name: Release

on:
  push:
    branches: [main]
  workflow_dispatch:
    inputs:
      tag_name:
        description: Release tag to build and publish, for example v0.2.0
        required: true
        type: string
      version:
        description: Semver version without the v prefix, for example 0.2.0
        required: true
        type: string
      publish_npm:
        description: Publish the npm package after GitHub assets are uploaded
        required: true
        default: true
        type: boolean
      publish_skills:
        description: Publish skills after the release is built
        required: true
        default: true
        type: boolean

# One release run per commit — never cancel, just queue.
concurrency:
  group: release-${{ github.sha }}

# Deny all permissions at workflow level; each job declares only what it needs.
permissions: {}

env:
  CARGO_TERM_COLOR: always

jobs:
  release-please:
    name: Release Please
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: write
      pull-requests: write
    outputs:
      release_created: ${{ steps.release.outputs.release_created || steps.manual.outputs.release_created }}
      tag_name: ${{ steps.release.outputs.tag_name || steps.manual.outputs.tag_name }}
      version: ${{ steps.release.outputs.major && format('{0}.{1}.{2}', steps.release.outputs.major, steps.release.outputs.minor, steps.release.outputs.patch) || steps.manual.outputs.version }}
      publish_npm: ${{ steps.manual.outputs.publish_npm || 'true' }}
      publish_skills: ${{ steps.manual.outputs.publish_skills || steps.release.outputs.release_created }}
    steps:
      - uses: googleapis/release-please-action@45996ed1f6d02564a971a2fa1b5860e934307cf7 # v5.0.0
        if: github.event_name != 'workflow_dispatch'
        id: release
        with:
          config-file: release-please-config.json
          manifest-file: .release-please-manifest.json

      - name: Use manual release inputs
        if: github.event_name == 'workflow_dispatch'
        id: manual
        env:
          TAG_NAME: ${{ inputs.tag_name }}
          VERSION: ${{ inputs.version }}
          PUBLISH_NPM: ${{ inputs.publish_npm }}
          PUBLISH_SKILLS: ${{ inputs.publish_skills }}
        run: |
          if [[ ! "$VERSION" =~ ^[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z.-]+)?$ ]]; then
            echo "Invalid version: ${VERSION}" >&2
            exit 1
          fi
          if [[ "$TAG_NAME" != "v${VERSION}" ]]; then
            echo "Tag ${TAG_NAME} must match version ${VERSION}" >&2
            exit 1
          fi
          {
            echo "release_created=true"
            echo "tag_name=${TAG_NAME}"
            echo "version=${VERSION}"
            echo "publish_npm=${PUBLISH_NPM}"
            echo "publish_skills=${PUBLISH_SKILLS}"
          } >> "$GITHUB_OUTPUT"

      - name: Sync Cargo.lock on release PR
        if: github.event_name != 'workflow_dispatch' && steps.release.outputs.release_created != 'true'
        env:
          GH_TOKEN: ${{ github.token }}
          GH_REPO: ${{ github.repository }}
        run: |
          set -euo pipefail
          BRANCH="release-please--branches--main--components--agent-desktop"
          OPEN_RELEASE_PRS=$(gh pr list \
            --head "$BRANCH" \
            --state open \
            --json number \
            --jq 'length')
          if [ "$OPEN_RELEASE_PRS" = "0" ]; then
            echo "No open release PR branch to sync"
            exit 0
          fi

          git init -b main release-pr
          cd release-pr
          git remote add origin "https://x-access-token:${GH_TOKEN}@github.com/${GH_REPO}.git"
          git fetch --depth=1 origin "$BRANCH"
          git checkout -B "$BRANCH" FETCH_HEAD

          rustup show
          VERSION=$(sed -n 's/.*version *= *"\([^"]*\)".*/\1/p' Cargo.toml | head -1)
          cargo update -p agent-desktop --precise "$VERSION"
          scripts/check-release-consistency.sh

          if git diff --quiet -- Cargo.lock; then
            echo "Cargo.lock already matches release version ${VERSION}"
            exit 0
          fi

