name: Frontend diagnostics (inspect)

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - ready_for_review
    paths:
      - packages/frontend/**
      - packages/frontend-shared/**
      - packages/frontend-builder/**
      - packages/backend/**
      - packages/i18n/**
      - packages/icons-subsetter/**
      - packages/misskey-js/**
      - packages/misskey-reversi/**
      - packages/misskey-bubble-game/**
      - package.json
      - pnpm-lock.yaml
      - pnpm-workspace.yaml
      - .node-version
      - .github/misskey/test.yml
      - packages-private/diagnostics-shared/**
      - packages-private/diagnostics-frontend/**
      - .github/workflows/frontend-diagnostics.inspect.yml
      - .github/workflows/frontend-diagnostics.comment.yml

permissions:
  contents: read
  pull-requests: read

concurrency:
  group: frontend-diagnostics-inspect-${{ github.event.pull_request.number }}
  cancel-in-progress: true

jobs:
  report:
    name: Measure frontend diagnostics
    runs-on: ubuntu-latest
    timeout-minutes: 90

    services:
      postgres:
        image: postgres:18
        ports:
          - 54312:5432
        env:
          POSTGRES_DB: test-misskey
          POSTGRES_HOST_AUTH_METHOD: trust
      redis:
        image: redis:8
        ports:
          - 56312:6379

    steps:
      - name: Checkout base
        uses: actions/checkout@v7.0.0
        with:
          persist-credentials: false
          repository: ${{ github.event.pull_request.base.repo.full_name }}
          ref: ${{ github.event.pull_request.base.sha }}
          path: base
          submodules: true

      - name: Checkout head
        uses: actions/checkout@v7.0.0
        with:
          persist-credentials: false
          repository: ${{ github.event.pull_request.head.repo.full_name }}
          ref: ${{ github.event.pull_request.head.sha }}
          path: head
          submodules: true

      - name: Setup pnpm
        uses: pnpm/action-setup@v6.0.9
        with:
          package_json_file: head/package.json

      - name: Setup Node.js
        uses: actions/setup-node@v7.0.0
        with:
          node-version-file: head/.node-version
          cache: pnpm
          cache-dependency-path: |
            base/pnpm-lock.yaml
            head/pnpm-lock.yaml

      - name: Prepare report output
        shell: bash
        run: mkdir -p "$RUNNER_TEMP/frontend-diagnostics"

      - name: Install dependencies for base
        working-directory: base
        run: pnpm i --frozen-lockfile

      - name: Configure base
        working-directory: base
        run: cp .github/misskey/test.yml .config

      - name: Build base
        working-directory: base
        env:
          FRONTEND_BUNDLE_VISUALIZER: 'true'
          FRONTEND_BUNDLE_VISUALIZER_FILE: ${{ runner.temp }}/frontend-diagnostics/base-bundle-stats.json
        run: pnpm build

      - name: Install dependencies for head
        working-directory: head
        run: pnpm i --frozen-lockfile

      - name: Configure head
        working-directory: head
        run: cp .github/misskey/test.yml .config

      - name: Build head
        working-directory: head
        env:
          FRONTEND_BUNDLE_VISUALIZER: 'true'
          FRONTEND_BUNDLE_VISUALIZER_FILE: ${{ runner.temp }}/frontend-diagnostics/head-bundle-stats.json
          FRONTEND_BUNDLE_VISUALIZER_HTML_FILE: ${{ runner.temp }}/frontend-diagnostics/frontend-bundle-visualizer.html
        run: pnpm build

      - name: Upload bundle visualizer
        id: upload-bundle-visualizer
        uses: actions/upload-artifact@v7
        with:
          name: frontend-bundle-visualizer
          path: ${{ runner.temp }}/frontend-diagnostics/frontend-bundle-visualizer.html
          if-no-files-found: error
          archive: false
          retention-days: 7

      - name: Install Playwright browsers
        working-directory: head/packages-private/diagnostics-frontend
        run: pnpm exec playwright install --with-deps --no-shell chromium

      - name: Measure frontend browser metrics
        shell: bash
        working-directory: head
        env:
          FRONTEND_BROWSER_METRICS_SAMPLE_COUNT: 5
          MK_ENABLE_CROSS_ORIGIN_ISOLATION: "true"
          # 計測ハーネスはhead側のものを両方に使うが、成果物はrunnerのworkspace直下に出す
          FRONTEND_BROWSER_HEAP_SNAPSHOT_OUTPUT_DIR: ${{ github.workspace }}
        run: |
          REPORT_DIR="$RUNNER_TEMP/frontend-diagnostics"
          pnpm --filter diagnostics-frontend run inspect-browser \
            "$GITHUB_WORKSPACE/base" "$GITHUB_WORKSPACE/head" \
            "$REPORT_DIR/base-browser.json" "$REPORT_DIR/head-browser.json"

