.github/workflows/timezone.yml

name: package:timezone
permissions:
  contents: read

on:
  # Run CI on all PRs (against any branch) and on pushes to the main branch.
  push:
    branches: [ main ]
    paths:
      - '.github/workflows/timezone.yml'
      - 'pkgs/timezone/**'
  pull_request:
    paths:
      - '.github/workflows/timezone.yml'
      - 'pkgs/timezone/**'
  workflow_dispatch:
  schedule:
    - cron: '0 0 * * 0' # weekly

defaults:
  run:
    working-directory: pkgs/timezone

jobs:
  build:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]
        sdk: [stable, dev]
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
        with:
          persist-credentials: false
      - uses: dart-lang/setup-dart@6afc89df92d6eb3834022f73cd65adc8cdfcb92d
        with:
          sdk: ${{ matrix.sdk }}
      - run: dart pub get
      - run: dart analyze --fatal-infos
      - run: dart format --output=none --set-exit-if-changed .
        if: ${{ matrix.sdk == 'dev' }}
      - run: dart test

  document:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
        with:
          persist-credentials: false
      - uses: dart-lang/setup-dart@6afc89df92d6eb3834022f73cd65adc8cdfcb92d
        with:
          sdk: dev
      - name: Install dependencies
        run: |
          dart pub get
          dart pub global activate dartdoc
      - name: Verify dartdoc
        run: dart pub global run dartdoc \
          --no-generate-docs \
          --errors=unresolved-doc-reference,ambiguous-doc-reference,ambiguous-reexport,broken-link,deprecated,no-library-level-docs,unknown-directive,unknown-macro

  # Job to check for new TZ database updates
  refresh-check:
    runs-on: ubuntu-latest
    if: github.event_name == 'schedule' || github.event_name == 'workflow_dispatch'
    permissions:
      contents: write
      pull-requests: write
    steps:
      - name: Generate Dart Bot Token
        id: generate-token
        uses: actions/create-github-app-token@64ab729a6294000f5aa4a4bc0b73d1f32bc45510
        with:
          client-id: ${{ vars.ECOSYSTEM_BOT_CLIENT_ID }}
          private-key: ${{ secrets.ECOSYSTEM_BOT_PRIVATE_KEY }}
          permission-contents: write
          permission-pull-requests: write

      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
        with:
          token: ${{ steps.generate-token.outputs.token }}
          persist-credentials: false
      
      - uses: dart-lang/setup-dart@6afc89df92d6eb3834022f73cd65adc8cdfcb92d
        with:
          sdk: dev

      - name: Install dependencies
        run: dart pub get

      - name: Run refresh script
        id: refresh
        run: tool/refresh.sh

      - name: Check for changes
        id: check_changes
        run: |
          if [ -n "$(git status --porcelain .)" ]; then
            echo "changed=true" >> $GITHUB_OUTPUT
          else
            echo "changed=false" >> $GITHUB_OUTPUT
          fi

      - name: Install changelog updater
        if: steps.check_changes.outputs.changed == 'true'
        run: |
          dart install --git-path pkgs/repo_manage https://github.com/dart-lang/ecosystem.git
          echo "$HOME/.local/state/Dart/install/bin" >> $GITHUB_PATH
          
      - name: Update changelog
        if: steps.check_changes.outputs.changed == 'true'
        run: report changelog "Update timezone database to ${STEPS_REFRESH_OUTPUTS_TZ_VERSION}."
        env:
          STEPS_REFRESH_OUTPUTS_TZ_VERSION: ${{ steps.refresh.outputs.tz_version }}

      - name: Create Pull Request
        if: steps.check_changes.outputs.changed == 'true'
        uses: peter-evans/create-pull-request@86c87cfdd87dd582eb8b8f226cfec4e09d825326
        with:
          token: ${{ steps.generate-token.outputs.token }}
          committer: dart-ecosystem-bot <dart-ecosystem-bot@google.com>
          author: dart-ecosystem-bot <dart-ecosystem-bot@google.com>
          commit-message: "Update time zone data to ${{ steps.refresh.outputs.tz_version }}"
          branch: "update-tzdb-${{ steps.refresh.outputs.tz_version }}"
          title: "[refresh.sh] Update time zone data to TZDB ${{ steps.refresh.outputs.tz_version }}"
          body: |
            Automated update to the latest IANA Time Zone Database version ${{ steps.refresh.outputs.tz_version }}.
            See the [IANA Time Zone Database homepage](https://www.iana.org/time-zones) for announcements and details on recent data changes.
          delete-branch: true