package net.minecraft.data.info;

import com.mojang.brigadier.CommandDispatcher;
import java.nio.file.Path;
import java.util.concurrent.CompletableFuture;
import net.minecraft.commands.CommandSourceStack;
import net.minecraft.commands.Commands;
import net.minecraft.commands.Commands.CommandSelection;
import net.minecraft.commands.synchronization.ArgumentUtils;
import net.minecraft.core.HolderLookup;
import net.minecraft.data.CachedOutput;
import net.minecraft.data.DataProvider;
import net.minecraft.data.PackOutput;
import net.minecraft.data.PackOutput.Target;

public class CommandsReport implements DataProvider {
	private final PackOutput output;
	private final CompletableFuture<HolderLookup.Provider> registries;

	public CommandsReport(PackOutput output, CompletableFuture<HolderLookup.Provider> registries) {
		this.output = output;
		this.registries = registries;
	}

	@Override
	public CompletableFuture<?> run(CachedOutput output) {
		Path path = this.output.getOutputFolder(Target.REPORTS).resolve("commands.json");
		return this.registries.thenCompose(provider -> {
			CommandDispatcher<CommandSourceStack> commandDispatcher = new Commands(CommandSelection.ALL, Commands.createValidationContext(provider)).getDispatcher();
			return DataProvider.saveStable(output, ArgumentUtils.serializeNodeToJson(commandDispatcher, commandDispatcher.getRoot()), path);
		});
	}

	@Override
	public final String getName() {
		return "Command Syntax";
	}
}