#!/bin/bash

# Hosting Platform Deployment Script
# Usage: ./deploy.sh

set -e

HOST="root@176.96.129.77"
SSH_KEY="~/.ssh/id_rsa"

echo "╔══════════════════════════════════════════════════════════════╗"
echo "║       🚀 Hosting Platform Deployment Script 🚀              ║"
echo "╚══════════════════════════════════════════════════════════════╝"
echo ""

# 1. Backup and Git Pull
echo "📥 [1/6] Backing up .env and pulling latest code..."
ssh -i $SSH_KEY $HOST << 'ENDSSH'
# Backup .env file
mkdir -p /opt/backups/hosting-platform
if [ -f /opt/hosting-platform/backend/.env ]; then
    cp /opt/hosting-platform/backend/.env /opt/backups/hosting-platform/.env.backup.$(date +%Y%m%d_%H%M%S)
fi

# Pull latest code
cd /opt/hosting-platform
git fetch origin
git reset --hard origin/main

# Restore .env file
LATEST_BACKUP=$(ls -t /opt/backups/hosting-platform/.env.backup.* 2>/dev/null | head -1)
if [ -n "$LATEST_BACKUP" ]; then
    cp "$LATEST_BACKUP" /opt/hosting-platform/backend/.env
fi

# Ensure ADMIN_API config exists
if ! grep -q "ADMIN_API_URL" /opt/hosting-platform/backend/.env; then
    cat >> /opt/hosting-platform/backend/.env << 'EOF'

# Admin Panel API (for fetching CF accounts)
ADMIN_API_URL=http://localhost:5001
ADMIN_API_INTERNAL_KEY=internal-api-key-1c2f72e80d1bc5f9bfee7e3726319ac7
EOF
fi
ENDSSH
echo "✅ Git pull complete and .env restored"
echo ""

# 2. Backend Dependencies
echo "📦 [2/6] Installing backend dependencies..."
ssh -i $SSH_KEY $HOST << 'ENDSSH'
cd /opt/hosting-platform/backend
source venv/bin/activate
pip install -q -r requirements.txt
ENDSSH
echo "✅ Backend dependencies installed"
echo ""

# 3. Database Migration
echo "🗄️  [3/6] Running database migrations..."
ssh -i $SSH_KEY $HOST << 'ENDSSH'
cd /opt/hosting-platform/backend
source venv/bin/activate
python -c "from app.main import app, db; app.app_context().push(); db.create_all()"
ENDSSH
echo "✅ Database migrations complete"
echo ""

# 4. Frontend Build
echo "🎨 [4/6] Building frontend..."
ssh -i $SSH_KEY $HOST << 'ENDSSH'
cd /opt/hosting-platform/frontend
npm install --silent
npm run build
ENDSSH
echo "✅ Frontend built"
echo ""

# 5. Restart Services with Proper Cleanup
echo "🔄 [5/6] Restarting services..."
ssh -i $SSH_KEY $HOST << 'ENDSSH'
# Kill all existing backend processes
echo "  🔪 Stopping all backend processes..."
pkill -f "python.*hosting-platform.*main.py" || true
sleep 2

# Force kill if still running
if pgrep -f "python.*hosting-platform.*main.py" > /dev/null; then
    echo "  ⚠️  Force killing remaining processes..."
    pkill -9 -f "python.*hosting-platform.*main.py" || true
    sleep 1
fi

# Update supervisor config with proper settings
cat > /etc/supervisor/conf.d/hosting-backend.conf << 'EOF'
[program:hosting-backend]
command=/opt/hosting-platform/backend/venv/bin/python /opt/hosting-platform/backend/app/main.py
directory=/opt/hosting-platform/backend
user=root
autostart=true
autorestart=true
startsecs=5
stopwaitsecs=10
stopsignal=TERM
killasgroup=true
stopasgroup=true
redirect_stderr=true
stdout_logfile=/var/log/hosting-backend.log
stdout_logfile_maxbytes=50MB
stdout_logfile_backups=5
environment=PYTHONPATH="/opt/hosting-platform/backend",FLASK_APP="app.main",FLASK_ENV="production",SECRET_KEY="cfef4ad2f52832def87c20ebddb5067c44379c5ab366ebeb50217b5f484a92df",DATABASE_URL="postgresql://hosting:hosting_519c6c66a8e2695ce704ccba@localhost:5432/hosting",REDIS_URL="redis://localhost:6379/0",ENCRYPTION_KEY="tThpEL7KeYwGSg9isM7LUbxv-Lju325c2gtIf56DHV4",PLATFORM_CF_API_TOKEN="",PLATFORM_CF_ACCOUNT_ID="",LB_IPS="185.123.45.67,185.123.45.68,185.123.45.69",API_HOST="0.0.0.0",API_PORT="5000"
EOF

# Reload supervisor
echo "  🔄 Reloading supervisor..."
supervisorctl reread
supervisorctl update
sleep 2

# Start backend
echo "  ▶️  Starting backend..."
supervisorctl start hosting-backend || true
sleep 3

# Restart frontend
supervisorctl restart hosting-frontend || true
ENDSSH
sleep 3
echo "✅ Services restarted"
echo ""

# 6. Health Check
echo "🏥 [6/6] Running health checks..."

# Wait for backend to be ready
MAX_RETRIES=15
RETRY_COUNT=0
echo "  ⏳ Waiting for backend to be ready..."

while [ $RETRY_COUNT -lt $MAX_RETRIES ]; do
    HEALTH=$(ssh -i $SSH_KEY $HOST "curl -s http://localhost:5000/health" 2>/dev/null || echo "")

    if echo "$HEALTH" | grep -q "ok"; then
        echo "  ✅ Backend is healthy!"
        break
    fi

    RETRY_COUNT=$((RETRY_COUNT + 1))
    echo "  ⏳ Attempt $RETRY_COUNT/$MAX_RETRIES..."
    sleep 2
done

if [ $RETRY_COUNT -eq $MAX_RETRIES ]; then
    echo "  ❌ Backend failed to start! Checking logs..."
    ssh -i $SSH_KEY $HOST "tail -30 /var/log/hosting-backend.log"
    exit 1
fi

# Check public endpoints
sleep 2
HEALTH=$(curl -s https://api.argeict.net/health)
if echo "$HEALTH" | grep -q "ok"; then
    echo "✅ API Health: OK"
else
    echo "❌ API Health: FAILED"
    exit 1
fi

ADMIN=$(curl -s https://api.argeict.net/api/admin/cf-accounts)
if echo "$ADMIN" | grep -q "success"; then
    echo "✅ Admin Endpoints: OK"
else
    echo "❌ Admin Endpoints: FAILED"
    exit 1
fi

echo ""
echo "╔══════════════════════════════════════════════════════════════╗"
echo "║              ✅ DEPLOYMENT SUCCESSFUL! ✅                    ║"
echo "╚══════════════════════════════════════════════════════════════╝"
echo ""
echo "🌐 URLs:"
echo "   Frontend:  https://argeict.net"
echo "   API:       https://api.argeict.net"
echo "   Gitea:     https://gitea.argeict.net"
echo ""
echo "📝 Next steps:"
echo "   - Test the new features in the admin panel"
echo "   - Check logs: ssh $HOST 'tail -f /var/log/hosting-backend.log'"
echo ""