import {z} from 'zod'

export type ApiNotificationResourceType = 'dashboardComments' | 'aiReview';

export type GetApiApiV1NotificationsArgs = {type: ApiNotificationResourceType};

export type GetApiApiV1NotificationsOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const notificationDashboardTileCommentMetadata = z.object({dashboardUuid: z.string(), dashboardName: z.string(), dashboardTileUuid: z.string(), dashboardTileName: z.string()}).and(z.record(z.string(), z.unknown()));

export const apiNotificationResourceTypeDashboardComments = z.literal("dashboardComments");

export const notificationDashboardComment = z.object({url: z.string().optional(), message: z.string().optional(), resourceUuid: z.string().optional(), viewed: z.boolean(), createdAt: z.string(), notificationId: z.string(), metadata: notificationDashboardTileCommentMetadata.optional(), resourceType: apiNotificationResourceTypeDashboardComments});

export const aiReviewNotificationEvent = z.enum(["needs_review", "assigned"]);

export const apiNotificationResourceTypeAiReview = z.literal("aiReview");

export const notificationAiReview = z.object({url: z.string().optional(), message: z.string().optional(), resourceUuid: z.string().optional(), viewed: z.boolean(), createdAt: z.string(), notificationId: z.string(), metadata: z.object({searchParams: z.string(), count: z.number(), projectUuid: z.string(), rootCause: z.string(), title: z.string(), event: aiReviewNotificationEvent, fingerprint: z.string()}), resourceType: apiNotificationResourceTypeAiReview});

export const notification = z.union([notificationDashboardComment, notificationAiReview]);

export const apiNotificationsResults = z.array(notification);

export const apiGetNotifications = z.object({results: apiNotificationsResults, status: z.literal("ok")});

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 notifications
 * 
 * GET /api/v1/notifications
 */
export const getApiApiV1Notifications = async (args: GetApiApiV1NotificationsArgs, options: GetApiApiV1NotificationsOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.type != null) query.append("type", String(args.type))

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