import {z} from 'zod'

export type GetApiOauthGrantableScopesArgs = {organization_id: string, scopes: string, project_id?: (string | null) | undefined, logfire_token?: (string | null) | undefined};

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

export const grantableScopesResponse = z.object({grantable_scopes: z.array(z.string())});

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
};

/**
 * Oauth Grantable Scopes
 * 
 * GET /oauth/grantable-scopes
 */
export const getApiOauthGrantableScopes = async (args: GetApiOauthGrantableScopesArgs, options: GetApiOauthGrantableScopesOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
const cookies: string[] = []
headers.set('accept', "application/json")

if (args.organization_id != null) query.append("organization_id", String(args.organization_id))
if (args.scopes != null) query.append("scopes", String(args.scopes))
if (args.project_id != null) query.append("project_id", String(args.project_id))
if (args.logfire_token != null) cookies.push("logfire_token=" + encodeURIComponent(String(args.logfire_token)))
if (cookies.length > 0) headers.set('cookie', cookies.join('; '))

const url = `${baseUrl.replace(/\/+$/, '')}/oauth/grantable-scopes${query.size > 0 ? `?${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(grantableScopesResponse, await res.json())
};