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package org.openlca.io.ilcd.input.models;

import java.util.ArrayList;
import java.util.List;

import org.openlca.core.model.ParameterRedef;
import org.openlca.core.model.ParameterRedefSet;
import org.openlca.core.model.ProductSystem;
import org.openlca.core.model.Version;
import org.openlca.ilcd.commons.LangString;
import org.openlca.ilcd.models.Model;
import org.openlca.ilcd.util.Models;
import org.openlca.util.Strings;

/**
 * A utility class for mapping data between eILCD models and product systems.
 */
class IO {

	private IO() {
	}

	static List parametersSetOf(ProductSystem system) {
		if (system == null)
			return new ArrayList<>();
		if (!system.parameterSets.isEmpty())
			return system.parameterSets.get(0).parameters;
		var s = new ParameterRedefSet();
		s.name = "Baseline";
		s.isBaseline = true;
		system.parameterSets.add(s);
		return s.parameters;
	}

	static void mapMetaData(Model model, ProductSystem system) {
		if (model == null || system == null)
			return;
		system.refId = Models.getUUID(model);
		system.name = getName(model);
		var version = Models.getVersion(model);
		if (version != null) {
			system.version = Version.fromString(version).getValue();
		}
	}

	private static String getName(Model m) {
		var mn = Models.getModelName(m);
		if (mn == null)
			return "";
		var parts = List.of(
				mn.getBaseName(),
				mn.getTechnicalDetails(),
				mn.getMixAndLocation(),
				mn.getFlowProperties());
		var name = new StringBuilder();
		for (var part : parts) {
			var s = LangString.getDefault(part);
			if (Strings.nullOrEmpty(s))
				continue;
			if (!name.isEmpty()) {
				name.append("; ");
			}
			name.append(s.trim());
		}
		return name.toString();
	}

}