export type GenerateMessageAnswerOptions = {responseSize?: ('XS' | 'SM' | 'MD' | 'LG' | 'XL' | 'AUTO') | undefined, autoUseFallback?: boolean | undefined, gptModel?: ('GPT_3_5_TURBO' | 'GPT_4') | undefined, useInlineReferences?: boolean | undefined, customInstructionId?: string | undefined, inlineReferenceType?: ('ID' | 'URL') | undefined};

export type GenerateExistingMessageAnswerRequest = {messageId: string, options?: GenerateMessageAnswerOptions | undefined};

export type CreateApiChatMessageStreamArgs = {body: GenerateExistingMessageAnswerRequest};

export type CreateApiChatMessageStreamOptions = {baseUrl?: string | undefined, BasicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

/**
 * Get a streaming answer
 * 
 * POST /chat/message/stream
 */
export const createApiChatMessageStream = async (args: CreateApiChatMessageStreamArgs, options?: CreateApiChatMessageStreamOptions) => {
const {baseUrl = "https://api.sentiyen.com/api/v3", fetch: fetchFn = fetch, BasicAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")
headers.set('accept', "application/octet-stream")

if (BasicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${BasicAuth.username}:${BasicAuth.password}`)}`)

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

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return res.blob()
};