import {z} from 'zod'

export type ApiKeyField = string;

export type ApiKeyOnly = {apikey: ApiKeyField};

export type CreateApiSiebatchdV1ValidateArgs = {body: ApiKeyOnly};

export type CreateApiSiebatchdV1ValidateOptions = {baseUrl?: string | undefined, fetch?: typeof fetch | undefined};

export const channelDescription = z.object({description: z.string().optional()});

export const createApiSiebatchdV1ValidateResponse = z.object({profile: z.object({username: z.string().optional(), apikey: z.string().optional(), over_quota_action: z.string().optional(), channels: z.object({}).optional(), not_really: z.boolean().optional(), siebatch: z.record(z.string(), channelDescription).optional(), anomalies: z.object({}).optional(), state_quota: z.string().optional()}).optional(), _status: z.literal("OK").optional(), _message: z.string().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
};

/**
 * Validate API Key
 * 
 * POST /siebatchd/v1/validate
 */
export const createApiSiebatchdV1Validate = async (args: CreateApiSiebatchdV1ValidateArgs, options?: CreateApiSiebatchdV1ValidateOptions) => {
const {baseUrl = "https://batch.sie-remote.net", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/siebatchd/v1/validate${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(createApiSiebatchdV1ValidateResponse, await res.json())
};