export function formatToolActivity(toolName: string): string {
	switch (toolName) {
		// Built-in provider tool names
		case "read_file":
		case "Read":
			return "Reading file...";
		case "write_file":
		case "Write":
		case "Edit":
			return "Writing file...";
		case "list_directory":
		case "Glob":
			return "Listing files...";
		case "search_files":
		case "Grep":
			return "Searching files...";
		case "exec_shell":
		case "Bash":
			return "Executing command...";
		// Claude Code additional tool names
		case "Task":
			return "Running task...";
		case "WebFetch":
			return "Fetching web content...";
		case "WebSearch":
			return "Searching the web...";
		case "NotebookEdit":
			return "Editing notebook...";
		case "TodoWrite":
			return "Updating tasks...";
		default:
			return `Using ${toolName}...`;
	}
}

export const estimateTokens = (text: string): number =>
	Math.ceil(text.length / 4);

export const getContextWindowSize = (
	modelName: string,
	claudeContextWindows?: Map<string, number>,
): number => {
	if (modelName.startsWith("claude-")) {
		return claudeContextWindows?.get(modelName) ?? 200000;
	}
	if (modelName.includes("llama3")) return 8192;
	if (modelName.includes("qwen2.5")) return 32768;
	if (modelName.includes("deepseek")) return 16384;
	return 8192;
};