name: Storybook Deploy

on:
  workflow_dispatch:
    inputs:
      branch:
        description: "Repository branch to publish (empty uses the selected workflow branch)"
        type: string
        default: ""
  # Also exposed by Storybook Visual, which is already available on master.
  workflow_call:
    inputs:
      branch:
        type: string
        default: ""

permissions:
  contents: read

jobs:
  authorize:
    name: Authorize Storybook publisher
    runs-on: ubuntu-latest
    timeout-minutes: 5
    outputs:
      sha: ${{ steps.source.outputs.sha }}
      branch: ${{ steps.source.outputs.branch }}
      branch_key: ${{ steps.source.outputs.branch_key }}
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
        with:
          persist-credentials: false
      - name: Require CODEOWNER initiator and rerunner
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8
        with:
          script: |
            const authorize = require('./.github/scripts/authorize-storybook-deploy.cjs');
            await authorize({ github, context });

      - name: Pin requested repository branch
        id: source
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8
        env:
          SOURCE_BRANCH: ${{ inputs.branch }}
          STORYBOOK_S3_BUCKET: ${{ vars.STORYBOOK_S3_BUCKET }}
          STORYBOOK_PUBLIC_BASE_URL: ${{ vars.STORYBOOK_PUBLIC_BASE_URL }}
        with:
          script: |
            const branch = process.env.SOURCE_BRANCH || context.ref.slice('refs/heads/'.length);
            const { data } = await github.rest.git.getRef({ ...context.repo, ref: `heads/${branch}` });
            if (data.ref !== `refs/heads/${branch}` || data.object.type !== 'commit') {
              throw new Error('Select an existing branch in this repository.');
            }
            // With no source override, preserve the exact dispatched commit.
            const sha = process.env.SOURCE_BRANCH ? data.object.sha : context.sha;
            const { storybookDestination } = require('./.github/scripts/storybook-destination.cjs');
            const destination = storybookDestination({ branch, sha,
              runId: context.runId, runAttempt: process.env.GITHUB_RUN_ATTEMPT,
              bucket: process.env.STORYBOOK_S3_BUCKET, baseUrl: process.env.STORYBOOK_PUBLIC_BASE_URL });
            core.setOutput('sha', sha);
            core.setOutput('branch_key', destination.branchKey);
            core.setOutput('branch', branch);

  build:
    name: Build selected branch Storybook
    permissions: {}
    needs: authorize
    runs-on: ubuntu-latest
    timeout-minutes: 25
    outputs:
      artifact_name: ${{ steps.artifact.outputs.name }}
    env:
      STORYBOOK_DISABLE_TELEMETRY: "1"
    steps:
      - name: Download public source without repository credentials
        env:
          SOURCE_SHA: ${{ needs.authorize.outputs.sha }}
        run: |
          [[ "$SOURCE_SHA" =~ ^[a-f0-9]{40}$ ]]
          curl --fail --silent --show-error --location --retry 3 \
            "https://codeload.github.com/paperclipai/paperclip/tar.gz/$SOURCE_SHA" \
            --output "$RUNNER_TEMP/source.tar.gz"
          tar -xzf "$RUNNER_TEMP/source.tar.gz" --strip-components=1
      - uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6
        with:
          version: 9.15.4
      - uses: actions/setup-node@820762786026740c76f36085b0efc47a31fe5020 # v7
        with:
          node-version: 24
          package-manager-cache: false
      - run: pnpm install --frozen-lockfile --ignore-scripts
      - run: pnpm build-storybook
      - name: Record source and validate output
        id: artifact
        env:
          SOURCE_SHA: ${{ needs.authorize.outputs.sha }}
          SOURCE_BRANCH: ${{ needs.authorize.outputs.branch }}
        run: |
          test -s ui/storybook-static/index.html
          test -s ui/storybook-static/iframe.html
          test -s ui/storybook-static/index.json
          jq -n --arg sha "$SOURCE_SHA" --arg branch "$SOURCE_BRANCH" \
            '{sha: $sha, branch: $branch}' > ui/storybook-static/deployment.json
          echo "name=storybook-deploy-${GITHUB_RUN_ID}-${GITHUB_RUN_ATTEMPT}" >> "$GITHUB_OUTPUT"
      - uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
        with:
          name: ${{ steps.artifact.outputs.name }}
          path: ui/storybook-static
          if-no-files-found: error
          retention-days: 7

  deploy:
    name: Publish branch Storybook to S3
    needs: [authorize, build]
    runs-on: ubuntu-latest
    timeout-minutes: 15
    concurrency:
      group: storybook-deploy-${{ needs.authorize.outputs.branch_key }}
      cancel-in-progress: false
    permissions:
      contents: read
      id-token: write
    environment:
      name: storybook-deploy
      url: ${{ steps.deployment.outputs.url }}
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7
        with:
          persist-credentials: false
          sparse-checkout: .github/scripts
      - name: Recheck CODEOWNER access before publishing
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8
        with:
          script: |
            const authorize = require('./.github/scripts/authorize-storybook-deploy.cjs');
            await authorize({ github, context });
      - name: Download the successful build artifact
        uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8
        with:
          name: ${{ needs.build.outputs.artifact_name }}
          path: storybook-static
      - name: Assume the Storybook-only uploader role
        uses: aws-actions/configure-aws-credentials@e6de054238d6b7531b4efff3b6587d9aade6a06c # v6
        with:
          role-to-assume: ${{ vars.STORYBOOK_AWS_ROLE_ARN }}
          aws-region: ${{ vars.STORYBOOK_AWS_REGION }}
          role-duration-seconds: 900
      - name: Publish this branch preview
        id: deployment
        env:
          SOURCE_SHA: ${{ needs.authorize.outputs.sha }}
          SOURCE_BRANCH: ${{ needs.authorize.outputs.branch }}
          STORYBOOK_S3_BUCKET: ${{ vars.STORYBOOK_S3_BUCKET }}
          STORYBOOK_PUBLIC_BASE_URL: ${{ vars.STORYBOOK_PUBLIC_BASE_URL }}
        run: node .github/scripts/publish-storybook.cjs
      - name: Verify public build and stable branch URL
        env:
          BUILD_URL: ${{ steps.deployment.outputs.build_url }}
          BRANCH_URL: ${{ steps.deployment.outputs.url }}
          SOURCE_SHA: ${{ needs.authorize.outputs.sha }}
        run: node .github/scripts/verify-storybook.cjs
      - name: Upload deployment links
        if: ${{ !cancelled() && steps.deployment.outcome == 'success' }}
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7
        with:
          name: storybook-deployment-${{ github.run_id }}-${{ github.run_attempt }}
          path: ${{ steps.deployment.outputs.report_path }}
          if-no-files-found: error
          retention-days: 30