# Fenris release workflow — release path on Coolify-hosted Gitea runner.
# The runner is repository-scoped and executes package build, signing, validation,
# registry publication, and release attachment. Spec: §5, issue #52
name: Release

on:
  push:
    tags:
      - 'v*'
  workflow_dispatch:
    inputs:
      publish_xbps:
        description: 'Publish XBPS package to distribution repository (requires host acceptance)'
        required: false
        default: false
        type: boolean

# Built-in Gitea token needs write access for release assets and package registry.
permissions:
  contents: read
  releases: write
  packages: write

jobs:
  release:
    runs-on: [self-hosted]
    steps:
      - uses: actions/checkout@v4

      - name: Validate release tag and notes
        run: |
          set -euo pipefail
          VERSION="$(sed -n 's/^version = "\(.*\)"/\1/p' pyproject.toml)"
          if [ -z "${VERSION}" ]; then
            echo "::error::could not determine the project version"
            exit 1
          fi
          if [ "${GITHUB_EVENT_NAME}" != "workflow_dispatch" ]; then
            EXPECTED_TAG="v${VERSION}"
            ACTUAL_TAG="${GITHUB_REF#refs/tags/}"
            if [ "${ACTUAL_TAG}" != "${EXPECTED_TAG}" ]; then
              echo "::error::tag ${ACTUAL_TAG} does not match ${EXPECTED_TAG}"
              exit 1
            fi
          fi
          python3 scripts/extract_changelog.py CHANGELOG.md "${VERSION}" \
            --footer packaging/release-footer.md > "${RUNNER_TEMP}/release-body.md"

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.12'

      - name: Install build dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y gnupg2 rpm python3-venv
          python3 -m venv /tmp/fenris-ci
          /tmp/fenris-ci/bin/pip install --quiet build
          echo "/tmp/fenris-ci/bin" >> "$GITHUB_PATH"
          NFPM_VERSION=2.47.0
          curl --fail --silent --show-error --location \
            "https://github.com/goreleaser/nfpm/releases/download/v${NFPM_VERSION}/nfpm_${NFPM_VERSION}_Linux_x86_64.tar.gz" \
            -o /tmp/nfpm.tar.gz
          sudo tar -xzf /tmp/nfpm.tar.gz -C /usr/local/bin nfpm
          nfpm --version
          # Ubuntu does not package the XBPS build tools.  Use Void's static
          # toolchain, pinned and checksum-verified before it reaches PATH.
          XBPS_STATIC_VERSION=0.60.4_1
          XBPS_STATIC_ARCHIVE="xbps-static-static-${XBPS_STATIC_VERSION}.x86_64-musl.tar.xz"
          XBPS_STATIC_SHA256=603b3c55e9cabd5af79b461b929b14e1556a443c97b5714d188681c2172d9e28
          curl --fail --silent --show-error --location \
            "https://repo-default.voidlinux.org/static/${XBPS_STATIC_ARCHIVE}" \
            -o "/tmp/${XBPS_STATIC_ARCHIVE}"
          echo "${XBPS_STATIC_SHA256}  /tmp/${XBPS_STATIC_ARCHIVE}" | sha256sum --check --strict
          mkdir -p /tmp/xbps-static
          tar -xJf "/tmp/${XBPS_STATIC_ARCHIVE}" -C /tmp/xbps-static
          export PATH="/tmp/xbps-static/usr/bin:${PATH}"
          echo "/tmp/xbps-static/usr/bin" >> "$GITHUB_PATH"
          xbps-create --version

      - name: Build packages
        run: make package

      - name: Build XBPS package
        run: make package-xbps

      - name: Import packaging key
        env:
          GPG_PRIVATE_KEY: ${{ secrets.GPG_PRIVATE_KEY }}
        run: |
          set -euo pipefail
          if [ -z "${GPG_PRIVATE_KEY}" ]; then
            echo "::error::GPG_PRIVATE_KEY repository secret is not configured"
            exit 1
          fi
          printf '%s\n' "${GPG_PRIVATE_KEY}" | gpg --batch --import
          SECRET_FINGERPRINT="$(gpg --batch --list-secret-keys --with-colons 'packaging@bongbetic.com' | awk -F: '$1 == "fpr" { print $10; exit }')"
          PUBLIC_FINGERPRINT="$(gpg --batch --show-keys --with-colons packaging/keys/fenris-packaging.asc | awk -F: '$1 == "fpr" { print $10; exit }')"
          if [ -z "${PUBLIC_FINGERPRINT}" ]; then
            echo "::error::packaging/keys/fenris-packaging.asc has no OpenPGP key"
            exit 1
          fi
          if [ "${SECRET_FINGERPRINT}" != "${PUBLIC_FINGERPRINT}" ]; then
            echo "::error::packaging public key does not match imported private key"
            exit 1
          fi
          echo "Packaging key fingerprint verified: ${PUBLIC_FINGERPRINT}"