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git add Cargo.lock
          git commit -m "chore: sync cargo lock for release ${VERSION}"
          git push origin "HEAD:${BRANCH}"

  build:
    name: Build (${{ matrix.target }})
    needs: release-please
    if: needs.release-please.outputs.release_created == 'true'
    runs-on: macos-latest
    timeout-minutes: 30
    permissions:
      contents: read
    strategy:
      fail-fast: false
      matrix:
        target:
          - aarch64-apple-darwin
          - x86_64-apple-darwin
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: ${{ needs.release-please.outputs.tag_name }}

      - name: Install Rust toolchain
        run: |
          rustup show
          rustup target add ${{ matrix.target }}

      - name: Cache cargo registry
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
          key: ${{ runner.os }}-${{ matrix.target }}-cargo-${{ hashFiles('Cargo.lock', 'Cargo.toml', 'crates/**/Cargo.toml', 'src/Cargo.toml') }}
          restore-keys: ${{ runner.os }}-${{ matrix.target }}-cargo-

      - name: Build release binary
        run: |
          cargo build --locked --release -p agent-desktop --target ${{ matrix.target }}
          cargo build --locked --release -p agent-desktop-macos --bin agent-desktop-macos-helper --target ${{ matrix.target }}

      - name: Check binary size
        run: |
          SIZE=$(stat -f%z target/${{ matrix.target }}/release/agent-desktop)
          HELPER_SIZE=$(stat -f%z target/${{ matrix.target }}/release/agent-desktop-macos-helper)
          LIMIT=$((15 * 1024 * 1024))
          echo "Binary size: $(du -sh target/${{ matrix.target }}/release/agent-desktop | cut -f1)"
          echo "Helper size: $(du -sh target/${{ matrix.target }}/release/agent-desktop-macos-helper | cut -f1)"
          if [ "$SIZE" -gt "$LIMIT" ] || [ "$HELPER_SIZE" -gt "$LIMIT" ]; then
            echo "FAIL: shipped executable exceeds 15MB limit (binary=${SIZE}, helper=${HELPER_SIZE} bytes)"
            exit 1
          fi

      - name: Create tarball
        env:
          VERSION: ${{ needs.release-please.outputs.version }}
        run: |
          TARBALL="agent-desktop-v${VERSION}-${{ matrix.target }}.tar.gz"
          BINARY="target/${{ matrix.target }}/release/agent-desktop"
          HELPER="target/${{ matrix.target }}/release/agent-desktop-macos-helper"
          BINARY_SHA=$(shasum -a 256 "$BINARY" | awk '{print $1}')
          HELPER_SHA=$(shasum -a 256 "$HELPER" | awk '{print $1}')
          tar -czf "${TARBALL}" -C "$(dirname "$BINARY")" agent-desktop agent-desktop-macos-helper
          if [ "$BINARY_SHA" != "$(shasum -a 256 "$BINARY" | awk '{print $1}')" ] || \
             [ "$HELPER_SHA" != "$(shasum -a 256 "$HELPER" | awk '{print $1}')" ]; then
            echo "Release executable changed while packaging" >&2
            exit 1
          fi
          shasum -a 256 "${TARBALL}" > "${TARBALL}.sha256"

      - name: Upload artifact
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: binary-${{ matrix.target }}
          path: |
            agent-desktop-v*.tar.gz
            agent-desktop-v*.tar.gz.sha256
          retention-days: 1

  # FFI cdylib for language-binding consumers (Python/Swift/Go/Ruby/Node/C).
  # Ships alongside CLI tarballs on the same release tag; npm stays CLI-only.
  build-ffi:
    name: Build FFI (${{ matrix.target }})
    needs: release-please
    if: needs.release-please.outputs.release_created == 'true'
    runs-on: ${{ matrix.runner }}
    timeout-minutes: 30
    permissions:
      contents: read
    strategy:
      fail-fast: false
      matrix:
        include:
          - target: aarch64-apple-darwin
            runner: macos-latest
            archive: tar.gz
            lib_name: libagent_desktop_ffi.dylib
          - target: x86_64-apple-darwin
            runner: macos-latest
            archive: tar.gz
            lib_name: libagent_desktop_ffi.dylib
          - target: x86_64-unknown-linux-gnu
            runner: ubuntu-22.04
            archive: tar.gz
            lib_name: libagent_desktop_ffi.so
          - target: aarch64-unknown-linux-gnu
            runner: ubuntu-22.04-arm
            archive: tar.gz
            lib_name: libagent_desktop_ffi.so
          - target: x86_64-pc-windows-msvc
            runner: windows-latest
            archive: zip
            lib_name: agent_desktop_ffi.dll
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: ${{ needs.release-please.outputs.tag_name }}

