AiChatRequest.java

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package dev.rafex.ether.ai.core.chat;
 
/*-
 * #%L
 * ether-ai-core
 * %%
 * Copyright (C) 2025 - 2026 Raúl Eduardo González Argote
 * %%
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
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import java.util.Arrays;
import java.util.List;
import java.util.Objects;
 
import dev.rafex.ether.ai.core.message.AiMessage;
 
public record AiChatRequest(String model, List<AiMessage> messages, Double temperature, Integer maxOutputTokens) {
 
    public AiChatRequest {
        Objects.requireNonNull(model, "model");
        if (model.isBlank()) {
            throw new IllegalArgumentException("model must not be blank");
        }
        Objects.requireNonNull(messages, "messages");
        if (messages.isEmpty()) {
            throw new IllegalArgumentException("messages must not be empty");
        }
        messages = List.copyOf(messages);
        if (temperature != null && (temperature < 0.0d || temperature > 2.0d)) {
            throw new IllegalArgumentException("temperature must be between 0.0 and 2.0");
        }
        if (maxOutputTokens != null && maxOutputTokens < 1) {
            throw new IllegalArgumentException("maxOutputTokens must be greater than 0");
        }
    }
 
    public static AiChatRequest of(final String model, final AiMessage... messages) {
        return new AiChatRequest(model, Arrays.asList(messages), null, null);
    }
}