name: Deploy to Docker

on:
  workflow_dispatch:
    inputs:
      mode:
        description: 'Deployment mode'
        required: true
        default: 'multiuser'
        type: choice
        options:
          - solo
          - multiuser
          - enterprise
      dry_run:
        description: 'Perform dry-run (no actual deployment)'
        required: false
        default: 'false'
        type: choice
        options:
          - 'true'
          - 'false'
      environment:
        description: 'Target environment'
        required: true
        type: choice
        options:
          - development
          - staging
          - production
  workflow_run:
    workflows: [Validate & Build Artifacts]
    types: [completed]
    branches: [develop]

concurrency:
  group: docker-deployment-${{ github.ref }}
  cancel-in-progress: false

jobs:
  deploy-docker:
    name: Deploy ${{ inputs.mode || 'multiuser' }} to Docker
    runs-on: ubuntu-latest
    environment: ${{ inputs.environment || 'staging' }}
    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Download artifacts
        uses: actions/download-artifact@v4
        with:
          name: deployment-artifacts
          path: artifacts/

      - name: Install Nushell
        run: |
          cargo install nu --locked
          nu --version

      - name: Install Docker & Docker Compose
        run: |
          sudo apt-get update
          sudo apt-get install -y docker.io docker-compose
          docker --version
          docker compose --version

      - name: Create docker-compose directory
        run: |
          mkdir -p deploy/docker
          cp artifacts/docker-compose.yml deploy/docker/
          cp artifacts/vapora-${{ inputs.mode || 'multiuser' }}.yaml deploy/docker/config.yaml

      - name: Start Docker daemon
        run: sudo service docker start

      - name: Create Docker network
        run: |
          docker network create vapora || true
        continue-on-error: true

      - name: Pull base images
        run: |
          docker pull surrealdb/surrealdb:latest || true
          docker pull nats:latest || true
        continue-on-error: true

      - name: Validate Docker Compose
        run: |
          cd deploy/docker
          docker compose config > /dev/null
        continue-on-error: false

      - name: Perform dry-run
        if: ${{ inputs.dry_run == 'true' || github.event_name == 'workflow_run' }}
        run: |
          cd deploy/docker
          echo "🔍 Dry-run: Validating Docker Compose configuration"
          docker compose config
          docker compose --dry-run up --no-build 2>&1 || true
        continue-on-error: true

      - name: Deploy to Docker Compose
        if: ${{ inputs.dry_run == 'false' && github.event_name != 'workflow_run' }}
        run: |
          cd deploy/docker
          echo "🚀 Starting Docker Compose services..."
          docker compose up -d
          echo "⏳ Waiting for services to start (10s)..."
          sleep 10
          docker compose ps

      - name: Check service health (Docker)
        if: ${{ inputs.dry_run == 'false' && github.event_name != 'workflow_run' }}
        run: |
          echo "🏥 Checking service health..."

          # SurrealDB
          for i in {1..5}; do
            if curl -sf http://localhost:8000/health > /dev/null; then
              echo "✓ SurrealDB healthy"
              break
            fi
            echo "Attempt $i/5 for SurrealDB..."
            sleep 2
          done

          # Backend
          for i in {1..5}; do
            if curl -sf http://localhost:8001/health > /dev/null; then
              echo "✓ Backend healthy"
              break
            fi
            echo "Attempt $i/5 for Backend..."
            sleep 2
          done

          # Frontend
          for i in {1..5}; do
            if curl -sf http://localhost:3000 > /dev/null; then
              echo "✓ Frontend healthy"
              break
            fi
            echo "Attempt $i/5 for Frontend..."
            sleep 2
          done

      - name: Display deployment status
        if: always()
        run: |
          cd deploy/docker
          echo "📊 Container Status:"
          docker compose ps
          echo ""
          echo "📋 Service Logs (last 20 lines):"
          docker compose logs --tail=20

      - name: Save deployment details
        if: success()
        run: |
          cat > deploy/docker/DEPLOYMENT.md << 'EOF'
          # Docker Deployment Details

          **Deployment Time**: $(date -u +'%Y-%m-%dT%H:%M:%SZ')
          **Mode**: ${{ inputs.mode || 'multiuser' }}
          **Environment**: ${{ inputs.environment || 'staging' }}
          **Commit**: ${{ github.sha }}
          **Workflow Run**: ${{ github.server_url }}/${{ github.repository }}/actions/runs/${{ github.run_id }}

          ## Services

          ### Available Endpoints
          - **Backend API**: http://localhost:8001
          - **Health Check**: http://localhost:8001/health
          - **Frontend**: http://localhost:3000
          - **Agents**: http://localhost:8002
          - **LLM Router**: http://localhost:8003
          - **SurrealDB**: http://localhost:8000
          - **NATS**: nats://localhost:4222 (if enabled)
          - **Prometheus**: http://localhost:9090 (if enabled)

          ## Management Commands

          ### View logs
          ```bash
          docker compose -f docker-compose.yml logs -f
          docker compose logs backend
          ```

          ### Stop services
          ```bash
          docker compose down
          ```

          ### Restart service
          ```bash
          docker compose restart backend
          ```

          ### Check health
          ```bash
          curl http://localhost:8001/health
          ```

          ## Configuration

          - Mode: ${{ inputs.mode || 'multiuser' }}
          - Deployment Type: Docker Compose
          - Network: vapora (bridge)
          - Persistence: Named volumes (surrealdb_data, vapora_storage)

          EOF
          cat deploy/docker/DEPLOYMENT.md

      - name: Upload deployment logs
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: docker-deployment-logs-${{ github.run_id }}
          path: deploy/docker/
          retention-days: 30

      - name: Post deployment notification
        if: success()
        uses: actions/github-script@v7
        with:
          script: |
            const mode = '${{ inputs.mode || "multiuser" }}';
            const isDryRun = '${{ inputs.dry_run }}' === 'true';

            let message = `✅ **Docker deployment successful!**\n\n`;
            message += `**Mode**: ${mode}\n`;
            message += `**Dry-run**: ${isDryRun ? 'Yes' : 'No'}\n\n`;
            message += `**Services**:\n`;
            message += `- Backend: http://localhost:8001\n`;
            message += `- Frontend: http://localhost:3000\n`;
            message += `- Health: http://localhost:8001/health\n`;

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: message
            });

      - name: Notify Slack on success
        if: success()
        uses: 8398a7/action-slack@v3
        with:
          status: ${{ job.status }}
          text: |
            VAPORA Docker deployment successful!
            Mode: ${{ inputs.mode || 'multiuser' }}
            Environment: ${{ inputs.environment || 'staging' }}
          webhook_url: ${{ secrets.SLACK_WEBHOOK }}
          fields: repo,message,commit,author
        continue-on-error: true

      - name: Notify Slack on failure
        if: failure()
        uses: 8398a7/action-slack@v3
        with:
          status: ${{ job.status }}
          text: 'VAPORA Docker deployment failed'
          webhook_url: ${{ secrets.SLACK_WEBHOOK }}
          fields: repo,message,commit,author
        continue-on-error: true