import {z} from 'zod'

export type GetApiAgentsCallsBatchesBatchIdArgs = {'Cartesia-Version': '2026-03-01', batch_id: string};

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

export const agentCallBatchStatus = z.enum(["pending", "in_progress", "completed", "failed", "cancelled"]);

export const agentCallBatchRecipientStatus = z.string();

export const endReason = z.enum(["agent_hangup", "client_hangup", "api_cancelled", "max_duration", "inactivity", "client_disconnected", "dial_busy", "dial_failed", "dial_no_answer", "error"]);

export const agentCallBatchRecipient = z.object({id: z.string(), to_number: z.string(), status: agentCallBatchRecipientStatus, agent_call_id: z.string().optional(), end_reason: endReason.optional(), error_message: z.string().optional(), metadata: z.record(z.string(), z.unknown()).nullable().optional(), created_at: z.string()});

export const agentCallBatch = z.object({id: z.string(), name: z.string(), agent_id: z.string(), from_number_id: z.string(), region: z.enum(["US", "EU", "APAC"]), target_concurrency_limit: z.number().int(), status: agentCallBatchStatus, total_calls_scheduled: z.number().int(), total_calls_dispatched: z.number().int(), total_calls_finished: z.number().int(), retry_count: z.number().int(), created_at: z.string(), last_updated_at: z.string(), scheduled_at: z.string().optional(), admitted_at: z.string().optional(), recipients: z.array(agentCallBatchRecipient).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 Call Batch
 * 
 * GET /agents/calls/batches/{batch_id}
 */
export const getApiAgentsCallsBatchesBatchId = async (args: GetApiAgentsCallsBatchesBatchIdArgs, options?: GetApiAgentsCallsBatchesBatchIdOptions) => {
const {baseUrl = "https://api.cartesia.ai", fetch: fetchFn = fetch, APIKeyAuth} = options ?? {}

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

if (args['Cartesia-Version'] != null) headers.set("Cartesia-Version", String(args['Cartesia-Version']))
if (APIKeyAuth !== undefined) headers.set('authorization', `Bearer ${APIKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/agents/calls/batches/${encodeURIComponent(String(args.batch_id))}${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(agentCallBatch, await res.json())
};