import {z} from 'zod'

export type ConnectorType = string;

export type OperationKind = 'READ' | 'WRITE' | 'UPDATE' | 'DELETE' | 'UPSERT' | 'QUERY' | 'SEARCH' | 'IMPORT' | 'EXPORT' | 'INVOKE' | 'DISCOVER' | 'VALIDATE';

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

export type GetApiOperationBindingsArgs = {connectorType?: ConnectorType | undefined, operationKind?: OperationKind | undefined, role?: DataFlowRole | undefined, page?: number | undefined, size?: number | undefined};

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

export const connectorInstanceId = z.string();

export const connectorResourceId = z.string();

export const operationKind = z.enum(["READ", "WRITE", "UPDATE", "DELETE", "UPSERT", "QUERY", "SEARCH", "IMPORT", "EXPORT", "INVOKE", "DISCOVER", "VALIDATE"]);

export const operationTransferMode = z.enum(["SINGLE", "BATCH", "STREAM"]);

export const bindingDirection = z.enum(["INBOUND", "OUTBOUND", "BIDIRECTIONAL"]);

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 resourceDescriptorId = z.string();

export const transformationId = z.string();

export const destinationDeliveryMode = z.enum(["SYNC", "ASYNC", "BATCH", "STREAMING"]);

export const destinationAckMode = z.enum(["NONE", "ACCEPTED", "COMMITTED", "VERIFIED"]);

export const retryPolicy = z.object({maxAttempts: z.number().int().gte(0).optional(), backoffMillis: z.number().int().gte(0).optional(), deadLetterEnabled: z.boolean().optional()});

export const destinationDelivery = z.object({deliveryMode: destinationDeliveryMode.optional(), ackMode: destinationAckMode.optional(), idempotencyKeyPath: z.string().optional(), retryPolicy: retryPolicy.optional()});

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

export const egressPolicy = z.object({allowedHosts: z.array(z.string()).optional(), blockedHosts: z.array(z.string()).optional(), allowedCidrs: z.array(z.string()).optional(), allowedProtocols: z.array(accessProtocol).optional(), allowedPorts: z.array(z.number().int().gte(1).lte(65535)).optional(), blockPrivateNetworks: z.boolean().optional(), pinResolvedAddress: z.boolean().optional(), maxPayloadBytes: z.number().int().gte(0).optional(), requiresTenantBoundary: z.boolean().optional(), metadata: stringMap.optional()});

export const operationBindingId = z.string();

export const operationBinding = z.object({connectorInstanceId: connectorInstanceId, connectorResourceId: connectorResourceId, operationKind: operationKind, transferMode: operationTransferMode.optional(), direction: bindingDirection.optional(), accessProtocol: accessProtocol.optional(), operationName: z.string().optional(), requestDescriptorId: resourceDescriptorId.optional(), responseDescriptorId: resourceDescriptorId.optional(), transformationId: transformationId.optional(), delivery: destinationDelivery.optional(), egressPolicy: egressPolicy.optional(), metadata: stringMap.optional(), bindingId: operationBindingId, createdAt: z.string(), updatedAt: z.string()});

export const page = z.object({limit: z.number().int().gte(0), offset: z.number().int().gte(0), page: z.number().int().gte(0), size: z.number().int().gte(0), total: z.number().int().gte(0), totalPages: z.number().int().gte(0), hasMore: z.boolean()});

export const operationBindingPage = z.object({data: z.array(operationBinding), pagination: page});

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
};

/**
 * List operation bindings
 * 
 * GET /operation/bindings
 */
export const getApiOperationBindings = async (args: GetApiOperationBindingsArgs, options?: GetApiOperationBindingsOptions) => {
const {baseUrl = "https://api.example.com/api/connector/v1", fetch: fetchFn = fetch, bearer} = options ?? {}

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

if (args.connectorType != null) query.append("connectorType", String(args.connectorType))
if (args.operationKind != null) query.append("operationKind", String(args.operationKind))
if (args.role != null) query.append("role", String(args.role))
if (args.page != null) query.append("page", String(args.page))
if (args.size != null) query.append("size", String(args.size))
if (bearer !== undefined) headers.set('authorization', `Bearer ${bearer}`)

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