import {z} from 'zod'

export type GetApiV2UsersArgs = {'Client-Agent'?: string | undefined, page?: number | undefined, sort?: string | undefined, 'X-Fields'?: unknown | undefined};

export type GetApiV2UsersOptions = {baseUrl: string, fetch?: typeof fetch | undefined};

export const userKudosDetails = z.object({accumulated: z.number().optional(), gifted: z.number().optional(), donated: z.number().optional(), admin: z.number().optional(), received: z.number().optional(), recurring: z.number().optional(), awarded: z.number().optional()});

export const monthlyKudos = z.object({amount: z.number().int().optional(), last_received: z.string().optional()});

export const usageDetails = z.object({megapixelsteps: z.number().optional(), requests: z.number().int().optional()});

export const contributionsDetails = z.object({megapixelsteps: z.number().optional(), fulfillments: z.number().int().optional()});

export const userThingRecords = z.object({megapixelsteps: z.number().optional(), tokens: z.number().int().optional()});

export const userAmountRecords = z.object({image: z.number().int().optional(), text: z.number().int().optional(), interrogation: z.number().int().optional()});

export const userRecords = z.object({usage: userThingRecords.optional(), contribution: userThingRecords.optional(), fulfillment: userAmountRecords.optional(), request: userAmountRecords.optional()});

export const userDetails = z.object({username: z.string().optional(), id: z.number().int().optional(), kudos: z.number().optional(), evaluating_kudos: z.number().optional(), concurrency: z.number().int().optional(), worker_invited: z.number().int().optional(), moderator: z.boolean().optional(), kudos_details: userKudosDetails.optional(), worker_count: z.number().int().optional(), worker_ids: z.array(z.string()).optional(), sharedkey_ids: z.array(z.string()).optional(), monthly_kudos: monthlyKudos.optional(), trusted: z.boolean().optional(), flagged: z.boolean().optional(), vpn: z.boolean().optional(), service: z.boolean().optional(), education: z.boolean().optional(), special: z.boolean().optional(), suspicious: z.number().int().optional(), pseudonymous: z.boolean().optional(), contact: z.string().optional(), admin_comment: z.string().optional(), account_age: z.number().int().optional(), usage: usageDetails.optional(), contributions: contributionsDetails.optional(), records: userRecords.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
};

/**
 * A List with the details and statistic of all registered users
 * 
 * GET /v2/users
 */
export const getApiV2Users = async (args: GetApiV2UsersArgs, options: GetApiV2UsersOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args['Client-Agent'] != null) headers.set("Client-Agent", String(args['Client-Agent']))
if (args.page != null) query.append("page", String(args.page))
if (args.sort != null) query.append("sort", String(args.sort))
if (args['X-Fields'] != null) headers.set("X-Fields", String(args['X-Fields']))

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