import {z} from 'zod'

export type V3CheckRequest = {object_id: string, object_type: string, relation: string, subject_id: string, subject_type: string, trace?: boolean | undefined};

export type V3ChecksRequest = {checks?: Array<V3CheckRequest> | undefined, default?: V3CheckRequest | undefined};

export type CreateApiApiV3DirectoryChecksArgs = {body: V3ChecksRequest};

export type CreateApiApiV3DirectoryChecksOptions = {baseUrl: string, DirectoryAPIKey?: string | undefined, TenantID?: string | undefined, fetch?: typeof fetch | undefined};

export const v3CheckResponse = z.object({check: z.boolean().optional(), context: z.object({}).optional(), trace: z.array(z.string()).optional()});

export const v3ChecksResponse = z.object({checks: z.array(v3CheckResponse).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
};

/**
 * Checks
 * 
 * POST /api/v3/directory/checks
 */
export const createApiApiV3DirectoryChecks = async (args: CreateApiApiV3DirectoryChecksArgs, options: CreateApiApiV3DirectoryChecksOptions) => {
const {baseUrl, fetch: fetchFn = fetch, DirectoryAPIKey, TenantID} = options ?? {}

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

if (DirectoryAPIKey !== undefined) headers.set("authorization", DirectoryAPIKey)
if (TenantID !== undefined) headers.set("aserto-tenant-id", TenantID)

const url = `${baseUrl.replace(/\/+$/, '')}/api/v3/directory/checks${query.size > 0 ? `?${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(v3ChecksResponse, await res.json())
};