name: Lint

on:
  push:
    branches:
      - '**'
  pull_request:
    branches:
      - '**'

jobs:
  test:
    name: Lint
    runs-on: ubuntu-latest
    strategy:
      matrix:
        php-versions: ['8.2', '8.1', '8.0', '7.4']
    steps:
    - name: Cancel Previous Runs
      uses: styfle/cancel-workflow-action@0.12.1
      with:
        access_token: ${{ github.token }}
  
    - uses: actions/checkout@v4
      with:
        fetch-depth: 0  # OR "2" -> To retrieve the preceding commit.

    - name: Cache dependencies
      uses: actions/cache@v4
      with:
        path: /home/runner/cache
        key: ${{ runner.os }}-${{ hashFiles('**/*.lock') }}

    - name: Install dependencies
      run: |
        composer validate
        composer install --prefer-dist --no-progress
        npm install --save-dev

    # Check for changed files 
    - name: Check for PHP changes
      id: changed-php
      uses: tj-actions/changed-files@v42
      with:
        since_last_remote_commit: "true"
        files: |
          includes/**/*.php

    - name: Check for script changes
      id: changed-script
      uses: tj-actions/changed-files@v42
      with:
        since_last_remote_commit: "true"
        files: |
          resources/**/*.js

    - name: Check for stylesheet changes
      id: changed-stylesheet
      uses: tj-actions/changed-files@v42
      with:
        since_last_remote_commit: "true"
        files: |
          resources/**/*.css
          resources/**/*.less
          skinStyles/**/*.css
          skinStyles/**/*.less
    
    - name: Check for i18n changes
      id: changed-i18n
      uses: tj-actions/changed-files@v42
      with:
        since_last_remote_commit: "true"
        files: |
          i18n/*.json

    # Bypass the phpcbf non-standard exit code  
    - name: Lint PHP
      if: steps.changed-php.outputs.any_changed == 'true'
      continue-on-error: true
      run: |
        sh ./bin/phpcbf.sh
        composer fix
        composer test

    - name: Lint script
      if: steps.changed-script.outputs.any_changed == 'true'
      continue-on-error: true
      run: |
        npm run lint:fix:js
        npm run lint:js

    - name: Lint stylesheet
      if: steps.changed-stylesheet.outputs.any_changed == 'true'
      continue-on-error: true
      run: |
        npm run lint:fix:styles
        npm run lint:styles

    - name: Lint i18n
      if: steps.changed-i18n.outputs.any_changed == 'true'
      continue-on-error: true
      run: |
        npm run lint:i18n

    # Only patch code when it is a push event
    - name: Push the changes
      if: github.event_name == 'push'
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      run: |
        if ! git diff --exit-code --quiet; then
          git config --global user.name "github-actions"
          git config --global user.email "github-actions@users.noreply.github.com"
          git remote set-url origin "https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git"
          git add .
          git commit -am "ci: 👷 lint code to MediaWiki standards" -m "Check commit and GitHub actions for more details"
          git pull --rebase
          git push
        else
          echo "No changes to commit"
        fi