import {z} from 'zod'

export type RouteExposureDescriptorId = string;

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

export type PartyRef = {partyId?: string | undefined, externalId?: string | undefined, partyType?: string | undefined, displayName?: string | undefined, metadata?: StringMap | undefined};

export type RetentionDeleteAction = 'DELETE' | 'ANONYMIZE' | 'PSEUDONYMIZE' | 'TOMBSTONE' | 'REVIEW';

export type RetentionSpec = {purpose?: string | undefined, legalBasis?: string | undefined, retentionPeriod?: string | undefined, deleteAction?: RetentionDeleteAction | undefined, metadata?: StringMap | undefined};

export type ConnectorIntegrityReference = {originalPayloadHash?: string | undefined, canonicalPayloadHash?: string | undefined, transformationHash?: string | undefined, evidenceRef?: string | undefined, vaultRef?: string | undefined, signatureRef?: string | undefined, sealRef?: string | undefined, timestampRef?: string | undefined, sourceAuthenticityVerdict?: string | undefined, outputManifestHash?: string | undefined};

export type ConnectorGovernanceEnvelope = {classification?: string | undefined, sensitivity?: string | undefined, specialCategory?: boolean | undefined, legalBasis?: string | undefined, purpose?: string | undefined, b2bUsagePurpose?: string | undefined, frameworkAgreementRef?: string | undefined, contractReference?: string | undefined, minimizationStatus?: ('NOT_EVALUATED' | 'MINIMIZED' | 'REDACTED' | 'FULL_DATASET' | 'EXCESSIVE') | undefined, retentionProfileId?: string | undefined, retention?: RetentionSpec | undefined, crossBorderRestriction?: ('NONE' | 'SAME_COUNTRY' | 'EEA_ONLY' | 'APPROVED_COUNTRIES' | 'CONTRACT_REQUIRED' | 'BLOCKED') | undefined, encryptionRequirement?: ('NONE' | 'IN_TRANSIT' | 'AT_REST' | 'AT_REST_AND_IN_TRANSIT' | 'CUSTOMER_MANAGED_KEY') | undefined, dpiaRequired?: boolean | undefined, integrity?: ConnectorIntegrityReference | undefined, policyDecisionId?: string | undefined, relianceVerdict?: ('NOT_EVALUATED' | 'RELIABLE' | 'CONDITIONAL' | 'NOT_RELIABLE') | undefined, auditCategory?: ('PROTOCOL_ISSUANCE' | 'PROTOCOL_VERIFICATION' | 'FORM' | 'PORTAL' | 'WORKFLOW' | 'DATASPACE' | 'INDUSTRIAL' | 'EXTERNAL_EXCHANGE' | 'VAULT' | 'SYSTEM_CATALOG') | undefined};

export type ConnectorCursor = {value: string, metadata?: StringMap | undefined};

export type RouteExposureExternalReadRequest = {authMethod: string, callerParty: PartyRef, canonicalFields: {[key: string]: unknown}, governance?: ConnectorGovernanceEnvelope | undefined, cursor?: ConnectorCursor | undefined};

export type CreateApiRouteExposuresExposureDescriptorIdReadArgs = {exposureDescriptorId: RouteExposureDescriptorId, body: RouteExposureExternalReadRequest};

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

export const connectorRunId = z.string();

export const routeExposureDescriptorId = z.string();

export const logicalConnectionBindingId = z.string();

export const connectorExportedField = z.object({fieldPath: z.string(), value: z.record(z.string(), z.unknown()).nullable().optional(), redacted: z.boolean().optional(), minimized: z.boolean().optional(), integrityHash: z.string()});

export const connectorExportManifest = z.object({manifestId: z.string(), destinationIdentity: z.string(), selectedFields: z.array(connectorExportedField), mappingVersion: z.string(), mappingProvenance: z.string().optional(), policyDecisionId: z.string(), retentionProfileId: z.string(), agreementRef: z.record(z.string(), z.unknown()).optional(), participantIdentity: z.record(z.string(), z.unknown()).optional(), transferProcess: z.record(z.string(), z.unknown()).optional(), obligations: z.array(z.record(z.string(), z.unknown())).optional(), manifestHash: z.string()});

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

export const connectorCursor = z.object({value: z.string(), metadata: stringMap.optional()});

export const connectorExternalReadResponse = z.object({state: z.string(), runId: connectorRunId.optional(), exposureDescriptorId: routeExposureDescriptorId, logicalConnectionBindingId: logicalConnectionBindingId, policyDecisionId: z.string(), selectedFieldPaths: z.array(z.string()), manifest: connectorExportManifest, cursor: connectorCursor.optional(), sourceSurface: z.string().optional()});

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
};

/**
 * Execute an externally initiated route exposure read
 * 
 * POST /route/exposures/{exposureDescriptorId}/read
 */
export const createApiRouteExposuresExposureDescriptorIdRead = async (args: CreateApiRouteExposuresExposureDescriptorIdReadArgs, options?: CreateApiRouteExposuresExposureDescriptorIdReadOptions) => {
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 = `${baseUrl.replace(/\/+$/, '')}/route/exposures/${encodeURIComponent(String(args.exposureDescriptorId))}/read${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(connectorExternalReadResponse, await res.json())
};