name: CI

permissions:
  contents: read
  pull-requests: read

on:
  pull_request:
    # `edited` is required so the workflow re-fires when a PR's base ref is
    # set back to `main` after a Graphite stack restack momentarily flips
    # the base off of `main`. Without it, `pull_request` triggers are not
    # re-evaluated on `base_ref_changed`, leaving required checks skipped
    # for that head SHA forever.
    types: [opened, synchronize, reopened, edited]
    branches: [main]
  push:
    branches: [main]

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

jobs:
  changes:
    name: Detect changes
    runs-on: ubuntu-latest
    timeout-minutes: 2
    outputs:
      code: ${{ steps.filter.outputs.code }}
    steps:
      # Force git-based change detection instead of the pull_request REST API.
      # The API path can fail the whole workflow on transient listFiles
      # timeouts before any real CI work starts.
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          fetch-depth: 0
      - uses: dorny/paths-filter@fbd0ab8f3e69293af611ebaee6363fc25e6d187d # v4
        id: filter
        with:
          token: ""
          filters: |
            code:
              - "packages/**"
              - "scripts/**"
              - "package.json"
              - "bun.lock"
              - "tsconfig*.json"
              - "Dockerfile*"
              - ".github/workflows/**"

  build:
    name: Build
    needs: changes
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run build

  lint:
    name: Lint
    needs: changes
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run lint

  format:
    name: Format
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run format:check

  typecheck:
    name: Typecheck
    needs: changes
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run build
      - run: bun run --filter '*' typecheck

  test:
    name: Test
    needs: changes
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run --cwd packages/core build:hyperframes-runtime
      - run: bun run --filter '!@hyperframes/producer' test

  test-runtime-contract:
    name: "Test: runtime contract"
    needs: changes
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run --filter @hyperframes/core test:hyperframe-runtime-ci

  smoke-global-install:
    name: "Smoke: global install"
    needs: [changes, build]
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - run: bun install --frozen-lockfile
      - run: bun run build

      # Pack the CLI as a tarball (simulates what `npm publish` produces)
      - name: Pack CLI tarball
        run: cd packages/cli && npm pack

      # Install globally using --prefix to avoid sudo
      - name: Install globally via npm
        run: npm install -g --prefix /tmp/hf-smoke ./packages/cli/hyperframes-cli-*.tgz

      # Scaffold a blank project
      - name: Init blank project
        run: |
          export PATH="/tmp/hf-smoke/bin:$PATH"
          mkdir /tmp/hf-project && cd /tmp/hf-project
          hyperframes init test-project --example blank

      # Start preview, probe the runtime endpoint, assert no esbuild errors
      - name: Smoke-test preview server
        run: |
          export PATH="/tmp/hf-smoke/bin:$PATH"
          cd /tmp/hf-project/test-project

          # Start the preview server in the background; capture stderr
          CI=true hyperframes preview --port 3099 2>/tmp/hf-stderr.log &
          SERVER_PID=$!

          # Wait for the server to be ready (up to 15 s)
          for i in $(seq 1 30); do
            if curl -sf http://localhost:3099/ >/dev/null 2>&1; then
              break
            fi
            sleep 0.5
          done

          # Probe the runtime JS endpoint
          BODY=$(curl -sf http://localhost:3099/api/runtime.js | head -c 200 || true)
          if [ -z "$BODY" ]; then
            echo "FAIL: /api/runtime.js returned empty response"
            kill $SERVER_PID 2>/dev/null || true
            cat /tmp/hf-stderr.log
            exit 1
          fi

          kill $SERVER_PID 2>/dev/null || true
          wait $SERVER_PID 2>/dev/null || true

          # Assert stderr does not contain esbuild / runtime load errors
          if grep -qE '✘ \[ERROR\]|Failed to load runtime' /tmp/hf-stderr.log; then
            echo "FAIL: preview emitted runtime errors:"
            cat /tmp/hf-stderr.log
            exit 1
          fi

          echo "PASS: global install smoke test succeeded"

  cli-smoke-required:
    name: "CLI smoke (required)"
    needs: changes
    if: needs.changes.outputs.code == 'true'
    runs-on: ubuntu-latest
    timeout-minutes: 25
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
        with:
          lfs: true
      - uses: oven-sh/setup-bun@0c5077e51419868618aeaa5fe8019c62421857d6 # v2
      - uses: actions/setup-node@49933ea5288caeca8642d1e84afbd3f7d6820020 # v4
        with:
          node-version: 22
      - name: Install FFmpeg
        run: |
          sudo apt-get update
          sudo apt-get install -y ffmpeg
      - name: Install dependencies
        run: bun install --frozen-lockfile
      - name: Build monorepo
        run: bun run build

