import {z} from 'zod'

export type CreateApiV1RuleBooksRuleBookIdDraftArgs = {rule_book_id: string};

export type CreateApiV1RuleBooksRuleBookIdDraftOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const actorType = z.enum(["person", "agent", "integration"]);

export const actor = z.object({type: actorType, id: z.string(), display: z.string()});

export const actorAt = z.object({actor: actor, at: z.string()});

export const draftSummary = z.object({id: z.string(), number: z.number().int(), etag: z.string(), opened: actorAt, parent_version_number: z.number().int().nullable()});

export const draftOpenResult = z.object({draft: draftSummary});

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
};

/**
 * Open Rule Book Draft
 * 
 * POST /v1/rule-books/{rule_book_id}/draft
 */
export const createApiV1RuleBooksRuleBookIdDraft = async (args: CreateApiV1RuleBooksRuleBookIdDraftArgs, options?: CreateApiV1RuleBooksRuleBookIdDraftOptions) => {
const {baseUrl = "https://api.sandbox.usenash.com", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/rule-books/${encodeURIComponent(String(args.rule_book_id))}/draft${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers})

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

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