#!/bin/bash

# Script to install and setup Forgejo Actions Runner
# This is required for Actions to run

set -e

SERVER_IP="147.45.152.129"
SERVER_USER="root"

echo "🚀 Installing Forgejo Actions Runner..."
echo ""
echo "⚠️  You will need a registration token from Forgejo Admin panel!"
echo "    Get it from: https://code.mnemo-cards.online/admin/actions/runners"
echo ""
read -p "Do you have the registration token ready? (y/n) " -n 1 -r
echo
if [[ ! $REPLY =~ ^[Yy]$ ]]; then
    echo "Please get the token first, then run this script again."
    exit 1
fi

read -p "Enter the registration token: " TOKEN

if [ -z "$TOKEN" ]; then
    echo "❌ Token cannot be empty!"
    exit 1
fi

echo ""
echo "📦 Installing runner on server..."

ssh "$SERVER_USER@$SERVER_IP" << EOF
    set -e
    
    echo "📥 Downloading act_runner..."
    cd /tmp
    wget -q --show-progress https://dl.gitea.com/act_runner/0.2.6/act_runner-0.2.6-linux-amd64 -O act_runner
    chmod +x act_runner
    mv act_runner /usr/local/bin/
    
    echo "✅ act_runner installed"
    act_runner --version
    
    echo ""
    echo "📝 Creating runner directory..."
    mkdir -p /var/lib/forgejo-runner
    cd /var/lib/forgejo-runner
    
    echo ""
    echo "🔐 Registering runner with token..."
    /usr/local/bin/act_runner register --no-interactive \\
        --instance https://code.mnemo-cards.online \\
        --token $TOKEN \\
        --name default-runner \\
        --labels ubuntu-latest:docker://node:16-bullseye,ubuntu-22.04:docker://node:16-bullseye
    
    echo ""
    echo "⚙️  Creating systemd service..."
    cat > /etc/systemd/system/forgejo-runner.service << 'SERVICE'
[Unit]
Description=Forgejo Actions Runner
After=network.target
Wants=network.target

[Service]
Type=simple
User=root
WorkingDirectory=/var/lib/forgejo-runner
ExecStart=/usr/local/bin/act_runner daemon --config /var/lib/forgejo-runner/.runner
Restart=always
RestartSec=5
StandardOutput=journal
StandardError=journal

[Install]
WantedBy=multi-user.target
SERVICE
    
    echo ""
    echo "🔄 Enabling and starting service..."
    systemctl daemon-reload
    systemctl enable forgejo-runner
    systemctl start forgejo-runner
    
    echo ""
    echo "✅ Runner setup complete!"
    echo ""
    echo "📊 Status:"
    systemctl status forgejo-runner --no-pager -l || true
    
    echo ""
    echo "📝 Runner logs (last 20 lines):"
    journalctl -u forgejo-runner -n 20 --no-pager || true
    
EOF

echo ""
echo "✅ Done! Forgejo Actions Runner is now running!"
echo ""
echo "🔍 Check runner status:"
echo "   ssh root@$SERVER_IP 'systemctl status forgejo-runner'"
echo ""
echo "📝 View logs:"
echo "   ssh root@$SERVER_IP 'journalctl -u forgejo-runner -f'"
echo ""
echo "🌐 Verify in Forgejo:"
echo "   https://code.mnemo-cards.online/admin/actions/runners"
echo "   You should see 'default-runner' online"