import {z} from 'zod'

export type CreateApiGenerationPikaPikaV22Args = {body: {input: {image: string, prompt?: string | undefined, negativePrompt?: string | undefined, seed?: number | undefined, resolution?: ('720p' | '1080p') | undefined, length?: number | undefined} | {prompt: string, negativePrompt?: string | undefined, aspectRatio?: ('16:9' | '9:16' | '1:1' | '4:3' | '3:4') | undefined, seed?: number | undefined, resolution?: ('720p' | '1080p') | undefined, length?: number | undefined}, webhookUrl?: string | undefined, clientSource?: string | undefined}};

export type CreateApiGenerationPikaPikaV22Options = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const createApiGenerationPikaPikaV22Response = z.object({taskId: z.string(), status: z.enum(["waiting", "succeed", "failed", "processing"])});

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 video by text or image or reference image
 * 
 * POST /generation/pika/pika-v2-2
 */
export const createApiGenerationPikaPikaV22 = async (args: CreateApiGenerationPikaPikaV22Args, options?: CreateApiGenerationPikaPikaV22Options) => {
const {baseUrl = "https://pollo.ai/api/platform", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/generation/pika/pika-v2-2${query.size > 0 ? `?${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(createApiGenerationPikaPikaV22Response, await res.json())
};