#!/bin/bash
# Complete setup script for PHP CI image and runner registration
# This builds the CI image, loads it into docker-dind, and updates runner labels

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "$SCRIPT_DIR/../.." && pwd)"

echo "🚀 Setting up PHP CI Image for Gitea Runner"
echo ""

# Step 1: Build CI Image
echo "📦 Step 1: Building CI Docker Image..."
cd "$PROJECT_ROOT"
./deployment/gitea-runner/build-ci-image.sh

# Step 2: Load image into docker-dind
echo ""
echo "📥 Step 2: Loading image into docker-dind..."
IMAGE_NAME="php-ci:latest"
docker save "${IMAGE_NAME}" | docker exec -i gitea-runner-dind docker load

echo ""
echo "✅ Image loaded into docker-dind"
echo ""

# Step 3: Check current .env
echo "📋 Step 3: Checking runner configuration..."
cd "$SCRIPT_DIR"

if [ ! -f .env ]; then
  echo "⚠️  .env file not found, copying from .env.example"
  cp .env.example .env
  echo ""
  echo "⚠️  IMPORTANT: Please edit .env and add:"
  echo "   - GITEA_RUNNER_REGISTRATION_TOKEN"
  echo "   - Update GITEA_RUNNER_LABELS to include php-ci:docker://php-ci:latest"
  echo ""
  read -p "Press Enter after updating .env to continue..."
fi

# Check if php-ci label is already in .env
if grep -q "php-ci:docker://php-ci:latest" .env; then
  echo "✅ php-ci label already in .env"
else
  echo "⚠️  php-ci label not found in .env"
  echo ""
  read -p "Add php-ci label to GITEA_RUNNER_LABELS? (y/N) " -n 1 -r
  echo
  if [[ $REPLY =~ ^[Yy]$ ]]; then
    # Add php-ci to labels
    sed -i 's|GITEA_RUNNER_LABELS=\(.*\)|GITEA_RUNNER_LABELS=\1,php-ci:docker://php-ci:latest|' .env
    echo "✅ Added php-ci label to .env"
  fi
fi

# Step 4: Re-register runner
echo ""
echo "🔄 Step 4: Re-registering runner with new labels..."
read -p "Re-register runner now? This will unregister the current runner. (y/N) " -n 1 -r
echo
if [[ $REPLY =~ ^[Yy]$ ]]; then
  if [ -f ./unregister.sh ]; then
    ./unregister.sh
  fi
  
  if [ -f ./register.sh ]; then
    ./register.sh
  else
    echo "⚠️  register.sh not found, please register manually"
  fi
else
  echo ""
  echo "ℹ️  To register manually:"
  echo "   cd deployment/gitea-runner"
  echo "   ./unregister.sh"
  echo "   ./register.sh"
fi

echo ""
echo "✅ Setup complete!"
echo ""
echo "📝 Summary:"
echo "   - CI Image built: php-ci:latest"
echo "   - Image loaded into docker-dind"
echo "   - Runner labels updated (restart runner to apply)"
echo ""
echo "🎯 Next steps:"
echo "   1. Verify runner is registered with php-ci label in Gitea UI"
echo "   2. Test workflows using runs-on: php-ci"
echo ""