name: Build TV app

on:
  push:
  workflow_dispatch:

# No marketplace actions: this Gitea runner resolves bare action names
# against the local instance, and even with full URLs it cannot resolve
# annotated tags ("unsupported object type"). Everything below is plain
# shell, which also keeps the job readable.
jobs:
  build:
    runs-on: ubuntu-latest
    container:
      image: docker.gitea.com/runner-images:ubuntu-latest
      # A directory on the runner host, whitelisted in the runner's
      # valid_volumes. Everything the job would otherwise download on every
      # push — JDK, Android SDK, Gradle distribution and dependencies —
      # lives here and survives the container.
      options: -v /etc/komodo/stacks/gitea/runner-cache/castarr:/cache
    env:
      CACHE: /cache
      JAVA_HOME: /cache/jdk17
      ANDROID_SDK_ROOT: /cache/android-sdk
      GRADLE_USER_HOME: /cache/gradle
      JDK_URL: https://api.adoptium.net/v3/binary/latest/17/ga/linux/x64/jdk/hotspot/normal/eclipse
      CMDLINE_TOOLS: https://dl.google.com/android/repository/commandlinetools-linux-11076708_latest.zip
    steps:
      - name: Checkout
        run: |
          git init -q .
          git remote add origin "${GITHUB_SERVER_URL}/${GITHUB_REPOSITORY}.git"
          git fetch -q --depth 1 origin "${GITHUB_SHA}"
          git checkout -q FETCH_HEAD

      - name: JDK 17
        run: |
          if [ ! -x "$JAVA_HOME/bin/java" ]; then
            echo "JDK nicht im Cache — einmalig herunterladen"
            mkdir -p "$JAVA_HOME"
            curl -sSL "$JDK_URL" | tar -xz -C "$JAVA_HOME" --strip-components=1
          fi
          "$JAVA_HOME/bin/java" -version

      - name: Android SDK
        run: |
          if [ ! -d "$ANDROID_SDK_ROOT/platforms/android-35" ]; then
            echo "SDK nicht im Cache — einmalig einrichten"
            mkdir -p "$ANDROID_SDK_ROOT/cmdline-tools"
            curl -sSL -o /tmp/tools.zip "$CMDLINE_TOOLS"
            unzip -q -o /tmp/tools.zip -d "$ANDROID_SDK_ROOT/cmdline-tools"
            rm -rf "$ANDROID_SDK_ROOT/cmdline-tools/latest"
            mv "$ANDROID_SDK_ROOT/cmdline-tools/cmdline-tools" "$ANDROID_SDK_ROOT/cmdline-tools/latest"
            # Accept licences by writing the hashes: piping "yes" into
            # sdkmanager dies of SIGPIPE (exit 141) under pipefail.
            mkdir -p "$ANDROID_SDK_ROOT/licenses"
            echo "24333f8a63b6825ea9c5514f83c2829b004d1fee" > "$ANDROID_SDK_ROOT/licenses/android-sdk-license"
            echo "84831b9409646a918e30573bab4c9c91346d8abd" > "$ANDROID_SDK_ROOT/licenses/android-sdk-preview-license"
            JAVA_HOME="$JAVA_HOME" "$ANDROID_SDK_ROOT/cmdline-tools/latest/bin/sdkmanager" \
              "platforms;android-35" "build-tools;35.0.0" "platform-tools" > /dev/null
          fi
          echo "sdk.dir=$ANDROID_SDK_ROOT" > local.properties

      # One invocation, not two: a second --no-daemon run pays for another JVM
      # start and another configuration phase to redo work it just did.
      - name: Tests und Debug-APK
        run: ./gradlew testDebugUnitTest assembleDebug --no-daemon --stacktrace

      - name: Summary
        if: always()
        run: |
          echo "APK:"; ls -la app/build/outputs/apk/debug/ 2>/dev/null || echo "  (kein Build)"
          echo "Tests:"; ls tests/runs/junit/ 2>/dev/null || echo "  (keine Reports)"
          echo "Cache:"; du -sh "$CACHE"/* 2>/dev/null || echo "  (leer)"