name: Release

on:
  workflow_dispatch:

permissions: {}

jobs:
  release:
    name: Semantic Release
    runs-on: ubuntu-latest
    permissions:
      contents: write
      issues: write
      pull-requests: write
    outputs:
      new_version: ${{ steps.check.outputs.version }}
    steps:
      - name: Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0
          persist-credentials: false

      - uses: ./.github/actions/setup

      - name: Save release notes
        id: notes
        run: |
          if [ -f .release-notes.md ]; then
            cp .release-notes.md /tmp/release-notes.md
            echo "has_notes=true" >> "$GITHUB_OUTPUT"
            echo "Custom release notes found -- will apply after release."
          else
            echo "No .release-notes.md found -- using default release notes."
          fi

      - name: Run semantic-release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: npx semantic-release

      - name: Check for new release
        id: check
        run: |
          if [ -f .release-version ]; then
            echo "version=$(cat .release-version)" >> "$GITHUB_OUTPUT"
          else
            # semantic-release found no new commits — tag already exists from a
            # previous run. Fall back to the latest git tag so the Docker build
            # jobs still run (useful when re-triggering after a push failure).
            latest=$(git describe --tags --abbrev=0 2>/dev/null | sed 's/^v//')
            if [ -n "$latest" ]; then
              echo "version=$latest" >> "$GITHUB_OUTPUT"
              echo "Re-using existing tag v${latest} for Docker build."
            else
              echo "::error::semantic-release did not produce a new version. No releasable commits found."
              exit 1
            fi
          fi

      - name: Update GitHub release notes
        if: steps.notes.outputs.has_notes == 'true' && steps.check.outputs.version
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          echo "Updating release v${{ steps.check.outputs.version }} with custom notes..."
          gh release edit "v${{ steps.check.outputs.version }}" \
            --notes-file /tmp/release-notes.md
          echo "Release notes updated successfully."

      - name: Update docs changelog
        if: steps.notes.outputs.has_notes == 'true' && steps.check.outputs.version
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          VERSION: ${{ steps.check.outputs.version }}
        run: |
          CHANGELOG="apps/docs/changelog.md"
          if [ ! -f "$CHANGELOG" ]; then
            echo "No docs changelog found, skipping."
            exit 0
          fi
          NOTES="/tmp/release-notes.md"
          # Build the new entry: ## vX.Y.Z header + release notes body (skip the first ## Highlights/Upgrade sections wrapper)
          {
            echo ""
            echo "## v${VERSION}"
            echo ""
            # Strip the ## Highlights header and ## Upgrade section, keep the rest
            sed '1{/^## Highlights$/d}' "$NOTES" | sed '/^## Upgrade$/,/^---$/d' | sed '/^---$/d'
            echo ""
            echo "[Full diff on GitHub](https://github.com/snapotter-hq/SnapOtter/compare/v$(git tag --sort=-v:refname | grep -E '^v[0-9]' | sed -n '2p' | sed 's/^v//')...v${VERSION})"
            echo ""
            echo "---"
            echo ""
          } > /tmp/changelog-entry.md
          # Insert after the "# Changelog" header
          sed -i '/^# Changelog$/r /tmp/changelog-entry.md' "$CHANGELOG"
          # Commit and push
          git config user.name "SnapOtter"
          git config user.email "snapotter.hq@gmail.com"
          git add "$CHANGELOG"
          git commit -m "docs: update changelog for v${VERSION}" || true
          git push origin HEAD:main || true
          echo "Docs changelog updated for v${VERSION}."

  prebuilt:
    name: Archive (${{ matrix.arch }})
    needs: release
    if: needs.release.outputs.new_version
    permissions:
      contents: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - runner: ubuntu-latest
            arch: amd64
          - runner: ubuntu-24.04-arm
            arch: arm64
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Checkout release tag
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          ref: v${{ needs.release.outputs.new_version }}

      - uses: ./.github/actions/setup

      - name: Build web frontend
        run: pnpm --filter @snapotter/web build

      - name: Prune to production dependencies
        run: |
          rm -rf node_modules apps/*/node_modules packages/*/node_modules
          npm pkg delete scripts.prepare
          pnpm install --prod --frozen-lockfile

      - name: Create archive
        env:
          VERSION: ${{ needs.release.outputs.new_version }}
          ARCH: ${{ matrix.arch }}
        run: |
          rm -rf apps/web/src apps/web/public apps/web/index.html apps/web/tsconfig.json
          rm -rf apps/landing apps/docs apps/demo
          rm -rf tests .husky scripts
          rm -rf .releaserc.json biome.json .editorconfig .gitattributes
          rm -f CHANGELOG.md README.md CONTRIBUTING.md SECURITY.md

          ARCHIVE_NAME="snapotter-v${VERSION}-linux-${ARCH}.tar.gz"
          cd ..
          mv SnapOtter snapotter
          tar czf "/tmp/${ARCHIVE_NAME}" --exclude='.git' --exclude='.github' --exclude='.gitignore' snapotter/
          mv snapotter SnapOtter
          cd SnapOtter

          echo "archive_name=${ARCHIVE_NAME}" >> "$GITHUB_ENV"
          echo "Archive: ${ARCHIVE_NAME} ($(du -sh /tmp/${ARCHIVE_NAME} | cut -f1))"

      - name: Generate checksum
        run: cd /tmp && sha256sum "${archive_name}" > "${archive_name}.sha256"

