import {z} from 'zod'

export type GetApiV1HelpcenterCollectionsArgs = {desk: string, language?: string | undefined};

export type GetApiV1HelpcenterCollectionsOptions = {baseUrl: string, Bearer?: string | undefined, fetch?: typeof fetch | undefined};

export const collectionArticle = z.object({article: z.number().int(), order: z.number().int().nullable().optional(), section: z.number().int(), title: z.string().nullable().optional(), spoiler: z.string().nullable().optional()});

export const helpdeskCollection: z.ZodType<HelpdeskCollection> = z.object({_id: z.number().int().nullable().optional(), icon: z.string().nullable().optional(), title: z.string(), spoiler: z.string().nullable().optional(), language: z.string().nullable().optional(), sections: z.array(z.string()).nullable().optional(), order: z.number().int().nullable().optional(), slug: z.string().nullable().optional(), desk: z.string(), departmentId: z.number().int().nullable().optional(), previous: z.lazy(() => helpdeskCollection.optional()), articles: z.array(collectionArticle).nullable().optional(), createdAt: z.unknown(), updatedAt: z.unknown()});

export const helpdeskCollectionQueryResult = z.object({totalItems: z.number().int().optional(), items: z.array(helpdeskCollection).nullable().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 /v1/helpcenter/collections
 * 
 * Also accepts auth: API Key
 */
export const getApiV1HelpcenterCollections = async (args: GetApiV1HelpcenterCollectionsArgs, options: GetApiV1HelpcenterCollectionsOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (args.desk != null) query.append("desk", String(args.desk))
if (args.language != null) query.append("language", String(args.language))
if (Bearer !== undefined) headers.set('authorization', `Bearer ${Bearer}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v1/helpcenter/collections${query.size > 0 ? `?${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(helpdeskCollectionQueryResult, await res.json())
};