      - name: Install Rust toolchain
        run: |
          rustup show
          rustup target add ${{ matrix.target }}

      - name: Cache cargo registry
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
          key: ${{ runner.os }}-${{ matrix.target }}-ffi-cargo-${{ hashFiles('Cargo.lock', 'Cargo.toml', 'crates/**/Cargo.toml', 'src/Cargo.toml') }}
          restore-keys: ${{ runner.os }}-${{ matrix.target }}-ffi-cargo-

      # NEVER add --features stub-adapter to the release FFI build — it ships a no-op dylib
      # where every adapter call returns PLATFORM_NOT_SUPPORTED. The guard step below enforces this.
      - name: Guard — release dylib must not be a stub build
        shell: bash
        run: |
          # Co-occurrence of the release profile token and the stub flag on the same
          # line is the discriminator. Legitimate stub uses in this file (release gates,
          # passthrough test) omit the release-ffi profile, so they do not trigger.
          PROFILE_TOKEN="release-ffi"
          STUB_TOKEN="stub-adapter"
          if grep -nE "${PROFILE_TOKEN}.*${STUB_TOKEN}|${STUB_TOKEN}.*${PROFILE_TOKEN}" \
              .github/workflows/release.yml; then
            echo "FAIL: release-ffi build path must not enable"
            echo "      the stub-adapter feature — that would ship a no-op dylib"
            exit 1
          fi
          echo "OK: no stub flag on the shipping release-ffi build path"

      - name: Build FFI cdylib (release-ffi profile)
        run: cargo build --locked --profile release-ffi -p agent-desktop-ffi --target ${{ matrix.target }}

      - name: Build macOS helper for FFI consumers
        if: runner.os == 'macOS'
        run: cargo build --locked --release -p agent-desktop-macos --bin agent-desktop-macos-helper --target ${{ matrix.target }}

      # build.rs bakes install_name=@rpath/... ; a regression here silently
      # breaks Swift/SPM consumers, so verify before shipping.
      - name: Verify macOS install_name
        if: runner.os == 'macOS'
        shell: bash
        run: |
          ACTUAL=$(otool -D target/${{ matrix.target }}/release-ffi/${{ matrix.lib_name }} | tail -1)
          EXPECTED="@rpath/libagent_desktop_ffi.dylib"
          if [ "$ACTUAL" != "$EXPECTED" ]; then
            echo "FAIL: install_name is '$ACTUAL', expected '$EXPECTED'"
            exit 1
          fi
          echo "OK: install_name = $ACTUAL"

      - name: Stage tarball contents
        shell: bash
        env:
          VERSION: ${{ needs.release-please.outputs.version }}
        run: |
          STAGE="agent-desktop-ffi-v${VERSION}-${{ matrix.target }}"
          mkdir -p "$STAGE/lib" "$STAGE/include"
          cp "target/${{ matrix.target }}/release-ffi/${{ matrix.lib_name }}" "$STAGE/lib/"
          if [ "$RUNNER_OS" = "macOS" ]; then
            cp "target/${{ matrix.target }}/release/agent-desktop-macos-helper" "$STAGE/lib/"
            chmod +x "$STAGE/lib/agent-desktop-macos-helper"
          fi
          cp crates/ffi/include/agent_desktop.h "$STAGE/include/"
          cp LICENSE "$STAGE/"
          cat > "$STAGE/README.md" <<EOF
          # agent-desktop FFI cdylib — v${VERSION} (${{ matrix.target }})

          - \`lib/${{ matrix.lib_name }}\` — shared library
          - \`include/agent_desktop.h\` — committed C ABI header
          - \`LICENSE\` — Apache-2.0

