import {z} from 'zod'

export type GetApiTradingItemsArgs = {per_page: number, page: number, auction?: string | undefined, sort?: string | undefined, search?: string | undefined, order?: string | undefined, price_min?: number | undefined, price_max?: number | undefined, price_max_above?: number | undefined, delivery_time_long_min?: number | undefined, delivery_time_long_max?: number | undefined, wear_min?: string | undefined, wear_max?: string | undefined, has_stickers?: string | undefined, is_commodity?: string | undefined};

export type GetApiTradingItemsOptions = {baseUrl?: string | undefined, sec0?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiTradingItemsResponse = z.object({current_page: z.number().int().optional(), data: z.array(z.object({above_recommended_price: z.number().int().optional(), auction_ends_at: z.number().int().optional(), auction_highest_bid: z.unknown(), auction_highest_bidder: z.unknown(), auction_number_of_bids: z.number().int().optional(), blue_percentage: z.unknown(), depositor_stats: z.object({delivery_rate_long: z.unknown(), delivery_rate_recent: z.unknown(), delivery_rate_status: z.unknown(), delivery_time_minutes_long: z.unknown(), delivery_time_minutes_recent: z.unknown(), steam_level_max_range: z.unknown(), steam_level_min_range: z.unknown(), user_has_trade_notifications_enabled: z.boolean().optional(), user_online_status: z.number().int().optional()}).optional(), fade_percentage: z.unknown(), icon_url: z.string().optional(), id: z.number().int().optional(), is_commodity: z.boolean().optional(), market_name: z.string().optional(), market_value: z.number().int().optional(), name_color: z.string().optional(), preview_id: z.unknown(), price_is_unreliable: z.boolean().optional(), published_at: z.string().optional(), purchase_price: z.number().int().optional(), stickers: z.array(z.unknown()).optional(), suggested_price: z.number().int().optional(), wear: z.unknown(), wear_name: z.unknown()})).optional(), first_page_url: z.string().optional(), from: z.number().int().optional(), last_page: z.number().int().optional(), last_page_url: z.string().optional(), links: z.array(z.object({active: z.boolean().optional(), label: z.string().optional(), url: z.unknown()})).optional(), next_page_url: z.string().optional(), path: z.string().optional(), per_page: z.number().int().optional(), prev_page_url: z.unknown(), success: z.boolean().optional(), to: z.number().int().optional(), total: z.number().int().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
};

/**
 * Get Listed Items
 * 
 * GET /trading/items
 */
export const getApiTradingItems = async (args: GetApiTradingItemsArgs, options?: GetApiTradingItemsOptions) => {
const {baseUrl = "https://csgoempire.com/api/v2", fetch: fetchFn = fetch, sec0} = options ?? {}

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

if (args.per_page != null) query.append("per_page", String(args.per_page))
if (args.page != null) query.append("page", String(args.page))
if (args.auction != null) query.append("auction", String(args.auction))
if (args.sort != null) query.append("sort", String(args.sort))
if (args.search != null) query.append("search", String(args.search))
if (args.order != null) query.append("order", String(args.order))
if (args.price_min != null) query.append("price_min", String(args.price_min))
if (args.price_max != null) query.append("price_max", String(args.price_max))
if (args.price_max_above != null) query.append("price_max_above", String(args.price_max_above))
if (args.delivery_time_long_min != null) query.append("delivery_time_long_min", String(args.delivery_time_long_min))
if (args.delivery_time_long_max != null) query.append("delivery_time_long_max", String(args.delivery_time_long_max))
if (args.wear_min != null) query.append("wear_min", String(args.wear_min))
if (args.wear_max != null) query.append("wear_max", String(args.wear_max))
if (args.has_stickers != null) query.append("has_stickers", String(args.has_stickers))
if (args.is_commodity != null) query.append("is_commodity", String(args.is_commodity))
if (sec0 !== undefined) headers.set("Authorization", sec0)

const url = `${baseUrl.replace(/\/+$/, '')}/trading/items${query.size > 0 ? `?${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(getApiTradingItemsResponse, await res.json())
};