import {z} from 'zod'

export type GetApiV2DocumentsDocumentIdTransitionRulesRuleIdArgs = {authorization: string, document_id: string, rule_id: string};

export type GetApiV2DocumentsDocumentIdTransitionRulesRuleIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const v2TransitionRule = z.object({action: z.string().optional(), attribute_labels: z.array(z.string()).optional(), field: z.string().optional(), roles: z.array(z.string()).optional(), rule_id: z.string().optional(), target_attribute_label: z.array(z.number().int()).optional(), wasm: z.string().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
};

/**
 * Returns the rule associated with the ruleID in the document.
 * 
 * GET /v2/documents/{document_id}/transition_rules/{rule_id}
 */
export const getApiV2DocumentsDocumentIdTransitionRulesRuleId = async (args: GetApiV2DocumentsDocumentIdTransitionRulesRuleIdArgs, options?: GetApiV2DocumentsDocumentIdTransitionRulesRuleIdOptions) => {
const {baseUrl = "http://localhost:8082", fetch: fetchFn = fetch} = options ?? {}

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

if (args.authorization != null) headers.set("authorization", String(args.authorization))

const url = `${baseUrl.replace(/\/+$/, '')}/v2/documents/${encodeURIComponent(String(args.document_id))}/transition_rules/${encodeURIComponent(String(args.rule_id))}${query.size > 0 ? `?${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(v2TransitionRule, await res.json())
};