name: Deploy CV Site to Production

on:
  push:
    branches:
      - main
  workflow_dispatch:
    inputs:
      skip_tests:
        description: 'Skip tests'
        required: false
        default: false
        type: boolean

env:
  GO_VERSION: '1.25'
  APP_NAME: 'cv-server'
  SERVICE_NAME: 'cv'
  DEPLOY_PATH: '/home/txeo/Git/yo/cv'
  HEALTH_URL: 'https://juan.andres.morenorub.io/health'

jobs:
  test:
    name: Run Tests
    runs-on: ubuntu-latest
    if: ${{ !inputs.skip_tests }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: true

      - name: Download dependencies
        run: go mod download

      - name: Run tests
        run: |
          go test -v -race -coverprofile=coverage.txt -covermode=atomic ./...

      - name: Upload coverage
        uses: codecov/codecov-action@v3
        with:
          file: ./coverage.txt
          fail_ci_if_error: false

  build:
    name: Build Application
    runs-on: ubuntu-latest
    needs: test
    if: always() && (needs.test.result == 'success' || needs.test.result == 'skipped')
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: ${{ env.GO_VERSION }}
          cache: true

      - name: Build binary
        run: |
          mkdir -p build
          CGO_ENABLED=0 GOOS=linux GOARCH=amd64 go build \
            -ldflags="-w -s -X main.version=${{ github.sha }}" \
            -o build/${{ env.APP_NAME }} \
            .

      - name: Compress binary
        run: |
          cd build
          tar -czf ${{ env.APP_NAME }}-${{ github.sha }}.tar.gz ${{ env.APP_NAME }}

      - name: Upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: cv-server-binary
          path: build/${{ env.APP_NAME }}-${{ github.sha }}.tar.gz
          retention-days: 30

  deploy:
    name: Deploy to Production
    runs-on: ubuntu-latest
    needs: build
    environment:
      name: production
      url: ${{ env.HEALTH_URL }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download artifact
        uses: actions/download-artifact@v4
        with:
          name: cv-server-binary
          path: ./build

      - name: Setup SSH
        run: |
          mkdir -p ~/.ssh
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/deploy_key
          chmod 600 ~/.ssh/deploy_key
          ssh-keyscan -p ${{ secrets.SSH_PORT || 22 }} ${{ secrets.SSH_HOST }} >> ~/.ssh/known_hosts

      - name: Deploy to Server
        env:
          SSH_KEY: ~/.ssh/deploy_key
          SSH_USER: ${{ secrets.SSH_USER }}
          SSH_HOST: ${{ secrets.SSH_HOST }}
          SSH_PORT: ${{ secrets.SSH_PORT || 22 }}
        run: |
          # Extract artifact
          cd build
          tar -xzf ${{ env.APP_NAME }}-${{ github.sha }}.tar.gz

          # Upload binary to server
          scp -i $SSH_KEY -P $SSH_PORT ${{ env.APP_NAME }} \
            $SSH_USER@$SSH_HOST:${{ env.DEPLOY_PATH }}/${{ env.APP_NAME }}.new

          # Upload deployment script
          scp -i $SSH_KEY -P $SSH_PORT ../scripts/deploy.sh \
            $SSH_USER@$SSH_HOST:${{ env.DEPLOY_PATH }}/

          # Sync static assets, templates, and data
          echo "📦 Syncing assets..."
          rsync -avz -e "ssh -i $SSH_KEY -p $SSH_PORT" \
            --exclude '.git' \
            --exclude 'build' \
            --exclude 'node_modules' \
            --exclude '.env' \
            ../static/ ../templates/ ../data/ \
            $SSH_USER@$SSH_HOST:${{ env.DEPLOY_PATH }}/ 2>/dev/null || echo "Note: Some directories may not exist"

          # Execute deployment on server
          ssh -i $SSH_KEY -p $SSH_PORT $SSH_USER@$SSH_HOST << 'ENDSSH'
            cd ${{ env.DEPLOY_PATH }}

            # Make scripts executable
            chmod +x deploy.sh 2>/dev/null || true
            chmod +x ${{ env.APP_NAME }}.new

            # Export environment for deploy script
            export DEPLOY_PATH="${{ env.DEPLOY_PATH }}"

            # Run deployment
            ./deploy.sh ${{ env.APP_NAME }} ${{ env.SERVICE_NAME }}
          ENDSSH

      - name: Health check
        run: |
          echo "Waiting for application to start..."
          sleep 10

          # Check service status
          ssh -i ~/.ssh/deploy_key -p ${{ secrets.SSH_PORT || 22 }} \
            ${{ secrets.SSH_USER }}@${{ secrets.SSH_HOST }} \
            "systemctl is-active ${{ env.SERVICE_NAME }}"

          # HTTP health check
          RESPONSE=$(curl -s -o /dev/null -w "%{http_code}" ${{ env.HEALTH_URL }})

          if [ "$RESPONSE" = "200" ]; then
            echo "✅ Health check passed (HTTP $RESPONSE)"
          else
            echo "❌ Health check failed (HTTP $RESPONSE)"
            exit 1
          fi

      - name: Send notification
        if: always()
        run: |
          if [ -z "${{ secrets.SLACK_WEBHOOK }}" ]; then
            echo "No Slack webhook configured, skipping notification"
            exit 0
          fi

          STATUS="${{ job.status }}"
          COLOR="good"
          if [ "$STATUS" != "success" ]; then
            COLOR="danger"
          fi

          curl -X POST "${{ secrets.SLACK_WEBHOOK }}" \
            -H "Content-Type: application/json" \
            -d "{
              \"attachments\": [{
                \"color\": \"$COLOR\",
                \"title\": \"CV Site Deployment $STATUS\",
                \"text\": \"Deployment to production completed\",
                \"fields\": [
                  {\"title\": \"Branch\", \"value\": \"${{ github.ref_name }}\", \"short\": true},
                  {\"title\": \"Commit\", \"value\": \"${{ github.sha }}\", \"short\": true},
                  {\"title\": \"Environment\", \"value\": \"production\", \"short\": true}
                ]
              }]
            }" || true

      - name: Cleanup SSH keys
        if: always()
        run: |
          rm -f ~/.ssh/deploy_key