java_ci.yml

name: Java Patterns CI

on:
    push:
        branches: [ "main" ]
    pull_request:
        branches: [ "main" ]

jobs:
    build-and-validate:
        name: Compile & Validate Java Patterns
        runs-on: ubuntu-latest
        steps:
          - name: Checkout repository
            uses: actions/checkout@v4

          - name: Set up JDK 21
            uses: actions/setup-java@v4
            with:
              java-version: '21'
              distribution: 'temurin'

          - name: Find all Java files
            run: |
              echo "=== Java files found ==="
              find patterns-code -name "*.java" | sort
              echo "========================"
              echo "Total: $(find patterns-code -name '*.java' | wc -l) files"

          - name: Compile all Java pattern files
            run: |
              mkdir -p out
              echo "Compiling all .java files in patterns-code/..."
              javac -d out $(find patterns-code -name "*.java")
              echo "✅ All files compiled successfully!"

          - name: Run each pattern (smoke test)
            run: |
              echo "=== Running pattern programs ==="
              PASS=0
              FAIL=0

              for class_file in $(find out -name "*.class" | sed 's|out/||' | sed 's|\.class$||' | sed 's|/|.|g'); do
                echo "--- Running: $class_file ---"
                if timeout 5 java -cp out "$class_file" 2>/dev/null; then
                  PASS=$((PASS + 1))
                else
                  echo "⚠️  $class_file exited with non-zero or timed out"
                  FAIL=$((FAIL + 1))
                fi
              done

              echo ""
              echo "=== Results ==="
              echo "✅ Passed : $PASS"
              echo "⚠️  Failed : $FAIL"

          - name: Upload compiled classes as artifact
            uses: actions/upload-artifact@v4
            with:
              name: compiled-classes
              path: out/
              retention-days: 7