      - name: Sign RPM payload
        run: make sign-rpm

      - name: Import XBPS signing key
        id: import-xbps-key
        env:
          XBPS_SIGNING_KEY: ${{ secrets.XBPS_SIGNING_KEY }}
        run: |
          set -euo pipefail
          if [ -z "${XBPS_SIGNING_KEY}" ]; then
            echo "::warning::XBPS_SIGNING_KEY secret not configured; XBPS signing skipped"
            echo "xbps_signed=false" >> "$GITHUB_OUTPUT"
            exit 0
          fi
          mkdir -p ~/.ssh
          printf '%s\n' "${XBPS_SIGNING_KEY}" > ~/.ssh/id_xbps
          chmod 600 ~/.ssh/id_xbps
          echo "xbps_signed=true" >> "$GITHUB_OUTPUT"

      - name: Sign XBPS package
        if: steps.import-xbps-key.outputs.xbps_signed == 'true'
        run: make sign-xbps

      - name: Generate and clearsign SHA256SUMS
        run: |
          set -euo pipefail
          VERSION="$(sed -n 's/^version = "\(.*\)"/\1/p' pyproject.toml)"
          cd dist
          sha256sum "fenris_${VERSION}_amd64.deb" \
            "fenris-${VERSION}-1.x86_64.rpm" > SHA256SUMS
          gpg --batch --yes --clearsign --local-user packaging@bongbetic.com SHA256SUMS

      - name: Validate signatures and checksums
        run: |
          set -euo pipefail
          VERSION="$(sed -n 's/^version = "\(.*\)"/\1/p' pyproject.toml)"
          RPM="fenris-${VERSION}-1.x86_64.rpm"
          RPM_VERIFY="$(rpm -Kv "dist/${RPM}" 2>&1)"
          printf '%s\n' "${RPM_VERIFY}"
          printf '%s\n' "${RPM_VERIFY}" | grep -Eiq 'signature.*: *ok'
          gpg --batch --verify dist/SHA256SUMS.asc
          (cd dist && sha256sum -c SHA256SUMS)

      - name: Remove packaging key material
        if: always()
        run: |
          set +e
          FINGERPRINT="$(gpg --batch --list-secret-keys --with-colons 'packaging@bongbetic.com' 2>/dev/null | awk -F: '$1 == "fpr" { print $10; exit }')"
          if [ -n "${FINGERPRINT}" ]; then
            gpg --batch --yes --delete-secret-keys "${FINGERPRINT}"
            gpg --batch --yes --delete-keys "${FINGERPRINT}"
          fi

      - name: Determine version
        id: version
        run: echo "version=$(sed -n 's/^version = "\(.*\)"/\1/p' pyproject.toml)" >> "$GITHUB_OUTPUT"

      - name: Upload deb packages to registry
        env:
          GITEA_PUBLISH_TOKEN: ${{ secrets.GITEAPACKAGETOKEN }}
        run: |
          set -euo pipefail
          if [ -z "${GITEA_PUBLISH_TOKEN}" ]; then
            echo "::error::GITEAPACKAGETOKEN repository secret is not configured"
            exit 1
          fi
          VERSION=${{ steps.version.outputs.version }}
          DEB="fenris_${VERSION}_amd64.deb"
          for CODENAME in bookworm jammy noble; do
            STATUS=$(curl --silent --show-error --user "xavierk:${GITEA_PUBLISH_TOKEN}" -X PUT \
              -T "dist/${DEB}" -o /dev/null -w '%{http_code}' \
              "https://git.bongbetic.com/api/packages/xavierk/debian/pool/${CODENAME}/main/upload" || true)
            case "${STATUS}" in
              200|201|204) echo "Debian ${CODENAME}: uploaded" ;;
              409) echo "Debian ${CODENAME}: already exists, kept existing package" ;;
              *) echo "::error::Debian ${CODENAME} upload failed with HTTP ${STATUS}"; exit 1 ;;
            esac
          done

      - name: Upload RPM to registry
        env:
          GITEA_PUBLISH_TOKEN: ${{ secrets.GITEAPACKAGETOKEN }}
        run: |
          set -euo pipefail
          VERSION=${{ steps.version.outputs.version }}
          RPM="fenris-${VERSION}-1.x86_64.rpm"
          STATUS=$(curl --silent --show-error --user "xavierk:${GITEA_PUBLISH_TOKEN}" -X PUT \
            -T "dist/${RPM}" -o /dev/null -w '%{http_code}' \
            "https://git.bongbetic.com/api/packages/xavierk/rpm/fenris/upload" || true)
          case "${STATUS}" in
            200|201|204) echo "RPM: uploaded" ;;
            409) echo "RPM: already exists, kept existing package" ;;
            *) echo "::error::RPM upload failed with HTTP ${STATUS}"; exit 1 ;;
          esac