          Docs: https://github.com/lahfir/agent-desktop/tree/main/skills/agent-desktop-ffi

          macOS \`install_name\` is \`@rpath/libagent_desktop_ffi.dylib\` — linking
          consumers need \`-rpath\` pointing at the dylib's directory; \`dlopen\` /
          ctypes callers resolve by path and need nothing.
          EOF
          if [ "$RUNNER_OS" = "macOS" ]; then
            # shellcheck disable=SC2016
            echo '- `lib/agent-desktop-macos-helper` — required helper, colocated for dylib-image discovery' >> "$STAGE/README.md"
          fi
          if [ "$RUNNER_OS" != "Windows" ]; then
            (cd "$STAGE" && shasum -a 256 lib/* include/* LICENSE > SHA256SUMS)
          fi
          echo "STAGE=$STAGE" >> "$GITHUB_ENV"

      - name: Create archive (Unix)
        if: runner.os != 'Windows'
        shell: bash
        run: |
          tar -czf "${STAGE}.tar.gz" "${STAGE}"
          (cd "$STAGE" && shasum -a 256 -c SHA256SUMS)
          if [ "$RUNNER_OS" = "macOS" ]; then
            tar -tzf "${STAGE}.tar.gz" | grep -Fx "${STAGE}/lib/agent-desktop-macos-helper"
          fi
          shasum -a 256 "${STAGE}.tar.gz" > "${STAGE}.tar.gz.sha256"

      - name: Create archive (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          Compress-Archive -Path "${env:STAGE}" -DestinationPath "${env:STAGE}.zip"
          $hash = (Get-FileHash "${env:STAGE}.zip" -Algorithm SHA256).Hash.ToLower()
          "$hash  ${env:STAGE}.zip" | Out-File -Encoding ascii "${env:STAGE}.zip.sha256"

      - name: Upload artifact
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: ffi-${{ matrix.target }}
          path: |
            agent-desktop-ffi-v*.tar.gz
            agent-desktop-ffi-v*.tar.gz.sha256
            agent-desktop-ffi-v*.zip
            agent-desktop-ffi-v*.zip.sha256
          retention-days: 1

  # Re-runs FFI integrity gates at release time. Header verification runs on
  # macOS because cbindgen may omit macOS-gated symbols on Linux.
  ffi-release-gates:
    name: FFI Release Gates
    needs: release-please
    if: needs.release-please.outputs.release_created == 'true'
    runs-on: macos-latest
    timeout-minutes: 30
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: ${{ needs.release-please.outputs.tag_name }}

      - name: Install Rust toolchain
        run: rustup show

      - name: Cache cargo registry
        uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
        with:
          path: |
            ~/.cargo/registry/index/
            ~/.cargo/registry/cache/
            ~/.cargo/git/db/
          key: ${{ runner.os }}-ffi-gates-cargo-${{ hashFiles('Cargo.lock', 'Cargo.toml', 'crates/**/Cargo.toml', 'src/Cargo.toml') }}
          restore-keys: ${{ runner.os }}-ffi-gates-cargo-

      - name: Install pinned cbindgen 0.29.4
        run: cargo install cbindgen --version 0.29.4 --locked

      - name: Header drift check (cbindgen --verify)
        run: >
          cbindgen crates/ffi
          --config crates/ffi/cbindgen.toml
          --output crates/ffi/include/agent_desktop.h
          --verify

      - name: Stub passthrough test
        run: >
          scripts/cargo-test-isolated-home.sh test --locked -p agent-desktop-ffi
          --features stub-adapter --test c_abi_passthrough

      - name: Assert release-ffi profile keeps panic=unwind
        run: |
          if ! grep -A5 '\[profile\.release-ffi\]' Cargo.toml | grep -q 'panic.*=.*"unwind"'; then
            echo "FAIL: [profile.release-ffi] must set panic=\"unwind\" — a flip to"
            echo "      panic=\"abort\" defeats every trap_panic boundary in the dylib."
            exit 1
          fi
          echo "OK: release-ffi profile retains panic=\"unwind\""

      - name: Prove the shipped cdylib catches an exported-boundary panic
        run: bash crates/ffi/tests/run_cdylib_panic_probe.sh

  publish-github:
    name: Publish to GitHub Release
    needs: [release-please, build, build-ffi, ffi-release-gates]
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: write
      id-token: write        # Sigstore OIDC exchange
      attestations: write    # write provenance bundle back to GitHub
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
        with:
          pattern: "{binary,ffi}-*"
          merge-multiple: true

