#!/bin/bash
set -e
echo "=== Aquarium Logbuch v3 Deploy ==="

# 1. Download aquascape header photo (CC0 from Pixabay)
echo "[1/7] Header-Foto herunterladen..."
mkdir -p /tmp/aquarium-deploy/app/public
wget -q --timeout=15 -O /tmp/aquarium-deploy/app/public/aquascape.jpg \
  "https://cdn.pixabay.com/photo/2023/02/08/06/09/aquarium-7776393_1280.jpg" \
  2>/dev/null && echo "  Foto heruntergeladen." || \
  wget -q --timeout=15 -O /tmp/aquarium-deploy/app/public/aquascape.jpg \
  "https://cdn.pixabay.com/photo/2017/07/14/15/48/aquarium-2503350_1280.jpg" \
  2>/dev/null && echo "  Foto (Fallback) heruntergeladen." || \
  echo "  WARN: Foto-Download fehlgeschlagen, CSS-Gradient wird als Fallback genutzt."

# 2. Build frontend
echo "[2/7] Frontend bauen..."
cd /tmp/aquarium-deploy/app
npm run build >> /tmp/build-v3-full.log 2>&1
echo "  Build abgeschlossen."

# 3. Deploy frontend
echo "[3/7] Frontend deployen..."
cp -r dist/* /var/www/aquarium-logbuch/
# Copy photo to webroot too if it exists
[ -f public/aquascape.jpg ] && cp public/aquascape.jpg /var/www/aquarium-logbuch/aquascape.jpg
echo "  Frontend kopiert."

# 4. Install backend
echo "[4/7] Backend installieren..."
mkdir -p /var/lib/aquarium-backend
cp /tmp/backend/server.js /var/lib/aquarium-backend/server.js
cp /tmp/backend/package.json /var/lib/aquarium-backend/package.json
cd /var/lib/aquarium-backend
npm install --omit=dev >> /tmp/build-v3-full.log 2>&1
echo "  Backend-Pakete installiert."

# 5. Setup data directory
echo "[5/7] Datenverzeichnis anlegen..."
mkdir -p /var/lib/aquarium
chown -R www-data:www-data /var/lib/aquarium 2>/dev/null || true

# 6. Create systemd service
echo "[6/7] Systemd-Service anlegen..."
cat > /etc/systemd/system/aquarium-api.service << 'EOF'
[Unit]
Description=Aquarium Logbuch API
After=network.target

[Service]
Type=simple
User=root
WorkingDirectory=/var/lib/aquarium-backend
ExecStart=/usr/bin/node /var/lib/aquarium-backend/server.js
Restart=on-failure
RestartSec=5
StandardOutput=journal
StandardError=journal
SyslogIdentifier=aquarium-api
Environment=NODE_ENV=production

[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable aquarium-api
systemctl restart aquarium-api
sleep 2
systemctl is-active aquarium-api && echo "  API-Service läuft." || echo "  WARN: API-Service startet nicht, Logs prüfen."

# 7. Update nginx config
echo "[7/7] Nginx konfigurieren..."
cat > /etc/nginx/sites-available/aquarium.conf << 'NGINX'
server {
    listen 80 default_server;
    server_name _;
    root /var/www/aquarium-logbuch;
    index index.html;
    client_max_body_size 10M;

    # API proxy → Node backend
    location /api {
        proxy_pass http://127.0.0.1:3001;
        proxy_http_version 1.1;
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_read_timeout 30s;
    }

    # SPA routing
    location / {
        try_files $uri $uri/ /index.html;
    }

    # Cache static assets
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2)$ {
        expires 7d;
        add_header Cache-Control "public, no-transform";
    }
}
NGINX
nginx -t && nginx -s reload && echo "  Nginx neu geladen."

echo ""
echo "=== Deploy abgeschlossen! ==="
echo "App: http://$(hostname -I | awk '{print $1}')/"
echo "Admin: aqlab / D4sP4sswortBek0mmtKe1ner!"