/**

 * SQL-DK

 * Copyright © 2013 František Kučera (frantovo.cz)

 *

 * This program is free software: you can redistribute it and/or modify

 * it under the terms of the GNU General Public License as published by

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program. If not, see <http://www.gnu.org/licenses/>.

 */

package info.globalcode.sql.dk;

import info.globalcode.sql.dk.CLIParser.Tokens;

import static info.globalcode.sql.dk.CLIParser.TYPE_NAME_SEPARATOR;

import info.globalcode.sql.dk.InfoLister.InfoType;

import java.io.ByteArrayInputStream;

import java.util.Collection;

import org.junit.jupiter.api.BeforeEach;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

/**

 *

 * @author Ing. František Kučera (frantovo.cz)

 */

public class CLIParserTest {

	private static final String DATABASE_NAME_1 = "some database 1";

	private static final String SQL_1 = "SELECT * FROM table1";

	private static final String DATA_1 = "aaa";

	private static final String DATA_2 = "bbb";

	private static final String DATA_3 = "ccc";

	private static final String NAME_1 = "param1";

	private static final String NAME_2 = "param2";

	private static final String NAME_3 = "param3";

	private CLIParser parser;

	@BeforeEach

	public void setUpMethod() throws Exception {

		parser = new CLIParser();

	}

	private CLIOptions parseOptions(String[] args) throws CLIParserException {

		return parser.parseOptions(args, new ByteArrayInputStream("".getBytes()));

	}

	@Test

	public void testParseOptions_QueryNow_NoParams() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.DB, DATABASE_NAME_1,

			Tokens.SQL, SQL_1};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getDatabaseName(), DATABASE_NAME_1);

		assertEquals(options.getSql(), SQL_1);

		assertEquals(options.getMode(), CLIOptions.MODE.QUERY_NOW);

		assertTrue(options.getNamedParameters().isEmpty(), "Named parameters should be empty.");

		assertTrue(options.getNumberedParameters().isEmpty(), "Numbered parameters should be empty.");

	}

	@Test

	public void testParseOptions_QueryNow_Numbered() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.DB, DATABASE_NAME_1,

			Tokens.SQL, SQL_1,

			Tokens.DATA, DATA_1, DATA_2, DATA_3};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getDatabaseName(), DATABASE_NAME_1);

		assertEquals(options.getSql(), SQL_1);

		assertEquals(options.getMode(), CLIOptions.MODE.QUERY_NOW);

		assertEquals(options.getNumberedParameters().size(), 3);

		assertEquals(options.getNumberedParameters().get(0).getValue(), DATA_1);

		assertEquals(options.getNumberedParameters().get(1).getValue(), DATA_2);

		assertEquals(options.getNumberedParameters().get(2).getValue(), DATA_3);

		assertEquals(options.getNumberedParameters().get(0).getType(), Parameter.DEFAULT_TYPE);

		assertEquals(options.getNumberedParameters().get(1).getType(), Parameter.DEFAULT_TYPE);

		assertEquals(options.getNumberedParameters().get(2).getType(), Parameter.DEFAULT_TYPE);

	}

	@Test

	public void testParseOptions_QueryNow_Numbered_withTypes() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.DB, DATABASE_NAME_1,

			Tokens.SQL, SQL_1,

			Tokens.TYPES, " INTEGER,VARCHAR, BOOLEAN",

			Tokens.DATA, DATA_1, DATA_2, DATA_3};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getDatabaseName(), DATABASE_NAME_1);

		assertEquals(options.getSql(), SQL_1);

		assertEquals(options.getMode(), CLIOptions.MODE.QUERY_NOW);

		assertEquals(options.getNumberedParameters().size(), 3);

		assertEquals(options.getNumberedParameters().get(0).getValue(), DATA_1);

		assertEquals(options.getNumberedParameters().get(1).getValue(), DATA_2);

		assertEquals(options.getNumberedParameters().get(2).getValue(), DATA_3);

		assertEquals(options.getNumberedParameters().get(0).getType(), SQLType.INTEGER);

		assertEquals(options.getNumberedParameters().get(1).getType(), SQLType.VARCHAR);

		assertEquals(options.getNumberedParameters().get(2).getType(), SQLType.BOOLEAN);

