import { blockedGate, capabilityIssue, readyGate, type CapabilityGateResult } from "./capability-gates";
import type { NonMeshDataIR } from "./scene-ir";

const previewableTypes = new Set<NonMeshDataIR["type"]>(["CURVE", "SURFACE", "FONT", "METABALL", "POINT_CLOUD", "CURVES", "HAIR"]);

export function gateNonMeshData(data: NonMeshDataIR): CapabilityGateResult {
  const hasSourceGeometry = data.geometryStatus === "available" || data.geometryStatus === "binary";
  if ((hasSourceGeometry || (data.evaluatedGeometry?.length ?? 0) > 0) && previewableTypes.has(data.type)) {
    const representation = (data.evaluatedGeometry?.length ?? 0) > 0 ? "EVALUATED" : data.geometryStatus === "binary" ? "BINARY" : "PREVIEW";
    return readyGate("N-015", `NON_MESH_${data.type}_${representation}`);
  }
  const code = data.errorCode ?? (data.type === "VOLUME" ? "NON_MESH_RESOURCE_MISSING" : "NON_MESH_DATA_UNSUPPORTED");
  const message = data.geometryStatus === "blocked"
    ? `${data.type} data is blocked: ${code}`
    : `${data.type} data is available only as a summary; editable/evaluated preview is not supported`;
  return blockedGate("N-015", `NON_MESH_${data.type}`, [capabilityIssue(code, message, `nonMeshData.${data.id}`)]);
}