name: Weekly Beta Release

on:
  schedule:
    - cron: "15 6 * * 1"
  workflow_dispatch:
    inputs:
      dry_run:
        description: "Build and test but do not push images, upload installers, or publish a release"
        required: false
        default: false
        type: boolean

permissions:
  contents: write

jobs:
  prep:
    runs-on: blacksmith-2vcpu-ubuntu-2404
    outputs:
      dev_branch: ${{ steps.dev.outputs.branch }}
      beta_version: ${{ steps.dev.outputs.beta_version }}
      sha: ${{ steps.dev.outputs.sha }}
    steps:
      - name: Checkout repository
        uses: actions/checkout@v7
        with:
          fetch-depth: 1

      - name: Setup Node.js
        uses: actions/setup-node@v7
        with:
          node-version-file: ".nvmrc"

      - name: Resolve newest dev branch and compute beta version
        id: dev
        env:
          GH_TOKEN: ${{ secrets.TERMIX_PAT }}
        run: |
          REFS=$(gh api "repos/${{ github.repository }}/branches" --paginate -q '.[].name')
          if DEV_BRANCH=$(printf '%s\n' "$REFS" | node scripts/latest-dev-branch.cjs 2>/dev/null); then
            echo "Newest dev branch: $DEV_BRANCH"
          else
            echo "No dev-X.Y.Z branch open; nothing to snapshot for this week's beta."
            echo "branch=" >> "$GITHUB_OUTPUT"
            exit 0
          fi

          BASE_VERSION=$(node scripts/parse-dev-branch.cjs "$DEV_BRANCH")
          BETA_VERSION="${BASE_VERSION}-beta.$(date -u +%Y%m%d)"
          SHA=$(gh api "repos/${{ github.repository }}/branches/$DEV_BRANCH" -q .commit.sha)

          echo "Beta version: $BETA_VERSION"
          echo "branch=$DEV_BRANCH" >> "$GITHUB_OUTPUT"
          echo "beta_version=$BETA_VERSION" >> "$GITHUB_OUTPUT"
          echo "sha=$SHA" >> "$GITHUB_OUTPUT"

  verify:
    needs: [prep]
    if: ${{ needs.prep.outputs.dev_branch != '' }}
    runs-on: blacksmith-2vcpu-ubuntu-2404
    steps:
      - name: Checkout dev branch
        uses: actions/checkout@v7
        with:
          ref: ${{ needs.prep.outputs.dev_branch }}
          fetch-depth: 1

      - name: Setup Node.js
        uses: actions/setup-node@v7
        with:
          node-version-file: ".nvmrc"
          cache: "npm"

      - name: Install dependencies
        run: npm ci

      - name: Build plugin SDK
        run: npm run build:sdk

      - name: Run ESLint
        run: npx eslint .

      - name: Type check
        run: npm run type-check

      # Before the tests: the plugin boot tests load the built bundles.
      - name: Build
        run: npm run build

      - name: Run unit tests
        run: npm run test

      - name: Run plugin tests
        run: npm run test:plugins

  create-release:
    needs: [prep, verify]
    if: ${{ needs.prep.outputs.dev_branch != '' && inputs.dry_run != true }}
    runs-on: blacksmith-2vcpu-ubuntu-2404
    permissions:
      contents: write
    steps:
      - name: Checkout dev branch
        uses: actions/checkout@v7
        with:
          ref: ${{ needs.prep.outputs.dev_branch }}
          fetch-depth: 0

      - name: Resolve previous beta commit
        id: prev
        env:
          GH_TOKEN: ${{ secrets.TERMIX_PAT }}
        run: |
          SHA="${{ needs.prep.outputs.sha }}"
          PREV_SHA=$(gh release view beta --repo ${{ github.repository }} --json targetCommitish -q .targetCommitish 2>/dev/null || true)
          if [ -z "$PREV_SHA" ] || ! git cat-file -e "$PREV_SHA^{commit}" 2>/dev/null; then
            PREV_SHA=$(git rev-parse -q --verify "refs/tags/beta^{commit}" || true)
          fi
          # The last beta may come from an older dev branch, so diff from where the two meet.
          if [ -n "$PREV_SHA" ] && ! git merge-base --is-ancestor "$PREV_SHA" "$SHA"; then
            PREV_SHA=$(git merge-base "$PREV_SHA" "$SHA" || true)
          fi
          echo "Previous beta commit: ${PREV_SHA:-none}"
          echo "sha=$PREV_SHA" >> "$GITHUB_OUTPUT"

