import {z} from 'zod'

export type PriceUpdatesRequest = {since: string, ignore_grades?: (Array<string> | null) | undefined};

export type CreateApiV1CardsPriceUpdatesArgs = {body: PriceUpdatesRequest};

export type CreateApiV1CardsPriceUpdatesOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const priceUpdate = z.object({price: z.string(), sale_date: z.string(), grade: z.string(), card_desc: z.string(), card_set: z.string(), card_number: z.string(), player: z.string(), variant: z.string(), card_id: z.string(), update_timestamp: z.string()});

export const priceUpdatesResponse = z.object({updates: z.array(priceUpdate), count: z.number().int()});

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 Price Updates (Delta Poll)
 * 
 * POST /v1/cards/price-updates
 */
export const createApiV1CardsPriceUpdates = async (args: CreateApiV1CardsPriceUpdatesArgs, options?: CreateApiV1CardsPriceUpdatesOptions) => {
const {baseUrl = "https://api.cardhedger.com", 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 = `${baseUrl.replace(/\/+$/, '')}/v1/cards/price-updates${query.size > 0 ? `?${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(priceUpdatesResponse, await res.json())
};