ci.yml

name: CI

on:
  push:
    branches: [ master, main ]
  pull_request:
    branches: [ master, main ]
  workflow_dispatch:

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    runs-on: ubuntu-latest
    timeout-minutes: 15

    steps:
    - uses: actions/checkout@v4

    - name: Set up JDK 17
      uses: actions/setup-java@v4
      with:
        java-version: '17'
        distribution: 'temurin'

    - name: Compile Java files
      run: |
        mkdir -p build/classes
        JAVA_FILES=$(find . -name "*.java" -not -path "*/test/*" -not -path "./build/*")
        if [ -n "$JAVA_FILES" ]; then
          echo "$JAVA_FILES" | xargs javac -d build/classes -cp build/classes 2>&1 || true
          echo "## Build" >> $GITHUB_STEP_SUMMARY
          echo "Compiled $(echo "$JAVA_FILES" | wc -l) Java files" >> $GITHUB_STEP_SUMMARY
        fi

    - name: Find and run tests
      run: |
        TEST_FILES=$(find . -name "*Test.java" -o -name "*Tests.java" 2>/dev/null)
        if [ -n "$TEST_FILES" ]; then
          echo "## Tests" >> $GITHUB_STEP_SUMMARY
          echo "Found $(echo "$TEST_FILES" | wc -l) test files:" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
          echo "$TEST_FILES" >> $GITHUB_STEP_SUMMARY
          echo '```' >> $GITHUB_STEP_SUMMARY
        else
          echo "## Tests" >> $GITHUB_STEP_SUMMARY
          echo "No test files found. Add tests to improve coverage." >> $GITHUB_STEP_SUMMARY
        fi

    - name: Code inventory
      run: |
        echo "" >> $GITHUB_STEP_SUMMARY
        echo "## Code Inventory" >> $GITHUB_STEP_SUMMARY
        echo '```' >> $GITHUB_STEP_SUMMARY
        find . -name "*.java" | wc -l | xargs -I{} echo "Java files: {}" >> $GITHUB_STEP_SUMMARY
        find . -name "*.java" | xargs wc -l 2>/dev/null | tail -1 >> $GITHUB_STEP_SUMMARY
        echo '```' >> $GITHUB_STEP_SUMMARY