name: Android app CI
on:
    # Build whenever a file that affects Android is changed by a push
    push:
        paths:
            - .github/workflows/android-app.yml
            - android/**
            - mullvad-daemon/**
            - mullvad-jni/**
            - mullvad-paths/**
            - mullvad-problem-report/**
            - mullvad-rpc/**
            - mullvad-types/**
            - talpid-core/**
            - talpid-platform-metadata/**
            - talpid-types/**
            - talpid-types/**
            - wireguard/**
            - Cargo.toml
            - build-apk.sh
            - update-api-metadata.sh
            - update-version-metadata.sh
            - version-metadata.sh
    # Build if requested manually from the Actions tab
    workflow_dispatch:
jobs:
    build:
        runs-on: ubuntu-latest
        steps:
            - name: Checkout repository
              uses: actions/checkout@v2

            - name: Declare commit sha variable
              id: vars
              shell: bash
              run: |
                echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"

            - name: Configure Rust
              uses: ATiltedTree/setup-rust@v1.0.4
              with:
                  rust-version: stable
                  targets: x86_64-linux-android

            - name: Configure Go
              uses: actions/setup-go@v2.1.3
              with:
                  go-version: 1.16

            - name: Configure Android SDK
              uses: maxim-lobanov/setup-android-tools@v1
              with:
                  packages: |
                      platforms;android-30
                      build-tools;30.0.3
                  cache: true

            - name: Configure Android NDK
              id: install-android-ndk
              uses: nttld/setup-ndk@v1
              with:
                  ndk-version: r20b

            - name: Configure cache
              uses: actions/cache@v2
              with:
                path: |
                    ~/.gradle/caches
                    ~/.gradle/wrapper
                    ./android/build
                key: gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}-${{ steps.vars.outputs.sha_short }}
                restore-keys: |
                    gradle-${{ steps.vars.outputs.sha_short }}

            - name: Bind Cargo with NDK
              run: |
                cat >> $HOME/.cargo/config << EOF
                [target.x86_64-linux-android]
                ar = "${{ steps.install-android-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android-ar"
                linker = "${{ steps.install-android-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android21-clang"
                EOF

            - name: Build and run unit tests
              env:
                RUSTFLAGS: --deny warnings
                NDK_TOOLCHAIN_DIR: ${{ steps.install-android-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/bin
                AR_x86_64_linux_android: ${{ steps.install-android-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android-ar
                CC_x86_64_linux_android: ${{ steps.install-android-ndk.outputs.ndk-path }}/toolchains/llvm/prebuilt/linux-x86_64/bin/x86_64-linux-android21-clang
                ARCHITECTURES: aarch64 x86_64
              run: |
                ./wireguard/build-wireguard-go.sh --android --no-docker
                source env.sh x86_64-linux-android
                cargo build --target x86_64-linux-android --verbose --package mullvad-jni
                cd android
                ./gradlew --console plain assembleDebug
                ./gradlew testDebugUnitTest

    instrumented-tests:
        name: Instrumented tests
        runs-on: macos-latest
        timeout-minutes: 30
        needs:
          - build
        strategy:
            fail-fast: false
        steps:
            - name: Checkout repository
              uses: actions/checkout@v2

            - name: Declare commit sha variable
              id: vars
              shell: bash
              run: |
                echo "::set-output name=sha_short::$(git rev-parse --short HEAD)"

            - name: Set up Java
              uses: actions/setup-java@v1
              with:
                java-version: 1.8

            - uses: gradle/wrapper-validation-action@v1

            - name: Configure cache
              uses: actions/cache@v2
              with:
                path: |
                    ~/.gradle/caches
                    ~/.gradle/wrapper
                    ./android/build
                key: gradle-${{ hashFiles('**/*.gradle*', '**/gradle-wrapper.properties') }}-${{ steps.vars.outputs.sha_short }}
                restore-keys: |
                    gradle-${{ steps.vars.outputs.sha_short }}

            - name: Run Android instrumented tests
              uses: reactivecircus/android-emulator-runner@v2
              with:
                api-level: 29
                arch: x86_64
                emulator-options: -no-window -gpu swiftshader_indirect -no-snapshot-load -noaudio -no-boot-anim
                disable-animations: true
                profile: pixel
                script: ./gradlew connectedCheck --stacktrace
                working-directory: ./android
              env:
                API_LEVEL: 29