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.dashscope.metadata.audio;
  
  import org.springframework.ai.audio.transcription.AudioTranscriptionResponseMetadata;
  import org.springframework.ai.chat.metadata.EmptyRateLimit;
  import org.springframework.ai.chat.metadata.RateLimit;
  import org.springframework.lang.Nullable;
  import org.springframework.util.Assert;
  
  /**
   * Audio transcription metadata implementation for {@literal DashScope}.
   *
   * @author yuluo
   * @see RateLimit
   */
  public class DashScopeAudioTranscriptionResponseMetadata extends AudioTranscriptionResponseMetadata {
  
  	public static final DashScopeAudioTranscriptionResponseMetadata NULL = new DashScopeAudioTranscriptionResponseMetadata() {
  
  	};
  
  	protected static final String AI_METADATA_STRING = "{ @type: %1$s, rateLimit: %2$s }";
  
  	@Nullable
  	private RateLimit rateLimit;
  
  	protected DashScopeAudioTranscriptionResponseMetadata() {
  		this(null);
  	}
  
  	protected DashScopeAudioTranscriptionResponseMetadata(@Nullable RateLimit rateLimit) {
  		this.rateLimit = rateLimit;
  	}
  
  	public static DashScopeAudioTranscriptionResponseMetadata from(String result) {
  		Assert.notNull(result, "OpenAI Transcription must not be null");
  		return new DashScopeAudioTranscriptionResponseMetadata();
  	}
  
  	@Nullable
  	public RateLimit getRateLimit() {
  		RateLimit rateLimit = this.rateLimit;
  		return rateLimit != null ? rateLimit : new EmptyRateLimit();
  	}
  
  	public DashScopeAudioTranscriptionResponseMetadata withRateLimit(RateLimit rateLimit) {
  		this.rateLimit = rateLimit;
  		return this;
  	}
  
  	@Override
  	public String toString() {
  		return AI_METADATA_STRING.formatted(getClass().getName(), getRateLimit());
  	}
  
  }
  