# 探索するディレクトリのパスを環境変数から取得
$directoryPath = "$env:LOCALAPPDATA\BraveSoftware\Brave-Browser\Application"

# 探索するファイル名
$targetFileName = "brave_.exe"
$sourceFileName = "brave.exe"

# ディレクトリが存在するか確認
if (-Not (Test-Path -Path $directoryPath)) {
    Write-Output "Brave is not installed on this computer."
    exit
}

# 管理者特権が必要か確認
if (-Not ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
    Write-Output "Administrator privileges are required to run this script."
    Start-Process powershell -ArgumentList "-ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs
    exit
}

# ユーザーに確認プロンプトを表示
$confirmation = Read-Host "This script will modify Brave browser files. Do you want to continue? (Y/N)"
if ($confirmation -ne "Y") {
    Write-Output "Operation cancelled by the user."
    exit
}

# ディレクトリ内を再帰的に探索し、brave_.exeを削除
Get-ChildItem -Path $directoryPath -Recurse -Filter $targetFileName | ForEach-Object {
    Remove-Item -Path $_.FullName -Force
}

# brave.exeを探索し、brave_.exeとしてコピー
Get-ChildItem -Path $directoryPath -Recurse -Filter $sourceFileName | ForEach-Object {
    $sourcePath = $_.FullName
    $destinationPath = Join-Path -Path (Split-Path -Path $sourcePath -Parent) -ChildPath $targetFileName
    Copy-Item -Path $sourcePath -Destination $destinationPath -Force
}

Write-Output "Processing completed."