name: Verify release

on:
  # Run whenever a release is published.
  release:
    types: [published]
  # And whenever this workflow is updated.
  push:
    paths:
      - '.github/workflows/verify-release.yml'
  pull_request:
    paths:
      - '.github/workflows/verify-release.yml'
  # Allow manually triggering the workflow.
  workflow_dispatch:

# Cancels all previous workflow runs for the same branch that have not yet completed.
concurrency:
  # The concurrency group contains the workflow name and the branch name.
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  ##################################################################################
  # Verify the release is available in all the right places and works as expected. #
  ##################################################################################
  verify-available-downloads:
    runs-on: ubuntu-latest

    # Only run this workflow in the context of this repo.
    if: github.repository_owner == 'PHPCSStandards'

    strategy:
      fail-fast: false
      matrix:
        download_flavour:
          - "Release assets"
          - "Unversioned web"
          - "Versioned web"
        pharfile:
          - 'phpcs'
          - 'phpcbf'

    name: "${{ matrix.download_flavour }}: ${{ matrix.pharfile }}"

    steps:
      - name: Retrieve latest release info
        uses: octokit/request-action@v2.x
        id: get_latest_release
        with:
          route: GET /repos/PHPCSStandards/PHP_CodeSniffer/releases/latest
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: "DEBUG: Show API request failure status"
        if: ${{ failure() }}
        run: "echo No release found. Request failed with status ${{ steps.get_latest_release.outputs.status }}"

      - name: Grab latest tag name from API response
        id: version
        run: |
          echo "TAG=${{ fromJson(steps.get_latest_release.outputs.data).tag_name }}" >> "$GITHUB_OUTPUT"

      - name: "DEBUG: Show tag name found in API response"
        run: "echo ${{ steps.version.outputs.TAG }}"

      - name: Set source URL and file name
        id: source
        shell: bash
        run: |
          if [[ "${{ matrix.download_flavour }}" == "Release assets" ]]; then
            echo 'SRC=https://github.com/PHPCSStandards/PHP_CodeSniffer/releases/latest/download/' >> "$GITHUB_OUTPUT"
            echo "FILE=${{ matrix.pharfile }}.phar" >> "$GITHUB_OUTPUT"
          elif [[ "${{ matrix.download_flavour }}" == "Unversioned web" ]]; then
            echo 'SRC=https://phars.phpcodesniffer.com/' >> "$GITHUB_OUTPUT"
            echo "FILE=${{ matrix.pharfile }}.phar" >> "$GITHUB_OUTPUT"
          else
            echo 'SRC=https://phars.phpcodesniffer.com/phars/' >> "$GITHUB_OUTPUT"
            echo "FILE=${{ matrix.pharfile }}-${{ steps.version.outputs.TAG }}.phar" >> "$GITHUB_OUTPUT"
          fi

      - name: Verify PHAR file is available and download
        run: "wget -O ${{ steps.source.outputs.FILE }} ${{ steps.source.outputs.SRC }}${{ steps.source.outputs.FILE }}"

      - name: Verify signature file is available and download
        run: "wget -O ${{ steps.source.outputs.FILE }}.asc ${{ steps.source.outputs.SRC }}${{ steps.source.outputs.FILE }}.asc"

      - name: "DEBUG: List files"
        run: ls -Rlh

      - name: Verify attestation of the PHAR file
        run: gh attestation verify ${{ steps.source.outputs.FILE }} -o PHPCSStandards
        env:
          GH_TOKEN: ${{ github.token }}

      - name: Download public key
        env:
          FINGERPRINT: "0x689DAD778FF08760E046228BA978220305CD5C32"
        run: gpg --keyserver "hkps://keys.openpgp.org" --recv-keys "$FINGERPRINT"

      - name: Verify signature of the PHAR file
        run: gpg --verify ${{ steps.source.outputs.FILE }}.asc ${{ steps.source.outputs.FILE }}

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: 'latest'
          ini-values: error_reporting=-1, display_errors=On
          coverage: none

      # Note: the `.` is in the command to make it work for both PHPCS as well PHPCBF.
      - name: Verify the PHAR is nominally functional
        run: php ${{ steps.source.outputs.FILE }} . -e --standard=PSR12

      - name: Grab the version
        id: asset_version
        env:
          FILE_NAME: ${{ steps.source.outputs.FILE }}
        # yamllint disable-line rule:line-length
        run: echo "VERSION=$(php "$FILE_NAME" --version | grep --only-matching --max-count=1 --extended-regexp '\b[0-9]+(\.[0-9]+)+')" >> "$GITHUB_OUTPUT"

      - name: "DEBUG: Show grabbed version"
        run: echo ${{ steps.asset_version.outputs.VERSION }}

      - name: Fail the build if the PHAR is not the correct version
        if: ${{ steps.asset_version.outputs.VERSION != steps.version.outputs.TAG }}
        run: exit 1

  # #########################################
  # Verify install via PHIVE.
  # #########################################
  verify-phive:
    runs-on: ubuntu-latest

    # Only run this workflow in the context of this repo.
    if: github.repository_owner == 'PHPCSStandards'

    strategy:
      fail-fast: false
      matrix:
        pharfile:
          - 'phpcs'
          - 'phpcbf'

    name: "PHIVE: ${{ matrix.pharfile }}"

    steps:
      - name: Retrieve latest release info
        uses: octokit/request-action@v2.x
        id: get_latest_release
        with:
          route: GET /repos/PHPCSStandards/PHP_CodeSniffer/releases/latest
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

      - name: "DEBUG: Show API request failure status"
        if: ${{ failure() }}
        run: "echo No release found. Request failed with status ${{ steps.get_latest_release.outputs.status }}"

      - name: Grab latest tag name from API response
        id: version
        run: |
          echo "TAG=${{ fromJson(steps.get_latest_release.outputs.data).tag_name }}" >> "$GITHUB_OUTPUT"

      - name: "DEBUG: Show tag name found in API response"
        run: "echo ${{ steps.version.outputs.TAG }}"

      - name: Setup PHP
        uses: shivammathur/setup-php@v2
        with:
          php-version: 'latest'
          ini-values: error_reporting=-1, display_errors=On
          coverage: none
          tools: phive

      - name: Install
        run: phive install ${{ matrix.pharfile }} --copy --trust-gpg-keys 689DAD778FF08760E046228BA978220305CD5C32

      - name: "DEBUG: List files"
        run: ls -R

      - name: Verify attestation of the PHAR file
        run: gh attestation verify ./tools/${{ matrix.pharfile }} -o PHPCSStandards
        env:
          GH_TOKEN: ${{ github.token }}

      # Note: the `.` is in the command to make it work for both PHPCS as well PHPCBF.
      - name: Verify the PHAR is nominally functional
        run: php ./tools/${{ matrix.pharfile }} . -e --standard=PSR12

      - name: Grab the version
        id: asset_version
        env:
          FILE_NAME: ./tools/${{ matrix.pharfile }}
        # yamllint disable-line rule:line-length
        run: echo "VERSION=$(php "$FILE_NAME" --version | grep --only-matching --max-count=1 --extended-regexp '\b[0-9]+(\.[0-9]+)+')" >> "$GITHUB_OUTPUT"

      - name: "DEBUG: Show grabbed version"
        run: echo ${{ steps.asset_version.outputs.VERSION }}

      - name: Fail the build if the PHAR is not the correct version
        if: ${{ steps.asset_version.outputs.VERSION != steps.version.outputs.TAG }}
        run: exit 1
