import {z} from 'zod'

export type GetApiCatalogHierarchiesHierarchyIdArgs = {'accept-language'?: string | undefined, 'EP-Channel'?: string | undefined, 'EP-Context-Tag'?: string | undefined, hierarchy_id: string};

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

export const shopperAttributes = z.record(z.string(), z.string());

export const hierarchyAttributes = z.object({created_at: z.string().optional(), published_at: z.string().nullable().optional(), description: z.string().optional(), name: z.string().optional(), slug: z.string().optional(), shopper_attributes: shopperAttributes.optional(), updated_at: z.string().optional()});

export const relatedLink = z.object({related: z.string()});

export const hierarchyRelationships = z.object({products: z.object({links: relatedLink.optional()}).optional(), children: z.object({links: relatedLink}).optional(), nodes: z.object({links: relatedLink}).optional()});

export const hierarchyMeta = z.object({language: z.string().optional(), breadcrumbs: z.array(z.object({id: z.string().optional(), name: z.string().optional(), slug: z.string().optional()})).optional(), has_children: z.boolean().nullable().optional()});

export const hierarchy = z.object({attributes: hierarchyAttributes.optional(), id: z.string().optional(), relationships: hierarchyRelationships.optional(), type: z.string().optional(), meta: hierarchyMeta.optional()});

export const links = z.object({self: z.string().nullable().optional(), first: z.string().nullable().optional(), last: z.string().nullable().optional(), prev: z.string().nullable().optional(), next: z.string().nullable().optional()});

export const hierarchyData = z.object({data: hierarchy.optional(), links: links.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
};

/**
 * Get a Hierarchy
 * 
 * GET /catalog/hierarchies/{hierarchy_id}
 */
export const getApiCatalogHierarchiesHierarchyId = async (args: GetApiCatalogHierarchiesHierarchyIdArgs, options?: GetApiCatalogHierarchiesHierarchyIdOptions) => {
const {baseUrl = "https://euwest.api.elasticpath.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

if (args['accept-language'] != null) headers.set("accept-language", String(args['accept-language']))
if (args['EP-Channel'] != null) headers.set("EP-Channel", String(args['EP-Channel']))
if (args['EP-Context-Tag'] != null) headers.set("EP-Context-Tag", String(args['EP-Context-Tag']))
if (bearerAuth !== undefined) headers.set('authorization', `Bearer ${bearerAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/catalog/hierarchies/${encodeURIComponent(String(args.hierarchy_id))}${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(hierarchyData, await res.json())
};