name: Nightly Build & Package
on:
  push:
    branches:
      - nightly
  schedule:
    # Daily at 09:00 UTC (4am EST / 5am EDT)
    - cron: '0 9 * * *'
  workflow_dispatch:

env:
  REGISTRY: ghcr.io
  IMAGE_NAME: ${{ github.repository }}

jobs:
  build-and-push-nightly:
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
      id-token: write
    outputs:
      version: ${{ steps.meta.outputs.version }}
      tags: ${{ steps.meta.outputs.tags }}
      digest: ${{ steps.build.outputs.digest }}

    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
        with:
          fetch-depth: 0

      - name: Set up QEMU
        uses: docker/setup-qemu-action@49b3bc8e6bdd4a60e6116a5414239cba5943d3cf  # v3.2.0

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@c47758b77c9736f4b2ef4073d4d51994fabfe349  # v3.7.1

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567  # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@8e5442c4ef9f78752691e2d8f8d19755c6f78e81  # v5.5.1
        with:
          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
          tags: |
            type=raw,value=nightly
            type=raw,value=nightly-{{date 'YYYY-MM-DD'}}
            type=sha,prefix=nightly-,format=short
          labels: |
            org.opencontainers.image.title=Charon Nightly
            org.opencontainers.image.description=Nightly build of Charon

      - name: Build and push Docker image
        id: build
        uses: docker/build-push-action@4f58ea79222b3b9dc2c8bbdd6debcef730109a75  # v6.9.0
        with:
          context: .
          platforms: linux/amd64,linux/arm64
          push: true
          tags: ${{ steps.meta.outputs.tags }}
          labels: ${{ steps.meta.outputs.labels }}
          build-args: |
            VERSION=nightly-${{ github.sha }}
          cache-from: type=gha
          cache-to: type=gha,mode=max
          provenance: true
          sbom: true

      - name: Generate SBOM
        uses: anchore/sbom-action@99c98a8d93295c87a56f582070a01cd96fc2db1d  # v0.21.1
        with:
          image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly
          format: cyclonedx-json
          output-file: sbom-nightly.json

      - name: Upload SBOM artifact
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f  # v6.0.0
        with:
          name: sbom-nightly
          path: sbom-nightly.json
          retention-days: 30

  test-nightly-image:
    needs: build-and-push-nightly
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: read

    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567  # v3.3.0
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Pull nightly image
        run: docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly

      - name: Run container smoke test
        run: |
          docker run --name charon-nightly -d \
            -p 8080:8080 \
            ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly

          # Wait for container to start
          sleep 10

          # Check container is running
          docker ps | grep charon-nightly

          # Basic health check
          curl -f http://localhost:8080/health || exit 1

          # Cleanup
          docker stop charon-nightly
          docker rm charon-nightly

  build-nightly-release:
    needs: test-nightly-image
    runs-on: ubuntu-latest
    permissions:
      contents: read

    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2
        with:
          fetch-depth: 0

      - name: Set up Go
        uses: actions/setup-go@41dfa10bad2bb2ae585af6ee5bb4d7d973ad74ed  # v5.1.0
        with:
          go-version: '1.23'

      - name: Set up Node.js
        uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af  # v4.1.0
        with:
          node-version: '20'

      - name: Set up Zig (for cross-compilation)
        uses: goto-bus-stop/setup-zig@abea47f85e598557f500fa1fd2ab7464fcb39406  # v2.2.1
        with:
          version: 0.11.0

      - name: Build frontend
        working-directory: ./frontend
        run: |
          npm ci
          npm run build

      - name: Run GoReleaser (snapshot mode)
        uses: goreleaser/goreleaser-action@9ed2f89a662bf1735a48bc8557fd212fa902bebf  # v6.1.0
        with:
          distribution: goreleaser
          version: '~> v2'
          args: release --snapshot --skip=publish --clean
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: Upload nightly binaries
        uses: actions/upload-artifact@b7c566a772e6b6bfb58ed0dc250532a479d7789f  # v6.0.0
        with:
          name: nightly-binaries
          path: dist/*
          retention-days: 30

  verify-nightly-supply-chain:
    needs: build-and-push-nightly
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: read
      security-events: write

    steps:
      - name: Checkout code
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683  # v4.2.2

      - name: Download SBOM
        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16  # v4.1.8
        with:
          name: sbom-nightly

      - name: Scan with Grype
        uses: anchore/scan-action@1638637db639e0ade3258b51db49a9a137574c3e  # v6.5.1
        with:
          sbom: sbom-nightly.json
          fail-build: false
          severity-cutoff: high

      - name: Scan with Trivy
        uses: aquasecurity/trivy-action@915b19bbe73b92a6cf82a1bc12b087c9a19a5fe2  # 0.28.0
        with:
          image-ref: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:nightly
          format: 'sarif'
          output: 'trivy-nightly.sarif'

      - name: Upload Trivy results
        uses: github/codeql-action/upload-sarif@1f1223ea5cb211a8eeff76efc05e03f79c7fc6b1  # v3.28.2
        with:
          sarif_file: 'trivy-nightly.sarif'
          category: 'trivy-nightly'

      - name: Check for critical CVEs
        run: |
          if grep -q "CRITICAL" trivy-nightly.sarif; then
            echo "❌ Critical vulnerabilities found in nightly build"
            exit 1
          fi
          echo "✅ No critical vulnerabilities found"