      - name: Generate rolling beta release notes
        run: |
          PREV="${{ steps.prev.outputs.sha }}"
          SHA="${{ needs.prep.outputs.sha }}"
          MAX=150
          if [ -z "$PREV" ]; then
            CHANGES="- Could not find the previous beta commit."
          else
            LOG=$(git log --oneline --no-merges "$PREV..$SHA" -- . ':!package-lock.json')
            COUNT=$(printf '%s' "$LOG" | grep -c . || true)
            if [ "$COUNT" -eq 0 ]; then
              CHANGES="- No new commits since the last beta."
            else
              CHANGES=$(printf '%s\n' "$LOG" | head -n "$MAX" | sed 's/^/- /')
              if [ "$COUNT" -gt "$MAX" ]; then
                CHANGES="$CHANGES
          - ...and $((COUNT - MAX)) more"
              fi
              CHANGES="$CHANGES

          [Full diff](https://github.com/${{ github.repository }}/compare/$PREV...$SHA)"
            fi
          fi

          cat > BETA_RELEASE_BODY.md << EOF
          > [!WARNING]
          > This is an automated weekly beta build, snapshotted from the \`${{ needs.prep.outputs.dev_branch }}\` branch. It is not a stable release: it may contain unfinished features, regressions, or breaking changes, and this tag is overwritten every week. Do not run it in production.
          >
          > Found a bug? [Open a Beta Feedback report](https://github.com/Termix-SSH/Support/issues/new?template=beta_feedback.yml) and mention this build: \`${{ needs.prep.outputs.beta_version }}\`.

          **Snapshot of:** \`${{ needs.prep.outputs.dev_branch }}\` @ \`${{ needs.prep.outputs.sha }}\`
          **Docker image:** \`ghcr.io/lukegus/termix:beta\` / \`docker.io/bugattiguy527/termix:beta\` (rolling), or pin to \`:beta-${{ needs.prep.outputs.beta_version }}\` for this exact build.
          **Built:** $(date -u +"%Y-%m-%d %H:%M UTC")

          ### Changes since last beta

          $CHANGES
          EOF

      - name: Create or update rolling beta release
        env:
          GH_TOKEN: ${{ secrets.TERMIX_PAT }}
        run: |
          TAG="beta"
          TITLE="Beta (rolling) - ${{ needs.prep.outputs.beta_version }}"
          if gh release view "$TAG" --repo ${{ github.repository }} >/dev/null 2>&1; then
            # --target only applies to a new tag, so move the existing one by hand.
            gh api -X PATCH "repos/${{ github.repository }}/git/refs/tags/$TAG" \
              -f sha="${{ needs.prep.outputs.sha }}" -F force=true >/dev/null
            gh release edit "$TAG" --repo ${{ github.repository }} \
              --title "$TITLE" --notes-file BETA_RELEASE_BODY.md \
              --prerelease --target "${{ needs.prep.outputs.sha }}"
          else
            gh release create "$TAG" --repo ${{ github.repository }} \
              --title "$TITLE" --notes-file BETA_RELEASE_BODY.md \
              --prerelease --target "${{ needs.prep.outputs.sha }}"
          fi

  docker:
    needs: [prep, verify, create-release]
    if: ${{ always() && needs.prep.outputs.dev_branch != '' && needs.verify.result == 'success' && (needs.create-release.result == 'success' || needs.create-release.result == 'skipped') }}
    uses: ./.github/workflows/docker.yml
    with:
      version: ${{ needs.prep.outputs.beta_version }}
      build_type: Beta
      dry_run: ${{ inputs.dry_run == true }}
      source_ref: ${{ needs.prep.outputs.sha }}
    secrets: inherit

  electron-release:
    needs: [prep, verify, create-release]
    if: ${{ always() && needs.prep.outputs.dev_branch != '' && inputs.dry_run != true && needs.create-release.result == 'success' }}
    uses: ./.github/workflows/electron.yml
    with:
      build_type: all
      artifact_destination: release
      release_tag: beta
      version_override: ${{ needs.prep.outputs.beta_version }}
      source_ref: ${{ needs.prep.outputs.sha }}
    secrets: inherit