# 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:

# 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

      - name: Build packages
        run: make package

      - 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: 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: 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 "${RELEASE_BODY}" ]; then
            echo "::error::validated release body is missing or empty"
            exit 1
          fi
          EXISTING_RELEASE="${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 "${RELEASE_BODY}" --existing-release "${EXISTING_RELEASE}")"
              ;;
            404)
              REQUEST="$(python3 scripts/release_request.py --version "${VERSION}" \
                --body-file "${RELEASE_BODY}")"
              ;;
            *)
              echo "::error::release lookup failed with HTTP ${EXISTING}"
              exit 1
              ;;
          esac
          METHOD="$(printf '%s' "${REQUEST}" | python3 -c "import json,sys; print(json.load(sys.stdin)['method'])")"
          PATH="$(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${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, and clearsigned checksums once.
          for FILE in "dist/fenris_${VERSION}_amd64.deb" \
                       "dist/fenris-${VERSION}-1.x86_64.rpm" \
                       "dist/SHA256SUMS.asc"; 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