      - name: Create smoke input video
        run: |
          set -euo pipefail
          ffmpeg -hide_banner -loglevel error \
            -f lavfi -i testsrc2=size=640x360:rate=30 \
            -f lavfi -i sine=frequency=880:sample_rate=48000 \
            -t 3 \
            -c:v libx264 \
            -pix_fmt yuv420p \
            -c:a aac \
            -shortest \
            -y /tmp/hf-cli-input.mp4
          test -s /tmp/hf-cli-input.mp4

      - name: Smoke-test CLI from monorepo source
        run: |
          set -euo pipefail
          rm -rf /tmp/hf-cli-inside

          bun run --filter @hyperframes/cli dev -- init /tmp/hf-cli-inside \
            --example warm-grain \
            --video /tmp/hf-cli-input.mp4 \
            --skip-transcribe \
            --non-interactive \
            --skip-skills

          bun run --filter @hyperframes/cli dev -- lint /tmp/hf-cli-inside
          bun run --filter @hyperframes/cli dev -- validate /tmp/hf-cli-inside --timeout 3000
          bun run --filter @hyperframes/cli dev -- render /tmp/hf-cli-inside \
            --quality standard \
            --workers auto \
            --strict \
            --output /tmp/hf-cli-inside/renders/inside.mp4

          test -s /tmp/hf-cli-inside/renders/inside.mp4

      - name: Pack CLI tarball
        run: |
          set -euo pipefail
          mkdir -p /tmp/hf-cli-pack
          cd packages/cli
          PACKED_TARBALL="$(npm pack --pack-destination /tmp/hf-cli-pack | tail -n 1)"
          test -n "$PACKED_TARBALL"
          test -f "/tmp/hf-cli-pack/$PACKED_TARBALL"
          echo "HF_CLI_TARBALL=/tmp/hf-cli-pack/$PACKED_TARBALL" >> "$GITHUB_ENV"

      - name: Install packed CLI outside monorepo
        run: |
          set -euo pipefail
          npm install -g --prefix /tmp/hf-cli-global "$HF_CLI_TARBALL"

      - name: Smoke-test packed CLI outside monorepo
        run: |
          set -euo pipefail
          export PATH="/tmp/hf-cli-global/bin:$PATH"
          rm -rf /tmp/hf-cli-outside

          hyperframes init /tmp/hf-cli-outside \
            --example warm-grain \
            --video /tmp/hf-cli-input.mp4 \
            --skip-transcribe \
            --non-interactive \
            --skip-skills

          hyperframes lint /tmp/hf-cli-outside
          hyperframes validate /tmp/hf-cli-outside --timeout 3000
          hyperframes render /tmp/hf-cli-outside \
            --quality standard \
            --workers auto \
            --strict \
            --output /tmp/hf-cli-outside/renders/outside.mp4

          test -s /tmp/hf-cli-outside/renders/outside.mp4

  filesize:
    name: File size check
    runs-on: ubuntu-latest
    timeout-minutes: 1
    steps:
      - uses: actions/checkout@34e114876b0b11c390a56381ad16ebd13914f8d5 # v4
      - name: Check file sizes (max 500 lines)
        run: |
          EXIT=0
          while IFS= read -r f; do
            if grep -qxF "$f" .filesize-allowlist 2>/dev/null; then continue; fi
            lines=$(wc -l < "$f")
            if [ "$lines" -gt 500 ]; then
              echo "::error file=$f::$f has $lines lines (max 500)"
              EXIT=1
            fi
          done < <(find packages/studio -path '*/node_modules' -prune -o \( -name '*.ts' -o -name '*.tsx' \) -print | grep -vE '\.(test|spec)\.(ts|tsx)$|\.generated\.')
          exit $EXIT

  semantic-pr-title:
    name: Semantic PR title
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:
      - uses: amannn/action-semantic-pull-request@e32d7e603df1aa1ba07e981f2a23455dee596825 # v5
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          types: |
            feat
            fix
            docs
            style
            refactor
            perf
            test
            build
            ci
            chore
            revert