package net.sf.jsqlparser.test.replace;

import java.io.StringReader;

import net.sf.jsqlparser.JSQLParserException;
import net.sf.jsqlparser.expression.JdbcParameter;
import net.sf.jsqlparser.expression.LongValue;
import net.sf.jsqlparser.expression.StringValue;
import net.sf.jsqlparser.expression.operators.relational.ExpressionList;
import net.sf.jsqlparser.parser.CCJSqlParserManager;
import net.sf.jsqlparser.schema.Column;
import net.sf.jsqlparser.statement.replace.Replace;
import net.sf.jsqlparser.statement.select.SubSelect;
import net.sf.jsqlparser.test.TestUtils;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;

public class ReplaceTest {

    private static final CCJSqlParserManager parserManager = new CCJSqlParserManager();

    @Test
    public void testReplaceSyntax1() throws JSQLParserException {
        String statement = "REPLACE mytable SET col1='as', col2=?, col3=565";
        Replace replace = (Replace) parserManager.parse(new StringReader(statement));
        assertEquals("mytable", replace.getTable().getName());
        assertEquals(3, replace.getColumns().size());
        assertEquals("col1", ((Column) replace.getColumns().get(0)).getColumnName());
        assertEquals("col2", ((Column) replace.getColumns().get(1)).getColumnName());
        assertEquals("col3", ((Column) replace.getColumns().get(2)).getColumnName());
        assertEquals("as", ((StringValue) replace.getExpressions().get(0)).getValue());
        assertTrue(replace.getExpressions().get(1) instanceof JdbcParameter);
        assertEquals(565, ((LongValue) replace.getExpressions().get(2)).getValue());
        assertEquals(statement, "" + replace);

    }

    @Test
    public void testReplaceSyntax2() throws JSQLParserException {
        String statement = "REPLACE mytable (col1, col2, col3) VALUES ('as', ?, 565)";
        Replace replace = (Replace) parserManager.parse(new StringReader(statement));
        assertEquals("mytable", replace.getTable().getName());
        assertEquals(3, replace.getColumns().size());
        assertEquals("col1", ((Column) replace.getColumns().get(0)).getColumnName());
        assertEquals("col2", ((Column) replace.getColumns().get(1)).getColumnName());
        assertEquals("col3", ((Column) replace.getColumns().get(2)).getColumnName());
        assertEquals("as", ((StringValue) ((ExpressionList) replace.getItemsList()).getExpressions().
                get(0)).getValue());
        assertTrue(((ExpressionList) replace.getItemsList()).getExpressions().get(1) instanceof JdbcParameter);
        assertEquals(565, ((LongValue) ((ExpressionList) replace.getItemsList()).getExpressions().
                get(2)).getValue());
        assertEquals(statement, "" + replace);
    }

    @Test
    public void testReplaceSyntax3() throws JSQLParserException {
        String statement = "REPLACE mytable (col1, col2, col3) SELECT * FROM mytable3";
        Replace replace = (Replace) parserManager.parse(new StringReader(statement));
        assertEquals("mytable", replace.getTable().getName());
        assertEquals(3, replace.getColumns().size());
        assertEquals("col1", ((Column) replace.getColumns().get(0)).getColumnName());
        assertEquals("col2", ((Column) replace.getColumns().get(1)).getColumnName());
        assertEquals("col3", ((Column) replace.getColumns().get(2)).getColumnName());
        assertTrue(replace.getItemsList() instanceof SubSelect);
        // TODO:
        // assertEquals(statement, ""+replace);
    }

    @Test
    public void testProblemReplaceParseDeparse() throws JSQLParserException {
        TestUtils.
                assertSqlCanBeParsedAndDeparsed("REPLACE a_table (ID, A, B) SELECT A_ID, A, B FROM b_table", false);
    }

    @Test
    public void testProblemMissingIntoIssue389() throws JSQLParserException {
        TestUtils.
                assertSqlCanBeParsedAndDeparsed("REPLACE INTO mytable (key, data) VALUES (1, \"aaa\")");
    }
}
