import {z} from 'zod'

export type ConnectorType = string;

export type ResourceKind = 'OBJECT' | 'TABULAR' | 'DOCUMENT' | 'CLAIM_SET' | 'GRAPH' | 'EVENT_STREAM' | 'FILE' | 'SECRET' | 'CONFIGURATION' | 'CREDENTIAL' | 'PRESENTATION' | 'CUSTOM';

export type GetApiSemanticBindingsArgs = {connectorType?: ConnectorType | undefined, resourceKind?: ResourceKind | undefined, page?: number | undefined, size?: number | undefined};

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

export const connectorInstanceId = z.string();

export const resourceDescriptorId = z.string();

export const fieldDescriptorId = z.string();

export const semanticReference = z.object({referenceType: z.string(), referenceId: z.string(), iri: z.string().optional(), version: z.string().optional()});

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

export const semanticBindingId = z.string();

export const semanticConnectorBinding = z.object({connectorInstanceId: connectorInstanceId.optional(), resourceDescriptorId: resourceDescriptorId, fieldDescriptorId: fieldDescriptorId.optional(), bindingKind: z.string(), semanticReference: semanticReference.optional(), validationMode: z.enum(["NONE", "WARN", "ENFORCE"]).optional(), metadata: stringMap.optional(), semanticBindingId: semanticBindingId, 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 semanticConnectorBindingPage = z.object({data: z.array(semanticConnectorBinding), 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 semantic connector bindings
 * 
 * GET /semantic/bindings
 */
export const getApiSemanticBindings = async (args: GetApiSemanticBindingsArgs, options?: GetApiSemanticBindingsOptions) => {
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.resourceKind != null) query.append("resourceKind", String(args.resourceKind))
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 = `${baseUrl.replace(/\/+$/, '')}/semantic/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(semanticConnectorBindingPage, await res.json())
};