import os
from lib import workspace

# Tools untuk membantu sistem Hendrik.
# State workspace sesi dimiliki lib.workspace dan dipakai bersama oleh
# tool coding, vision, dan TUI -- di sini hanya dibungkus sebagai tool aksi.

schema_workspace_change = {
    "type": "function",
    "function": {
        "name": "workspace_change",
        "description": "Change the current working directory of the agent session. Supports tilde (~) expansion for the user home directory (/home/aji/).",
        "parameters": {
            "type": "object",
            "properties": {
                "path": {"type": "string", "description": "The target directory path to change to."}
            },
            "required": ["path"]
        }
    }
}

def workspace_change(path):
    previous_path = workspace.get_current_workspace()
    try:
        if path.startswith("~"):
            target_path = os.path.expanduser(path)
        else:
            target_path = os.path.abspath(path)

        if os.path.exists(target_path) and os.path.isdir(target_path):
            workspace.set_current_workspace(target_path)
            return (
                f"Successfully changed workspace.\n"
                f"previous workspace: {previous_path}\n"
                f"current workspace : {target_path}"
            )
        else:
            return (
                f"Error: The path {target_path} does not exist or is not a directory.\n"
                f"previous workspace: {previous_path}\n"
                f"current workspace : {previous_path} (unchanged)"
            )
    except Exception as e:
        return (
            f"Error changing workspace: {str(e)}\n"
            f"previous workspace: {previous_path}\n"
            f"current workspace : {workspace.get_current_workspace()}"
        )