import {z} from 'zod'

export type CreateApiSunoFetchArgs = {body: {ids: Array<string>, action: string}};

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

export const createApiSunoFetchResponse = z.object({code: z.string(), message: z.string(), data: z.array(z.object({task_id: z.string().optional(), notify_hook: z.string().optional(), action: z.string().optional(), status: z.string().optional(), fail_reason: z.string().optional(), submit_time: z.number().int().optional(), start_time: z.number().int().optional(), finish_time: z.number().int().optional(), progress: z.string().optional(), data: z.array(z.object({id: z.string(), title: z.string(), status: z.string(), metadata: z.object({tags: z.string(), prompt: z.string(), duration: z.unknown(), error_type: z.unknown(), error_message: z.unknown(), audio_prompt_id: z.unknown(), gpt_description_prompt: z.string()}), audio_url: z.string(), image_url: z.string(), video_url: z.string(), model_name: z.string(), image_large_url: z.string(), major_model_version: z.string()})).optional()}))});

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
};

/**
 * Query batch tasks
 * 
 * POST /suno/fetch
 */
export const createApiSunoFetch = async (args: CreateApiSunoFetchArgs, options?: CreateApiSunoFetchOptions) => {
const {baseUrl = "https://api.deerapi.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/suno/fetch${query.size > 0 ? `?${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 validateResponse(createApiSunoFetchResponse, await res.json())
};