installer.ps1

installer.ps1

# Step 1: Check if Python is installed
function Ensure-Python {
    if (-not (Get-Command python -ErrorAction SilentlyContinue)) {
        Write-Host "Python not found. Installing Python..." -ForegroundColor Yellow
        $pythonInstaller = "$env:TEMP\python-installer.exe"
        Invoke-WebRequest -Uri "https://www.python.org/ftp/python/3.x.x/python-3.x.x-amd64.exe" -OutFile $pythonInstaller
        Start-Process -FilePath $pythonInstaller -ArgumentList '/quiet InstallAllUsers=1 PrependPath=1' -Wait
        Remove-Item $pythonInstaller
    } else {
        Write-Host "Python is already installed." -ForegroundColor Green
    }
}

# Step 2: Ensure virtualenv is set up
function Ensure-VirtualEnv {
    if (-not (Test-Path "$env:USERPROFILE\myvenv")) {
        Write-Host "Virtual environment not found. Setting up virtual environment..." -ForegroundColor Yellow
        python -m venv "$env:USERPROFILE\myvenv"
    } else {
        Write-Host "Virtual environment already exists." -ForegroundColor Green
    }

    if (-not $env:VIRTUAL_ENV) {
        Write-Host "Activating virtual environment..." -ForegroundColor Yellow
        & "$env:USERPROFILE\myvenv\Scripts\Activate.ps1"
    }
}

# Step 3: Ensure Oh-My-Posh is installed
function Ensure-OhMyPosh {
    if (-not (Get-Command oh-my-posh -ErrorAction SilentlyContinue)) {
        Write-Host "Oh-My-Posh not found. Installing Oh-My-Posh..." -ForegroundColor Yellow
        winget install JanDeDobbeleer.OhMyPosh -s winget
        
        # Force a refresh of the PATH environment variable so the command is recognized
        $env:PATH = [System.Environment]::GetEnvironmentVariable("PATH", [System.EnvironmentVariableTarget]::Machine)
    } else {
        Write-Host "Oh-My-Posh is already installed." -ForegroundColor Green
    }
}


# Step 4: Ensure Nerd Fonts are installed
function Ensure-NerdFonts {
    $fontFolder = "$env:USERPROFILE\Fonts"
    if (-not (Test-Path $fontFolder)) {
        New-Item -ItemType Directory -Path $fontFolder
    }

    if (-not (Test-Path "$fontFolder\Hack Nerd Font Complete.ttf")) {
        Write-Host "Installing Nerd Fonts..." -ForegroundColor Yellow
        $fontUrl = "https://github.com/ryanoasis/nerd-fonts/releases/download/v2.1.0/Hack.zip"
        $fontZip = "$env:TEMP\Hack.zip"
        $fontExtractPath = "$env:TEMP\Hack"
        Invoke-WebRequest -Uri $fontUrl -OutFile $fontZip
        Expand-Archive -Path $fontZip -DestinationPath $fontExtractPath
        Copy-Item "$fontExtractPath\*.ttf" -Destination $fontFolder
        Remove-Item $fontZip, $fontExtractPath -Recurse
        Write-Host "Nerd Fonts installed. Please set this font in your terminal." -ForegroundColor Green
    } else {
        Write-Host "Nerd Fonts already installed." -ForegroundColor Green
    }
}

# Step 5: Ensure Oh-My-Posh Powerline theme is set
function Ensure-OhMyPoshTheme {
    $themePath = "$env:USERPROFILE\oh-my-posh-themes"
    if (-not (Test-Path $themePath)) {
        New-Item -ItemType Directory -Path $themePath
        Invoke-WebRequest -Uri "https://github.com/JanDeDobbeleer/oh-my-posh/releases/latest/download/themes.zip" -OutFile "$themePath\themes.zip"
        Expand-Archive -Path "$themePath\themes.zip" -DestinationPath $themePath
        Remove-Item "$themePath\themes.zip"
    }

    oh-my-posh init pwsh --config "$themePath\powerline.omp.json" | Invoke-Expression
}

# Ensure all components are installed
Ensure-Python
Ensure-VirtualEnv
Ensure-OhMyPosh
Ensure-NerdFonts
Ensure-OhMyPoshTheme