class FirefoxService {

    static [string] FindInstallDir() {
        $candidates = @(
            "C:\Program Files\Mozilla Firefox",
            "C:\Program Files (x86)\Mozilla Firefox"
        )
        foreach ($c in $candidates) {
            if (Test-Path (Join-Path $c "firefox.exe")) { return $c }
        }
        try {
            $reg = Get-ItemProperty "HKLM:\SOFTWARE\Mozilla\Mozilla Firefox" -ErrorAction Stop
            if ($reg."Install Directory" -and (Test-Path $reg."Install Directory")) {
                return $reg."Install Directory"
            }
        } catch {}
        return $null
    }

    static [string] FindProfile() {
        $profilesPath = Join-Path ([Environment]::GetFolderPath("ApplicationData")) "Mozilla\Firefox\Profiles"
        if (-not (Test-Path $profilesPath)) { return $null }
        $profiles = Get-ChildItem $profilesPath -Directory |
            Where-Object { $_.Name -match '\.default|default-release' }
        if ($profiles) { return $profiles[0].FullName }
        $all = Get-ChildItem $profilesPath -Directory
        if ($all) { return $all[0].FullName }
        return $null
    }

    static [bool] IsRunning() {
        return [bool](Get-Process -Name "firefox" -ErrorAction SilentlyContinue)
    }

    static [bool] IsAdmin() {
        $id = [System.Security.Principal.WindowsIdentity]::GetCurrent()
        return (New-Object System.Security.Principal.WindowsPrincipal($id)).IsInRole(
            [System.Security.Principal.WindowsBuiltInRole]::Administrator)
    }

    static [bool] IsIntuneManaged() {
        $key = "HKLM:\SOFTWARE\Policies\Mozilla\Firefox"
        if (Test-Path $key) {
            return [bool](Get-ItemProperty $key -ErrorAction SilentlyContinue)
        }
        return $false
    }

    static [object[]] GetInstalledAddons([string]$profilePath) {
        $json = Join-Path $profilePath "extensions.json"
        if (-not (Test-Path $json)) { return @() }
        return (Get-Content $json -Raw | ConvertFrom-Json).addons |
            Where-Object { $_.type -eq "extension" }
    }
}