      - name: Upload to GitHub Release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          VERSION: ${{ needs.release.outputs.new_version }}
        run: gh release upload "v${VERSION}" "/tmp/${archive_name}" "/tmp/${archive_name}.sha256" --clobber --repo snapotter-hq/SnapOtter

  docker:
    name: Build (${{ matrix.platform }})
    needs: release
    permissions:
      contents: read
      packages: write
    strategy:
      fail-fast: false
      matrix:
        include:
          - platform: linux/amd64
            runner: ubuntu-latest
          - platform: linux/arm64
            runner: ubuntu-24.04-arm
    runs-on: ${{ matrix.runner }}
    steps:
      - name: Free disk space
        run: |
          sudo rm -rf /usr/share/dotnet /usr/local/lib/android /opt/ghc \
            /usr/local/share/boost /opt/hostedtoolcache/CodeQL
          sudo docker system prune -af
          df -h /

      - name: Prepare
        run: |
          platform=${{ matrix.platform }}
          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV

      - name: Checkout release tag
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          ref: v${{ needs.release.outputs.new_version }}

      - name: Set up Docker Buildx
        uses: docker/setup-buildx-action@d7f5e7f509e45cec5c76c4d5afdd7de93d0b3df5 # v4.1.0

      - name: Log in to Docker Hub
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@80c7e94dd9b9319bd5eb7a0e0fe9291e23a2a2e9 # v6.1.0
        with:
          images: |
            snapotter/snapotter
            ghcr.io/snapotter-hq/snapotter

      - name: Build and push by digest
        id: build
        uses: docker/build-push-action@f9f3042f7e2789586610d6e8b85c8f03e5195baf # v7.2.0
        with:
          context: .
          file: docker/Dockerfile
          platforms: ${{ matrix.platform }}
          labels: ${{ steps.meta.outputs.labels }}
          outputs: type=image,"name=snapotter/snapotter,ghcr.io/snapotter-hq/snapotter",push-by-digest=true,name-canonical=true,push=true
          cache-from: type=registry,ref=ghcr.io/snapotter-hq/snapotter:cache-${{ env.PLATFORM_PAIR }}
          cache-to: type=registry,ref=ghcr.io/snapotter-hq/snapotter:cache-${{ env.PLATFORM_PAIR }},mode=max

      - name: Export digest
        run: |
          mkdir -p /tmp/digests
          digest="${{ steps.build.outputs.digest }}"
          touch "/tmp/digests/${digest#sha256:}"

      - name: Upload digest
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: digests-${{ env.PLATFORM_PAIR }}
          path: /tmp/digests/*
          if-no-files-found: error
          retention-days: 1

  scan:
    name: Trivy Container Scan
    needs: [release, docker]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: read
      security-events: write
    steps:
      - name: Download amd64 digest
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          name: digests-linux-amd64
          path: /tmp/digests

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Get digest
        id: digest
        run: |
          sha=$(ls /tmp/digests | head -1)
          echo "sha=$sha" >> "$GITHUB_OUTPUT"

      - name: Run Trivy vulnerability scanner
        uses: aquasecurity/trivy-action@ed142fd0673e97e23eac54620cfb913e5ce36c25 # v0.36.0
        with:
          image-ref: "ghcr.io/snapotter-hq/snapotter@sha256:${{ steps.digest.outputs.sha }}"
          format: "table"
          exit-code: "0"
          ignore-unfixed: true
          severity: "CRITICAL,HIGH"

      - name: Upload results to GitHub Security
        if: always()
        uses: aquasecurity/trivy-action@ed142fd0673e97e23eac54620cfb913e5ce36c25 # v0.36.0
        with:
          image-ref: "ghcr.io/snapotter-hq/snapotter@sha256:${{ steps.digest.outputs.sha }}"
          format: "sarif"
          output: "trivy-results.sarif"
          ignore-unfixed: true
          severity: "CRITICAL,HIGH"

      - name: Upload SARIF
        uses: github/codeql-action/upload-sarif@7211b7c8077ea37d8641b6271f6a365a22a5fbfa # v3
        if: always()
        with:
          sarif_file: "trivy-results.sarif"

  manifest:
    name: Create Multi-Arch Manifests
    needs: [release, docker]
    runs-on: ubuntu-latest
    permissions:
      contents: read
      packages: write
    steps:
      - name: Download digests
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          path: /tmp/digests
          pattern: digests-*
          merge-multiple: true

      - name: Log in to Docker Hub
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          username: ${{ secrets.DOCKERHUB_USERNAME }}
          password: ${{ secrets.DOCKERHUB_TOKEN }}

      - name: Log in to GitHub Container Registry
        uses: docker/login-action@650006c6eb7dba73a995cc03b0b2d7f5ca915bee # v4.2.0
        with:
          registry: ghcr.io
          username: ${{ github.repository_owner }}
          password: ${{ secrets.GHCR_TOKEN }}

      - name: Extract metadata
        id: meta
        uses: docker/metadata-action@80c7e94dd9b9319bd5eb7a0e0fe9291e23a2a2e9 # v6.1.0
        with:
          images: |
            snapotter/snapotter
            ghcr.io/snapotter-hq/snapotter
          tags: |
            type=semver,pattern={{version}},value=v${{ needs.release.outputs.new_version }}
            type=semver,pattern={{major}}.{{minor}},value=v${{ needs.release.outputs.new_version }}
            type=semver,pattern={{major}},value=v${{ needs.release.outputs.new_version }}
            type=raw,value=latest

      - name: Create Docker Hub manifest
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create \
            $(jq -cr '.tags | map(select(startswith("snapotter/")) | "-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf 'snapotter/snapotter@sha256:%s ' *)

      - name: Create GHCR manifest
        working-directory: /tmp/digests
        run: |
          docker buildx imagetools create \
            $(jq -cr '.tags | map(select(startswith("ghcr.io/")) | "-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
            $(printf 'ghcr.io/snapotter-hq/snapotter@sha256:%s ' *)