name: release

on:
  push:
    tags: ["v*"]

permissions:
  contents: write

env:
  DL_DIR: /srv/breadway-dl

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

      - name: build
        run: cargo build --release --locked -p bakery

      - name: test
        run: cargo test --locked --workspace

      - name: prepare artifacts
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          PKG_DIR="${DL_DIR}/bakery/${VERSION}"
          mkdir -p "${PKG_DIR}"

          cp target/release/bakery "${PKG_DIR}/bakery-x86_64"
          strip "${PKG_DIR}/bakery-x86_64"
          sha256sum "${PKG_DIR}/bakery-x86_64" | awk '{print $1}' \
            > "${PKG_DIR}/bakery-x86_64.sha256"

          cp bakery.toml "${PKG_DIR}/bakery.toml"
          ln -sfn "${VERSION}" "${DL_DIR}/bakery/latest"

      # Signs the bakery binary itself with the same minisign key that signs
      # index.json (get.sh pins the matching public key). Dormant until the
      # BAKERY_MINISIGN_SEC_KEY secret is actually provisioned in this repo's
      # Actions settings — until then this step logs a warning and the
      # binary ships unsigned, exactly as it does today.
      - name: sign release binary
        env:
          MINISIGN_SEC_KEY_CONTENTS: ${{ secrets.BAKERY_MINISIGN_SEC_KEY }}
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          PKG_DIR="${DL_DIR}/bakery/${VERSION}"
          if [ -n "${MINISIGN_SEC_KEY_CONTENTS}" ]; then
            command -v minisign >/dev/null 2>&1 || { echo "::error::minisign not installed on runner"; exit 1; }
            KEY_FILE="$(mktemp)"
            trap 'shred -u "${KEY_FILE}" 2>/dev/null || rm -f "${KEY_FILE}"' EXIT
            printf '%s' "${MINISIGN_SEC_KEY_CONTENTS}" > "${KEY_FILE}"
            minisign -W -S -s "${KEY_FILE}" -m "${PKG_DIR}/bakery-x86_64" \
              -x "${PKG_DIR}/bakery-x86_64.minisig" </dev/null
            echo "signed bakery-x86_64"
          else
            echo "::warning::BAKERY_MINISIGN_SEC_KEY secret not set — shipping bakery-x86_64 UNSIGNED"
          fi

      - name: regenerate index.json
        env:
          MINISIGN_SEC_KEY_CONTENTS: ${{ secrets.BAKERY_MINISIGN_SEC_KEY }}
        run: |
          if [ -n "${MINISIGN_SEC_KEY_CONTENTS}" ]; then
            KEY_FILE="$(mktemp)"
            trap 'shred -u "${KEY_FILE}" 2>/dev/null || rm -f "${KEY_FILE}"' EXIT
            printf '%s' "${MINISIGN_SEC_KEY_CONTENTS}" > "${KEY_FILE}"
            MINISIGN_SEC_KEY="${KEY_FILE}" bash "${GITHUB_WORKSPACE}/scripts/gen-index.sh"
          else
            bash "${GITHUB_WORKSPACE}/scripts/gen-index.sh"
          fi

      - name: upload to GitHub Release
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          VERSION="${GITHUB_REF_NAME#v}"
          PKG_DIR="${DL_DIR}/bakery/${VERSION}"
          gh release create "${GITHUB_REF_NAME}" \
            --title "bakery v${VERSION}" --generate-notes 2>/dev/null || true
          ASSETS="${PKG_DIR}/bakery-x86_64 ${PKG_DIR}/bakery-x86_64.sha256"
          [ -f "${PKG_DIR}/bakery-x86_64.minisig" ] && ASSETS="${ASSETS} ${PKG_DIR}/bakery-x86_64.minisig"
          gh release upload "${GITHUB_REF_NAME}" ${ASSETS} --clobber