name: Build

on:
  push:
    tags: ['v*']

permissions:
  contents: write

jobs:
  test:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: '1.26'
      - name: Test
        run: go test -race -count=1 ./...
      - name: Vet
        run: go vet ./...

  build:
    needs: test
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - goos: linux
            goarch: amd64
          - goos: linux
            goarch: arm64
          - goos: darwin
            goarch: amd64
          - goos: darwin
            goarch: arm64
          - goos: freebsd
            goarch: amd64
          - goos: freebsd
            goarch: arm64
          - goos: windows
            goarch: amd64
          - goos: android
            goarch: arm64
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-go@v5
        with:
          go-version: '1.26'

      - name: Install UPX
        if: matrix.goos == 'linux' || matrix.goos == 'windows' || matrix.goos == 'android'
        run: sudo apt-get update && sudo apt-get install -y upx-ucl

      - name: Build Server
        if: matrix.goos != 'android'
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: '0'
        run: |
          VERSION=${GITHUB_REF_NAME:-dev}
          COMMIT=$(git rev-parse --short HEAD)
          DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          LDFLAGS="-s -w -X github.com/sartoopjj/thefeed/internal/version.Version=${VERSION} -X github.com/sartoopjj/thefeed/internal/version.Commit=${COMMIT} -X github.com/sartoopjj/thefeed/internal/version.Date=${DATE}"
          ext=""
          if [ "${{ matrix.goos }}" = "windows" ]; then ext=".exe"; fi
          go build -trimpath -ldflags="${LDFLAGS}" -o build/thefeed-server-${{ matrix.goos }}-${{ matrix.goarch }}${ext} ./cmd/server

      - name: Build Client
        env:
          GOOS: ${{ matrix.goos }}
          GOARCH: ${{ matrix.goarch }}
          CGO_ENABLED: '0'
        run: |
          VERSION=${GITHUB_REF_NAME:-dev}
          COMMIT=$(git rev-parse --short HEAD)
          DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          LDFLAGS="-s -w -X github.com/sartoopjj/thefeed/internal/version.Version=${VERSION} -X github.com/sartoopjj/thefeed/internal/version.Commit=${COMMIT} -X github.com/sartoopjj/thefeed/internal/version.Date=${DATE}"
          ext=""
          if [ "${{ matrix.goos }}" = "windows" ]; then ext=".exe"; fi
          go build -trimpath -ldflags="${LDFLAGS}" -o build/thefeed-client-${{ matrix.goos }}-${{ matrix.goarch }}${ext} ./cmd/client

      - name: Compress with UPX
        if: matrix.goos == 'linux' || matrix.goos == 'windows' || matrix.goos == 'android'
        run: |
          for f in build/*; do
            if [ -f "$f" ]; then
              upx --best --lzma "$f" || true
            fi
          done

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: binaries-${{ matrix.goos }}-${{ matrix.goarch }}
          path: build/

  android-apk:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - uses: actions/setup-go@v5
        with:
          go-version: '1.26'

      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts
          merge-multiple: true

      - name: Stage Android client binary as JNI library
        run: |
          # Package binaries as .so in jniLibs — Android installer extracts only the
          # folder matching the device ABI into nativeLibraryDir (the only exec-safe
          # location under Android's W^X policy). ABI splits in build.gradle ensure
          # the arm64 APK only contains arm64-v8a and universal contains all three.
          mkdir -p android/app/src/main/jniLibs/arm64-v8a
          test -f artifacts/thefeed-client-android-arm64

      - name: Build raw Android client binary (non-UPX)
        run: |
          VERSION=${GITHUB_REF_NAME:-dev}
          COMMIT=$(git rev-parse --short HEAD)
          DATE=$(date -u +%Y-%m-%dT%H:%M:%SZ)
          LDFLAGS="-s -w -X github.com/sartoopjj/thefeed/internal/version.Version=${VERSION} -X github.com/sartoopjj/thefeed/internal/version.Commit=${COMMIT} -X github.com/sartoopjj/thefeed/internal/version.Date=${DATE}"
          GOOS=android GOARCH=arm64 CGO_ENABLED=0 go build -trimpath -ldflags="${LDFLAGS}" -o artifacts/thefeed-client-android-arm64-raw ./cmd/client

      - name: Decode signing keystore
        env:
          KEYSTORE_BASE64: ${{ secrets.KEYSTORE_BASE64 }}
        run: |
          if [ -n "$KEYSTORE_BASE64" ]; then
            echo "$KEYSTORE_BASE64" | base64 -d > android/app/keystore.jks
            echo "Keystore decoded successfully"
          else
            echo "No KEYSTORE_BASE64 secret set — will use debug signing"
          fi

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

      - name: Set up Gradle
        uses: gradle/actions/setup-gradle@v4

      - name: Build APK variants (UPX and raw)
        working-directory: android
        env:
          KEYSTORE_PASSWORD: ${{ secrets.KEYSTORE_PASSWORD }}
          KEY_ALIAS: ${{ secrets.KEY_ALIAS }}
          KEY_PASSWORD: ${{ secrets.KEY_PASSWORD }}
        run: |
          gradle wrapper --gradle-version 8.10.2
          if [ -f app/keystore.jks ]; then BT=release; TASK=assembleRelease; else BT=debug; TASK=assembleDebug; fi

          cp ../artifacts/thefeed-client-android-arm64 app/src/main/jniLibs/arm64-v8a/libthefeed.so
          ./gradlew --no-daemon clean $TASK
          APK_UPX=$(find app/build/outputs/apk/$BT -name "*.apk" | head -1)
          cp "$APK_UPX" ../artifacts/thefeed-android-arm64-upx.apk

          cp ../artifacts/thefeed-client-android-arm64-raw app/src/main/jniLibs/arm64-v8a/libthefeed.so
          ./gradlew --no-daemon clean $TASK
          APK_RAW=$(find app/build/outputs/apk/$BT -name "*.apk" | head -1)
          cp "$APK_RAW" ../artifacts/thefeed-android-arm64.apk

      - name: Upload Android APK artifact
        uses: actions/upload-artifact@v4
        with:
          name: thefeed-android-apk
          path: |
            artifacts/thefeed-android-arm64.apk
            artifacts/thefeed-android-arm64-upx.apk

  release:
    needs: [build, android-apk]
    if: startsWith(github.ref, 'refs/tags/v')
    runs-on: ubuntu-latest
    steps:
      - name: Download all artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts
          merge-multiple: true

      - name: Create Release
        uses: softprops/action-gh-release@v2
        with:
          files: artifacts/*
          generate_release_notes: true
          prerelease: ${{ contains(github.ref_name, '-') }}