// Source-backed rules shared by the configuration loader, case matrix and UI adapters.
export const LINUXCNC_SOURCE_SEMANTICS_SCHEMA = "linuxcnc-source-semantics.v1";

export const LINUXCNC_SOURCE_SEMANTICS = Object.freeze({
  schema: LINUXCNC_SOURCE_SEMANTICS_SCHEMA,
  optional_display_keys: Object.freeze(["OPEN_FILE", "INTRO_GRAPHIC"]),
  hal_keys: Object.freeze(["HAL", "HALFILE"]),
  runtime_fixture_keys: Object.freeze(["PARAMETER_FILE", "VARFILE", "TOOL_TABLE", "TOOLTABLE"]),
  classifications: Object.freeze({
    hal_missing: "BLOCKED_HAL",
    resource_missing: "BLOCKED_RESOURCE",
  }),
  source_refs: Object.freeze({
    axis_open_file: "linuxcnc/src/emc/usr_intf/axis/scripts/axis.py",
    parameter_file: "linuxcnc/src/emc/rs274ngc/rs274ngc_pre.cc",
    program_prefix: "linuxcnc/src/emc/task/emctask.cc",
  }),
  control_panel_projection: Object.freeze([
    "configuration.state",
    "configuration.diagnostics",
    "configuration.resources",
    "configuration.hal",
    "configuration.optional_missing",
    "configuration.runtime_fixtures",
    "configuration.state_hash",
  ]),
});

export function isOptionalSourceKey(key, section) {
  const normalizedKey = String(key ?? "").toUpperCase();
  const normalizedSection = String(section ?? "").toUpperCase();
  return normalizedSection === "DISPLAY" && LINUXCNC_SOURCE_SEMANTICS.optional_display_keys.includes(normalizedKey);
}

export function isHalResourcePath(path) {
  const value = String(path ?? "");
  return value.endsWith(".hal") || value.includes("/hallib/");
}

export function classifyMissingResources(paths) {
  return (paths ?? []).some(isHalResourcePath)
    ? LINUXCNC_SOURCE_SEMANTICS.classifications.hal_missing
    : LINUXCNC_SOURCE_SEMANTICS.classifications.resource_missing;
}