import {z} from 'zod'

export type FilterItem = {column?: string | undefined, type?: string | undefined, value?: string | undefined};

export type Filters = Array<FilterItem>;

export type CreateApiDashboardArgs = {columns: string, hideNoneField?: boolean | undefined, body: Filters};

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

export const createApiDashboardResponse = z.object({stats: z.object({domaincount: z.number().optional(), subdomaincount: z.number().optional(), total: z.number().optional(), hostcount: z.number().optional(), ipcount: z.number().optional()}).optional(), aggregations: z.array(z.object({column: z.string().optional(), interval: z.string().optional(), data: z.array(z.object({name: z.string(), value: z.number()})).optional()})).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
};

/**
 * Access aggregate data
 * 
 * POST /dashboard
 */
export const createApiDashboard = async (args: CreateApiDashboardArgs, options?: CreateApiDashboardOptions) => {
const {baseUrl = "https://asm.cloud.tenable.com/api/1.0", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.columns != null) query.append("columns", String(args.columns))
if (args.hideNoneField != null) query.append("hideNoneField", String(args.hideNoneField))
if (ApiKeyAuth !== undefined) headers.set("Authorization", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/dashboard${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiDashboardResponse, await res.json())
};