import {z} from 'zod'

export type GetApiV1ProductsProductIdArgs = {productId: number, showPurchasableOpt: boolean};

export type GetApiV1ProductsProductIdOptions = {baseUrl?: string | undefined, robloxLegacyCookie?: string | undefined, fetch?: typeof fetch | undefined};

export const robloxEconomyApiPremiumPricingModel = z.object({premiumDiscountPercentage: z.number().int().optional(), premiumPriceInRobux: z.number().int().optional()});

export const robloxEconomyApiModelsPurchasableDetailResponse = z.object({purchasable: z.boolean().optional(), reason: z.union([z.literal(0), z.literal(1), z.literal(2), z.literal(3), z.literal(4), z.literal(5), z.literal(6), z.literal(7), z.literal(8), z.literal(9), z.literal(10), z.literal(11), z.literal(12), z.literal(13), z.literal(14), z.literal(15), z.literal(16), z.literal(17), z.literal(18), z.literal(19), z.literal(20), z.literal(21), z.literal(22), z.literal(23), z.literal(24), z.literal(25), z.literal(26)]).optional(), productId: z.number().int().optional(), statusCode: z.number().int().optional(), title: z.string().optional(), errorMsg: z.string().optional(), showDivId: z.string().optional(), shortfallPrice: z.number().int().optional(), balanceAfterSale: z.number().int().optional(), expectedPrice: z.number().int().optional(), currency: z.number().int().optional(), price: z.number().int().optional(), assetId: z.number().int().optional(), assetName: z.string().optional(), assetType: z.string().optional(), assetTypeDisplayName: z.string().optional(), assetIsWearable: z.boolean().optional(), sellerName: z.string().optional(), transactionVerb: z.string().optional(), isMultiPrivateSale: z.boolean().optional(), premiumPricing: robloxEconomyApiPremiumPricingModel.optional()});

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
};

/**
 * Retrieves the product purchasable details given its id.
 * 
 * GET /v1/products/{productId}
 */
export const getApiV1ProductsProductId = async (args: GetApiV1ProductsProductIdArgs, options?: GetApiV1ProductsProductIdOptions) => {
const {baseUrl = "https://economy.roblox.com", fetch: fetchFn = fetch, robloxLegacyCookie} = options ?? {}

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

if (args.showPurchasableOpt != null) query.append("showPurchasableOpt", String(args.showPurchasableOpt))
if (robloxLegacyCookie !== undefined) cookies.push(".ROBLOSECURITY=" + encodeURIComponent(robloxLegacyCookie))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/products/${encodeURIComponent(String(args.productId))}${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(robloxEconomyApiModelsPurchasableDetailResponse, await res.json())
};