name: Storybook

on:
  push:
    branches:
      - master
      - develop
  pull_request_target:

jobs:
  build:
    runs-on: ubuntu-latest

    env:
      NODE_OPTIONS: "--max_old_space_size=7168"

    steps:
    - uses: actions/checkout@v3.3.0
      with:
        fetch-depth: 0
        submodules: true
    - name: Checkout HEAD
      if: github.event_name == 'pull_request_target'
      run: git checkout ${{ github.head_ref }}
    - name: Install pnpm
      uses: pnpm/action-setup@v2
      with:
        version: 8
        run_install: false
    - name: Use Node.js 18.x
      uses: actions/setup-node@v3.6.0
      with:
        node-version-file: '.node-version'
        cache: 'pnpm'
    - run: corepack enable
    - run: pnpm i --frozen-lockfile
    - name: Check pnpm-lock.yaml
      run: git diff --exit-code pnpm-lock.yaml
    - name: Build misskey-js
      run: pnpm --filter misskey-js build
    - name: Build storybook
      run: pnpm --filter frontend build-storybook
    - name: Publish to Chromatic
      if: github.event_name != 'pull_request_target' && github.ref == 'refs/heads/master'
      run: pnpm --filter frontend chromatic --exit-once-uploaded -d storybook-static
      env:
        CHROMATIC_PROJECT_TOKEN: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
    - name: Publish to Chromatic
      if: github.event_name != 'pull_request_target' && github.ref != 'refs/heads/master'
      id: chromatic_push
      run: |
        DIFF="${{ github.event.before }} HEAD"
        if [ "$DIFF" = "0000000000000000000000000000000000000000 HEAD" ]; then
          DIFF="HEAD"
        fi
        CHROMATIC_PARAMETER="$(node packages/frontend/.storybook/changes.js $(git diff-tree --no-commit-id --name-only -r $(echo "$DIFF") | xargs))"
        if [ "$CHROMATIC_PARAMETER" = " --skip" ]; then
          echo "skip=true" >> $GITHUB_OUTPUT
        fi
        pnpm --filter frontend chromatic --exit-once-uploaded -d storybook-static $(echo "$CHROMATIC_PARAMETER")
      env:
        CHROMATIC_PROJECT_TOKEN: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
    - name: Publish to Chromatic
      if: github.event_name == 'pull_request_target'
      id: chromatic_pull_request
      run: |
        DIFF="${{ github.base_ref }} HEAD"
        if [ "$DIFF" = "0000000000000000000000000000000000000000 HEAD" ]; then
          DIFF="HEAD"
        fi
        CHROMATIC_PARAMETER="$(node packages/frontend/.storybook/changes.js $(git diff-tree --no-commit-id --name-only -r $(echo "$DIFF") | xargs))"
        if [ "$CHROMATIC_PARAMETER" = " --skip" ]; then
          echo "skip=true" >> $GITHUB_OUTPUT
        fi
        pnpm --filter frontend chromatic --exit-once-uploaded -d storybook-static $(echo "$CHROMATIC_PARAMETER")
      env:
        CHROMATIC_PROJECT_TOKEN: ${{ secrets.CHROMATIC_PROJECT_TOKEN }}
    - name: Notify that Chromatic will skip testing
      uses: actions/github-script@v6.4.0
      if: github.event_name == 'pull_request_target' && steps.chromatic_pull_request.outputs.skip == 'true'
      with:
        github-token: ${{ secrets.GITHUB_TOKEN }}
        script: |
          github.rest.issues.createComment({
            issue_number: context.issue.number,
            owner: context.repo.owner,
            repo: context.repo.repo,
            body: 'Chromatic will skip testing but you may still have to [review the changes on Chromatic](https://www.chromatic.com/pullrequests?appId=6428f7d7b962f0b79f97d6e4).'
          })
    - name: Upload Artifacts
      uses: actions/upload-artifact@v3
      with:
        name: storybook
        path: packages/frontend/storybook-static