import {z} from 'zod'

export type GetApiProductsSearchProductsV3Args = {query?: string | undefined, limit?: number | undefined, offset?: number | undefined, filter_by?: string | undefined};

export type GetApiProductsSearchProductsV3Options = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiProductsSearchProductsV3Response = z.object({data: z.object({products: z.array(z.object({id: z.string(), title: z.string(), description: z.string(), sku: z.string(), category: z.string(), sub_category: z.string(), material: z.string(), manufacturer: z.string(), weight: z.string(), weight_grams: z.number(), purity: z.string(), premium_calculation_type: z.string(), certificate_provider: z.string().optional(), attributes: z.array(z.number()).optional(), variants: z.array(z.object({id: z.string(), title: z.string(), description: z.string().nullable().optional(), sortKey: z.number().nullable().optional()})).optional(), images: z.array(z.string()).optional(), listing_id: z.string().optional(), listing_price: z.number().optional(), listing_spot_premium: z.number().optional(), listing_spot_premium_dollar: z.number().optional(), listing_expires_at: z.string().optional(), offer_id: z.string().optional(), offer_price: z.number().optional(), offer_spot_premium: z.number().optional(), offer_spot_premium_dollar: z.number().optional(), offer_expires_at: z.string().optional(), is_stocked_by_bb_store: z.boolean().optional(), is_certified: z.boolean().optional(), is_esg: z.boolean().optional(), is_ira: z.boolean().optional(), is_numismatic: z.boolean().optional(), has_listing: z.boolean().optional(), has_offer: z.boolean().optional(), favorite_count: z.number().optional(), view_count: z.number(), created_at: z.string().optional(), updated_at: z.string().optional()})), total: z.number(), facets: z.array(z.object({field: z.string(), counts: z.array(z.object({value: z.string(), count: z.number()})), stats: z.object({min: z.number().optional(), max: z.number().optional(), sum: z.number().optional(), avg: z.number().optional(), total_values: z.number().optional()}).optional()})).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
};

/**
 * Search products
 * 
 * GET /products/search-products/v3
 */
export const getApiProductsSearchProductsV3 = async (args: GetApiProductsSearchProductsV3Args, options?: GetApiProductsSearchProductsV3Options) => {
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 (args.query != null) query.append("query", String(args.query))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (args.filter_by != null) query.append("filter_by", String(args.filter_by))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/products/search-products/v3${query.size > 0 ? `?${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(getApiProductsSearchProductsV3Response, await res.json())
};