      - name: Publish XBPS to distribution repository
        id: publish-xbps
        if: ${{ github.event.inputs.publish_xbps == true || github.event.inputs.publish_xbps == 'true' }}
        run: |
          set -euo pipefail
          VERSION=${{ steps.version.outputs.version }}
          XBPS_FILE="fenris-${VERSION}_1.x86_64.xbps"
          if [ ! -f "${XBPS_FILE}" ]; then
            echo "::error::XBPS package not found: ${XBPS_FILE}"
            exit 1
          fi
          if [ ! -f "${XBPS_FILE}.sig2" ]; then
            echo "::error::XBPS signature not found: ${XBPS_FILE}.sig2"
            exit 1
          fi
          bash scripts/xbps-publish.sh --publish
          echo "xbps_published=true" >> "$GITHUB_OUTPUT"

      - name: Track format availability
        id: formats
        run: |
          set -euo pipefail
          VERSION=${{ steps.version.outputs.version }}
          DEB_EXISTS=$([ -f "dist/fenris_${VERSION}_amd64.deb" ] && echo "true" || echo "false")
          RPM_EXISTS=$([ -f "dist/fenris-${VERSION}-1.x86_64.rpm" ] && echo "true" || echo "false")
          XBPS_EXISTS=$([ -f "fenris-${VERSION}_1.x86_64.xbps" ] && echo "true" || echo "false")
          XBPS_PUBLISHED=$([ "${{ steps.publish-xbps.outputs.xbps_published }}" = "true" ] && echo "true" || echo "false")
          echo "deb_available=${DEB_EXISTS}" >> "$GITHUB_OUTPUT"
          echo "rpm_available=${RPM_EXISTS}" >> "$GITHUB_OUTPUT"
          echo "xbps_available=${XBPS_EXISTS}" >> "$GITHUB_OUTPUT"
          echo "xbps_published=${XBPS_PUBLISHED}" >> "$GITHUB_OUTPUT"
          # Build format availability summary for release notes
          AVAILABLE_FORMATS=""
          WITHHELD_FORMATS=""
          if [ "${DEB_EXISTS}" = "true" ]; then
            AVAILABLE_FORMATS="${AVAILABLE_FORMATS}Debian/Ubuntu (deb), "
          fi
          if [ "${RPM_EXISTS}" = "true" ]; then
            AVAILABLE_FORMATS="${AVAILABLE_FORMATS}Fedora/openSUSE (rpm), "
          fi
          if [ "${XBPS_EXISTS}" = "true" ] && [ "${XBPS_PUBLISHED}" = "true" ]; then
            AVAILABLE_FORMATS="${AVAILABLE_FORMATS}Void Linux (xbps)"
          elif [ "${XBPS_EXISTS}" = "true" ]; then
            WITHHELD_FORMATS="Void Linux (xbps) — pending host acceptance"
          fi
          # Remove trailing comma and space
          AVAILABLE_FORMATS=$(echo "${AVAILABLE_FORMATS}" | sed 's/, $//')
          echo "available_formats=${AVAILABLE_FORMATS}" >> "$GITHUB_OUTPUT"
          echo "withheld_formats=${WITHHELD_FORMATS}" >> "$GITHUB_OUTPUT"

