import {z} from 'zod'

export type GetApiV1LiveCallsArgs = {agent_number?: string | undefined, extension?: string | undefined, call_id?: string | undefined, did_number?: string | undefined, Authorization: string};

export type GetApiV1LiveCallsOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const getApiV1LiveCallsResponse = z.object({});

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
};

/**
 * Fetch details of active calls
 * 
 * GET /v1/live_calls
 */
export const getApiV1LiveCalls = async (args: GetApiV1LiveCallsArgs, options?: GetApiV1LiveCallsOptions) => {
const {baseUrl = "https://api-smartflo.tatateleservices.com", fetch: fetchFn = fetch} = options ?? {}

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

if (args.agent_number != null) query.append("agent_number", String(args.agent_number))
if (args.extension != null) query.append("extension", String(args.extension))
if (args.call_id != null) query.append("call_id", String(args.call_id))
if (args.did_number != null) query.append("did_number", String(args.did_number))
if (args.Authorization != null) headers.set("Authorization", String(args.Authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/v1/live_calls${query.size > 0 ? `?${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(getApiV1LiveCallsResponse, await res.json())
};