name: "M2 Coding Standard"
author: "Mage-OS"
description: "A Github Action that runs the Magento Coding Standard."

inputs:
  php_version:
    type: string
    required: true
    default: "8.2"
    description: "PHP version used to do the coding standard check (default: 8.2)."

  composer_version:
    type: string
    required: true
    default: "2"
    description: "The version of composer to use (default: 2)."

  version:
    type: string
    required: false
    default: "*"
    description: "The version of the coding standard to use (default: latest)."

  severity:
    type: string
    required: false
    default: "5"
    description: "The minimum severity required to display an error or warning (default: 5)"

  warning_severity:
    type: string
    required: false
    default: "8"
    description: "The minimum severity required to display a warning (default: 8)."

  error_severity:
    type: string
    required: false
    default: "8"
    description: "The minimum severity required to display an error (default: 8)."

  baseline_version:
    type: string
    required: false
    default: "*"
    description: "The version of phpcs baseline to use (default: latest)."

runs:
  using: composite
  steps:
    - name: Checkout Project
      uses: actions/checkout@v3
      with:
        fetch-depth: 0

    - name: Set PHP Version
      uses: shivammathur/setup-php@v2
      with:
        php-version: ${{ inputs.php_version }}
        tools: composer:v${{ inputs.composer_version }}
        coverage: none

    - name: Install Coding Standard && Codesniffer baseline
      shell: bash
      run: |
        git config --global advice.detachedHead false
        composer require "magento/magento-coding-standard: ${{ github.event.inputs.version || '*' }}" -W
        composer config --no-plugins allow-plugins.digitalrevolution/php-codesniffer-baseline true
        composer require --dev "digitalrevolution/php-codesniffer-baseline: ${{ github.event.inputs.baseline_version || '*' }}"

    - name: Register Coding Standard
      shell: bash
      run: vendor/bin/phpcs --config-set installed_paths ${{ github.workspace }}/vendor/magento/magento-coding-standard,${{ github.workspace }}/vendor/phpcompatibility/php-compatibility

    - name: Get all changed files
      uses: tj-actions/changed-files@v37
      with:
        write_output_files: true
        output_dir: ${{ github.workspace }}
        separator: " "

    - name: Verify the contents of the modified_files.txt file
      shell: bash
      run: |
        sed "s/ /\n/g" ${{ github.workspace }}/modified_files.txt > ${{ github.workspace }}/newline_file.txt
        grep -iE "\.php|\.phtml|\.html|\.xml" ${{ github.workspace }}/newline_file.txt > ${{ github.workspace }}/phpcs_files.txt || /bin/true

    - name: Checkout - Before Merge
      shell: bash
      if: test -s ${{ github.workspace }}/phpcs_files.txt
      run: |
        if ${{ github.event_name == 'pull_request' }}; then
          git checkout ${{ github.event.pull_request.base.ref }}
        else
          git checkout ${{ github.event.before }}
        fi

    - name: Filter php files and execute phpcs - Before Merge
      shell: bash
      if: test -s ${{ github.workspace }}/phpcs_files.txt
      run: |
        php vendor/bin/phpcs --standard=Magento2 \
        $([ -n "${{ inputs.severity }}" ] && echo "--severity=${{ inputs.severity }}") \
        $([ -n "${{ inputs.warning_severity }}" ] && echo "--warning-severity=${{ inputs.warning_severity }}") \
        $([ -n "${{ inputs.error_severity }}" ] && echo "--error-severity=${{ inputs.error_severity }}") \
        --report=\\DR\\CodeSnifferBaseline\\Reports\\Baseline --report-file=${{ github.workspace }}/phpcs.baseline.xml --file-list=${{ github.workspace }}/phpcs_files.txt || /bin/true

    - name: Checkout after Merge and execute phpcs
      shell: bash
      if: test -s ${{ github.workspace }}/phpcs_files.txt
      run: |
        if ${{ github.event_name == 'pull_request' }}; then
          git checkout ${{ github.event.pull_request.head.ref }}
        else
          git checkout ${{ github.event.after }}
        fi
        php vendor/bin/phpcs --standard=Magento2 \
        $([ -n "${{ inputs.severity }}" ] && echo "--severity=${{ inputs.severity }}") \
        $([ -n "${{ inputs.warning_severity }}" ] && echo "--warning-severity=${{ inputs.warning_severity }}") \
        $([ -n "${{ inputs.error_severity }}" ] && echo "--error-severity=${{ inputs.error_severity }}") \
        --file-list=${{ github.workspace }}/phpcs_files.txt