name: Node CI

on:
  pull_request:
    types: [opened, reopened, synchronize]

concurrency:
  # Note that the `teardown-pr-preview` workflow needs the same group name
  # to cancel the running `ci` workflows
  group: ${{ github.workflow }}-${{ github.event.number }}
  cancel-in-progress: true

jobs:
  lint:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [18.x]

    steps:
      - name: Fetch commit count
        env:
          PR_COMMIT_COUNT: ${{ github.event.pull_request.commits }}
        run: |
          echo "FETCH_DEPTH=$(($PR_COMMIT_COUNT + 1))" >> $GITHUB_ENV

      - uses: actions/checkout@v4
        with:
          fetch-depth: ${{ env.FETCH_DEPTH }}

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}

      - name: Cache node modules
        id: cache-dep
        uses: actions/cache@v4
        env:
          cache-name: cache-node-modules
        with:
          path: node_modules
          key: ${{ runner.os }}-lint-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}

      - name: Install dependencies
        if: steps.cache-dep.outputs.cache-hit != 'true'
        run: npm ci

      - name: Collect changed files
        run: |
          mkdir ~/tmp/
          git diff ${{ github.event.pull_request.base.sha }} ${{ github.sha }} --diff-filter=ACM --name-only --relative '*src/**/*.ts' > ~/tmp/changed_files
          echo -e "Changed files: \n$(cat ~/tmp/changed_files)"

      - name: Lint
        run: npx eslint $(cat ~/tmp/changed_files)

      - name: Check types
        run: npm run checktype

  build:
    runs-on: ubuntu-latest

    strategy:
      matrix:
        node-version: [18.x]

    steps:
      - uses: actions/checkout@v4

      - name: Use Node.js ${{ matrix.node-version }}
        uses: actions/setup-node@v4
        with:
          node-version: ${{ matrix.node-version }}

      - name: Cache node modules
        id: cache-dep
        uses: actions/cache@v4
        env:
          cache-name: cache-node-modules
        with:
          path: node_modules
          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}

      - name: Install dependencies
        if: steps.cache-dep.outputs.cache-hit != 'true'
        run: npm ci

      - name: Unit Test
        run: npm run test

      - name: Build release
        run: npm run release

      - name: Test generated DTS
        run: npm run test:dts

      - name: Pack npm tarball
        if: ${{ github.repository_owner == 'apache' }}
        id: pack-tarball
        run: |
          export PR_PREVIEW_DIR='echarts-pr-preview'
          mkdir -p $PR_PREVIEW_DIR
          npm pack -pack-destination $PR_PREVIEW_DIR
          echo "PR_PREVIEW_DIR=$PR_PREVIEW_DIR" >> $GITHUB_ENV

      - name: Save PR metadata and dist files
        if: ${{ steps.pack-tarball.outcome == 'success' }}
        id: save-pr-data
        env:
          PR_NUMBER: ${{ github.event.number }}
          PR_COMMIT_SHA: ${{ github.event.pull_request.head.sha }}
          PR_PREVIEW_DIR: ${{ env.PR_PREVIEW_DIR }}
        run: |
          cd $PR_PREVIEW_DIR
          echo $PR_NUMBER > ./pr_number
          echo $PR_COMMIT_SHA > ./pr_commit_sha
          find . -type f -regex ".*\.tgz" -exec tar xvzf {} \;
          rm -f *.tgz
          echo -e "Dist files: \n$(ls -l)"

      - uses: actions/upload-artifact@v4
        if: ${{ steps.save-pr-data.outcome == 'success' }}
        with:
          name: pr_preview
          path: ${{ env.PR_PREVIEW_DIR }}
          retention-days: 1
          if-no-files-found: error
