name: e2e-test

on:
  push:
    branches:
      - main
    paths:
      - "build.zig"
      - "src/**/*.zig"
      - "src/*.zig"
      - "vendor/zig-js-runtime"
      - ".github/**"
      - "vendor/**"
  pull_request:

    # By default GH trigger on types opened, synchronize and reopened.
    # see https://docs.github.com/en/actions/using-workflows/events-that-trigger-workflows#pull_request
    # Since we skip the job when the PR is in draft state, we want to force CI
    # running when the PR is marked ready_for_review w/o other change.
    # see https://github.com/orgs/community/discussions/25722#discussioncomment-3248917
    types: [opened, synchronize, reopened, ready_for_review]

    paths:
      - ".github/**"
      - "build.zig"
      - "src/**/*.zig"
      - "src/*.zig"
      - "vendor/**"
      - ".github/**"
      - "vendor/**"
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:

jobs:
  zig-build-release:
    name: zig build release

    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
          # fetch submodules recusively, to get zig-js-runtime submodules also.
          submodules: recursive

      - uses: ./.github/actions/install

      - name: zig build release
        run: zig build --release=safe -Doptimize=ReleaseSafe -Dcpu=x86_64 -Dgit_commit=$(git rev-parse --short ${{ github.sha }})

      - name: upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: lightpanda-build-release
          path: |
            zig-out/bin/lightpanda
          retention-days: 1

  puppeteer-perf:
    name: puppeteer-perf
    needs: zig-build-release

    env:
      MAX_MEMORY: 29000
      MAX_AVG_DURATION: 24
      LIGHTPANDA_DISABLE_TELEMETRY: true

    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - uses: actions/checkout@v4
        with:
          repository: 'lightpanda-io/demo'
          fetch-depth: 0

      - run: npm install

      - name: download artifact
        uses: actions/download-artifact@v4
        with:
          name: lightpanda-build-release

      - run: chmod a+x ./lightpanda

      - name: run puppeteer
        run: |
          python3 -m http.server 1234 -d ./public & echo $! > PYTHON.pid
          ./lightpanda serve & echo $! > LPD.pid
          RUNS=100 npm run bench-puppeteer-cdp > puppeteer.out || exit 1
          cat /proc/`cat LPD.pid`/status |grep VmHWM|grep -oP '\d+' > LPD.VmHWM
          kill `cat LPD.pid` `cat PYTHON.pid`

      - name: puppeteer result
        run: cat puppeteer.out

      - name: memory regression
        run: |
          export LPD_VmHWM=`cat LPD.VmHWM`
          echo "Peak resident set size: $LPD_VmHWM"
          test "$LPD_VmHWM" -le "$MAX_MEMORY"

      - name: duration regression
        run: |
          export PUPPETEER_AVG_DURATION=`cat puppeteer.out|grep 'avg run'|sed 's/avg run duration (ms) //'`
          echo "puppeteer avg duration: $PUPPETEER_AVG_DURATION"
          test "$PUPPETEER_AVG_DURATION" -le "$MAX_AVG_DURATION"

  demo-scripts:
    name: demo-scripts
    needs: zig-build-release

    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
      - uses: actions/checkout@v4
        with:
          repository: 'lightpanda-io/demo'
          fetch-depth: 0

      - run: npm install

      - name: download artifact
        uses: actions/download-artifact@v4
        with:
          name: lightpanda-build-release

      - run: chmod a+x ./lightpanda

      - name: run end to end tests
        run: |
          ./lightpanda serve & echo $! > LPD.pid
          go run runner/main.go --verbose
          kill `cat LPD.pid`

  cdp-and-hyperfine-bench:
    name: cdp-and-hyperfine-bench
    needs: zig-build-release

    # use a self host runner.
    runs-on: lpd_bench_m5.large
    timeout-minutes: 15

    steps:
      - uses: actions/checkout@v4
        with:
          repository: 'lightpanda-io/demo'
          fetch-depth: 0

      - run: npm install

      - name: download artifact
        uses: actions/download-artifact@v4
        with:
          name: lightpanda-build-release

      - run: chmod a+x ./lightpanda

      - name: start http
        run: go run ws/main.go & echo $! > WS.pid

      - name: run puppeteer
        run: |
          ./lightpanda serve & echo $! > LPD.pid
          RUNS=100 npm run bench-puppeteer-cdp > puppeteer.out || exit 1
          cat /proc/`cat LPD.pid`/status |grep VmHWM|grep -oP '\d+' > LPD.VmHWM
          kill `cat LPD.pid`

      - name: puppeteer result
        run: cat puppeteer.out

      - name: json output
        run: |
          export AVG_DURATION=`cat puppeteer.out|grep 'avg run'|sed 's/avg run duration (ms) //'`
          export TOTAL_DURATION=`cat puppeteer.out|grep 'total duration'|sed 's/total duration (ms) //'`
          export LPD_VmHWM=`cat LPD.VmHWM`
          echo "{\"duration_total\":${TOTAL_DURATION},\"duration_avg\":${AVG_DURATION},\"mem_peak\":${LPD_VmHWM}}" > bench.json
          cat bench.json

      - name: run hyperfine
        run: |
          hyperfine --export-json=hyperfine.json --warmup 3 --runs 20 --shell=none "./lightpanda --dump http://127.0.0.1:1234/campfire-commerce/"

      - name: stop http
        run: kill `cat WS.pid`

      - name: write commit
        run: |
          echo "${{github.sha}}" > commit.txt

      - name: upload artifact
        uses: actions/upload-artifact@v4
        with:
          name: bench-results
          path: |
            bench.json
            hyperfine.json
            commit.txt
          retention-days: 10


  perf-fmt:
    name: perf-fmt
    needs: cdp-and-hyperfine-bench

    # Don't execute on PR
    if: github.event_name != 'pull_request'

    runs-on: ubuntu-latest
    timeout-minutes: 15

    container:
      image: ghcr.io/lightpanda-io/perf-fmt:latest
      credentials:
       username: ${{ github.actor }}
       password: ${{ secrets.GITHUB_TOKEN }}

    steps:
      - name: download artifact
        uses: actions/download-artifact@v4
        with:
          name: bench-results

      - name: format and send json result
        run: /perf-fmt cdp ${{ github.sha }} bench.json

      - name: format and send json result
        run: /perf-fmt hyperfine ${{ github.sha }} hyperfine.json