action.yml

name: "Setup CI caches"
description: "Caches Maven dependencies and Playwright browsers. Node/pnpm setup happens in the calling workflow."
inputs:
  cache-type:
    description: "Type of cache to setup"
    required: true
  os:
    description: "Operating system for cache key"
    required: false
    default: "ubuntu-latest"

runs:
  using: "composite"
  steps:
    - name: Set up JDK 21
      if: startsWith(inputs.cache-type, 'application-server-') || contains(fromJSON('["webapp-e2e", "server-contracts"]'), inputs.cache-type)
      uses: actions/setup-java@dd06d9cba3e5552c54d9f8ea23572deb30010f7c # v6.0.0
      with:
        distribution: "temurin"
        java-version: "21"

    - name: Cache Maven repo
      # server/target/generated-sources is deliberately NOT cached. actions/cache's
      # restore-keys fallback can restore a stale generated-sources tree from a prior
      # build (e.g., from before a Java package rename); the `quick` profile in pom.xml
      # then activates on the present directory and skips codegen, causing compile
      # failures because the cached classes don't match the current sources. Codegen
      # runs in ~5s — much cheaper than that failure mode.
      if: startsWith(inputs.cache-type, 'application-server-') || contains(fromJSON('["webapp-e2e", "server-contracts"]'), inputs.cache-type)
      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
      with:
        path: |
          ~/.m2/repository
        key: ${{ inputs.os }}-maven-${{ hashFiles('server/pom.xml') || 'no-pom' }}
        restore-keys: |
          ${{ inputs.os }}-maven-

    - name: Cache Playwright browsers
      if: inputs.cache-type == 'webapp-storybook'
      uses: actions/cache@55cc8345863c7cc4c66a329aec7e433d2d1c52a9 # v6.1.0
      with:
        path: ~/.cache/ms-playwright
        key: ${{ inputs.os }}-playwright-${{ hashFiles('pnpm-lock.yaml') }}
        restore-keys: |
          ${{ inputs.os }}-playwright-