/*
 * Copyright 2012-present the original author or authors.
 *
 * 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
 *
 *      https://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.springframework.boot.jdbc.init;

import java.util.Collections;
import java.util.UUID;

import javax.sql.DataSource;

import com.zaxxer.hikari.HikariDataSource;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.Test;

import org.springframework.boot.jdbc.DataSourceBuilder;
import org.springframework.boot.sql.init.AbstractScriptDatabaseInitializerTests;
import org.springframework.boot.sql.init.DatabaseInitializationSettings;
import org.springframework.boot.testsupport.BuildOutput;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.datasource.init.ResourceDatabasePopulator;
import org.springframework.jdbc.datasource.init.ScriptStatementFailedException;

import static org.assertj.core.api.Assertions.assertThat;
import static org.assertj.core.api.Assertions.assertThatExceptionOfType;

/**
 * Tests for {@link DataSourceScriptDatabaseInitializer}.
 *
 * @author Andy Wilkinson
 */
class DataSourceScriptDatabaseInitializerTests
		extends AbstractScriptDatabaseInitializerTests<DataSourceScriptDatabaseInitializer> {

	private final HikariDataSource embeddedDataSource = DataSourceBuilder.create()
		.type(HikariDataSource.class)
		.url("jdbc:h2:mem:" + UUID.randomUUID())
		.build();

	private final HikariDataSource standaloneDataSource = DataSourceBuilder.create()
		.type(HikariDataSource.class)
		.url("jdbc:h2:file:"
				+ new BuildOutput(DataSourceScriptDatabaseInitializerTests.class).getRootLocation().getAbsolutePath()
				+ "/" + UUID.randomUUID())
		.build();

	@AfterEach
	void closeDataSource() {
		this.embeddedDataSource.close();
		this.standaloneDataSource.close();
	}

	@Test
	void whenDatabaseIsInaccessibleThenItIsAssumedNotToBeEmbedded() {
		DataSourceScriptDatabaseInitializer initializer = new DataSourceScriptDatabaseInitializer(
				new HikariDataSource(), new DatabaseInitializationSettings());
		assertThat(initializer.isEmbeddedDatabase()).isFalse();
	}

	@Test
	@WithDataSqlResource
	void whenCustomizeIsOverriddenThenDatabasePopulatorIsConfiguredAccordingly() {
		DatabaseInitializationSettings settings = new DatabaseInitializationSettings();
		settings.setContinueOnError(true);
		settings.setDataLocations(Collections.singletonList("data.sql"));
		DataSourceScriptDatabaseInitializer initializer = new DataSourceScriptDatabaseInitializer(
				this.embeddedDataSource, settings) {
			@Override
			protected void customize(ResourceDatabasePopulator populator) {
				assertThat(populator).hasFieldOrPropertyWithValue("continueOnError", true);
				populator.setContinueOnError(false);
			}
		};
		assertThatExceptionOfType(ScriptStatementFailedException.class).isThrownBy(initializer::initializeDatabase);
	}

	@Override
	protected DataSourceScriptDatabaseInitializer createEmbeddedDatabaseInitializer(
			DatabaseInitializationSettings settings) {
		return new DataSourceScriptDatabaseInitializer(this.embeddedDataSource, settings);
	}

	@Override
	protected DataSourceScriptDatabaseInitializer createStandaloneDatabaseInitializer(
			DatabaseInitializationSettings settings) {
		return new DataSourceScriptDatabaseInitializer(this.standaloneDataSource, settings);
	}

	@Override
	protected int numberOfEmbeddedRows(String sql) {
		return numberOfRows(this.embeddedDataSource, sql);
	}

	@Override
	protected int numberOfStandaloneRows(String sql) {
		return numberOfRows(this.standaloneDataSource, sql);
	}

	private int numberOfRows(DataSource dataSource, String sql) {
		Integer rows = new JdbcTemplate(dataSource).queryForObject(sql, Integer.class);
		assertThat(rows).isNotNull();
		return rows;
	}

	@Override
	protected void assertDatabaseAccessed(boolean accessed, DataSourceScriptDatabaseInitializer initializer) {
		assertThat(((HikariDataSource) initializer.getDataSource()).isRunning()).isEqualTo(accessed);
	}

}