      - name: Upload browser base heap snapshot
        id: upload-browser-base-heap-snapshot
        uses: actions/upload-artifact@v7
        with:
          name: frontend-browser-base-heap-snapshot
          path: base-heap-snapshot.heapsnapshot
          archive: false
          if-no-files-found: error
          retention-days: 7

      - name: Upload browser head heap snapshot
        id: upload-browser-head-heap-snapshot
        uses: actions/upload-artifact@v7
        with:
          name: frontend-browser-head-heap-snapshot
          path: head-heap-snapshot.heapsnapshot
          archive: false
          if-no-files-found: error
          retention-days: 7

      - name: Generate browser detailed html
        shell: bash
        working-directory: head
        run: |
          REPORT_DIR="$RUNNER_TEMP/frontend-diagnostics"
          test -s "$REPORT_DIR/base-browser.json"
          test -s "$REPORT_DIR/head-browser.json"
          pnpm --filter diagnostics-frontend run render-browser-html \
            "$REPORT_DIR/base-browser.json" "$REPORT_DIR/head-browser.json" \
            "$REPORT_DIR/frontend-browser-detailed-html.html"

      - name: Upload browser detailed html
        id: upload-browser-detailed-html
        uses: actions/upload-artifact@v7
        with:
          name: frontend-browser-metrics-detailed-html
          path: ${{ runner.temp }}/frontend-diagnostics/frontend-browser-detailed-html.html
          if-no-files-found: error
          archive: false
          retention-days: 7

      - name: Generate frontend diagnostics report
        shell: bash
        working-directory: head
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          FRONTEND_BUNDLE_REPORT_ARTIFACT_URL: ${{ steps.upload-bundle-visualizer.outputs.artifact-url }}
          FRONTEND_BROWSER_BASE_HEAP_SNAPSHOT_ARTIFACT_URL: ${{ steps.upload-browser-base-heap-snapshot.outputs.artifact-url }}
          FRONTEND_BROWSER_HEAD_HEAP_SNAPSHOT_ARTIFACT_URL: ${{ steps.upload-browser-head-heap-snapshot.outputs.artifact-url }}
          FRONTEND_BROWSER_DETAILED_HTML_ARTIFACT_URL: ${{ steps.upload-browser-detailed-html.outputs.artifact-url }}
        run: |
          REPORT_DIR="$RUNNER_TEMP/frontend-diagnostics"
          test -s "$REPORT_DIR/base-bundle-stats.json"
          test -s "$REPORT_DIR/head-bundle-stats.json"
          test -s "$REPORT_DIR/base-browser.json"
          test -s "$REPORT_DIR/head-browser.json"
          pnpm --filter diagnostics-frontend run render-md \
            "$GITHUB_WORKSPACE/base" "$GITHUB_WORKSPACE/head" \
            "$REPORT_DIR/base-bundle-stats.json" "$REPORT_DIR/head-bundle-stats.json" \
            "$REPORT_DIR/base-browser.json" "$REPORT_DIR/head-browser.json" \
            "$REPORT_DIR/frontend-diagnostics.md"
          printf '%s\n' "$PR_NUMBER" > "$REPORT_DIR/pr-number.txt"
          printf '%s\n' "$BASE_SHA" > "$REPORT_DIR/base-sha.txt"
          printf '%s\n' "$HEAD_SHA" > "$REPORT_DIR/head-sha.txt"
          printf '%s\n' "${{ github.event.pull_request.html_url }}" > "$REPORT_DIR/pr-url.txt"

      - name: Check frontend diagnostics report
        shell: bash
        run: |
          REPORT_DIR="$RUNNER_TEMP/frontend-diagnostics"
          test -s "$REPORT_DIR/frontend-diagnostics.md"
          test -s "$REPORT_DIR/frontend-browser-detailed-html.html"
          test -s "$REPORT_DIR/pr-number.txt"
          test -s "$REPORT_DIR/head-sha.txt"
          cat "$REPORT_DIR/frontend-diagnostics.md" >> "$GITHUB_STEP_SUMMARY"

      - name: Upload frontend diagnostics report
        uses: actions/upload-artifact@v7
        with:
          name: frontend-diagnostics
          path: |
            ${{ runner.temp }}/frontend-diagnostics/base-bundle-stats.json
            ${{ runner.temp }}/frontend-diagnostics/head-bundle-stats.json
            ${{ runner.temp }}/frontend-diagnostics/base-browser.json
            ${{ runner.temp }}/frontend-diagnostics/head-browser.json
            ${{ runner.temp }}/frontend-diagnostics/frontend-diagnostics.md
            ${{ runner.temp }}/frontend-diagnostics/pr-number.txt
            ${{ runner.temp }}/frontend-diagnostics/base-sha.txt
            ${{ runner.temp }}/frontend-diagnostics/head-sha.txt
            ${{ runner.temp }}/frontend-diagnostics/pr-url.txt
          if-no-files-found: error
          retention-days: 7