package net.minecraft.server.dialog.action;

import com.mojang.serialization.Codec;
import com.mojang.serialization.DataResult;
import java.util.List;
import java.util.Map;
import net.minecraft.commands.functions.StringTemplate;

public class ParsedTemplate {
	public static final Codec<ParsedTemplate> CODEC = Codec.STRING.comapFlatMap(ParsedTemplate::parse, t -> t.raw);
	public static final Codec<String> VARIABLE_CODEC = Codec.STRING
		.validate(s -> StringTemplate.isValidVariableName(s) ? DataResult.success(s) : DataResult.error(() -> s + " is not a valid input name"));
	private final String raw;
	private final StringTemplate parsed;

	private ParsedTemplate(final String raw, final StringTemplate parsed) {
		this.raw = raw;
		this.parsed = parsed;
	}

	private static DataResult<ParsedTemplate> parse(final String value) {
		StringTemplate template;
		try {
			template = StringTemplate.fromString(value);
		} catch (Exception var3) {
			return DataResult.error(() -> "Failed to parse template " + value + ": " + var3.getMessage());
		}

		return DataResult.success(new ParsedTemplate(value, template));
	}

	public String instantiate(final Map<String, String> arguments) {
		List<String> values = this.parsed.variables().stream().map(k -> (String)arguments.getOrDefault(k, "")).toList();
		return this.parsed.substitute(values);
	}
}