import {z} from 'zod'

export type GetApiEvmRhTradesArgs = {tokenAddress: string, limit?: number | undefined, beforeTs?: number | undefined, beforeId?: string | undefined};

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

export const rhTrade = z.object({id: z.string(), kind: z.enum(["buy", "sell"]), venue: z.enum(["curve", "pool"]), account: z.string(), ethWei: z.string(), tokenWei: z.string(), priceEthPerToken: z.string(), blockNumber: z.number(), timestamp: z.number(), txHash: z.string(), logIndex: z.number()});

export const getApiEvmRhTradesResponse = z.object({success: z.boolean(), response: z.object({trades: z.array(rhTrade), nextBeforeTs: z.number().nullable(), nextBeforeId: z.string().nullable()}).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 trade history
 * 
 * GET /evm/rh/trades
 */
export const getApiEvmRhTrades = async (args: GetApiEvmRhTradesArgs, options?: GetApiEvmRhTradesOptions) => {
const {baseUrl = "https://public-api-v2.bags.fm/api/v1", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.tokenAddress != null) query.append("tokenAddress", String(args.tokenAddress))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.beforeTs != null) query.append("beforeTs", String(args.beforeTs))
if (args.beforeId != null) query.append("beforeId", String(args.beforeId))
if (ApiKeyAuth !== undefined) headers.set("x-api-key", ApiKeyAuth)

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