name: Build & Deploy SimO

on:
  push:
    branches:
      - main
      - master
    paths:
      - 'src/**'
      - 'package.json'
      - 'package-lock.json'
      - 'tailwind.config.ts'
      - 'next.config.mjs'
      - 'postcss.config.js'
      - 'tsconfig.json'
      - 'Dockerfile'
      - 'nginx.conf'
      - 'docker-stack.yml'
      - '.gitea/workflows/deploy.yml'
  workflow_dispatch:

env:
  IMAGE_NAME: simo/web

jobs:
  build-and-deploy:
    name: 🏗️ Build & Deploy
    runs-on: ubuntu-latest
    steps:
      - name: 📥 Checkout code
        uses: https://github.com/actions/checkout@v4

      - name: 🔍 Debug - Check secrets
        run: |
          echo "SWARM_MANAGER_HOST length: ${#SWARM_MANAGER_HOST}"
          echo "SWARM_USER length: ${#SWARM_USER}"
          echo "SWARM_SSH_KEY length: ${#SWARM_SSH_KEY}"
          if [ -z "$SWARM_MANAGER_HOST" ]; then echo "❌ SWARM_MANAGER_HOST is empty!"; fi
          if [ -z "$SWARM_USER" ]; then echo "❌ SWARM_USER is empty!"; fi
          if [ -z "$SWARM_SSH_KEY" ]; then echo "❌ SWARM_SSH_KEY is empty!"; fi
        env:
          SWARM_MANAGER_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
          SWARM_USER: ${{ secrets.SWARM_USER }}
          SWARM_SSH_KEY: ${{ secrets.SWARM_SSH_KEY }}

      - name: 🔐 Setup SSH
        env:
          SSH_KEY: ${{ secrets.SWARM_SSH_KEY }}
          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
        run: |
          mkdir -p ~/.ssh
          echo "$SSH_KEY" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -H $SSH_HOST >> ~/.ssh/known_hosts

      - name: 📦 Copy source to server
        env:
          SSH_USER: ${{ secrets.SWARM_USER }}
          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
        run: |
          tar -czf /tmp/source.tar.gz \
            --exclude='node_modules' \
            --exclude='.next' \
            --exclude='out' \
            --exclude='.git' \
            .
          scp -i ~/.ssh/deploy_key /tmp/source.tar.gz "$SSH_USER@$SSH_HOST":/tmp/simo-source.tar.gz
          echo "✅ Source copied"

      - name: 🐳 Build Docker Image
        env:
          SSH_USER: ${{ secrets.SWARM_USER }}
          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
        run: |
          COMMIT_SHA=$(git rev-parse --short HEAD)
          echo "📌 Commit: $COMMIT_SHA"

          ssh -i ~/.ssh/deploy_key ${SSH_USER}@${SSH_HOST} << ENDSSH
            set -e
            mkdir -p /tmp/simo-build
            cd /tmp/simo-build
            rm -rf *
            tar -xzf /tmp/simo-source.tar.gz

            echo "🐳 Building image: simo/web:$COMMIT_SHA"
            docker build -t simo/web:$COMMIT_SHA \
                         -t simo/web:latest .

            echo "🧹 Cleaning old images..."
            docker image prune -f

            echo "✅ Image built: simo/web:$COMMIT_SHA"
          ENDSSH

      - name: 🚀 Deploy to Swarm
        env:
          SSH_USER: ${{ secrets.SWARM_USER }}
          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
        run: |
          COMMIT_SHA=$(git rev-parse --short HEAD)

          scp -i ~/.ssh/deploy_key ./docker-stack.yml ${SSH_USER}@${SSH_HOST}:/tmp/simo-stack.yml

          ssh -i ~/.ssh/deploy_key ${SSH_USER}@${SSH_HOST} << ENDSSH
            set -e

            echo "🚀 Deploying stack..."
            IMAGE_TAG=$COMMIT_SHA docker stack deploy -c /tmp/simo-stack.yml simo

            echo "🔄 Forcing service update..."
            docker service update --force --image simo/web:$COMMIT_SHA simo_web

            echo "⏳ Waiting for service to stabilize..."
            sleep 10

            echo "📊 Service status:"
            docker service ls --filter name=simo
            docker service ps simo_web --no-trunc

            echo "✅ Deployment complete!"
          ENDSSH

      - name: 🏥 Health Check
        env:
          SSH_USER: ${{ secrets.SWARM_USER }}
          SSH_HOST: ${{ secrets.SWARM_MANAGER_HOST }}
        run: |
          ssh -i ~/.ssh/deploy_key ${SSH_USER}@${SSH_HOST} << ENDSSH
            echo "🏥 Running health check..."

            for i in 1 2 3 4 5 6 7 8 9 10; do
              STATUS=\$(curl -sf -o /dev/null -w "%{http_code}" https://simo.antopoid.com/ 2>/dev/null || echo "000")
              if [ "\$STATUS" = "200" ]; then
                echo "✅ SimO is live! (HTTP \$STATUS)"
                echo "🌐 https://simo.antopoid.com"
                exit 0
              fi
              echo "⏳ Waiting for SimO... (\$i/10) — HTTP \$STATUS"
              sleep 5
            done

            echo "❌ Health check failed!"
            echo ""
            echo "📋 Service logs:"
            docker service logs simo_web --tail 50
            echo ""
            echo "📊 Service tasks:"
            docker service ps simo_web --no-trunc
            exit 1
          ENDSSH

      - name: 🧹 Cleanup
        if: always()
        run: |
          rm -f ~/.ssh/deploy_key
          echo "✅ Pipeline finished!"