import {z} from 'zod'

export type GetApiChangelogAdhocArgs = {filter?: string | undefined};

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

export const changeEntry = z.object({object_type: z.enum(["org", "user", "zone", "proxy", "domain", "route", "shared_rules", "cluster"]).optional(), change_type: z.enum(["addition", "removal"]).optional(), object_key: z.string().optional(), zone_key: z.string().optional(), path: z.string().optional(), value: z.string().optional()});

export const changeDescription = z.object({at: z.number().optional(), txn: z.string().optional(), actor_key: z.string().optional(), comment: z.string().optional(), diffs: z.array(changeEntry).optional()});

export const pageDetails = z.object({total_entries: z.number().int().optional(), has_more: z.boolean().optional(), direction: z.enum(["before", "after"]).optional(), ref_id: z.string().optional()});

export const paginationDetails = z.object({pagination: pageDetails.optional()});

export const paginatedChangeDescriptions = z.object({result: z.array(changeDescription).optional(), details: paginationDetails.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
};

/**
 * Allows an arbitrary filter to be specified and applied to the org\'s change log.
 * 
 * GET /changelog/adhoc
 */
export const getApiChangelogAdhoc = async (args: GetApiChangelogAdhocArgs, options?: GetApiChangelogAdhocOptions) => {
const {baseUrl = "https://api.turbinelabs.io/v1.0", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (args.filter != null) query.append("filter", String(args.filter))
if (apiKey !== undefined) headers.set("Authorization", apiKey)

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