import {z} from 'zod'

export type GetApiOndemandPagesOndemandIdPromotionsArgs = {ondemand_id: number, filter: 'batch' | 'default' | 'single' | 'vip', page?: number | undefined, per_page?: number | undefined};

export type GetApiOndemandPagesOndemandIdPromotionsOptions = {baseUrl?: string | undefined, oauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const onDemandPromotion = z.object({access_type: z.enum(["default", "vip"]), discount_type: z.enum(["dollars", "free", "percent"]), download: z.boolean(), label: z.string().nullable(), metadata: z.object({connections: z.object({codes: z.object({options: z.array(z.string()), total: z.number(), uri: z.string()})})}), percent_off: z.number(), product_type: z.enum(["any", "buy", "buy_episode", "rent", "rent_episode", "subscribe"]), stream_period: z.enum(["1_week", "1_year", "24_hour", "30_days", "3_month", "48_hour", "6_month", "72_hour"]).nullable(), total: z.number(), type: z.enum(["batch", "batch_prefix", "single"]), uri: z.string()});

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
};

/**
 * Get all the promotions on an On Demand page
 * 
 * GET /ondemand/pages/{ondemand_id}/promotions
 */
export const getApiOndemandPagesOndemandIdPromotions = async (args: GetApiOndemandPagesOndemandIdPromotionsArgs, options?: GetApiOndemandPagesOndemandIdPromotionsOptions) => {
const {baseUrl = "https://api.vimeo.com", fetch: fetchFn = fetch, oauth2} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/vnd.vimeo.ondemand.promotion+json")

if (args.filter != null) query.append("filter", String(args.filter))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (oauth2 !== undefined) headers.set('authorization', `Bearer ${oauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/ondemand/pages/${encodeURIComponent(String(args.ondemand_id))}/promotions${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(onDemandPromotion, await res.json())
};