name: Build bindings for Android
on:
  workflow_dispatch:
    inputs:
      ref:
        description: 'commit/tag/branch reference'
        required: true
        type: string
  workflow_call:
    inputs:
      repository:
        description: 'sdk repository, defaults to current repository'
        required: false
        type: string
      ref:
        description: 'commit/tag/branch reference'
        required: true
        type: string
      use-dummy-binaries:
        description: 'If true, creates dummy binaries rather than real binaries'
        required: false
        type: boolean
        default: false

jobs:
  build:
    if: ${{ !inputs.use-dummy-binaries }}
    runs-on: ubuntu-latest
    name: build ${{ matrix.target }}
    strategy:
      matrix:
        target: [
          aarch64-linux-android,
          armv7-linux-androideabi,
          i686-linux-android,
          x86_64-linux-android,
        ]
    steps:
    - name: checkout
      uses: actions/checkout@v3
      with: 
        ref: ${{ inputs.ref }}
        repository: ${{ inputs.repository || github.repository }}

    - name: Install rust toolchain
      run: |
        rustup set auto-self-update disable
        rustup toolchain install stable --profile minimal
        rustup target add ${{ matrix.target }}
        cargo install cargo-ndk

    - uses: Swatinem/rust-cache@v2
      with:
        workspaces: lib

    - name: Build bindings
      working-directory: lib/bindings
      run: |
        cargo ndk -t ${{ matrix.target }} build --release

    - name: Copy build output
      run: |
        mkdir -p dist
        cp lib/target/${{ matrix.target }}/release/libbreez_liquid_sdk_bindings.so dist

    - name: Copy libc++_shared
      if: ${{ matrix.target == 'armv7-linux-androideabi'}}
      run: cp $ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/arm-linux-androideabi/libc++_shared.so dist

    - name: Copy libc++_shared
      if: ${{ matrix.target != 'armv7-linux-androideabi'}}
      run: cp $ANDROID_NDK_HOME/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/${{ matrix.target }}/libc++_shared.so dist

    - name: Archive release
      uses: actions/upload-artifact@v3
      with:
        name: bindings-${{ matrix.target }}
        path: dist/*
  
  jnilibs:
    needs: build
    runs-on: ubuntu-latest
    name: build jniLibs
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: bindings-aarch64-linux-android
          path: arm64-v8a
      
      - uses: actions/download-artifact@v3
        with:
          name: bindings-armv7-linux-androideabi
          path: armeabi-v7a

      - uses: actions/download-artifact@v3
        with:
          name: bindings-i686-linux-android
          path: x86

      - uses: actions/download-artifact@v3
        with:
          name: bindings-x86_64-linux-android
          path: x86_64
      
      - name: Archive jniLibs
        uses: actions/upload-artifact@v3
        with:
          name: bindings-android-jniLibs
          path: ./*

  build-dummies:
    if: ${{ inputs.use-dummy-binaries }}
    runs-on: ubuntu-latest
    name: build android dummies
    strategy:
      matrix:
        target: [
          aarch64-linux-android,
          armv7-linux-androideabi,
          i686-linux-android,
          x86_64-linux-android,
        ]
    steps:
      - name: Build Android ${{ matrix.target }} dummy
        run: |
          touch libbreez_liquid_sdk_bindings.so
          touch libc++_shared.so.so

      - name: Upload dummy Android ${{ matrix.target }} artifact
        uses: actions/upload-artifact@v3
        with:
          name: bindings-${{ matrix.target }}
          path: ./*

  jnilibs-dummy:
    needs: build-dummies
    runs-on: ubuntu-latest
    name: build jniLibs dummy
    steps:
      - uses: actions/download-artifact@v3
        with:
          name: bindings-aarch64-linux-android
          path: arm64-v8a
      
      - uses: actions/download-artifact@v3
        with:
          name: bindings-armv7-linux-androideabi
          path: armeabi-v7a

      - uses: actions/download-artifact@v3
        with:
          name: bindings-i686-linux-android
          path: x86

      - uses: actions/download-artifact@v3
        with:
          name: bindings-x86_64-linux-android
          path: x86_64
      
      - name: Archive jniLibs
        uses: actions/upload-artifact@v3
        with:
          name: bindings-android-jniLibs
          path: ./*