name: License compatibility check

# Reusable workflow called from build.yml when build.gradle / module gradle
# files change. Verifies all transitive dependencies use a permitted license.
on:
  workflow_call:

permissions:
  contents: read

jobs:
  check-licence:
    runs-on: ubuntu-latest
    env:
      DEPOT_TOKEN: ${{ secrets.DEPOT_TOKEN }}
    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@ab7a9404c0f3da075243ca237b5fac12c98deaa5 # v2.19.3
        with:
          egress-policy: audit

      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - name: Set up JDK 25
        uses: actions/setup-java@be666c2fcd27ec809703dec50e508c2fdc7f6654 # v5.2.0
        with:
          java-version: "25"
          distribution: "temurin"

      - name: Cache Gradle dependency artifacts
        uses: actions/cache@27d5ce7f107fe9357f9df03efb73ab90386fccae # v5.0.5
        with:
          path: |
            ~/.gradle/wrapper
            ~/.gradle/caches/modules-2/files-2.1
            ~/.gradle/caches/modules-2/metadata-2.*
          key: gradle-deps-${{ runner.os }}-jdk-25-${{ hashFiles('**/gradle/wrapper/gradle-wrapper.properties', '**/*.gradle', '**/*.gradle.kts', 'settings.gradle', 'settings.gradle.kts', 'gradle/libs.versions.toml') }}

      - name: Setup Gradle
        uses: gradle/actions/setup-gradle@50e97c2cd7a37755bbfafc9c5b7cafaece252f6e # v6.1.0
        with:
          gradle-version: 9.3.1
          cache-disabled: true

      - name: Install Task
        uses: go-task/setup-task@3be4020d41929789a01026e0e427a4321ce0ad44 # v2.0.0
      - name: Check licenses for compatibility
        run: task backend:licenses:check
        env:
          MAVEN_USER: ${{ secrets.MAVEN_USER }}
          MAVEN_PASSWORD: ${{ secrets.MAVEN_PASSWORD }}
          MAVEN_PUBLIC_URL: ${{ secrets.MAVEN_PUBLIC_URL }}

      - name: FAILED - check the licenses for compatibility
        if: failure()
        uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
        with:
          name: dependencies-without-allowed-license.json
          path: build/reports/dependency-license/dependencies-without-allowed-license.json
          retention-days: 3