import {z} from 'zod'

export type GetApiSessionsDirectlyArgs = {extension_number: string, password: string, domain: string, caller: string, caller_display_name?: string | undefined, callee: string, send_sdp: boolean, trunk?: string | undefined, rewrite_from?: string | undefined, rewrite_pai?: string | undefined, rewrite_rpi?: string | undefined, user_data?: string | undefined, target?: string | undefined, target_instance_id?: string | undefined, target_extension_number?: string | undefined, additional_header?: ('ANSWER_MODE' | 'CALL_INFO' | 'ALERT_INFO_AUTO_ANSWER_DELAY0' | 'ALERT_INFO_AUTO_ANSWER' | 'ALERT_INFO_INTERCOM') | undefined, header_direction?: ('CALLER' | 'CALLEE' | 'ALL') | undefined};

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

export const getApiSessionsDirectlyResponse = z.object({id: z.string().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
};

/**
 * Create call session directly
 * 
 * GET /sessions/directly
 */
export const getApiSessionsDirectly = async (args: GetApiSessionsDirectlyArgs, options?: GetApiSessionsDirectlyOptions) => {
const {baseUrl = "https://HOSTNAME:8887/api", fetch: fetchFn = fetch} = options ?? {}

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

if (args.extension_number != null) query.append("extension_number", String(args.extension_number))
if (args.password != null) query.append("password", String(args.password))
if (args.domain != null) query.append("domain", String(args.domain))
if (args.caller != null) query.append("caller", String(args.caller))
if (args.caller_display_name != null) query.append("caller_display_name", String(args.caller_display_name))
if (args.callee != null) query.append("callee", String(args.callee))
if (args.send_sdp != null) query.append("send_sdp", String(args.send_sdp))
if (args.trunk != null) query.append("trunk", String(args.trunk))
if (args.rewrite_from != null) query.append("rewrite_from", String(args.rewrite_from))
if (args.rewrite_pai != null) query.append("rewrite_pai", String(args.rewrite_pai))
if (args.rewrite_rpi != null) query.append("rewrite_rpi", String(args.rewrite_rpi))
if (args.user_data != null) query.append("user_data", String(args.user_data))
if (args.target != null) query.append("target", String(args.target))
if (args.target_instance_id != null) query.append("target_instance_id", String(args.target_instance_id))
if (args.target_extension_number != null) query.append("target_extension_number", String(args.target_extension_number))
if (args.additional_header != null) query.append("additional_header", String(args.additional_header))
if (args.header_direction != null) query.append("header_direction", String(args.header_direction))

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