import {z} from 'zod'

export type GetApiV6EventStreamsArgs = {include_archived?: boolean | undefined, limit?: number | undefined, offset?: number | undefined};

export type GetApiV6EventStreamsOptions = {baseUrl?: string | undefined, HEADER?: string | undefined, fetch?: typeof fetch | undefined};

export const instant = z.string();

export const descriptionInEventStreamResponse = z.union([z.string(), z.string(), z.string()]);

export const eventStreamFilterResponse = z.discriminatedUnion("type", [z.object({id: z.string(), type: z.literal("APPLICATION_TYPE"), app_types: z.array(z.string())}), z.object({id: z.string(), type: z.literal("EVENT_NAME"), event_names: z.array(z.string())}), z.object({id: z.string(), type: z.literal("EVENT_TYPE"), event_types: z.array(z.enum(["ADD_SHAREABLE", "ASSET", "AUDIENCE_MEMBERSHIP_CREATED", "AUDIENCE_MEMBERSHIP_REMOVED", "AUDIENCE_MEMBERSHIP_UPDATED", "DATA_INTELLIGENCE", "DISPLACED", "DISPLACED_BY", "FORWARDED", "IDENTIFIED", "INCENTIVIZED", "INPUT", "INTERNAL", "LEGACY_CONSUMER_EVENT", "MESSAGE", "MESSAGE_NOT_DELIVERED", "REDEEMED", "REFERRED", "REFERRED_BY", "REWARD", "SEND_REWARD", "SHARE", "SHAREABLE", "STEP"]))}), z.object({id: z.string(), type: z.literal("PERSON_ID"), person_ids: z.array(z.string())}), z.object({id: z.string(), type: z.literal("SANDBOX"), containers: z.array(z.string()), sandboxes: z.array(z.string())})]);

export const nameInEventStreamResponse = z.union([z.string(), z.string()]);

export const eventStreamResponse = z.object({component_ids: z.array(z.string()), created_date: instant, description: descriptionInEventStreamResponse, filters: z.array(eventStreamFilterResponse), id: z.string(), name: nameInEventStreamResponse, stop_at: instant, tags: z.array(z.string()), updated_date: instant});

export const getApiV6EventStreamsResponse = z.array(eventStreamResponse);

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
};

/**
 * List event streams
 * 
 * GET /v6/event-streams
 * 
 * Also accepts auth: QUERY, COOKIE
 */
export const getApiV6EventStreams = async (args: GetApiV6EventStreamsArgs, options?: GetApiV6EventStreamsOptions) => {
const {baseUrl = "https://api.extole.io", fetch: fetchFn = fetch, HEADER} = options ?? {}

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

if (args.include_archived != null) query.append("include_archived", String(args.include_archived))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.offset != null) query.append("offset", String(args.offset))
if (HEADER !== undefined) headers.set("Authorization", HEADER)

const url = `${baseUrl.replace(/\/+$/, '')}/v6/event-streams${query.size > 0 ? `?${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(getApiV6EventStreamsResponse, await res.json())
};