import {z} from 'zod'

export type GetApiApiCongressCongressTraderArgs = {date?: string | undefined, limit?: number | undefined, name?: string | undefined};

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

export const congressTraderTransaction = z.object({amounts: z.string().optional(), filed_at_date: z.string().optional(), issuer: z.string().optional(), member_type: z.enum(["senate", "house", "other"]).optional(), notes: z.string().optional(), reporter: z.string().optional(), ticker: z.string().optional(), transaction_date: z.string().optional(), txn_type: z.enum(["Buy", "Sell (partial)", "Purchase", "Sale (Partial)", "Receive", "Sale (Full)", "Sell (PARTIAL)", "Sell", "Exchange"]).optional()});

export const congressTraderResponse = z.object({data: z.array(congressTraderTransaction).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 Trades by Congress Member
 * 
 * GET /api/congress/congress-trader
 */
export const getApiApiCongressCongressTrader = async (args: GetApiApiCongressCongressTraderArgs, options?: GetApiApiCongressCongressTraderOptions) => {
const {baseUrl = "https://api.unusualwhales.com", fetch: fetchFn = fetch, BearerAuth} = options ?? {}

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

if (args.date != null) query.append("date", String(args.date))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.name != null) query.append("name", String(args.name))
if (BearerAuth !== undefined) headers.set('authorization', `Bearer ${BearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/api/congress/congress-trader${query.size > 0 ? `?${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(congressTraderResponse, await res.json())
};