OpenAI Chat Completion

import type { OpenAIUsage } from "./openai-shared";

export type OpenAIChatMessageRole = "system" | "user" | "assistant" | "tool";

export interface OpenAIToolCallFunction {
  name: string;
  arguments: string;
}

export interface OpenAIToolCall {
  id: string;
  type: "function";
  function: OpenAIToolCallFunction;
}

export interface OpenAIChatMessage {
  role: OpenAIChatMessageRole;
  content: string | null;
  name?: string;
  tool_calls?: OpenAIToolCall[];
}

export type OpenAIFinishReason =
  | "stop"
  | "length"
  | "tool_calls"
  | "content_filter";

export interface OpenAIChatCompletionChoice {
  index: number;
  message: OpenAIChatMessage;
  finish_reason: OpenAIFinishReason | null;
}

export interface OpenAIChatCompletion {
  id: string;
  object: "chat.completion";
  created: number;
  model: string;
  choices: OpenAIChatCompletionChoice[];
  usage: OpenAIUsage;
  system_fingerprint: string | null;
}