import {z} from 'zod'

export type GetApiTradesArgs = {baseToken?: string | undefined, quoteToken?: string | undefined, pageOffset?: string | undefined, pageSize?: string | undefined, sortBy?: string | undefined, sortType?: string | undefined, from?: string | undefined, to?: string | undefined};

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

export const trade = z.object({id: z.string().optional(), taker: z.string().optional(), maker: z.string().optional(), baseToken: z.string().optional(), quoteToken: z.string().optional(), makerOrderHash: z.string().optional(), takerOrderHash: z.string().optional(), hash: z.string().optional(), txHash: z.string().optional(), pairName: z.string().optional(), pricepoint: z.string().optional(), amount: z.string().optional(), status: z.string().optional(), createdAt: z.string().optional(), updatedAt: z.string().optional()});

export const getApiTradesResponse = z.object({total: z.number().int().optional(), trades: z.array(trade).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
};

/**
 * Retrieve all trades corresponding to a baseToken or/and a quoteToken
 * 
 * GET /trades
 */
export const getApiTrades = async (args: GetApiTradesArgs, options?: GetApiTradesOptions) => {
const {baseUrl = "https://dex.tomochain.com/api", fetch: fetchFn = fetch} = options ?? {}

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

if (args.baseToken != null) query.append("baseToken", String(args.baseToken))
if (args.quoteToken != null) query.append("quoteToken", String(args.quoteToken))
if (args.pageOffset != null) query.append("pageOffset", String(args.pageOffset))
if (args.pageSize != null) query.append("pageSize", String(args.pageSize))
if (args.sortBy != null) query.append("sortBy", String(args.sortBy))
if (args.sortType != null) query.append("sortType", String(args.sortType))
if (args.from != null) query.append("from", String(args.from))
if (args.to != null) query.append("to", String(args.to))

const url = `${baseUrl.replace(/\/+$/, '')}/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(getApiTradesResponse, await res.json())
};