name: Canary Release

on:
  workflow_run:
    workflows: ["CI"]
    branches: [main]
    types: [completed]
  workflow_dispatch:

concurrency:
  group: release
  cancel-in-progress: true

permissions: {}

jobs:
  resolve:
    if: |
      (github.event_name == 'workflow_run' && github.event.workflow_run.conclusion == 'success') ||
      (github.event_name == 'workflow_dispatch' && github.ref == 'refs/heads/main')
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      sha: ${{ steps.resolve.outputs.sha }}
    steps:
      - name: Resolve commit SHA
        id: resolve
        env:
          WF_SHA: ${{ github.event.workflow_run.head_sha }}
          FALLBACK_SHA: ${{ github.sha }}
        run: echo "sha=${WF_SHA:-$FALLBACK_SHA}" >> "$GITHUB_OUTPUT"

  build:
    needs: resolve
    permissions:
      contents: read
    timeout-minutes: 30
    strategy:
      fail-fast: false
      matrix:
        target:
          - x86_64-unknown-linux-musl
          - aarch64-unknown-linux-musl

    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          ref: ${{ needs.resolve.outputs.sha }}

      - name: Activate Hermit
        uses: cashapp/activate-hermit@e49f5cb4dd64ff0b0b659d1d8df499595451155a # v1

      - name: Cache Rust artifacts
        uses: Swatinem/rust-cache@e18b497796c12c097a38f9edb9d0641fb99eee32 # v2
        with:
          key: ${{ matrix.target }}

      - name: Install cross
        uses: taiki-e/install-action@06203676c62f0d3c765be3f2fcfbebbcb02d09f5 # v2
        with:
          tool: cross@0.2.5

      - name: Build binaries
        env:
          TARGET: ${{ matrix.target }}
        run: |
          cross build --release --target "$TARGET" \
            -p sprout-relay \
            -p sprout-acp \
            -p sprout-mcp

      - name: Package tarballs
        env:
          TARGET: ${{ matrix.target }}
        run: |
          BIN="target/${TARGET}/release"

          mkdir sprout-relay && cp "${BIN}/sprout-relay" sprout-relay/
          tar czf "sprout-relay-canary-${TARGET}.tar.gz" sprout-relay

          mkdir sprout-agent && cp "${BIN}/sprout-acp" "${BIN}/sprout-mcp-server" sprout-agent/
          tar czf "sprout-agent-canary-${TARGET}.tar.gz" sprout-agent

      - name: Upload artifacts
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: sprout-${{ matrix.target }}
          path: sprout-*-canary-${{ matrix.target }}.tar.gz
          retention-days: 1

  bundle-desktop-macos:
    needs: resolve
    uses: ./.github/workflows/bundle-desktop-macos.yml
    permissions:
      id-token: write
      contents: read
    with:
      ref: ${{ needs.resolve.outputs.sha }}
      signing: true
    secrets:
      OSX_CODESIGN_ROLE: ${{ secrets.OSX_CODESIGN_ROLE }}
      CODESIGN_S3_BUCKET: ${{ secrets.CODESIGN_S3_BUCKET }}

  release:
    needs: [resolve, build, bundle-desktop-macos]
    runs-on: ubuntu-latest
    timeout-minutes: 10
    permissions:
      contents: write

    steps:
      - name: Checkout
        uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          ref: ${{ needs.resolve.outputs.sha }}

      - name: Download all artifacts
        uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
        with:
          path: dist/
          merge-multiple: true

      - name: Get build timestamp
        id: timestamp
        run: echo "ts=$(date -u +%Y-%m-%dT%H:%M:%SZ)" >> "$GITHUB_OUTPUT"

      - name: Force-move canary tag
        env:
          COMMIT_SHA: ${{ needs.resolve.outputs.sha }}
        run: |
          git tag -f canary "$COMMIT_SHA"
          git push origin canary --force

      - name: Create or update canary release
        uses: ncipollo/release-action@339a81892b84b4eeb0f6e744e4574d79d0d9b8dd # v1
        with:
          tag: canary
          name: "Canary (latest main)"
          body: |
            Pre-alpha canary build. Not for production.

            Built from commit `${{ needs.resolve.outputs.sha }}` at ${{ steps.timestamp.outputs.ts }}.

            **Relay**: `sprout-relay-canary-<target>.tar.gz`
            **Agent tooling** (ACP harness + MCP server): `sprout-agent-canary-<target>.tar.gz`
            **Desktop** (macOS arm64): `Sprout-darwin-arm64.zip`
          prerelease: true
          allowUpdates: true
          removeArtifacts: true
          artifacts: "dist/*.tar.gz,dist/*.zip"
          token: ${{ secrets.GITHUB_TOKEN }}