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/*
 * Copyright 2016-2020 DiffPlug
 *
 * 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.diffplug.gradle.spotless;

import static com.diffplug.gradle.spotless.PluginGradlePreconditions.requireElementsNonNull;

import javax.inject.Inject;

import org.gradle.api.Project;

import com.diffplug.spotless.FormatterStep;
import com.diffplug.spotless.sql.DBeaverSQLFormatterStep;

public class SqlExtension extends FormatExtension {
	static final String NAME = "sql";

	@Inject
	public SqlExtension(SpotlessExtension spotless) {
		super(spotless);
	}

	public DBeaverSQLFormatterConfig dbeaver() {
		return new DBeaverSQLFormatterConfig();
	}

	public class DBeaverSQLFormatterConfig {
		Object[] configFiles;

		DBeaverSQLFormatterConfig() {
			configFiles = new Object[0];
			addStep(createStep());
		}

		public void configFile(Object... configFiles) {
			this.configFiles = requireElementsNonNull(configFiles);
			replaceStep(createStep());
		}

		private FormatterStep createStep() {
			Project project = getProject();
			return DBeaverSQLFormatterStep.create(project.files(configFiles).getFiles());
		}
	}

	/** If the user hasn't specified the files yet, we'll assume he/she means all of the sql files. */
	@Override
	protected void setupTask(SpotlessTask task) {
		if (target == null) {
			throw noDefaultTargetException();
		}
		super.setupTask(task);
	}
}