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.core.workflow;
  
  import com.google.common.collect.Sets;
  import com.alibaba.cloud.ai.studio.runtime.enums.ParameterTypeEnum;
  import lombok.Getter;
  
  import java.util.Arrays;
  import java.util.Set;
  import java.util.stream.Collectors;
  
  import static com.alibaba.cloud.ai.studio.core.workflow.constants.WorkflowConstants.ARRAY_CODE;
  
  /**
   * Enum representing different types of comparison operators for parameter validation
   */
  @Getter
  public enum JudgeOperator {
  
  	/**
  	 * Basic comparison operators
  	 */
  	EQUALS("equals", "equals",
  			Sets.newHashSet(ParameterTypeEnum.STRING.getCode(), ParameterTypeEnum.NUMBER.getCode(),
  					ParameterTypeEnum.BOOLEAN.getCode())),
  	NOT_EQUALS("notEquals", "not equals",
  			Sets.newHashSet(ParameterTypeEnum.STRING.getCode(), ParameterTypeEnum.NUMBER.getCode(),
  					ParameterTypeEnum.BOOLEAN.getCode())),
  	IS_NULL("isNull", "is null", ParameterTypeEnum.getAllCodes()),
  	IS_NOT_NULL("isNotNull", "is not null", ParameterTypeEnum.getAllCodes()),
  	GREATER("greater", "greater than", Sets.newHashSet(ParameterTypeEnum.NUMBER.getCode())),
  	GREATER_AND_EQUAL("greaterAndEqual", "greater than or equal to",
  			Sets.newHashSet(ParameterTypeEnum.NUMBER.getCode())),
  	LESS("less", "less than", Sets.newHashSet(ParameterTypeEnum.NUMBER.getCode())),
  	LESS_AND_EQUAL("lessAndEqual", "less than or equal to", Sets.newHashSet(ParameterTypeEnum.NUMBER.getCode())),
  	IS_TRUE("isTrue", "is true", Sets.newHashSet(ParameterTypeEnum.BOOLEAN.getCode())),
  	IS_FALSE("isFalse", "is false", Sets.newHashSet(ParameterTypeEnum.BOOLEAN.getCode())),
  
  	/**
  	 * Length comparison operators for arrays and strings
  	 */
  	LENGTH_EQUALS("lengthEquals", "length equals",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode()))
  				.collect(Collectors.toSet())),
  	LENGTH_GREATER("lengthGreater", "length greater than",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode()))
  				.collect(Collectors.toSet())),
  	LENGTH_GREATER_AND_EQUAL("lengthGreaterAndEqual", "length greater than or equal to",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode()))
  				.collect(Collectors.toSet())),
  	LENGTH_LESS("lengthLess", "length less than",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode()))
  				.collect(Collectors.toSet())),
  	LENGTH_LESS_AND_EQUAL("lengthLessAndEqual", "length less than or equal to",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode()))
  				.collect(Collectors.toSet())),
  
  	/**
  	 * Collection and object operators
  	 */
  	CONTAINS("contains", "contains",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode())
  						|| code.equals(ParameterTypeEnum.OBJECT.getCode()))
  				.collect(Collectors.toSet())),
  	NOT_CONTAINS("notContains", "does not contain",
  			Arrays.stream(ParameterTypeEnum.values())
  				.map(ParameterTypeEnum::getCode)
  				.filter(code -> code.startsWith(ARRAY_CODE) || code.equals(ParameterTypeEnum.STRING.getCode())
  						|| code.equals(ParameterTypeEnum.OBJECT.getCode()))
  				.collect(Collectors.toSet())),;
  
  	/**
  	 * @return Set of all operator codes
  	 */
  	public static Set<String> getAllCodes() {
  		return Arrays.stream(JudgeOperator.values()).map(JudgeOperator::getCode).collect(Collectors.toSet());
  	}
  
  	/**
  	 * @param operator operator code
  	 * @return JudgeOperator instance for the given code, or null if not found
  	 */
  	public static JudgeOperator getOperator(String operator) {
  		return Arrays.stream(JudgeOperator.values())
  			.filter(op -> op.getCode().equals(operator))
  			.findFirst()
  			.orElse(null);
  	}
  
  	/** Operator code */
  	private final String code;
  
  	/** Operator description */
  	private final String desc;
  
  	/** Set of parameter types this operator can be applied to */
  	private final Set<String> scopeSet;
  
  	JudgeOperator(String code, String desc, Set<String> scopeSet) {
  		this.code = code;
  		this.desc = desc;
  		this.scopeSet = scopeSet;
  	}
  
  }
  