import {z} from 'zod'

export type CreateApiRunwayProGenerateArgs = {'X-Runway-Version'?: string | undefined, body: {callback_url: string, ratio: string, prompt: string, style?: string | undefined, model: string, options?: ({seconds?: number | undefined, motion_vector?: ({x?: number | undefined, y?: number | undefined, z?: number | undefined, r?: number | undefined, bg_x_pan?: number | undefined, bg_y_pan?: number | undefined}) | undefined, image_as_end_frame?: boolean | undefined, flip?: boolean | undefined}) | undefined, image: string, last_image?: string | undefined}};

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

export const createApiRunwayProGenerateResponse = z.object({code: z.number().int(), msg: z.string(), data: z.object({task_id: z.string(), state: z.string().nullable().optional(), status: z.string().nullable().optional(), prompt: z.string().nullable().optional(), prompt_en: z.string().nullable().optional(), video_url: z.string().nullable().optional(), raw_video_url: z.string().nullable().optional(), poster: z.string().nullable().optional(), last_frame: z.string().nullable().optional(), msg: z.string().nullable().optional(), point: z.string().nullable().optional(), refund: z.string().nullable().optional(), create_time: z.string().nullable().optional(), update_time: z.string().nullable().optional()}).and(z.record(z.string(), z.unknown())), exec_time: z.number()});

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
};

/**
 * Generate with Reference Image API
 * 
 * POST /runway/pro/generate
 */
export const createApiRunwayProGenerate = async (args: CreateApiRunwayProGenerateArgs, options?: CreateApiRunwayProGenerateOptions) => {
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 (args['X-Runway-Version'] != null) headers.set("X-Runway-Version", String(args['X-Runway-Version']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/runway/pro/generate${query.size > 0 ? `?${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(createApiRunwayProGenerateResponse, await res.json())
};