// tool-names.ts - Helpers for normalizing and resolving MCP tool names

/**
 * Normalize tool name (strip common prefixes)
 */
export function normalizeToolName(name: string): string {
  const lower = name.toLowerCase();

  // Strip RepoPrompt_ prefix if present
  if (lower.startsWith("repoprompt_")) {
    return name.slice(11);
  }

  // Strip rp_ prefix if present
  if (lower.startsWith("rp_")) {
    return name.slice(3);
  }

  return name;
}

/**
 * Resolve the actual tool name exposed by the MCP server
 *
 * The RepoPrompt server may expose prefixed names like "RepoPrompt_list_windows"
 * instead of "list_windows". This helper picks the correct concrete name
 */
export function resolveToolName(tools: Array<{ name: string }>, desired: string): string | null {
  const desiredLower = desired.toLowerCase();

  const match = tools.find((tool) => normalizeToolName(tool.name).toLowerCase() === desiredLower);
  return match ? match.name : null;
}