name: 🛠️ Reusable Flutter Setup

on:
  workflow_call:
    inputs:
      flutter-channel:
        description: "Flutter channel to use (stable, beta, dev, master)"
        required: false
        type: string
        default: "stable"
      java-version:
        description: "Java version to set up"
        required: false
        type: string
        default: "17"

jobs:
  setup:
    name: Setup Flutter Environment
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          submodules: recursive
      - name: Set up Java
        uses: actions/setup-java@v4
        with:
          distribution: "temurin"
          # Use the input value, fallback to default if not provided
          java-version: ${{ inputs.java-version }}
      - name: Set up Flutter
        uses: subosito/flutter-action@v2
        with:
          channel: ${{ inputs.flutter-channel }}
          flutter-version-file: pubspec.yaml
          cache: true # Cache Flutter SDK itself
      - name: Cache Flutter dependencies
        id: cache-pub # Give the step an ID to potentially reference its outputs later if needed
        uses: actions/cache@v4
        with:
          path: ${{ env.FLUTTER_HOME }}/.pub-cache
          # Use a consistent key structure based on the lock file
          key: ${{ runner.os }}-flutter-pub-${{ hashFiles('**/pubspec.lock') }}
          restore-keys: |
            ${{ runner.os }}-flutter-pub-

      - name: Get Flutter dependencies
        run: flutter pub get