      - name: Create Gitea release
        env:
          GITEA_PUBLISH_TOKEN: ${{ secrets.GITEAPACKAGETOKEN }}
        run: |
          set -euo pipefail
          if [ -z "${GITEA_PUBLISH_TOKEN}" ]; then
            echo "::error::GITEAPACKAGETOKEN repository secret is not configured"
            exit 1
          fi
          VERSION=${{ steps.version.outputs.version }}
          RELEASE_BODY="${RUNNER_TEMP}/release-body.md"
          if [ ! -s "${RELEASE_BODY}" ]; then
            echo "::error::validated release body is missing or empty"
            exit 1
          fi
          # Append format availability to release notes
          AVAILABLE_FORMATS="${{ steps.formats.outputs.available_formats }}"
          WITHHELD_FORMATS="${{ steps.formats.outputs.withheld_formats }}"
          RELEASE_BODY_WITH_FORMATS="${RUNNER_TEMP}/release-body-formats.md"
          cp "${RELEASE_BODY}" "${RELEASE_BODY_WITH_FORMATS}"
          echo "" >> "${RELEASE_BODY_WITH_FORMATS}"
          echo "## Package formats" >> "${RELEASE_BODY_WITH_FORMATS}"
          echo "" >> "${RELEASE_BODY_WITH_FORMATS}"
          echo "Available: ${AVAILABLE_FORMATS}" >> "${RELEASE_BODY_WITH_FORMATS}"
          if [ -n "${WITHHELD_FORMATS}" ]; then
            echo "Withheld: ${WITHHELD_FORMATS}" >> "${RELEASE_BODY_WITH_FORMATS}"
          fi
          EXISTING_RELEASE="${RUNNER_TEMP}/existing-release.json"
          EXISTING=$(curl --silent --show-error -o "${EXISTING_RELEASE}" -w '%{http_code}' \
            -H "Authorization: token ${GITEA_PUBLISH_TOKEN}" \
            "https://git.bongbetic.com/api/v1/repos/xavierk/Fenris/releases/tags/v${VERSION}" || true)
          case "${EXISTING}" in
            200)
              echo "Release v${VERSION} exists; resynchronizing its notes"
              REQUEST="$(python3 scripts/release_request.py --version "${VERSION}" \
                --body-file "${RELEASE_BODY_WITH_FORMATS}" --existing-release "${EXISTING_RELEASE}")"
              ;;
            404)
              REQUEST="$(python3 scripts/release_request.py --version "${VERSION}" \
                --body-file "${RELEASE_BODY_WITH_FORMATS}")"
              ;;
            *)
              echo "::error::release lookup failed with HTTP ${EXISTING}"
              exit 1
              ;;
          esac
          METHOD="$(printf '%s' "${REQUEST}" | python3 -c "import json,sys; print(json.load(sys.stdin)['method'])")"
          RELEASE_PATH="$(printf '%s' "${REQUEST}" | python3 -c "import json,sys; print(json.load(sys.stdin)['path'])")"
          PAYLOAD="$(printf '%s' "${REQUEST}" | python3 -c "import json,sys; print(json.dumps(json.load(sys.stdin)['payload']))")"
          curl --fail --silent --show-error -X "${METHOD}" \
            -H "Authorization: token ${GITEA_PUBLISH_TOKEN}" \
            -H "Content-Type: application/json" \
            -d "${PAYLOAD}" \
            "https://git.bongbetic.com/api/v1/repos/xavierk/Fenris${RELEASE_PATH}"

      - name: Attach artifacts to release
        env:
          GITEA_PUBLISH_TOKEN: ${{ secrets.GITEAPACKAGETOKEN }}
        run: |
          set -euo pipefail
          VERSION=${{ steps.version.outputs.version }}
          # Get release ID for this tag
          RELEASE_JSON=$(curl --fail --silent --show-error \
            -H "Authorization: token ${GITEA_PUBLISH_TOKEN}" \
            "https://git.bongbetic.com/api/v1/repos/xavierk/Fenris/releases/tags/v${VERSION}")
          RELEASE_ID=$(printf '%s' "${RELEASE_JSON}" \
            | python3 -c "import sys,json; print(json.load(sys.stdin)['id'])")
          # Attach deb, rpm, clearsigned checksums, and XBPS artifacts once.
          ARTIFACTS=(
            "dist/fenris_${VERSION}_amd64.deb"
            "dist/fenris-${VERSION}-1.x86_64.rpm"
            "dist/SHA256SUMS.asc"
          )
          # Add XBPS artifacts if they exist
          XBPS_FILE="fenris-${VERSION}_1.x86_64.xbps"
          if [ -f "${XBPS_FILE}" ]; then
            if [ -f "${XBPS_FILE}.sig2" ]; then
              ARTIFACTS+=("${XBPS_FILE}")
              ARTIFACTS+=("${XBPS_FILE}.sig2")
            else
              echo "::warning::Unsigned XBPS artifact omitted from release assets"
            fi
          fi
          for FILE in "${ARTIFACTS[@]}"; do
            ASSET_NAME="${FILE##*/}"
            if python3 -c 'import json,sys; name=sys.argv[1]; sys.exit(0 if any(a.get("name") == name for a in json.load(sys.stdin).get("assets", [])) else 1)' "${ASSET_NAME}" <<<"${RELEASE_JSON}"; then
              echo "${ASSET_NAME}: already attached"
            else
              curl --fail --silent --show-error -X POST \
                -H "Authorization: token ${GITEA_PUBLISH_TOKEN}" \
                -F "attachment=@${FILE}" \
                "https://git.bongbetic.com/api/v1/repos/xavierk/Fenris/releases/${RELEASE_ID}/assets"
            fi
          done

      - name: Remove XBPS signing key
        if: always()
        run: rm -f ~/.ssh/id_xbps