void analyze(Analyzer analyzer) throws AnalysisException, UserException {
        super.analyze(analyzer);
        if (Strings.isNullOrEmpty(user)) {
            // If param 'user' is not set, use the login user name.
            // The login user name is full-qualified with cluster name.
            user = ConnectContext.get().getQualifiedUser();
        } else {
            // If param 'user' is set, check if it need to be full-qualified
            if (!user.equals(PaloAuth.ROOT_USER) && !user.equals(PaloAuth.ADMIN_USER)) {
                user = ClusterNamespace.getFullName(getClusterName(), user);
            }
        }

        if (propertyList == null || propertyList.isEmpty()) {
            throw new AnalysisException("Empty properties");
        }

        boolean isSelf = user.equals(ConnectContext.get().getQualifiedUser());
        for (SetVar var : propertyList) {
            ((SetUserPropertyVar) var).analyze(analyzer, isSelf);
        }
    }

    @Override
    public String toSql() {
        StringBuilder sb = new StringBuilder();
        sb.append("SET PROPERTY FOR '");
        sb.append(user);
        sb.append("' ");

        int idx = 0;
        for (SetVar var : propertyList) {
            if (idx != 0) {
                sb.append(", ");
            }
            sb.append(var.toSql());
            idx++;
        }
        return sb.toString();
    }

    @Override
    public String toString() {
        return toSql();
    }
}

