/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * Licensed 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 com.alibaba.druid.bvt.sql.oracle.pl;

import com.alibaba.druid.sql.OracleTest;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.util.JdbcConstants;

import java.util.List;

public class Oracle_pl_for_0 extends OracleTest {
    public void test_0() throws Exception {
        String sql = "PROCEDURE display_multiple_years (\n" +
                "   start_year_in IN PLS_INTEGER\n" +
                "  ,end_year_in   IN PLS_INTEGER\n" +
                ")\n" +
                "IS\n" +
                "BEGIN\n" +
                "  FOR l_current_year \n" +
                "  IN start_year_in .. end_year_in\n" +
                "  LOOP\n" +
                "     display_total_sales \n" +
                "             (l_current_year);\n" +
                "  END LOOP;\n" +
                "END display_multiple_years;"; //

        List<SQLStatement> statementList = SQLUtils.parseStatements(sql, JdbcConstants.ORACLE);
        SQLStatement stmt = statementList.get(0);

        assertEquals(1, statementList.size());

        SchemaStatVisitor visitor = SQLUtils.createSchemaStatVisitor(JdbcConstants.ORACLE);
        for (SQLStatement statement : statementList) {
            statement.accept(visitor);
        }

//        System.out.println("Tables : " + visitor.getTables());
//        System.out.println("fields : " + visitor.getColumns());
//        System.out.println("coditions : " + visitor.getConditions());
//        System.out.println("relationships : " + visitor.getRelationships());
//        System.out.println("orderBy : " + visitor.getOrderByColumns());

        assertEquals(0, visitor.getTables().size());

//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("employees")));
//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("emp_name")));

//        Assert.assertEquals(7, visitor.getColumns().size());
//        Assert.assertEquals(3, visitor.getConditions().size());
//        Assert.assertEquals(1, visitor.getRelationships().size());

        // Assert.assertTrue(visitor.getColumns().contains(new TableStat.Column("employees", "salary")));

        {
            String output = SQLUtils.toOracleString(stmt);
            assertEquals("PROCEDURE display_multiple_years (\n" +
                            "\tstart_year_in IN PLS_INTEGER, \n" +
                            "\tend_year_in IN PLS_INTEGER\n" +
                            ")\n" +
                            "IS\n" +
                            "BEGIN\n" +
                            "\tFOR l_current_year IN start_year_in..end_year_in\n" +
                            "\tLOOP\n" +
                            "\t\tdisplay_total_sales(l_current_year);\n" +
                            "\tEND LOOP;\n" +
                            "END;", //
                    output);
        }
        {
            String output = SQLUtils.toOracleString(stmt, SQLUtils.DEFAULT_LCASE_FORMAT_OPTION);
            assertEquals("procedure display_multiple_years (\n" +
                            "\tstart_year_in in PLS_INTEGER, \n" +
                            "\tend_year_in in PLS_INTEGER\n" +
                            ")\n" +
                            "IS\n" +
                            "begin\n" +
                            "\tfor l_current_year in start_year_in..end_year_in\n" +
                            "\tloop\n" +
                            "\t\tdisplay_total_sales(l_current_year);\n" +
                            "\tend loop;\n" +
                            "end;", //
                    output);
        }
    }
}
