# Each `push on master` will persist image-snapshots that used as compare target in visual regression.

name: 👁️ Visual Regression Persist Start

on:
  push:
    branches:
      - master
      - feature

permissions:
  contents: read

jobs:
  # Prepare node modules. Reuse cache if available
  setup:
    name: prepare node_modules
    runs-on: ubuntu-latest
    steps:
      - name: checkout
        uses: actions/checkout@v4

      - name: cache package-lock.json
        uses: actions/cache@v4
        with:
          path: package-temp-dir
          key: lock-${{ github.sha }}

      - name: create package-lock.json
        run: npm i --package-lock-only --ignore-scripts

      - name: hack for single file
        run: |
          if [ ! -d "package-temp-dir" ]; then
            mkdir package-temp-dir
          fi
          cp package-lock.json package-temp-dir
      - name: cache node_modules
        id: node_modules_cache_id
        uses: actions/cache@v4
        with:
          path: node_modules
          key: node_modules-${{ hashFiles('**/package-temp-dir/package-lock.json') }}

      - name: install
        if: steps.node_modules_cache_id.outputs.cache-hit != 'true'
        run: npm ci

  test-image:
    name: test image
    runs-on: ubuntu-latest
    needs: setup
    steps:
      - name: checkout
        uses: actions/checkout@v4

      - name: restore cache from package-lock.json
        uses: actions/cache@v4
        with:
          path: package-temp-dir
          key: lock-${{ github.sha }}

      - name: restore cache from node_modules
        uses: actions/cache@v4
        with:
          path: node_modules
          key: node_modules-${{ hashFiles('**/package-temp-dir/package-lock.json') }}

      - name: generate image snapshots
        run: |
          node node_modules/puppeteer/install.mjs
          npm run version
          npm run test-image
          tar -czvf imageSnapshots.tar.gz imageSnapshots/*
        env:
          NODE_OPTIONS: "--max_old_space_size=4096"

      # Upload `imageSnapshots` on master
      - name: upload report artifact
        uses: actions/upload-artifact@v4
        with:
          name: image-snapshots
          path: imageSnapshots.tar.gz

      # Upload git ref for next workflow `visual-regression-persist-finish` use
      - name: Save persist key
        if: ${{ always() }}
        run: echo ${{ github.sha }} > ./visual-regression-ref.txt

      - name: Upload persist key
        if: ${{ always() }}
        uses: actions/upload-artifact@v4
        with:
          name: visual-regression-ref
          path: ./visual-regression-ref.txt