name: OHIF Downstream Validation

# Pull requests: add a line to the PR body, same style as OHIF uses for CS3D_REF:
#   OHIF_REF: <branch-or-tag>
# If omitted, Viewers ref defaults to master. workflow_dispatch can set ohif_ref instead.
on:
  pull_request:
  workflow_dispatch:
    inputs:
      ohif_ref:
        description: >-
          OHIF Viewers branch or tag (e.g. master, beta). On pull_request you can instead add
          a line "OHIF_REF: <ref>" to the PR body.
        required: false
        default: 'master'

permissions:
  contents: read
  pull-requests: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  ohif-downstream:
    name: OHIF downstream tests against this PR
    runs-on: [nashua]
    timeout-minutes: 120
    env:
      BUN_VERSION: 1.2.23
      NODE_VERSION: 24.15.0
      OHIF_REF: master
      OHIF_DIR: ohif
      # Update to force a rebuild of the OHIF integration
      BUILD_INDEX: 0
    steps:
      - name: Checkout Cornerstone
        uses: actions/checkout@v6.0.3
        with:
          ref: ${{ github.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}

      - name: Resolve OHIF ref (PR body OHIF_REF line or workflow_dispatch input)
        run: bash scripts/ci/ohif-ref-resolve.sh
        env:
          GH_TOKEN: ${{ github.token }}
          EVENT_NAME: ${{ github.event_name }}
          REPO: ${{ github.repository }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          OHIF_REF_INPUT: ${{ github.event.inputs.ohif_ref }}
          DEFAULT_REF: master

      - name: Log build context (OHIF/CS3D branch and version for build diagnosis)
        run: |
          echo "::notice::Build type: ohif-downstream | CS3D: ${{ github.repository }}@${{ github.ref }} (${{ github.sha }}) | OHIF ref: ${{ env.OHIF_REF }}"
          CS3D_BRANCH=$(git rev-parse --abbrev-ref HEAD)
          CS3D_SHA=$(git rev-parse --short HEAD)
          echo "[build-context] ═══════════════════════════════════════════════════════════════"
          echo "[build-context] Build type: ohif-downstream (CS3D repo validating against OHIF)"
          echo "[build-context] CS3D branch: $CS3D_BRANCH | CS3D SHA: $CS3D_SHA"
          echo "[build-context] OHIF ref: ${{ env.OHIF_REF }}"
          echo "[build-context] ═══════════════════════════════════════════════════════════════"

      - name: Set up pnpm
        uses: pnpm/action-setup@v6.0.8

      # OHIF (a bun/yarn project) is installed with bun so it gets an isolated
      # node_modules instead of being pulled into this repo's pnpm workspace,
      # which mixes jest copies and breaks jest-runner (leakDetector error).
      - name: Set up Bun
        uses: oven-sh/setup-bun@v2.2.0
        with:
          bun-version: ${{ env.BUN_VERSION }}

      - name: Set up Node
        uses: actions/setup-node@v6.4.0
        with:
          node-version: ${{ env.NODE_VERSION }}
          cache: 'pnpm'

      - name: Install Cornerstone dependencies
        run: pnpm install --frozen-lockfile

      - name: Build local Cornerstone packages for OHIF (includes metadata)
        run: pnpm run build:esm

      - name: Checkout OHIF
        uses: actions/checkout@v6.0.3
        with:
          repository: OHIF/Viewers
          ref: ${{ env.OHIF_REF }}
          path: ${{ env.OHIF_DIR }}
          fetch-depth: 1
          submodules: recursive

      - name: Log build context (OHIF/CS3D branch and version for build diagnosis)
        run: |
          CS3D_BRANCH=$(git rev-parse --abbrev-ref HEAD)
          CS3D_SHA=$(git rev-parse HEAD)
          OHIF_BRANCH=$(git -C "${OHIF_DIR}" rev-parse --abbrev-ref HEAD)
          OHIF_SHA=$(git -C "${OHIF_DIR}" rev-parse HEAD)
          echo "::notice::Build type: ohif-downstream | OHIF: OHIF/Viewers@${OHIF_BRANCH} (${OHIF_SHA}) | CS3D: ${{ github.repository }}@${CS3D_BRANCH} (${CS3D_SHA})"
          echo "[build-context] ═══════════════════════════════════════════════════════════════"
          echo "[build-context] Build type: ohif-downstream (CS3D repo validating against OHIF)"
          echo "[build-context] OHIF checkout: ${OHIF_BRANCH} (${OHIF_SHA}) | CS3D checkout: ${CS3D_BRANCH} (${CS3D_SHA})"
          echo "[build-context] ═══════════════════════════════════════════════════════════════"

      - name: Install OHIF dependencies
        working-directory: ${{ env.OHIF_DIR }}
        run: bun install

      - name: Link local Cornerstone packages into OHIF node_modules
        run: node scripts/link-ohif-cornerstone-node-modules.mjs ${{ env.OHIF_DIR }}

      - name: Run OHIF unit tests
        working-directory: ${{ env.OHIF_DIR }}
        run: bun run test:unit:ci

      - name: Install Playwright browsers
        working-directory: ${{ env.OHIF_DIR }}
        run: npx playwright install chromium

      - name: Run OHIF e2e tests
        working-directory: ${{ env.OHIF_DIR }}
        env:
          PLAYWRIGHT_HTML_OPEN: never
        run: bash "$GITHUB_WORKSPACE/scripts/ci/with-nashua-lock.sh" bun run test:e2e:ci

      - name: Upload OHIF Playwright artifacts
        if: always()
        uses: actions/upload-artifact@v7.0.1
        with:
          name: ohif-playwright-artifacts-${{ github.sha }}
          path: |
            ${{ env.OHIF_DIR }}/tests/playwright-report.json
            ${{ env.OHIF_DIR }}/tests/playwright-report/
            ${{ env.OHIF_DIR }}/tests/test-results/
          retention-days: 7