# myapp/services/backboard_service.py
import os
from flask import current_app
from backboardManager import Backboard   # 你已有的类

def _to_wsl_path_if_needed(path: str) -> str:
    cfg = current_app.config["VSCODE_WEB_PATH"]
    if cfg.get("is_wsl") and cfg.get("windows_path") and cfg.get("wsl_path"):
        return path.replace("\\", "/").replace(cfg["windows_path"], cfg["wsl_path"])
    return path

def realtime_response(config: dict, realtime_action: dict) -> None:
    """
    业务：根据 VSCode 上报的动作，更新 Backboard（黑板）状态。
    """
    # 依赖从 app.extensions 取，避免循环导入
    username2uuid = current_app.extensions["username2uuid"]
    backboard_manager = current_app.extensions["backboard_manager"]

    user_id = config["user_id"]
    folder_path = config["path"]  # 如需 WSL 转换可在生成 config 时处理
    useruuid = username2uuid[user_id]
    bb = backboard_manager.get_backboard(useruuid)
    assert isinstance(bb, Backboard)

    # 统一记历史
    bb.add_history(realtime_action)

    rtype = realtime_action.get("type")

    if rtype == "workspaceFolders":
        bb.file_tree = realtime_action.get("fileTree")

    elif rtype == "activeFile":
        file_path = realtime_action.get("filePath")
        assert isinstance(file_path, str)
        with open(file_path, "r", encoding="utf-8") as f:
            bb.active_file_content = f.read()
        bb.active_file_path = file_path

    elif rtype == "paste":
        file_path = realtime_action.get("filePath")
        assert isinstance(file_path, str)
        bb.pasted_file_path = file_path
        bb.pasted_content = realtime_action.get("content")
        bb.active_file_path = file_path
        with open(file_path, "r", encoding="utf-8") as f:
            bb.active_file_content = f.read()

    elif rtype == "fileEdit":
        file_path = realtime_action.get("filePath")
        assert isinstance(file_path, str)
        bb.active_file_path = file_path
        with open(file_path, "r", encoding="utf-8") as f:
            bb.active_file_content = f.read()

    # 如需调试输出，可在这里统一记录日志
    current_app.logger.debug("vscode config: %s", config)
    current_app.logger.debug("vscode action: %s", realtime_action)