import {z} from 'zod'

export type GetApiSourcesConnectorsArgs = {connector_code?: (string | null) | undefined};

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

export const sourceConnectorCatalogEntry = z.object({connector: z.string(), display_name: z.string(), config: z.array(z.record(z.string(), z.unknown())), metrics: z.array(z.record(z.string(), z.unknown())), schema_levels: z.array(z.string()), serialisation: z.string().nullable().optional(), debezium_connector_name: z.string().nullable().optional(), status: z.string().nullable().optional(), status_notice: z.record(z.string(), z.unknown()).nullable().optional(), streamkap_comment: z.string().nullable().optional(), api_source: z.boolean().nullable().optional(), available: z.boolean().nullable().optional(), unavailable_reason: z.string().nullable().optional()});

export const sourceConnectorCatalog = z.record(z.string(), z.array(sourceConnectorCatalogEntry));

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
};

/**
 * Get Sources Connectors
 * 
 * GET /sources/connectors
 */
export const getApiSourcesConnectors = async (args: GetApiSourcesConnectorsArgs, options?: GetApiSourcesConnectorsOptions) => {
const {baseUrl = "https://api.streamkap.com", fetch: fetchFn = fetch, FronteggHTTPAuthentication} = options ?? {}

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

if (args.connector_code != null) query.append("connector_code", String(args.connector_code))
if (FronteggHTTPAuthentication !== undefined) headers.set('authorization', `Bearer ${FronteggHTTPAuthentication}`)

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