content: /*
   * Copyright 2024-2025 the original author or authors.
   *
   * 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
   *
   *      https://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.alibaba.cloud.ai.studio.admin.generator.service.dsl.converter;
  
  import java.util.ArrayList;
  import java.util.HashMap;
  import java.util.List;
  import java.util.Map;
  import java.util.function.BiConsumer;
  import java.util.stream.Stream;
  
  import com.alibaba.cloud.ai.studio.admin.generator.model.VariableSelector;
  import com.alibaba.cloud.ai.studio.admin.generator.model.workflow.NodeType;
  import com.alibaba.cloud.ai.studio.admin.generator.model.workflow.nodedata.AnswerNodeData;
  import com.alibaba.cloud.ai.studio.admin.generator.service.dsl.AbstractNodeDataConverter;
  import com.alibaba.cloud.ai.studio.admin.generator.service.dsl.DSLDialectType;
  import com.alibaba.cloud.ai.studio.admin.generator.utils.StringTemplateUtil;
  
  import org.springframework.stereotype.Component;
  
  @Component
  public class AnswerNodeDataConverter extends AbstractNodeDataConverter<AnswerNodeData> {
  
  	@Override
  	public Boolean supportNodeType(NodeType nodeType) {
  		return NodeType.ANSWER.equals(nodeType);
  	}
  
  	@Override
  	protected List<DialectConverter<AnswerNodeData>> getDialectConverters() {
  		return Stream.of(AnswerNodeDialectConverter.values())
  			.map(AnswerNodeDialectConverter::dialectConverter)
  			.toList();
  	}
  
  	private enum AnswerNodeDialectConverter {
  
  		DIFY(new DialectConverter<>() {
  			@Override
  			public Boolean supportDialect(DSLDialectType dialectType) {
  				return DSLDialectType.DIFY.equals(dialectType);
  			}
  
  			@Override
  			public AnswerNodeData parse(Map<String, Object> data) {
  				String difyTmpl = (String) data.get("answer");
  				List<String> variables = new ArrayList<>();
  				List<VariableSelector> inputs = variables.stream().map(variable -> {
  					String[] splits = variable.split("\\.", 2);
  					return new VariableSelector(splits[0], splits[1]);
  				}).toList();
  				String outputKey = (String) data.get("output_key");
  
  				AnswerNodeData nd = new AnswerNodeData(inputs, AnswerNodeData.getDefaultOutputs()).setAnswer(difyTmpl);
  				nd.setOutputKey(outputKey);
  				return nd;
  			}
  
  			@Override
  			public Map<String, Object> dump(AnswerNodeData nodeData) {
  				Map<String, Object> data = new HashMap<>();
  				String difyTmpl = StringTemplateUtil.toDifyTmpl(nodeData.getAnswer());
  				data.put("answer", difyTmpl);
  				return data;
  			}
  		}),
  
  		CUSTOM(AbstractNodeDataConverter.defaultCustomDialectConverter(AnswerNodeData.class));
  
  		private final DialectConverter<AnswerNodeData> dialectConverter;
  
  		public DialectConverter<AnswerNodeData> dialectConverter() {
  			return dialectConverter;
  		}
  
  		AnswerNodeDialectConverter(DialectConverter<AnswerNodeData> dialectConverter) {
  			this.dialectConverter = dialectConverter;
  		}
  
  	}
  
  	@Override
  	public String generateVarName(int count) {
  		return "answerNode" + count;
  	}
  
  	@Override
  	public BiConsumer<AnswerNodeData, Map<String, String>> postProcessConsumer(DSLDialectType dialectType) {
  		return switch (dialectType) {
  			case DIFY -> emptyProcessConsumer().andThen((nodeData, idToVarName) -> {
  				nodeData
  					.setOutputKey(nodeData.getVarName() + "_" + AnswerNodeData.getDefaultOutputs().get(0).getName());
  				nodeData.setAnswer(this.convertVarTemplate(dialectType, nodeData.getAnswer(), idToVarName));
  			}).andThen(super.postProcessConsumer(dialectType));
  			default -> super.postProcessConsumer(dialectType);
  		};
  	}
  
  }
  