import {z} from 'zod'

export type GetApiV1EbayCompletedArgs = {query: string, domain?: string | undefined, category_id?: string | undefined, page?: number | undefined, per_page?: number | undefined, sort_by?: ('best_match' | 'ending_soonest' | 'newly_listed' | 'price_low_to_high' | 'price_high_to_low') | undefined, condition?: ('new' | 'open_box' | 'refurbished' | 'used' | 'for_parts') | undefined, min_price?: number | undefined, max_price?: number | undefined};

export type GetApiV1EbayCompletedOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1EbayCompletedResponse = z.object({query: z.string().nullable().optional(), domain: z.string().optional(), category_id: z.string().nullable().optional(), sold: z.boolean().optional(), results: z.array(z.object({position: z.number().int().optional(), item_id: z.string().nullable().optional(), product_id: z.string().nullable().optional(), title: z.string().nullable().optional(), url: z.string().nullable().optional(), image: z.string().nullable().optional(), price: z.object({value: z.number().nullable().optional(), currency: z.string().nullable().optional(), symbol: z.string().nullable().optional(), raw: z.string().nullable().optional()}).optional(), original_price: z.object({value: z.number().nullable().optional(), currency: z.string().nullable().optional(), symbol: z.string().nullable().optional(), raw: z.string().nullable().optional()}).optional(), discount_percent: z.number().nullable().optional(), currency: z.string().nullable().optional(), condition: z.string().nullable().optional(), brand: z.string().nullable().optional(), buying_format: z.string().nullable().optional(), is_auction: z.boolean().optional(), bids: z.number().int().nullable().optional(), time_left: z.string().nullable().optional(), current_bid: z.object({value: z.number().nullable().optional(), currency: z.string().nullable().optional(), symbol: z.string().nullable().optional(), raw: z.string().nullable().optional()}).nullable().optional(), shipping: z.string().nullable().optional(), shipping_cost: z.object({value: z.number().nullable().optional(), currency: z.string().nullable().optional(), symbol: z.string().nullable().optional(), raw: z.string().nullable().optional()}).optional(), free_shipping: z.boolean().nullable().optional(), location: z.string().nullable().optional(), returns: z.string().nullable().optional(), sold_count: z.number().int().nullable().optional(), sold_date: z.string().nullable().optional(), sold_date_at: z.string().nullable().optional(), watchers: z.number().int().nullable().optional(), coupon: z.string().nullable().optional(), rating: z.number().nullable().optional(), ratings_total: z.number().int().nullable().optional(), seller_name: z.string().nullable().optional(), seller_feedback_percent: z.number().nullable().optional(), seller_feedback_score: z.number().int().nullable().optional(), program_badge: z.string().nullable().optional(), is_sponsored: z.boolean().optional()})).optional(), facets: z.record(z.string(), z.array(z.string())).optional(), pagination: z.object({current_page: z.number().int().optional(), per_page: z.number().int().nullable().optional(), total_pages: z.number().int().nullable().optional(), total_results: z.number().int().nullable().optional()}).optional(), scraped_utc: z.number().nullable().optional(), scraped_at: z.string().nullable().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
};

/**
 * Completed / Sold Listings
 * 
 * GET /v1/ebay/completed
 */
export const getApiV1EbayCompleted = async (args: GetApiV1EbayCompletedArgs, options?: GetApiV1EbayCompletedOptions) => {
const {baseUrl = "https://scrapebadger.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.domain != null) query.append("domain", String(args.domain))
if (args.category_id != null) query.append("category_id", String(args.category_id))
if (args.page != null) query.append("page", String(args.page))
if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.sort_by != null) query.append("sort_by", String(args.sort_by))
if (args.condition != null) query.append("condition", String(args.condition))
if (args.min_price != null) query.append("min_price", String(args.min_price))
if (args.max_price != null) query.append("max_price", String(args.max_price))
if (apiKey !== undefined) headers.set("x-api-key", apiKey)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/ebay/completed${query.size > 0 ? `?${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(getApiV1EbayCompletedResponse, await res.json())
};