import {z} from 'zod'

export type GetApiRoutesArgs = {page?: number | undefined, size?: number | undefined};

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

export const operationBindingId = z.string();

export const transformationId = z.string();

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

export const connectorTrigger = z.object({triggerType: z.enum(["ON_DEMAND", "SCHEDULE", "EVENT", "WEBHOOK", "PIPELINE"]), schedule: z.string().optional(), eventType: z.string().optional(), pipelineRef: z.string().optional(), metadata: stringMap.optional()});

export const routeAtomicity = z.enum(["BEST_EFFORT", "PER_RECORD", "ALL_OR_NOTHING"]);

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 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 materializationMode = z.enum(["NONE", "CACHE", "PERSIST", "MIRROR", "INDEX"]);

export const resourceDescriptorId = z.string();

export const retentionDeleteAction = z.enum(["DELETE", "ANONYMIZE", "PSEUDONYMIZE", "TOMBSTONE", "REVIEW"]);

export const retentionSpec = z.object({purpose: z.string().optional(), legalBasis: z.string().optional(), retentionPeriod: z.string().optional(), deleteAction: retentionDeleteAction.optional(), metadata: stringMap.optional()});

export const materializationPolicy = z.object({mode: materializationMode.optional(), ttlSeconds: z.number().int().gte(0).optional(), storageResourceDescriptorId: resourceDescriptorId.optional(), retention: retentionSpec.optional(), metadata: stringMap.optional()});

export const connectorRouteId = z.string();

export const connectorRoute = z.object({displayName: z.string(), description: z.string().optional(), sourceBindingIds: z.array(operationBindingId), destinationBindingIds: z.array(operationBindingId), transformationId: transformationId.optional(), trigger: connectorTrigger.optional(), atomicity: routeAtomicity.optional(), purpose: z.string().optional(), legalBasis: z.string().optional(), enabled: z.boolean().optional(), egressPolicy: egressPolicy.optional(), materializationPolicy: materializationPolicy, metadata: stringMap.optional(), routeId: connectorRouteId, createdAt: z.string(), updatedAt: z.string(), createdByUserId: z.string().optional(), updatedByUserId: z.string().optional(), deletedAt: z.string().optional()});

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 connectorRoutePage = z.object({data: z.array(connectorRoute), 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 connector routes
 * 
 * GET /routes
 */
export const getApiRoutes = async (args: GetApiRoutesArgs, options?: GetApiRoutesOptions) => {
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.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 = `${baseUrl.replace(/\/+$/, '')}/routes${query.size > 0 ? `?${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(connectorRoutePage, await res.json())
};