ample/AmpleLinux/build_elf.sh

#!/bin/bash
# build_elf.sh — Build standalone Linux binary for AmpleLinux using PyInstaller
set -e

cd "$(dirname "${BASH_SOURCE[0]}")"
echo "[AmpleLinux] Building standalone Linux binary..."

# --- Step 0: Ensure python3-venv is available ---
if ! python3 -m venv --help &> /dev/null; then
    echo "[INFO] python3-venv is required but not installed."
    if command -v apt &> /dev/null; then
        PY_VER=$(python3 -c "import sys; print(f'{sys.version_info.major}.{sys.version_info.minor}')")
        echo "[INFO] Installing python3.${PY_VER}-venv ..."
        sudo apt install -y "python3.${PY_VER}-venv" python3-full
        if [ $? -ne 0 ]; then
            echo "[ERROR] Failed to install python3-venv. Please run manually:"
            echo "  sudo apt install python3-venv python3-full"
            exit 1
        fi
    else
        echo "[ERROR] Please install python3-venv for your distro and try again."
        exit 1
    fi
fi

# --- Step 0.1: Ensure binutils is available ---
if ! command -v objcopy &> /dev/null; then
    echo "[INFO] binutils (objcopy) is required but not installed."
    if command -v apt &> /dev/null; then
        echo "[INFO] Installing binutils..."
        sudo apt install -y binutils
    else
        echo "[ERROR] Please install binutils (objcopy) for your distro."
        exit 1
    fi
fi

# --- Step 1: Create/Activate virtual environment ---
VENV_DIR=".build_venv"
# Recreate if venv is broken (missing activate script)
if [ -d "$VENV_DIR" ] && [ ! -f "$VENV_DIR/bin/activate" ]; then
    echo "[WARN] Build venv is broken, recreating..."
    rm -rf "$VENV_DIR"
fi
if [ ! -d "$VENV_DIR" ]; then
    echo "[INFO] Creating build virtual environment..."
    python3 -m venv "$VENV_DIR"
fi
source "$VENV_DIR/bin/activate"
echo "[INFO] Using Python: $(which python3)"

# --- Step 2: Install build dependencies + app dependencies in venv ---
echo "[INFO] Installing build dependencies..."
pip install --quiet pyinstaller Pillow
pip install --quiet -r requirements.txt

# --- Step 3: Generate Application Icons ---
echo ""
echo "[0/2] Generating Application Icons..."
python3 make_icon.py

# --- Step 4: Build with PyInstaller ---
echo ""
echo "[1/2] Converting main.py to Linux binary..."

ICON_PATH="ample.png"
ICON_ARG=""
if [ -f "$ICON_PATH" ]; then
    ICON_ARG="--icon $ICON_PATH"
fi

pyinstaller --noconfirm --onedir --clean \
    --name "AmpleLinux" \
    --add-data "ample.png:." \
    $ICON_ARG \
    main.py


if [ $? -ne 0 ]; then
    echo "[ERROR] Build failed!"
    deactivate
    exit 1
fi

# --- Step 5: Copy necessary assets ---
echo ""
echo "[2/2] Copying necessary assets..."

DIST_RESOURCES="dist/AmpleLinux/Ample/Resources"
mkdir -p "$DIST_RESOURCES"
echo "Copying Resources..."
cp -r ../Ample/Resources/* "$DIST_RESOURCES/"

DIST_MAME="dist/AmpleLinux/mame"
mkdir -p "$DIST_MAME/roms"
mkdir -p "$DIST_MAME/cfg"
echo "Created mame directory structure."

cp requirements.txt dist/AmpleLinux/
cp ample.png dist/AmpleLinux/

# --- Step 6: Create .desktop file for integration ---
echo "Creating .desktop file..."
cat > dist/AmpleLinux/AmpleLinux.desktop <<EOF
[Desktop Entry]
Type=Application
Name=AmpleLinux
Comment=Apple II Frontend for MAME
Exec=$(pwd)/dist/AmpleLinux/AmpleLinux
Icon=$(pwd)/dist/AmpleLinux/ample.png
Terminal=false
Categories=Game;Emulator;
StartupWMClass=AmpleLinux
EOF

echo ""
echo "[SUCCESS] Build complete!"

# --- Step 7: Interactive Install ---
if [ -t 0 ]; then
    echo ""
    read -p "Do you want to install the .desktop shortcut to ~/.local/share/applications/? (y/N) " -n 1 -r
    echo ""
    if [[ $REPLY =~ ^[Yy]$ ]]; then
        mkdir -p ~/.local/share/applications/
        cp dist/AmpleLinux/AmpleLinux.desktop ~/.local/share/applications/
        echo "✅ Installed! You can now search for 'AmpleLinux' in your applications menu."
        # Update icon cache just in case
        if command -v gtk-update-icon-cache &> /dev/null; then
            gtk-update-icon-cache ~/.local/share/icons &> /dev/null || true
        fi
    else
        echo "Skipped installation."
        echo "You can manually copy it later:"
        echo "  cp dist/AmpleLinux/AmpleLinux.desktop ~/.local/share/applications/"
    fi
fi

echo ""
echo "The standalone application is located in: dist/AmpleLinux/AmpleLinux"
echo ""

# --- Cleanup ---
echo "Cleaning up build artifacts..."
rm -rf build
rm -f AmpleLinux.spec
deactivate

echo "Done!"