name: Build Clash Core

on:
  push:
    paths:
      - 'core/**'
      - '.github/workflows/build-clash-core.yml'
  pull_request:
    paths:
      - 'core/**'
  workflow_dispatch:  # 允许手动触发

jobs:
  build-android:
    name: Build Android (${{ matrix.arch }})
    runs-on: client-server

    strategy:
      fail-fast: false
      matrix:
        include:
          - arch: arm64
            abi: arm64-v8a
            cc: aarch64-linux-android29-clang
          - arch: armv7
            abi: armeabi-v7a
            cc: armv7a-linux-androideabi29-clang
          - arch: x86_64
            abi: x86_64
            cc: x86_64-linux-android29-clang

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

      - name: Setup Go
        uses: actions/setup-go@v5
        with:
          go-version: '1.20'
          cache: true
          cache-dependency-path: core/go.sum

      - name: Setup Android NDK
        uses: nttld/setup-ndk@v1
        with:
          ndk-version: r25c
          add-to-path: true

      - name: Build Core
        working-directory: core
        run: make android-${{ matrix.arch }}
        env:
          ANDROID_NDK_HOME: ${{ steps.setup-ndk.outputs.ndk-path }}

      - name: Verify Build
        run: |
          echo "📦 检查编译产物..."
          ls -lh android/app/src/main/jniLibs/${{ matrix.abi }}/libclash.so
          file android/app/src/main/jniLibs/${{ matrix.abi }}/libclash.so

          echo "🔍 验证导出函数..."
          nm -D android/app/src/main/jniLibs/${{ matrix.abi }}/libclash.so | grep -E "(quickStart|getAndroidVpnOptions|startTUN)"

      - name: Calculate MD5
        id: md5
        run: |
          MD5=$(md5sum android/app/src/main/jniLibs/${{ matrix.abi }}/libclash.so | awk '{print $1}')
          echo "md5=$MD5" >> $GITHUB_OUTPUT
          echo "📋 MD5: $MD5"

      - name: Upload Artifact
        uses: actions/upload-artifact@v4
        with:
          name: libclash-${{ matrix.abi }}
          path: android/app/src/main/jniLibs/${{ matrix.abi }}/libclash.so
          retention-days: 30
          if-no-files-found: error

      - name: Comment Build Info
        if: github.event_name == 'pull_request'
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const stats = fs.statSync('android/app/src/main/jniLibs/${{ matrix.abi }}/libclash.so');
            const sizeMB = (stats.size / 1024 / 1024).toFixed(2);

            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `### 🔨 Clash Core 构建完成 (${{ matrix.abi }})

              - **架构:** ${{ matrix.abi }}
              - **大小:** ${sizeMB} MB
              - **MD5:** ${{ steps.md5.outputs.md5 }}
              - **提交:** ${context.sha.substring(0, 7)}

              [下载构建产物](https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId})`
            });

  create-release:
    name: Create Release
    needs: build-android
    runs-on: client-server
    if: startsWith(github.ref, 'refs/tags/v')

    steps:
      - name: Download All Artifacts
        uses: actions/download-artifact@v4
        with:
          path: artifacts

      - name: Create Release Archive
        run: |
          cd artifacts
          tar -czf clash-core-android-all.tar.gz libclash-*/*.so
          ls -lh clash-core-android-all.tar.gz

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v1
        with:
          files: artifacts/clash-core-android-all.tar.gz
          body: |
            ## Clash Meta 核心 Android 构建

            此版本包含所有 Android 架构的预编译二进制文件:
            - arm64-v8a (ARM64)
            - armeabi-v7a (ARMv7)
            - x86_64 (模拟器)

            **使用方法:**
            ```bash
            tar -xzf clash-core-android-all.tar.gz
            cp libclash-*/libclash.so android/app/src/main/jniLibs/
            ```
          draft: false
          prerelease: false
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}