import {z} from 'zod'

export type ValidateConnectionRequest = {config: {[key: string]: unknown}, source_id?: (string | null) | undefined};

export type CreateApiSourcesConnectorsCodeValidateArgs = {code: string, body: ValidateConnectionRequest};

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

export const resourceAccess = z.object({name: z.string(), ok: z.boolean(), message: z.string().nullable().optional(), warning: z.string().nullable().optional(), needs: z.string().nullable().optional(), fix: z.string().nullable().optional(), checked: z.boolean().optional()});

export const connectionValidation = z.object({valid: z.boolean(), credential_ok: z.boolean(), message: z.string().nullable().optional(), field: z.string().nullable().optional(), account_id: z.string().nullable().optional(), account_in_use: z.boolean().optional(), existing_source_id: z.string().nullable().optional(), resources: z.array(resourceAccess).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 Source Connection
 * 
 * POST /sources/connectors/{code}/validate
 */
export const createApiSourcesConnectorsCodeValidate = async (args: CreateApiSourcesConnectorsCodeValidateArgs, options?: CreateApiSourcesConnectorsCodeValidateOptions) => {
const {baseUrl = "https://api.streamkap.com", fetch: fetchFn = fetch, FronteggHTTPAuthentication} = options ?? {}

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

if (FronteggHTTPAuthentication !== undefined) headers.set('authorization', `Bearer ${FronteggHTTPAuthentication}`)

const url = `${baseUrl.replace(/\/+$/, '')}/sources/connectors/${encodeURIComponent(String(args.code))}/validate${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(connectionValidation, await res.json())
};