import {z} from 'zod'

export type GetApiProductsV2IdOrderbookArgs = {id: string};

export type GetApiProductsV2IdOrderbookOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiProductsV2IdOrderbookResponse = z.object({data: z.object({productId: z.string(), variants: z.array(z.object({variantId: z.string(), variantTitle: z.string(), listings: z.array(z.object({id: z.string(), price: z.number(), quantity: z.number(), spotPremium: z.number().nullable(), spotPremiumDollar: z.number().nullable(), premiumPercent: z.number().nullable(), premiumDollar: z.number().nullable(), type: z.string().nullable(), expiresAt: z.string().nullable(), createdAt: z.string().nullable(), updatedAt: z.string().nullable()})), offers: z.array(z.object({id: z.string(), price: z.number(), quantity: z.number(), spotPremium: z.number().nullable(), spotPremiumDollar: z.number().nullable(), premiumPercent: z.number().nullable(), premiumDollar: z.number().nullable(), type: z.string().nullable(), expiresAt: z.string().nullable(), createdAt: z.string().nullable(), updatedAt: z.string().nullable()}))}))})});

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 live orderbook for a product
 * 
 * GET /products/v2/{id}/orderbook
 */
export const getApiProductsV2IdOrderbook = async (args: GetApiProductsV2IdOrderbookArgs, options?: GetApiProductsV2IdOrderbookOptions) => {
const {baseUrl = "https://api.collectpure.com", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/products/v2/${encodeURIComponent(String(args.id))}/orderbook${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(getApiProductsV2IdOrderbookResponse, await res.json())
};