      - name: Create checksums file
        run: |
          cat ./*.sha256 > checksums.txt
          cat checksums.txt

      - name: Upload assets to GitHub Release
        env:
          GH_TOKEN: ${{ github.token }}
          GH_REPO: ${{ github.repository }}
          TAG_NAME: ${{ needs.release-please.outputs.tag_name }}
        run: |
          gh release view "$TAG_NAME" >/dev/null 2>&1 \
            || gh release create "$TAG_NAME" \
              --title "$TAG_NAME" \
              --notes "Release ${TAG_NAME}"
          gh release upload "$TAG_NAME" \
            ./*.tar.gz ./*.zip checksums.txt \
            --clobber

      # Keyless Sigstore provenance. Verify with:
      #   gh attestation verify <file> --repo lahfir/agent-desktop
      - name: Attest build provenance
        uses: actions/attest-build-provenance@0f67c3f4856b2e3261c31976d6725780e5e4c373 # v4.1.1
        with:
          subject-path: |
            *.tar.gz
            *.zip
            checksums.txt

  publish-npm:
    name: Publish to npm
    needs: [release-please, publish-github]
    if: needs.release-please.outputs.release_created == 'true' && needs.release-please.outputs.publish_npm == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 15
    permissions:
      contents: read
      id-token: write
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: ${{ needs.release-please.outputs.tag_name }}

      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: '24'
          registry-url: https://registry.npmjs.org
          package-manager-cache: false

      - name: Verify GitHub Release assets
        env:
          GH_TOKEN: ${{ github.token }}
          TAG_NAME: ${{ needs.release-please.outputs.tag_name }}
        run: |
          # Expected: 2 CLI tarballs + 4 FFI tarballs + 1 FFI zip + checksums = 8.
          ASSETS=$(gh release view "$TAG_NAME" --json assets --jq '.assets | length')
          if [ "$ASSETS" -lt 8 ]; then
            echo "FAIL: expected at least 8 assets, found ${ASSETS}"
            exit 1
          fi
          echo "OK: ${ASSETS} assets found on release"

      - name: Prepare npm package
        env:
          VERSION: ${{ needs.release-please.outputs.version }}
        run: |
          cd npm
          node -e "
            const version = process.env.VERSION;
            const pkg = require('./package.json');
            pkg.version = version;
            require('fs').writeFileSync('package.json', JSON.stringify(pkg, null, 2) + '\n');
          "
          echo "npm package version set to ${VERSION}"
          cp ../README.md README.md
          cp ../CHANGELOG.md CHANGELOG.md 2>/dev/null || true

      - name: Publish to npm
        run: npm publish --access public
        working-directory: npm

  publish-skills:
    name: Publish Skills to ClawHub
    needs: [release-please]
    if: needs.release-please.outputs.release_created == 'true' && needs.release-please.outputs.publish_skills == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
        with:
          ref: ${{ needs.release-please.outputs.tag_name }}

      - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
        with:
          node-version: '24'

      - name: Install ClawHub CLI
        run: npm i -g clawhub

      - name: Authenticate with ClawHub
        run: clawhub login --token "$CLAWHUB_TOKEN" --no-browser
        env:
          CLAWHUB_TOKEN: ${{ secrets.CLAWHUB_TOKEN }}

      - name: Publish all skills to ClawHub
        run: |
          set -euo pipefail
          SOURCE_COMMIT="$(git rev-parse HEAD)"
          for skill_dir in skills/*; do
            [ -d "$skill_dir" ] || continue
            [ -f "$skill_dir/SKILL.md" ] || continue
            slug="$(basename "$skill_dir")"
            clawhub publish "$skill_dir" \
              --slug "$slug" \
              --changelog "Release ${{ needs.release-please.outputs.tag_name }}" \
              --tags latest \
              --source-repo "${GITHUB_REPOSITORY}" \
              --source-commit "$SOURCE_COMMIT" \
              --source-ref "${{ needs.release-please.outputs.tag_name }}" \
              --source-path "$skill_dir"
          done