/*
 * Copyright 2024-2026 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.graph.agent.hook.pii;

import java.util.List;

/**
 * Exception raised when PII is detected with BLOCK strategy.
 */
public class PIIDetectionException extends RuntimeException {

	private final String piiType;
	private final List<PIIMatch> matches;

	public PIIDetectionException(String piiType, List<PIIMatch> matches) {
		super(buildMessage(piiType, matches));
		this.piiType = piiType;
		this.matches = matches;
	}

	private static String buildMessage(String piiType, List<PIIMatch> matches) {
		return String.format("Detected %d instance(s) of %s in text content",
				matches.size(), piiType);
	}

	public String getPiiType() {
		return piiType;
	}

	public List<PIIMatch> getMatches() {
		return matches;
	}
}

