export type CreateApiV1ChatCompletionsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

/**
 * OpenAI Chat Completions 兼容入口
 * 
 * POST /v1/chat/completions
 */
export const createApiV1ChatCompletions = async (options: CreateApiV1ChatCompletionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()

const url = `${baseUrl.replace(/\/+$/, '')}/v1/chat/completions${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return undefined
};