# SPDX-FileCopyrightText: Simon Schneegans <code@simonschneegans.de>
# SPDX-License-Identifier: CC0-1.0

name: Checks

on:
  push:
    branches:
      - "**"
  pull_request:
    branches:
      - "**"

jobs:
  clang_format:
    name: Check Clang-Format
    runs-on: ubuntu-latest
    steps:
      - name: Checkout Repository
        uses: actions/checkout@v4
      - name: Download Clang-Format
        run: |
          sudo apt update -qq
          sudo apt install clang-format -qq
      - name: Run Clang-Format
        run: scripts/clang-format.sh
      - name: Compare Results
        run: |
          DIFF=$(git diff)
          if [ ! -z "$DIFF" ]; then echo $DIFF && exit 1; fi

  reuse:
    name: Check Compliance with REUSE Specification
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: REUSE Compliance Check
        uses: fsfe/reuse-action@v1

  comment_percentage:
    name: Check Comment Percentage
    runs-on: ubuntu-latest
    if: github.event_name == 'pull_request'
    steps:
      - name: Checkout Current Repository
        uses: actions/checkout@v4
        with:
          path: current
          ref: ${{ github.ref }}
      - name: Checkout Base Repository
        uses: actions/checkout@v4
        with:
          path: base
          ref: ${{ github.base_ref }}
      - name: Download Cloc
        run: |
          sudo apt update -qq
          sudo apt install cloc -qq
      - name: Run Cloc
        run: |
          BASE="$(base/scripts/cloc.sh --percentage-only)"
          CURRENT="$(current/scripts/cloc.sh --percentage-only)"
          echo "Percentage of Comments in Base Repository: $BASE"
          echo "Percentage of Comments after Merge: $CURRENT"
          if (( $(echo "$BASE > $CURRENT" |bc -l) ))
          then
            awk -v a=$CURRENT -v b=$BASE 'BEGIN {printf "Percentage decreased! (%3.4f%)\n", (a-b)}'
            exit 1
          else
            awk -v a=$CURRENT -v b=$BASE 'BEGIN {printf "Percentage increased! (%3.4f%)\n", (a-b)}'
          fi

  shellcheck:
    name: Run ShellCheck
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - name: Run ShellCheck
        run: |
          find $GITHUB_WORKSPACE -type f -and \( -name "*.sh" \) | xargs shellcheck

  build:
    name: Run Tests
    runs-on: ubuntu-latest
    if: >
      github.event_name == 'pull_request' ||
      ( contains(github.ref, 'main') && !contains(github.event.head_commit.message, '[no-ci]') ) ||
      contains(github.event.head_commit.message, '[run-ci]')
    strategy:
      fail-fast: false
      matrix:
        version:
          - "39"
          - "40"
          - "41"
        session:
          - "gnome-xsession"
    steps:
      - uses: actions/checkout@v4
      - name: Download Dependencies
        run: |
          sudo apt update -q
          sudo apt install gettext libglib2.0-dev imagemagick
      - name: Build Desktop Cube
        run: make
      - name: Test Desktop Cube
        run: sudo $GITHUB_WORKSPACE/tests/run-test.sh -v ${{ matrix.version }} -s ${{ matrix.session }}
      - uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: log_${{ matrix.version }}_${{ matrix.session }}
          path: fail.log
      - uses: actions/upload-artifact@v4
        if: failure()
        with:
          name: screen_${{ matrix.version }}_${{ matrix.session }}
          path: fail.png