name: frontend-ci

on:
  push:
    branches: ["**"]
  pull_request:

jobs:
  lint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: package-lock.json
      - run: npm ci
      - run: npx eslint .

  typecheck:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 22
          cache: npm
          cache-dependency-path: package-lock.json
      - run: npm ci
      - run: npx tsc -b

  secrets-scan:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Install and run gitleaks
        run: |
          GL_VERSION=8.18.4
          curl -sSL "https://github.com/gitleaks/gitleaks/releases/download/v${GL_VERSION}/gitleaks_${GL_VERSION}_linux_x64.tar.gz" \
            | tar xz -C /tmp gitleaks
          /tmp/gitleaks detect --redact --no-banner --verbose --source .

  sast:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: returntocorp/semgrep-action@v1
        with:
          config: "p/auto"

  fs-scan:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Install and run Trivy (filesystem)
        run: |
          TRIVY_VERSION=0.70.0
          curl -sSL "https://github.com/aquasecurity/trivy/releases/download/v${TRIVY_VERSION}/trivy_${TRIVY_VERSION}_Linux-64bit.tar.gz" \
            | tar xz -C /tmp trivy
          /tmp/trivy fs --severity HIGH,CRITICAL --exit-code 1 --ignore-unfixed --no-progress .

  build:
    runs-on: ubuntu-latest
    needs: [lint, typecheck]
    steps:
      - uses: actions/checkout@v4
      - uses: docker/setup-buildx-action@v3
      - uses: docker/build-push-action@v5
        with:
          context: .
          file: Dockerfile
          target: production
          tags: movieloop-frontend:ci-${{ github.sha }}
          load: true
      - name: Install and run Trivy (image)
        run: |
          TRIVY_VERSION=0.70.0
          curl -sSL "https://github.com/aquasecurity/trivy/releases/download/v${TRIVY_VERSION}/trivy_${TRIVY_VERSION}_Linux-64bit.tar.gz" \
            | tar xz -C /tmp trivy
          /tmp/trivy image --severity HIGH,CRITICAL --exit-code 1 --ignore-unfixed --no-progress \
            movieloop-frontend:ci-${{ github.sha }}

  push:
    runs-on: ubuntu-latest
    needs: [build, secrets-scan, sast, fs-scan]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    env:
      HARBOR_HOST: ${{ secrets.HARBOR_HOST }}
      HARBOR_PROJECT: movieloop
      IMAGE_NAME: frontend
    steps:
      - uses: actions/checkout@v4
        with:
          # Need full history so the back-pushed git tag can be created against
          # the right commit, and so token-auth on push to origin works.
          fetch-depth: 0
      - uses: docker/setup-buildx-action@v3

      - name: Compute tag inputs
        run: |
          SHA_SHORT=$(git rev-parse --short HEAD)
          VERSION=$(jq -r .version package.json)
          echo "SHA_SHORT=${SHA_SHORT}" >> "$GITHUB_ENV"
          echo "VERSION=${VERSION}"     >> "$GITHUB_ENV"

      - name: Refuse to overwrite an existing version tag in Harbor
        env:
          HARBOR_USERNAME: ${{ secrets.MOVIELOOP_USERNAME }}
          HARBOR_PASSWORD: ${{ secrets.MOVIELOOP_PASSWORD }}
        run: |
          set -eu
          url="https://${HARBOR_HOST}/api/v2.0/projects/${HARBOR_PROJECT}/repositories/${IMAGE_NAME}/artifacts/${VERSION}/tags"
          code=$(curl -s -o /dev/null -w "%{http_code}" -u "${HARBOR_USERNAME}:${HARBOR_PASSWORD}" "${url}")
          if [ "$code" = "200" ]; then
            echo "::error::Tag ${HARBOR_PROJECT}/${IMAGE_NAME}:${VERSION} already exists in Harbor. Bump package.json before merging."
            exit 1
          fi
          if [ "$code" != "404" ]; then
            echo "::warning::Unexpected status ${code} checking ${url} — proceeding."
          fi

      - name: Log in to Harbor
        env:
          HARBOR_USERNAME: ${{ secrets.MOVIELOOP_USERNAME }}
          HARBOR_PASSWORD: ${{ secrets.MOVIELOOP_PASSWORD }}
        run: |
          echo "${HARBOR_PASSWORD}" | docker login "${HARBOR_HOST}" -u "${HARBOR_USERNAME}" --password-stdin

      - name: Build, tag, and push image
        run: |
          set -eu
          REPO="${HARBOR_HOST}/${HARBOR_PROJECT}/${IMAGE_NAME}"
          docker buildx build --load --target production -t movieloop-${IMAGE_NAME}:${SHA_SHORT} -f Dockerfile .
          docker tag  movieloop-${IMAGE_NAME}:${SHA_SHORT} ${REPO}:${VERSION}
          docker tag  movieloop-${IMAGE_NAME}:${SHA_SHORT} ${REPO}:${SHA_SHORT}
          docker tag  movieloop-${IMAGE_NAME}:${SHA_SHORT} ${REPO}:latest
          docker push ${REPO}:${VERSION}
          docker push ${REPO}:${SHA_SHORT}
          docker push ${REPO}:latest

      - name: Install cosign
        run: |
          curl -fsSL "https://github.com/sigstore/cosign/releases/download/v2.4.1/cosign-linux-amd64" \
            -o /usr/local/bin/cosign
          chmod +x /usr/local/bin/cosign
          cosign version

      - name: Sign image with cosign
        env:
          COSIGN_KEY: ${{ secrets.COSIGN_PRIVATE_KEY }}
          COSIGN_PASSWORD: ${{ secrets.COSIGN_PASSWORD }}
        run: |
          set -eu
          # Sign by SHA tag — cosign resolves to the underlying digest, so a
          # single signature covers every tag pointing at the same digest
          # (version, sha, latest). Harbor looks up signatures by digest.
          # Reuses the docker login from earlier in this job for registry auth.
          cosign sign --key env://COSIGN_KEY --yes \
            "${HARBOR_HOST}/${HARBOR_PROJECT}/${IMAGE_NAME}:${SHA_SHORT}"

      - name: Push back git tag
        env:
          # Auto-injected per-run token; has push permission to this repo.
          GITEA_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          set -eu
          git config user.name  "gitea-actions[bot]"
          git config user.email "gitea-actions[bot]@tehriehldeal.com"
          git tag "v${VERSION}" -m "${IMAGE_NAME} v${VERSION}" 2>/dev/null || true
          ORIGIN="$(git remote get-url origin | sed -E "s#https?://([^/]+)#https://${GITEA_TOKEN}@\1#")"
          # A failed tag push shouldn't undo a successful image push — log
          # and proceed so we don't poison subsequent retries.
          git push "$ORIGIN" --tags || echo "::warning::Tag push to origin failed — image is pushed; create the tag manually if needed."

      - name: Log out of Harbor
        if: always()
        run: docker logout "${HARBOR_HOST}" || true