build.sh

#!/bin/bash
set -e

echo "============================================"
echo "  DKST RetroProxy - Build Script"
echo "  (macOS / Ubuntu / Linux)"
echo "============================================"
echo ""

# Detect OS
OS="$(uname -s)"
case "${OS}" in
    Darwin*)    PLATFORM="macOS";;
    Linux*)     PLATFORM="Linux";;
    *)          PLATFORM="Unknown";;
esac
echo "Detected platform: $PLATFORM"
echo ""

# Function to check if command exists
command_exists() {
    command -v "$1" >/dev/null 2>&1
}

# Check Go
echo "[1/3] Checking Go installation..."
if ! command_exists go; then
    echo "       Go is not installed."
    if [ "$PLATFORM" = "macOS" ]; then
        echo "       Installing Go via Homebrew..."
        if ! command_exists brew; then
            echo "[ERROR] Homebrew not found. Please install it first:"
            echo "        /bin/bash -c \"\$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/HEAD/install.sh)\""
            exit 1
        fi
        brew install go
    elif [ "$PLATFORM" = "Linux" ]; then
        echo "       Installing Go..."
        if command_exists apt-get; then
            sudo apt-get update
            sudo apt-get install -y golang-go
        elif command_exists dnf; then
            sudo dnf install -y golang
        elif command_exists pacman; then
            sudo pacman -S --noconfirm go
        else
            echo "[ERROR] Could not detect package manager. Please install Go manually:"
            echo "        https://go.dev/dl/"
            exit 1
        fi
    fi
fi
GO_VERSION=$(go version | awk '{print $3}')
echo "       Found Go $GO_VERSION"

# Check Node.js
echo "[2/3] Checking Node.js installation..."
if ! command_exists node; then
    echo "       Node.js is not installed."
    if [ "$PLATFORM" = "macOS" ]; then
        echo "       Installing Node.js via Homebrew..."
        brew install node
    elif [ "$PLATFORM" = "Linux" ]; then
        echo "       Installing Node.js..."
        if command_exists apt-get; then
            curl -fsSL https://deb.nodesource.com/setup_lts.x | sudo -E bash -
            sudo apt-get install -y nodejs
        elif command_exists dnf; then
            sudo dnf install -y nodejs npm
        elif command_exists pacman; then
            sudo pacman -S --noconfirm nodejs npm
        else
            echo "[ERROR] Could not detect package manager. Please install Node.js manually:"
            echo "        https://nodejs.org/"
            exit 1
        fi
    fi
fi
NODE_VERSION=$(node --version)
echo "       Found Node.js $NODE_VERSION"

# Check Wails CLI
echo "[3/3] Checking Wails CLI installation..."
if ! command_exists wails; then
    echo "       Wails CLI not found. Installing..."
    go install github.com/wailsapp/wails/v2/cmd/wails@latest
    # Add Go bin to PATH for this session
    export PATH="$PATH:$(go env GOPATH)/bin"
    if ! command_exists wails; then
        echo "[ERROR] Wails installed but not in PATH. Add this to your shell profile:"
        echo "        export PATH=\$PATH:\$(go env GOPATH)/bin"
        exit 1
    fi
    echo "       Wails CLI installed successfully."
else
    echo "       Found Wails CLI"
fi

# Check Wails dependencies (Linux only)
WEBKIT_VERSION=""
if [ "$PLATFORM" = "Linux" ]; then
    echo ""
    echo "Checking Linux dependencies for Wails..."
    if command_exists apt-get; then
        # Try 4.1 first (Ubuntu 22.04+), fallback to 4.0
        if apt-cache show libwebkit2gtk-4.1-dev >/dev/null 2>&1; then
            sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.1-dev
            WEBKIT_VERSION="4.1"
        else
            sudo apt-get install -y libgtk-3-dev libwebkit2gtk-4.0-dev
            WEBKIT_VERSION="4.0"
        fi
    elif command_exists dnf; then
        sudo dnf install -y gtk3-devel webkit2gtk3-devel
    elif command_exists pacman; then
        sudo pacman -S --noconfirm gtk3 webkit2gtk
    fi
fi

echo ""
echo "============================================"
echo "  All dependencies satisfied. Building..."
echo "============================================"
echo ""

# Install frontend dependencies
echo "Installing frontend dependencies..."
cd frontend
npm install
cd ..

# Build the application
echo "Building application..."
if [ "$WEBKIT_VERSION" = "4.1" ]; then
    echo "       Using webkit2gtk-4.1 (Ubuntu 22.04+)"
    wails build -tags webkit2_41
else
    wails build
fi

echo ""
echo "============================================"
echo "  Build completed successfully!"
if [ "$PLATFORM" = "macOS" ]; then
    echo "  Output: build/bin/RetroProxy.app"
else
    echo "  Output: build/bin/RetroProxy"
fi
echo "============================================"