csharp/scripts/setup-deps.sh

#!/usr/bin/env bash
set -euo pipefail

echo "📦 Setting up C# / .NET dependencies"
echo "===================================="

OS="$(uname -s)"

case "${OS}" in
    Linux*)
        echo "Installing .NET 8 SDK..."
        if command -v apt &> /dev/null; then
            # Ubuntu/Debian
            wget https://packages.microsoft.com/config/ubuntu/$(lsb_release -rs)/packages-microsoft-prod.deb -O packages-microsoft-prod.deb
            sudo dpkg -i packages-microsoft-prod.deb
            rm packages-microsoft-prod.deb
            sudo apt update
            sudo apt install -y dotnet-sdk-8.0
        elif command -v dnf &> /dev/null; then
            # Fedora/RHEL
            sudo dnf install -y dotnet-sdk-8.0
        elif command -v pacman &> /dev/null; then
            # Arch
            sudo pacman -S --needed dotnet-sdk
        fi
        ;;
    Darwin*)
        if command -v brew &> /dev/null; then
            echo "Installing .NET via Homebrew..."
            brew install dotnet
        else
            echo "Download from: https://dotnet.microsoft.com/download"
        fi
        ;;
    MINGW*|MSYS*|CYGWIN*)
        echo "Windows: Download from https://dotnet.microsoft.com/download"
        ;;
    *)
        echo "Unknown OS: ${OS}"
        ;;
esac

echo ""
echo "✅ .NET setup complete"
dotnet --version