@echo off
setlocal enabledelayedexpansion

:: 获取脚本所在的目录
set "scriptDir=%~dp0"

:: 检查是否有 .ttml 文件存在
set "foundFiles=0"
for /r "%scriptDir%" %%f in (*.ttml) do (
    set /a foundFiles+=1
)

if %foundFiles% equ 0 (
    echo No .ttml files found in the directory and its subdirectories.
    pause
    exit /b
)

:: 递归遍历脚本所在目录及其子目录中的所有 .ttml 文件
for /r "%scriptDir%" %%f in (*.ttml) do (
    set "fullPath=%%f"
    set "newPath=%%~dpnf.wxml"  :: 构造新的路径和文件名（去掉原来的.ttml扩展名）

    :: 输出调试信息
    echo Processing file: %%f
    echo New name will be: !newPath!

    :: 检查新文件名是否已经存在，避免覆盖
    if not exist "!newPath!" (
        ren "%%f" "%%~nxf:~0,-5.wxml"  :: 去掉原扩展名再添加新扩展名 (.ttml是5个字符)
        if errorlevel 1 (
            echo Failed to rename: "%%f"
        ) else (
            echo Renamed: "%%f" to "%%~nxf:~0,-5.wxml"
        )
    ) else (
        echo Skipped renaming: "%%f" because "!newPath!" already exists.
    )
)

endlocal
pause