import {z} from 'zod'

export type SortOrder = string;

export type OauthClientListMetadata = {filter?: string | undefined, kind?: string | undefined, sort_order?: SortOrder | undefined, offset?: number | undefined, length?: number | undefined, sort_attribute?: string | undefined};

export type CreateApiOauthClientListArgs = {body: OauthClientListMetadata};

export type CreateApiOauthClientListOptions = {baseUrl: string, basicAuth?: {username: string, password: string} | undefined, fetch?: typeof fetch | undefined};

export const oauthClientResponse = z.object({redirect_uris: z.array(z.string()), client_id: z.string(), client_secret: z.string(), client_name: z.string().max(64), client_description: z.string().max(1000), default_scopes: z.array(z.string())});

export const sortOrder = z.string();

export const oauthClientListMetadata = z.object({filter: z.string().optional(), kind: z.string().optional(), sort_order: sortOrder.optional(), offset: z.number().int().gte(0).optional(), length: z.number().int().gte(1).optional(), sort_attribute: z.string().optional()});

export const oauthClientList = z.object({entities: z.array(oauthClientResponse), metadata: oauthClientListMetadata});

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
};

/**
 * Retrieves all oauth client
 * 
 * POST /oauth/client/list
 */
export const createApiOauthClientList = async (args: CreateApiOauthClientListArgs, options: CreateApiOauthClientListOptions) => {
const {baseUrl, fetch: fetchFn = fetch, basicAuth} = options ?? {}

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

if (basicAuth !== undefined) headers.set('authorization', `Basic ${btoa(`${basicAuth.username}:${basicAuth.password}`)}`)

const url = `${baseUrl.replace(/\/+$/, '')}/oauth/client/list${query.size > 0 ? `?${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(oauthClientList, await res.json())
};