name: 'PR Testing'

on:
  pull_request_target:
    branches: [ master ]

jobs:
  check-bridges:
    name: Check if bridges were changed
    runs-on: ubuntu-latest
    outputs:
      BRIDGES: ${{ steps.check1.outputs.BRIDGES }}
    steps:
      - name: Check number of bridges
        id: check1
        run: |
          PR=${{github.event.number}};
          wget https://patch-diff.githubusercontent.com/raw/$GITHUB_REPOSITORY/pull/$PR.patch;
          bridgeamount=$(cat $PR.patch | grep "\bbridges/[A-Za-z0-9]*Bridge\.php\b" | sed "s=.*\bbridges/\([A-Za-z0-9]*\)Bridge\.php\b.*=\1=g" | sort | uniq | wc -l);
          echo "BRIDGES=$bridgeamount" >> "$GITHUB_OUTPUT"
  test-pr:
    name: Generate HTML
    runs-on: ubuntu-latest
    needs: check-bridges
    if: needs.check-bridges.outputs.BRIDGES > 0
    env:
      PYTHONUNBUFFERED: 1
    # Needs additional permissions https://github.com/actions/first-interaction/issues/10#issuecomment-1041402989
    steps:
      - name: Check out self
        uses: actions/checkout@v4
        with:
          ref: ${{github.event.pull_request.head.ref}}
          repository: ${{github.event.pull_request.head.repo.full_name}}
      - name: Check out rss-bridge
        run: |
          PR=${{github.event.number}};
          wget -O requirements.txt https://raw.githubusercontent.com/$GITHUB_REPOSITORY/${{ github.event.pull_request.base.ref }}/.github/prtester-requirements.txt;
          wget https://raw.githubusercontent.com/$GITHUB_REPOSITORY/${{ github.event.pull_request.base.ref }}/.github/prtester.py;
          wget https://patch-diff.githubusercontent.com/raw/$GITHUB_REPOSITORY/pull/$PR.patch;
          touch DEBUG;
          cat $PR.patch | grep "\bbridges/[A-Za-z0-9]*Bridge\.php\b" | sed "s=.*\bbridges/\([A-Za-z0-9]*\)Bridge\.php\b.*=\1=g" | sort | uniq > whitelist.txt
      - name: Start Docker - Current
        run: |
          docker run -d -v $GITHUB_WORKSPACE/whitelist.txt:/app/whitelist.txt -v $GITHUB_WORKSPACE/DEBUG:/app/DEBUG -p 3000:80 ghcr.io/rss-bridge/rss-bridge:latest
      - name: Start Docker - PR
        run: |
          docker build -t prbuild .;
          docker run -d -v $GITHUB_WORKSPACE/whitelist.txt:/app/whitelist.txt -v $GITHUB_WORKSPACE/DEBUG:/app/DEBUG -p 3001:80 prbuild
      - name: Setup python
        uses: actions/setup-python@v5
        with:
          python-version: '3.13'
          cache: 'pip'
      - name: Install requirements
        run: |
          cd $GITHUB_WORKSPACE
          pip install -r requirements.txt
      - name: Run bridge tests
        id: testrun
        run: |
          mkdir results;
          python prtester.py;
          body="$(cat comment.txt)";
          body="${body//'%'/'%25'}";
          body="${body//$'\n'/'%0A'}";
          body="${body//$'\r'/'%0D'}";
          echo "bodylength=${#body}" >> $GITHUB_OUTPUT
        env:
          PR: ${{ github.event.number }}
      - name: Upload generated tests
        uses: actions/upload-artifact@v4
        id: upload-generated-tests
        with:
          name: tests
          path: '*.html'
      - name: Find Comment
        if: ${{ steps.testrun.outputs.bodylength > 130 }}
        uses: peter-evans/find-comment@v3
        id: fc
        with:
          issue-number: ${{ github.event.pull_request.number }}
          comment-author: 'github-actions[bot]'
          body-includes: Pull request artifacts
      - name: Create or update comment
        if: ${{ steps.testrun.outputs.bodylength > 130 }}
        uses: peter-evans/create-or-update-comment@v4
        with:
          comment-id: ${{ steps.fc.outputs.comment-id }}
          issue-number: ${{ github.event.pull_request.number }}
          body-file: comment.txt
          edit-mode: replace
  upload_tests:
    name: Upload tests
    runs-on: ubuntu-latest
    needs: test-pr
    steps:
      - uses: actions/checkout@v4
        with:
          repository: 'RSS-Bridge/rss-bridge-tests'
          ref: 'main'
          token:  ${{ secrets.RSSTESTER_ACTION }}
  
      - name: Setup git config
        run: |
          git config --global user.name "GitHub Actions"
          git config --global user.email "<>"
  
      - name: Download tests
        uses: actions/download-artifact@v4
        with:
          name: tests

      - name: Move tests
        run: |
          cd prs
          mkdir -p ${{github.event.number}}
          cd ${{github.event.number}}
          mv -f $GITHUB_WORKSPACE/*.html .
          
      - name: Commit and push generated tests
        run: |
          export COMMIT_MESSAGE="Added tests for PR ${{github.event.number}}"
          git add .
          git commit -m "$COMMIT_MESSAGE"
          git push