import {z} from 'zod'

export type CreateApiReplicateV1ModelsModelsPredictionsArgs = {models: string, body: {input: {prompt: string, aspect_ratio?: string | undefined, output_format?: ('webp' | 'png' | 'jpg' | 'jpeg') | undefined, output_quality?: number | undefined, input_image?: string | undefined, input_images?: Array<string> | undefined}}};

export type CreateApiReplicateV1ModelsModelsPredictionsOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiReplicateV1ModelsModelsPredictionsResponse = z.object({id: z.string(), model: z.string(), version: z.string().optional(), input: z.object({}), logs: z.string().optional(), output: z.array(z.string()).nullable(), data_removed: z.boolean().optional(), error: z.string().nullable(), source: z.string().optional(), status: z.string(), created_at: z.string(), urls: z.object({cancel: z.string().optional(), get: z.string().optional(), stream: z.string().optional(), web: 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
};

/**
 * Create a Replicate prediction
 * 
 * POST /replicate/v1/models/{models}/predictions
 */
export const createApiReplicateV1ModelsModelsPredictions = async (args: CreateApiReplicateV1ModelsModelsPredictionsArgs, options?: CreateApiReplicateV1ModelsModelsPredictionsOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/replicate/v1/models/${encodeURIComponent(String(args.models))}/predictions${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(createApiReplicateV1ModelsModelsPredictionsResponse, await res.json())
};