# Process-local Windows tool discovery shared by startup and the frozen upgrader.
# Keep UTF-8 BOM for Windows PowerShell 5.1.

function Test-CommandExists {
    param([string]$Command)
    $res = Get-Command $Command -ErrorAction SilentlyContinue
    return ($null -ne $res)
}

function Update-EnvironmentPath {
    $standardDirs = @(
        "$env:LOCALAPPDATA\Microsoft\WinGet\Links",
        "$env:LOCALAPPDATA\Programs\node",
        "$env:USERPROFILE\.local\share\node",
        "$env:LOCALAPPDATA\Programs\scrcpy",
        "$env:USERPROFILE\.local\share\scrcpy",
        "$env:LOCALAPPDATA\Programs\platform-tools",
        "$env:USERPROFILE\.local\share\platform-tools",
        "$env:LOCALAPPDATA\Programs\uv",
        "$env:LOCALAPPDATA\uv",
        "$env:APPDATA\uv",
        "$env:USERPROFILE\.cargo\bin",
        "$env:USERPROFILE\.local\bin",
        "$env:USERPROFILE\scoop\shims",
        "C:\ProgramData\chocolatey\bin",
        "$env:LOCALAPPDATA\Android\Sdk\platform-tools",
        "$env:LOCALAPPDATA\Android\android-sdk\platform-tools",
        "$env:ProgramFiles\Android\platform-tools",
        "${env:ProgramFiles(x86)}\Android\android-sdk\platform-tools",
        "$env:ProgramFiles\nodejs",
        "${env:ProgramFiles(x86)}\nodejs",
        "$env:APPDATA\npm"
    )
    if ($env:CARGO_HOME) { $standardDirs = @("$env:CARGO_HOME\bin") + $standardDirs }
    if ($env:ANDROID_HOME) { $standardDirs += "$env:ANDROID_HOME\platform-tools" }
    if ($env:ANDROID_SDK_ROOT) { $standardDirs += "$env:ANDROID_SDK_ROOT\platform-tools" }
    if ($env:NVM_SYMLINK) { $standardDirs = @($env:NVM_SYMLINK) + $standardDirs }
    if ($env:NVM_HOME) { $standardDirs = @($env:NVM_HOME) + $standardDirs }

    $regPath = [Environment]::GetEnvironmentVariable("Path", "User") + ";" + [Environment]::GetEnvironmentVariable("Path", "Machine")
    $currentPaths = ($env:PATH -split ";") + ($regPath -split ";") + $standardDirs | Where-Object { [string]::IsNullOrWhiteSpace($_) -eq $false -and (Test-Path $_) } | Select-Object -Unique
    $env:PATH = $currentPaths -join ";"

    # Ensure user-space portable tools take absolute priority over system-level outdated versions
    $portableNode = "$env:LOCALAPPDATA\Programs\node"
    if (Test-Path "$portableNode\node.exe") {
        $env:PATH = "$portableNode;$env:PATH"
    }
    $portableScrcpy = "$env:LOCALAPPDATA\Programs\scrcpy"
    if (Test-Path "$portableScrcpy\scrcpy.exe") {
        $env:PATH = "$portableScrcpy;$env:PATH"
    }
    $portablePt = "$env:LOCALAPPDATA\Programs\platform-tools"
    if (Test-Path "$portablePt\adb.exe") {
        $env:PATH = "$portablePt;$env:PATH"
    }
}