#!/bin/sh

if [ -z "$1" ]; then
    echo "Enter kiosk URL (e.g., https://dashboard.company.com):"
    read -r KIOSK_URL
else
    KIOSK_URL="$1"
fi

echo "Setting up Alpine Linux Kiosk..."
echo "Kiosk URL: $KIOSK_URL"

if ! grep -q "community" /etc/apk/repositories; then
    echo "http://dl-cdn.alpinelinux.org/alpine/v3.22/community" >> /etc/apk/repositories
    apk update
fi

echo "Installing kiosk packages..."
apk add chromium xorg-server xinit openbox font-noto unclutter xf86-input-libinput mesa-dri-gallium

echo "Creating .xinitrc for kiosk mode"
cat << EOF > /root/.xinitrc
#!/bin/sh

xset -dpms
xset s off  
xset s noblank

unclutter -idle 1 &

mkdir -p /root/.config/chromium/Default
sed -i 's/"exited_cleanly":false/"exited_cleanly":true/' /root/.config/chromium/Default/Preferences 2>/dev/null || true
sed -i 's/"exit_type":"Crashed"/"exit_type":"Normal"/' /root/.config/chromium/Default/Preferences 2>/dev/null || true

while true; do
    /usr/bin/chromium-browser $KIOSK_URL \\
        --window-size=1920,1080 \\
        --window-position=0,0 \\
        --start-fullscreen \\
        --kiosk \\
        --incognito \\
        --noerrdialogs \\
        --disable-translate \\
        --no-first-run \\
        --fast \\
        --fast-start \\
        --disable-infobars \\
        --disable-features=TranslateUI \\
        --enable-features=OverlayScrollbars \\
        --disk-cache-dir=/dev/null \\
        --overscroll-history-navigation=0 \\
        --disable-pinch \\
        --no-sandbox \\
        --disable-dev-shm-usage \\
        --disable-sync \\
        --disable-signin-frame-redirect
    
    echo "Browser crashed, restarting in 5 seconds..."
    sleep 5
done
EOF

chmod +x /root/.xinitrc

echo "Setting up auto-start X11 on boot"
cat << 'EOF' > /root/.profile
if [ -z "$DISPLAY" ] && [ "$XDG_VTNR" = 1 ]; then
    exec startx
fi
EOF

if ! grep -q "getty -n -l /bin/sh" /etc/inittab; then
    sed -i 's/^tty1:/#&/' /etc/inittab
    echo 'tty1::respawn:/sbin/getty -n -l /bin/sh 38400 tty1' >> /etc/inittab
fi

echo "kiosk" > /etc/hostname

echo ""
echo "Kiosk setup complete! (Script is safe to re-run)"
echo "URL configured: $KIOSK_URL" 
echo "Reboot to start kiosk mode: reboot"