import {z} from 'zod'

export type GetApiExchangesExchangeIdArgs = {quotes?: string | undefined, exchange_id: string};

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

export const exchangeLinks = z.object({website: z.array(z.string()).optional(), twitter: z.array(z.string()).optional()});

export const exchangeFiat = z.object({name: z.string().optional(), symbol: z.string().optional()});

export const exchangesQuote = z.object({reported_volume_24h: z.number().optional(), adjusted_volume_24h: z.number().optional(), reported_volume_7d: z.number().optional(), adjusted_volume_7d: z.number().optional(), reported_volume_30d: z.number().optional(), adjusted_volume_30d: z.number().optional()});

export const exchangesQuotes = z.object({$KEY: exchangesQuote.optional()});

export const exchange = z.object({id: z.string().optional(), name: z.string().optional(), type: z.array(z.enum(["cex", "dex", "perpetuals", "spot", "otc", "other"])).optional(), active: z.boolean().optional(), website_status: z.boolean().optional(), api_status: z.boolean().optional(), description: z.string().nullable().optional(), message: z.string().optional(), links: exchangeLinks.optional(), markets_data_fetched: z.boolean().optional(), adjusted_rank: z.number().int().optional(), reported_rank: z.number().int().optional(), currencies: z.number().int().optional(), markets: z.number().int().optional(), fiats: z.array(exchangeFiat).optional(), quotes: exchangesQuotes.optional(), last_updated: z.string().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 exchange by ID
 * 
 * GET /exchanges/{exchange_id}
 */
export const getApiExchangesExchangeId = async (args: GetApiExchangesExchangeIdArgs, options?: GetApiExchangesExchangeIdOptions) => {
const {baseUrl = "https://api.coinpaprika.com/v1", fetch: fetchFn = fetch} = options ?? {}

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

if (args.quotes != null) query.append("quotes", String(args.quotes))

const url = `${baseUrl.replace(/\/+$/, '')}/exchanges/${encodeURIComponent(String(args.exchange_id))}${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(exchange, await res.json())
};