name: Build APK

on:
  workflow_dispatch:
    inputs:
      release_tag:
        required: false
        type: string
  push:
    branches:
      - master

jobs:
  build:
    runs-on: ubuntu-latest

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

    - name: Prepare build dir
      run: |
        mkdir ${{ github.workspace }}/build

    - name: Fetch AndroidLibV2rayLite
      run: |
        cd ${{ github.workspace }}/build
        git clone --depth=1 -b master https://github.com/2dust/AndroidLibV2rayLite.git
        cd AndroidLibV2rayLite
        git submodule update --init

    - name: Restore cached libtun2socks
      id: cache-libtun2socks-restore
      uses: actions/cache/restore@v4
      with:
        path: ${{ github.workspace }}/build/AndroidLibV2rayLite/libs
        key: libtun2socks-${{ runner.os }}-${{ hashFiles('build/AndroidLibV2rayLite/.git/refs/heads/master') }}-${{ hashFiles('build/AndroidLibV2rayLite/.git/modules/badvpn/HEAD') }}-${{ hashFiles('build/AndroidLibV2rayLite/.git/modules/libancillary/HEAD') }}

    - name: Setup Android NDK
      if: steps.cache-libtun2socks-restore.outputs.cache-hit != 'true'
      uses: nttld/setup-ndk@v1
      id: setup-ndk
      # Same version as https://gitlab.com/fdroid/fdroiddata/metadata/com.v2ray.ang.yml
      with:
        ndk-version: r27

    - name: Build libtun2socks
      if: steps.cache-libtun2socks-restore.outputs.cache-hit != 'true'
      run: |
        cd ${{ github.workspace }}/build/AndroidLibV2rayLite
        bash compile-tun2socks.sh
        tar -xvzf libtun2socks.so.tgz
        cp -r libs/* ${{ github.workspace }}/V2rayNG/app/libs/
      env:
        NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}

    - name: Save libtun2socks
      if: steps.cache-libtun2socks-restore.outputs.cache-hit != 'true'
      uses: actions/cache/save@v4
      with:
        path: ${{ github.workspace }}/build/AndroidLibV2rayLite/libs
        key: libtun2socks-${{ runner.os }}-${{ hashFiles('build/AndroidLibV2rayLite/.git/refs/heads/master') }}-${{ hashFiles('build/AndroidLibV2rayLite/.git/modules/badvpn/HEAD') }}-${{ hashFiles('build/AndroidLibV2rayLite/.git/modules/libancillary/HEAD') }}

    - name: Copy libtun2socks
      run: |
        cp -r ${{ github.workspace }}/build/AndroidLibV2rayLite/libs/* ${{ github.workspace }}/V2rayNG/app/libs/

    - name: Fetch AndroidLibXrayLite
      run: |
        cd ${{ github.workspace }}/build
        git clone --depth=1 -b main https://github.com/2dust/AndroidLibXrayLite.git

    - name: Restore cached libv2ray
      id: cache-libv2ray-restore
      uses: actions/cache/restore@v4
      with:
        path: ${{ github.workspace }}/build/AndroidLibXrayLite/
        key: libv2ray-${{ runner.os }}-${{ hashFiles('build/AndroidLibXrayLite/.git/refs/heads/main') }}

    - name: Setup Golang
      if: steps.cache-libv2ray-restore.outputs.cache-hit != 'true'
      uses: actions/setup-go@v5
      with:
        go-version: '1.23.4'
        cache: false

    - name: Patch Go use 600296
      if: steps.cache-libv2ray-restore.outputs.cache-hit != 'true'
      #https://go-review.googlesource.com/c/go/+/600296
      run: |
        cd "$(go env GOROOT)"
        curl "https://go-review.googlesource.com/changes/go~600296/revisions/5/patch" | base64 -d | patch --verbose -p 1

    - name: Install gomobile
      if: steps.cache-libv2ray-restore.outputs.cache-hit != 'true'
      run: |
        go install golang.org/x/mobile/cmd/gomobile@v0.0.0-20240806205939-81131f6468ab
        echo "$(go env GOPATH)/bin" >> $GITHUB_PATH

    - name: Build libv2ray
      if: steps.cache-libv2ray-restore.outputs.cache-hit != 'true'
      run: |
        cd ${{ github.workspace }}/build/AndroidLibXrayLite
        gomobile init
        go mod tidy -v
        gomobile bind -v -androidapi 21 -ldflags='-s -w' ./

    - name: Save libv2ray
      if: steps.cache-libv2ray-restore.outputs.cache-hit != 'true'
      uses: actions/cache/save@v4
      with:
        path: ${{ github.workspace }}/build/AndroidLibXrayLite/
        key: libv2ray-${{ runner.os }}-${{ hashFiles('build/AndroidLibXrayLite/.git/refs/heads/main') }}

    - name: Copy libv2ray
      run: |
        cp -r ${{ github.workspace }}/build/AndroidLibXrayLite/*.aar ${{ github.workspace }}/V2rayNG/app/libs/

    - name: Setup Java
      uses: actions/setup-java@v4
      with:
        distribution: 'temurin'
        java-version: '21'

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

    - name: Decode Keystore
      uses: timheuer/base64-to-file@v1
      id: android_keystore
      with:
        fileName: "android_keystore.jks"
        encodedString: ${{ secrets.APP_KEYSTORE_BASE64 }}

    - name: Build APK
      run: |
        cd ${{ github.workspace }}/V2rayNG
        chmod 755 gradlew
        ./gradlew licenseFdroidReleaseReport
        ./gradlew assembleRelease -Pandroid.injected.signing.store.file=${{ steps.android_keystore.outputs.filePath }} -Pandroid.injected.signing.store.password=${{ secrets.APP_KEYSTORE_PASSWORD }} -Pandroid.injected.signing.key.alias=${{ secrets.APP_KEYSTORE_ALIAS }} -Pandroid.injected.signing.key.password=${{ secrets.APP_KEY_PASSWORD }}

    - name: Upload arm64-v8a APK
      uses: actions/upload-artifact@v4
      if: ${{  success() }}
      with:
        name: arm64-v8a
        path: ${{ github.workspace }}/V2rayNG/app/build/outputs/apk/*/release/*arm64-v8a*.apk

    - name: Upload armeabi-v7a APK
      uses: actions/upload-artifact@v4
      if: ${{  success() }}
      with:
        name: armeabi-v7a
        path: ${{ github.workspace }}/V2rayNG/app/build/outputs/apk/*/release/*armeabi-v7a*.apk

    - name: Upload x86 APK
      uses: actions/upload-artifact@v4
      if: ${{  success() }}
      with:
        name: x86-apk
        path: ${{ github.workspace }}/V2rayNG/app/build/outputs/apk/*/release/*x86*.apk

    - name: Upload to release
      uses: svenstaro/upload-release-action@v2
      if: github.event.inputs.release_tag != ''
      with:
        file: ${{ github.workspace }}/V2rayNG/app/build/outputs/apk/*playstore*/release/*.apk
        tag: ${{ github.event.inputs.release_tag }}
        file_glob: true
        prerelease: true