name: Build Blaze APK

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:

jobs:
  build:
    name: Build Debug APK
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Set up JDK 17
        uses: actions/setup-java@v4
        with:
          java-version: '17'
          distribution: 'temurin'
          cache: gradle

      - name: Setup Android SDK
        uses: android-actions/setup-android@v3

      - name: Cache Gradle
        uses: actions/cache@v4
        with:
          path: |
            ~/.gradle/caches
            ~/.gradle/wrapper
          key: gradle-${{ runner.os }}-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}
          restore-keys: gradle-${{ runner.os }}-

      - name: Write local.properties
        run: |
          echo "sdk.dir=$ANDROID_HOME" > local.properties
          echo "GEMINI_API_KEY=${{ secrets.GEMINI_API_KEY }}" >> local.properties

      - name: Grant execute permission to gradlew
        run: chmod +x gradlew

      - name: Build Debug APK
        run: ./gradlew assembleDebug --no-daemon

      - name: Upload APK
        uses: actions/upload-artifact@v4
        with:
          name: blaze-debug-${{ github.sha }}
          path: app/build/outputs/apk/debug/app-debug.apk
          retention-days: 30

      - name: Build Summary
        run: |
          echo "## ✅ Blaze Debug APK Built!" >> $GITHUB_STEP_SUMMARY
          echo "**Commit:** ${{ github.sha }}" >> $GITHUB_STEP_SUMMARY
          echo "**Download:** Actions → This run → Artifacts" >> $GITHUB_STEP_SUMMARY