/*
 * This file is part of fabric-loom, licensed under the MIT License (MIT).
 *
 * Copyright (c) 2016, 2017, 2018 FabricMC
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

package net.fabricmc.loom.util;

import java.io.File;
import java.io.IOException;
import java.nio.file.Path;
import java.util.Arrays;

import org.gradle.api.Project;

import net.fabricmc.loom.LoomGradleExtension;
import net.fabricmc.loom.providers.MappingsProvider;
import net.fabricmc.loom.providers.MinecraftMappedProvider;
import net.fabricmc.loom.providers.MinecraftProvider;
import net.fabricmc.tinyremapper.OutputConsumerPath;
import net.fabricmc.tinyremapper.TinyRemapper;

public class MapJarsTiny {
	public void mapJars(MinecraftProvider jarProvider, MinecraftMappedProvider mapProvider, File mappedJar, File intermediaryJar, Project project) throws IOException {
		String fromM = "official";

		LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
		MappingsProvider mappingsProvider = extension.getMappingsProvider();

		Path[] classpath = mapProvider.getMapperPaths().stream().map(File::toPath).toArray(Path[]::new);

		Path input = jarProvider.getMergedJar().toPath();
		Path outputMapped = mappedJar.toPath();
		Path outputIntermediary = intermediaryJar.toPath();

		for (String toM : Arrays.asList("named", "intermediary")) {
			Path output = "named".equals(toM) ? outputMapped : outputIntermediary;

			project.getLogger().lifecycle(":remapping minecraft (TinyRemapper, " + fromM + " -> " + toM + ")");

			TinyRemapper remapper = TinyRemapper.newRemapper()
							.withMappings(TinyRemapperMappingsHelper.create(mappingsProvider.getMappings(), fromM, toM, true))
							.renameInvalidLocals(true)
							.rebuildSourceFilenames(true)
							.build();

			try (OutputConsumerPath outputConsumer = new OutputConsumerPath.Builder(output).build()) {
				outputConsumer.addNonClassFiles(input);
				remapper.readClassPath(classpath);
				remapper.readInputs(input);
				remapper.apply(outputConsumer);
			} catch (Exception e) {
				throw new RuntimeException("Failed to remap JAR " + input + " with mappings from " + mappingsProvider.tinyMappings, e);
			} finally {
				remapper.finish();
			}
		}
	}
}