Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"

$PackageName = "adspower-browser"
$IsWindowsRuntime = $env:OS -eq "Windows_NT" -or $PSVersionTable.Platform -eq "Win32NT"

function Write-Log {
    param([string]$Message)
    Write-Host "[install] $Message"
}

function Test-Command {
    param([string]$Name)

    return [bool](Get-Command $Name -ErrorAction SilentlyContinue)
}

function Refresh-Path {
    $machinePath = [Environment]::GetEnvironmentVariable("Path", "Machine")
    $userPath = [Environment]::GetEnvironmentVariable("Path", "User")
    $env:Path = "$machinePath;$userPath"
}

function Install-NodeViaNvm {
    Write-Log "Installing Node.js LTS via nvm..."
    cmd.exe /c "nvm install lts"
    if ($LASTEXITCODE -ne 0) {
        throw "nvm install failed."
    }

    Write-Log "Switching to Node.js LTS via nvm..."
    cmd.exe /c "nvm use lts"
    if ($LASTEXITCODE -ne 0) {
        throw "nvm use failed. Try running PowerShell as Administrator."
    }
}

function Get-WindowsOperatingSystem {
    try {
        return Get-CimInstance -ClassName Win32_OperatingSystem
    }
    catch {
        return Get-WmiObject -Class Win32_OperatingSystem
    }
}

function Test-WindowsServer2016 {
    $operatingSystem = Get-WindowsOperatingSystem
    if ($operatingSystem.Caption -match "Windows Server 2016") {
        return $true
    }

    $version = [version]$operatingSystem.Version
    return $operatingSystem.ProductType -ne 1 -and $version.Major -eq 10 -and $version.Minor -eq 0 -and [int]$operatingSystem.BuildNumber -eq 14393
}

function Get-NodeMsiVersion {
    if (Test-WindowsServer2016) {
        return "v20.20.2"
    }

    return "v18.20.8"
}

function Install-NodeViaMsi {
    $nodeVersion = Get-NodeMsiVersion
    $architecture = if ([Environment]::Is64BitOperatingSystem) { "x64" } else { "x86" }
    $installerPath = Join-Path $env:TEMP "node-$nodeVersion-$architecture.msi"
    $downloadUrl = "https://nodejs.org/dist/$nodeVersion/node-$nodeVersion-$architecture.msi"

    Write-Log "Downloading Node.js $nodeVersion installer..."
    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
    Invoke-WebRequest -Uri $downloadUrl -OutFile $installerPath -UseBasicParsing

    Write-Log "Installing Node.js $nodeVersion via MSI..."
    $installProcess = Start-Process msiexec.exe -Wait -PassThru -ArgumentList "/i `"$installerPath`" /qn /norestart"
    if ($installProcess.ExitCode -ne 0) {
        throw "Node.js MSI installation failed with exit code $($installProcess.ExitCode)."
    }
}

function Install-Node {
    if (-not (Test-Command "npm.cmd")) {
        if (Test-Command "nvm") {
            Install-NodeViaNvm
        }
        elseif (Test-Command "winget") {
            Write-Log "Installing Node.js via winget..."
            winget install OpenJS.NodeJS.LTS --accept-package-agreements --accept-source-agreements --silent *> $null
        }
        elseif (Test-Command "choco") {
            Write-Log "Installing Node.js via Chocolatey..."
            choco install nodejs-lts -y *> $null
        }
        elseif (Test-Command "scoop") {
            Write-Log "Installing Node.js via Scoop..."
            scoop install nodejs-lts *> $null
        }
        else {
            Install-NodeViaMsi
        }
    }

    Refresh-Path
}

function Install-Package {
    Write-Log "Installing $PackageName globally..."
    & npm.cmd install -g $PackageName
    Write-Log "Installation complete."
}

if (-not $IsWindowsRuntime) {
    throw "install.ps1 only supports Windows."
}

Install-Node
Install-Package