name: Deploy to Production
run-name: 🚀 Deploy ${{ inputs.bump_version || 'patch' }} by @${{ gitea.actor }}

# ───────────────────────────────────────────────────
# Trigger: automatic after CI success, or manual dispatch.
# Runner: uses ubuntu-latest label (consistently present on
#   runner id=5: linux,dotnet,node,deploy,ubuntu-latest,…).
#   Standard labels avoid custom-label matching edge cases.
# ───────────────────────────────────────────────────
on:
  workflow_run:
    workflows: ["CI - Build & Test"]
    types: [completed]
    branches: [main]
  workflow_dispatch:
    inputs:
      bump_version:
        description: 'Version bump (Major=x.0.0, Minor=1.x.0 features, Patch=1.0.x fixes)'
        required: false
        default: 'patch'
        type: string
        options:
          - 'patch'
          - 'minor'
          - 'major'
      service:
        description: 'Service to deploy (empty = all)'
        required: false
        default: ''
        type: string
      no_cache:
        description: 'Disable build cache'
        required: false
        default: false
        type: boolean

jobs:
  deploy:
    name: Deploy Nexus
    runs-on: ubuntu-latest
    if: ${{ gitea.event_name != 'workflow_run' || gitea.event.workflow_run.conclusion == 'success' }}
    steps:
      # ── Step 1: Checkout ─────────────────────
      - name: Checkout latest code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          fetch-tags: true

      # ── Step 2: Version bump (race-free) ─────
      # Derives current version from git tags (not VERSION file) to
      # avoid race conditions where tag exists but VERSION is stale.
      # Uses --force on tag+push to handle retries after failed runs.
      - name: Version Bump
        run: |
          set -euo pipefail

          # Source of truth: latest git tag
          TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "v0.0.0")
          CURRENT_VERSION="${TAG#v}"
          echo "📦 Current version (from git tags): $CURRENT_VERSION"

          MAJOR=$(echo "$CURRENT_VERSION" | cut -d. -f1)
          MINOR=$(echo "$CURRENT_VERSION" | cut -d. -f2)
          PATCH=$(echo "$CURRENT_VERSION" | cut -d. -f3)

          case "${{ inputs.bump_version }}" in
            major)
              MAJOR=$((MAJOR + 1)); MINOR=0; PATCH=0 ;;
            minor)
              MINOR=$((MINOR + 1)); PATCH=0 ;;
            patch|*)
              PATCH=$((PATCH + 1)) ;;
          esac

          NEW_VERSION="${MAJOR}.${MINOR}.${PATCH}"
          echo "🏷️  New version: $NEW_VERSION"
          echo "$NEW_VERSION" > VERSION

          git config user.email "devops@noveria.net"
          git config user.name "DevOps"
          git add VERSION
          git commit -m "chore: bump version to v${NEW_VERSION} [skip ci]"

          # --force avoids "tag already exists" when re-running after a failed attempt
          git tag -f "v${NEW_VERSION}"
          git push "https://devops:${{ secrets.GIT_TOKEN }}@git.noveria.net/bao/nexus.git" HEAD:main --force --tags
          echo "✅ Version bumped to v${NEW_VERSION}"

      # ── Step 3: Provision .env on host ────────
      # The sync step excludes .env for security, so we re-create it
      # from Gitea secrets at the host deploy path BEFORE syncing code.
      - name: Create .env on host
        run: |
          cat > /opt/openclaw/data/openclaw/workspace/nexus/.env << 'ENVEOF'
          # Nexus Production Environment — auto-generated by CD pipeline
          # Managed via Gitea secrets → do not edit manually on the host

          POSTGRES_DB=nexus
          POSTGRES_USER=nexus
          POSTGRES_PASSWORD=${{ secrets.ENV_POSTGRES_PASSWORD }}

          JWT_KEY=${{ secrets.ENV_JWT_KEY }}
          JWT_ISSUER=nexus
          JWT_AUDIENCE=nexus-web

          OWNER_EMAIL=vmbao62@hotmail.de
          OWNER_PASSWORD=${{ secrets.ENV_OWNER_PASSWORD }}
          OWNER_DISPLAY_NAME=

          OPENCLAW_BASE_URL=http://host.docker.internal:18789
          OPENCLAW_GATEWAY_TOKEN=${{ secrets.ENV_OPENCLAW_TOKEN }}
          OPENCLAW_GATEWAY_PASSWORD=
          ENVEOF
          echo "✅ .env created at host deploy path"

      # ── Step 4: Sync code to host ─────────────
      - name: Sync code to host deploy path
        run: |
          docker run --rm \
            -v "${{ gitea.workspace }}:/src:ro" \
            -v /opt/openclaw/data/openclaw/workspace/nexus:/dest \
            alpine:latest \
            sh -c "
              cd /src && \
              find . -mindepth 1 -maxdepth 1 \
                ! -name .git \
                ! -name .env \
                -exec cp -a {} /dest/ \;
            "

      # ── Step 5: Docker Buildx ─────────────────
      - name: Set up Docker Buildx
        run: docker buildx create --use 2>/dev/null || true

      # ── Step 6: Build & Deploy ────────────────
      - name: Build & Deploy
        run: |
          BUILD_ARGS=""
          if [ "${{ inputs.no_cache }}" = "true" ]; then
            BUILD_ARGS="--no-cache"
          fi

          docker run --rm \
            -v /opt/openclaw/data/openclaw/workspace/nexus:/workspace/nexus \
            -v /var/run/docker.sock:/var/run/docker.sock \
            -w /workspace/nexus \
            docker:cli \
            sh -c "
              set -e
              if [ -n '\${{ inputs.service }}' ]; then
                echo '🚀 Deploying service: \${{ inputs.service }}'
                docker compose build \$BUILD_ARGS \${{ inputs.service }}
                docker compose up -d --force-recreate \${{ inputs.service }}
              else
                echo '🚀 Deploying all services'
                docker compose build \$BUILD_ARGS
                docker compose up -d --force-recreate
              fi
            "

      # ── Step 7: Health Check ──────────────────
      - name: Health Check
        run: |
          sleep 5
          echo "🏥 Health check..."
          for i in 1 2 3 4 5 6; do
            if curl -sf --max-time 10 https://nexus.noveria.net/health; then
              echo ""
              echo "✅ Health check passed"
              break
            fi
            echo "⏳ Retry $i/6..."
            sleep 5
          done

      # ── Step 8: Smoke test ────────────────────
      - name: Verify (smoke test)
        run: |
          echo "🔍 Smoke test..."
          HTTP_CODE=$(curl -s -o /dev/null -w "%{http_code}" https://nexus.noveria.net/dashboard)
          echo "Dashboard: HTTP $HTTP_CODE"
          if [ "$HTTP_CODE" != "200" ]; then
            echo "❌ Dashboard not reachable!"
            exit 1
          fi
          echo "✅ Deployment verified"