	}

	@Test

	public void testParseOptions_QueryNow_Named() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.DB, DATABASE_NAME_1,

			Tokens.SQL, SQL_1,

			Tokens.DATA_NAMED, NAME_1, DATA_1, NAME_2, DATA_2, NAME_3, DATA_3};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getDatabaseName(), DATABASE_NAME_1);

		assertEquals(options.getSql(), SQL_1);

		assertEquals(options.getMode(), CLIOptions.MODE.QUERY_NOW);

		assertEquals(options.getNamedParameters().size(), 3);

		assertNamedParameter(options.getNamedParameters(), NAME_1, DATA_1, Parameter.DEFAULT_TYPE);

		assertNamedParameter(options.getNamedParameters(), NAME_2, DATA_2, Parameter.DEFAULT_TYPE);

		assertNamedParameter(options.getNamedParameters(), NAME_3, DATA_3, Parameter.DEFAULT_TYPE);

	}

	@Test

	public void testParseOptions_QueryNow_Named_withTypes() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.DB, DATABASE_NAME_1,

			Tokens.SQL, SQL_1,

			Tokens.NAME_PREFIX, "$",

			Tokens.TYPES, " " + NAME_1 + TYPE_NAME_SEPARATOR + "INTEGER" + "," + NAME_3 + TYPE_NAME_SEPARATOR + "BOOLEAN",

			Tokens.DATA_NAMED, NAME_1, DATA_1, NAME_2, DATA_2, NAME_3, DATA_3};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getDatabaseName(), DATABASE_NAME_1);

		assertEquals(options.getSql(), SQL_1);

		assertEquals(options.getMode(), CLIOptions.MODE.QUERY_NOW);

		assertEquals(options.getNamedParameters().size(), 3);

		assertNamedParameter(options.getNamedParameters(), NAME_1, DATA_1, SQLType.INTEGER);

		assertNamedParameter(options.getNamedParameters(), NAME_2, DATA_2, Parameter.DEFAULT_TYPE);

		assertNamedParameter(options.getNamedParameters(), NAME_3, DATA_3, SQLType.BOOLEAN);

	}

	private void assertNamedParameter(Collection<NamedParameter> params, String name, Object value, SQLType type) {

		for (NamedParameter p : params) {

			if (name.equals(p.getName())) {

				assertEquals(p.getValue(), value, "value does not match – name: " + name);

				assertEquals(p.getType(), type, "value does not match – name: " + name);

				return;

			}

		}

		fail("Named parameter not found: " + name);

	}

	@Test

	public void testParseOptions_PrepareBatch() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.BATCH,

			Tokens.SQL, SQL_1};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getSql(), SQL_1);

		assertEquals(options.getMode(), CLIOptions.MODE.PREPARE_BATCH);

	}

	@Test

	public void testParseOptions_ExecuteBatch() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{

			Tokens.BATCH,

			Tokens.DB, DATABASE_NAME_1};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getDatabaseName(), DATABASE_NAME_1);

		assertEquals(options.getMode(), CLIOptions.MODE.EXECUTE_BATCH);

	}

	@Test

	public void testParseOptions_ShowInfo_Help() throws InvalidOptionsException, CLIParserException {

		String[] args = new String[]{Tokens.INFO_HELP};

		CLIOptions options = parseOptions(args);

		options.validate();

		assertEquals(options.getMode(), CLIOptions.MODE.JUST_SHOW_INFO);

		assertEquals(options.getShowInfo().size(), 1);

		assertTrue(options.getShowInfo().contains(InfoType.HELP));

	}

}