import {z} from 'zod'

export type Symbol = string;

export type GetApiV0MarketsSymbolTradesArgs = {symbol: Symbol, since?: number | undefined, limit?: number | undefined};

export type GetApiV0MarketsSymbolTradesOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const nextCursor = z.string();

export const symbol = z.string();

export const quantity = z.string();

export const address = z.string();

export const price = z.string();

export const tradeSide = z.enum(["buy", "sell"]);

export const timestamp = z.number().int();

export const trade = z.object({amount: quantity, cost: quantity, id: z.string(), maker: address.optional(), price: price, side: tradeSide, symbol: symbol, taker: address.optional(), timestamp: timestamp, txHash: z.string().optional()});

export const getApiV0MarketsSymbolTradesResponse = z.object({nextCursor: nextCursor.optional(), symbol: symbol, total: z.number().int().gte(0).optional(), trades: z.array(trade)});

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
};

/**
 * List recent trades
 * 
 * GET /v0/markets/{symbol}/trades
 */
export const getApiV0MarketsSymbolTrades = async (args: GetApiV0MarketsSymbolTradesArgs, options?: GetApiV0MarketsSymbolTradesOptions) => {
const {baseUrl = "https://api.dreamdex.io", fetch: fetchFn = fetch} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v0/markets/${encodeURIComponent(String(args.symbol))}/trades${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(getApiV0MarketsSymbolTradesResponse, await res.json())
};