name: Build Samples

on:
  workflow_dispatch:
  pull_request:
    branches: [ main ]
    paths:
      - 'samples/**'
  push:
    branches: [ main ]
    paths:
      - 'samples/**'

concurrency:
  group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
  # Cancel only when the run is NOT on `main` branch
  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}

env:
  JAVA_VERSION: 21
  JAVA_DISTRIBUTION: temurin
  GRADLE_OPTS: "-Dorg.gradle.daemon=false"

jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        sample:
          - kotlin-mcp-client
          - kotlin-mcp-server
          - simple-streamable-server
          - weather-stdio-server

    name: Build Sample (${{ matrix.sample }})
    timeout-minutes: 10
    steps:
      - uses: actions/checkout@v7

      - name: Set up JDK ${{ env.JAVA_VERSION }}
        uses: actions/setup-java@v6
        with:
          java-version: ${{ env.JAVA_VERSION }}
          distribution: ${{ env.JAVA_DISTRIBUTION }}

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@v6.3.0
        with:
          validate-wrappers: true
          add-job-summary: 'always'
          cache-read-only: ${{ github.ref != 'refs/heads/main' }}

      - name: "Build Sample: ${{ matrix.sample }}"
        working-directory: ./samples/${{ matrix.sample }}
        run: ./gradlew build

      - name: Upload Reports
        if: failure()
        uses: actions/upload-artifact@v7
        with:
          name: reports-samples-${{ matrix.sample }}
          path: |
            **/build/reports/