/*
 * Licensed to Crate.io GmbH ("Crate") under one or more contributor
 * license agreements.  See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.  Crate 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.
 *
 * However, if you have executed another commercial license agreement
 * with Crate these terms will supersede the license and you may use the
 * software solely pursuant to the terms of the relevant commercial agreement.
 */

package io.crate.analyze;

import io.crate.metadata.CoordinatorTxnCtx;
import io.crate.metadata.NodeContext;
import io.crate.metadata.Schemas;
import io.crate.metadata.doc.DocTableInfo;
import io.crate.metadata.table.Operation;
import io.crate.sql.tree.AlterTableAddColumn;
import io.crate.sql.tree.Expression;

class AlterTableAddColumnAnalyzer {

    private final Schemas schemas;
    private final NodeContext nodeCtx;

    AlterTableAddColumnAnalyzer(Schemas schemas, NodeContext nodeCtx) {
        this.schemas = schemas;
        this.nodeCtx = nodeCtx;
    }

    public AnalyzedAlterTableAddColumn analyze(AlterTableAddColumn<Expression> alterTable,
                                               ParamTypeHints paramTypeHints,
                                               CoordinatorTxnCtx txnCtx) {
        if (!alterTable.table().partitionProperties().isEmpty()) {
            throw new UnsupportedOperationException("Adding a column to a single partition is not supported");
        }
        DocTableInfo tableInfo = (DocTableInfo) schemas.resolveTableInfo(
            alterTable.table().getName(),
            Operation.ALTER,
            txnCtx.sessionSettings().sessionUser(),
            txnCtx.sessionSettings().searchPath());

        var analyzer = new TableElementsAnalyzer(tableInfo, txnCtx, nodeCtx, paramTypeHints);
        return analyzer.analyze(alterTable);
    }
}
