import {z} from 'zod'

export type GetApiV2IndexArgs = {offset?: number | undefined, limit?: number | undefined, document_type?: ('resumes' | 'job_descriptions') | undefined, name?: string | undefined};

export type GetApiV2IndexOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

export const propertiesId = z.number().int().gte(1);

export const userPropertiesName = z.string();

export const email = z.string();

export const propertiesAvatar = z.string().nullable();

export const indexUser = z.object({id: propertiesId, name: userPropertiesName, email: email, avatar: propertiesAvatar});

export const index = z.object({name: z.string(), docType: z.enum(["resumes", "job_descriptions"]), user: indexUser}).and(z.record(z.string(), z.unknown()));

export const getApiV2IndexResponse = z.object({count: z.number().int().gte(0), next: z.string().nullable().optional(), previous: z.string().nullable().optional(), results: z.array(index)});

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 list of all indexes
 * 
 * GET /v2/index
 */
export const getApiV2Index = async (args: GetApiV2IndexArgs, options?: GetApiV2IndexOptions) => {
const {baseUrl = "https://api.affinda.com", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

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

if (args.offset != null) query.append("offset", String(args.offset))
if (args.limit != null) query.append("limit", String(args.limit))
if (args.document_type != null) query.append("document_type", String(args.document_type))
if (args.name != null) query.append("name", String(args.name))
if (ApiKeyAuth !== undefined) headers.set('authorization', `Bearer ${ApiKeyAuth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/index${query.size > 0 ? `?${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(getApiV2IndexResponse, await res.json())
};