import {z} from 'zod'

export type GetApiV1ContractsAddressEventsArgs = {address: string, event_name?: string | undefined, block_number?: string | undefined, only_unconfirmed?: boolean | undefined, only_confirmed?: boolean | undefined, min_timestamp?: number | undefined, max_timestamp?: number | undefined, order_by?: string | undefined, fingerprint?: string | undefined, limit?: number | undefined};

export type GetApiV1ContractsAddressEventsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1ContractsAddressEventsResponse = z.object({data: z.array(z.object({block_number: z.number().int().optional(), block_timestamp: z.number().int().optional(), caller_contract_address: z.string().optional(), contract_address: z.string().optional(), event_index: z.number().int().optional(), event_name: z.string().optional(), event: z.string().optional(), transaction_id: z.string().optional(), result: z.object({}).optional(), result_type: z.object({}).optional(), _unconfirmed: z.boolean().optional()})).optional(), success: z.boolean().optional(), meta: z.object({page_size: z.number().int().optional(), at: z.number().int().optional(), fingerprint: z.string().optional(), links: z.object({next: z.string().optional()}).optional()}).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 events by contract address
 * 
 * GET /v1/contracts/{address}/events
 */
export const getApiV1ContractsAddressEvents = async (args: GetApiV1ContractsAddressEventsArgs, options?: GetApiV1ContractsAddressEventsOptions) => {
const {baseUrl = "https://api.shasta.trongrid.io", fetch: fetchFn = fetch} = options ?? {}

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

if (args.event_name != null) query.append("event_name", String(args.event_name))
if (args.block_number != null) query.append("block_number", String(args.block_number))
if (args.only_unconfirmed != null) query.append("only_unconfirmed", String(args.only_unconfirmed))
if (args.only_confirmed != null) query.append("only_confirmed", String(args.only_confirmed))
if (args.min_timestamp != null) query.append("min_timestamp", String(args.min_timestamp))
if (args.max_timestamp != null) query.append("max_timestamp", String(args.max_timestamp))
if (args.order_by != null) query.append("order_by", String(args.order_by))
if (args.fingerprint != null) query.append("fingerprint", String(args.fingerprint))
if (args.limit != null) query.append("limit", String(args.limit))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/contracts/${encodeURIComponent(String(args.address))}/events${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(getApiV1ContractsAddressEventsResponse, await res.json())
};