import {z} from 'zod'

export type ConnectorInstanceId = string;

export type ResourceDescriptorId = string;

export type DataFlowRole = 'SOURCE' | 'DESTINATION';

export type AccessProtocol = 'HTTP' | 'HTTPS' | 'JDBC' | 'ODBC' | 'SFTP' | 'FILE' | 'S3' | 'AZURE_BLOB' | 'GCS' | 'KAFKA' | 'AMQP' | 'MQTT' | 'OIDC' | 'DIDCOMM' | 'VAULT' | 'INTERNAL' | 'CUSTOM';

export type StringMap = {[key: string]: string};

export type AttachConnectorResourceRequest = {resourceDescriptorId: ResourceDescriptorId, role: DataFlowRole, externalResourceName?: string | undefined, accessProtocol?: AccessProtocol | undefined, endpointId?: string | undefined, metadata?: StringMap | undefined};

export type CreateApiConnectorsConnectorInstanceIdResourcesArgs = {connectorInstanceId: ConnectorInstanceId, body: AttachConnectorResourceRequest};

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

export const resourceDescriptorId = z.string();

export const dataFlowRole = z.enum(["SOURCE", "DESTINATION"]);

export const accessProtocol = z.enum(["HTTP", "HTTPS", "JDBC", "ODBC", "SFTP", "FILE", "S3", "AZURE_BLOB", "GCS", "KAFKA", "AMQP", "MQTT", "OIDC", "DIDCOMM", "VAULT", "INTERNAL", "CUSTOM"]);

export const stringMap = z.record(z.string(), z.string());

export const connectorResourceId = z.string();

export const connectorInstanceId = z.string();

export const connectorResource = z.object({resourceDescriptorId: resourceDescriptorId, role: dataFlowRole, externalResourceName: z.string().optional(), accessProtocol: accessProtocol.optional(), endpointId: z.string().optional(), metadata: stringMap.optional(), connectorResourceId: connectorResourceId, connectorInstanceId: connectorInstanceId});

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
};

/**
 * Attach a resource descriptor to a connector
 * 
 * POST /connectors/{connectorInstanceId}/resources
 */
export const createApiConnectorsConnectorInstanceIdResources = async (args: CreateApiConnectorsConnectorInstanceIdResourcesArgs, options?: CreateApiConnectorsConnectorInstanceIdResourcesOptions) => {
const {baseUrl = "https://api.example.com/api/connector/v1", fetch: fetchFn = fetch, bearer} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/connectors/${encodeURIComponent(String(args.connectorInstanceId))}/resources${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(connectorResource, await res.json())
};