import {z} from 'zod'

export type GetApiRecordsV1ContextIdArgs = {id: string};

export type GetApiRecordsV1ContextIdOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const scopeContentViewModel = z.object({PlaceNames: z.array(z.string()).optional(), Description: z.string().optional(), Ephemera: z.string().optional(), Schema: z.string().optional()});

export const xReferenceViewModel = z.object({XReferenceId: z.string().optional(), XReferenceCode: z.string().optional(), XReferenceName: z.string().optional(), XReferenceType: z.string().optional(), XReferenceURL: z.string().optional(), XReferenceDescription: z.string().optional(), XReferenceSortWord: z.string().optional()});

export const informationAssetIdentityViewModel = z.object({AccessConditions: z.string().optional(), CatalogueId: z.number().int().optional(), CitableReference: z.string().optional(), ClosureCode: z.string().optional(), ClosureStatus: z.string().optional(), ClosureType: z.string().optional(), CoveringDates: z.string().optional(), CoveringFromDate: z.number().int().optional(), CoveringToDate: z.number().int().optional(), ScopeContent: scopeContentViewModel.optional(), Digitised: z.boolean().optional(), HeldBy: z.array(xReferenceViewModel).optional(), Id: z.string().optional(), IsParent: z.boolean().optional(), CatalogueLevel: z.number().int().optional(), ParentId: z.string().optional(), RecordOpeningDate: z.string().optional(), ReferencePart: z.string().optional(), ReferenceParentId: z.string().optional(), SortKey: z.string().optional(), Source: z.string().optional(), Title: z.string().optional()});

export const getApiRecordsV1ContextIdResponse = z.array(informationAssetIdentityViewModel);

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
};

/**
 * Get context of the record
 * 
 * GET /records/v1/context/{id}
 */
export const getApiRecordsV1ContextId = async (args: GetApiRecordsV1ContextIdArgs, options?: GetApiRecordsV1ContextIdOptions) => {
const {baseUrl = "https://discovery.nationalarchives.gov.uk/API", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/records/v1/context/${encodeURIComponent(String(args.id))}${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(getApiRecordsV1ContextIdResponse, await res.json())
};