import {z} from 'zod'

export type IntegrationMode = 'TEXT' | 'AVATAR';

export type CreateApiModelQuerySharedStreamArgs = {question: string, token: string, conversation_id: string, user_generated_id?: string | undefined, integration_mode?: IntegrationMode | undefined, avatar_id?: string | undefined};

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

export const createApiModelQuerySharedStreamResponse = z.unknown();

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Make Shared Query Stream
 * 
 * POST /model/query-shared-stream
 */
export const createApiModelQuerySharedStream = async (args: CreateApiModelQuerySharedStreamArgs, options: CreateApiModelQuerySharedStreamOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

if (args.question != null) query.append("question", String(args.question))
if (args.token != null) query.append("token", String(args.token))
if (args.conversation_id != null) query.append("conversation_id", String(args.conversation_id))
if (args.user_generated_id != null) query.append("user_generated_id", String(args.user_generated_id))
if (args.integration_mode != null) query.append("integration_mode", String(args.integration_mode))
if (args.avatar_id != null) query.append("avatar_id", String(args.avatar_id))

const url = `${baseUrl.replace(/\/+$/, '')}/model/query-shared-stream${query.size > 0 ? `?${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 validateResponse(createApiModelQuerySharedStreamResponse, await res.json())
};