name: Build extensions

on:
  push:
    paths:
      - 'extensions/**'
      - '.github/workflows/extensions.yml'

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build:
    strategy:
      matrix:
        include:
          - os: ubuntu-latest
            arch: x64
          - os: ubuntu-latest
            arch: ARM64
          - os: windows-latest
            arch: x64
          - os: macos-latest
            arch: x64
          - os: macos-latest
            arch: ARM64
    runs-on: ${{ matrix.os }}

    steps:
    - uses: actions/checkout@v4

    - name: Download SQLite headers (Unix)
      if: runner.os != 'Windows'
      run: cd extensions && make headers

    - name: Download SQLite headers (Windows)
      if: runner.os == 'Windows'
      run: |
        cd extensions
        curl.exe -L https://www.sqlite.org/2024/sqlite-amalgamation-3470200.zip -o sqlite-src.zip
        Expand-Archive -Path sqlite-src.zip -DestinationPath .
        Copy-Item sqlite-amalgamation-3470200\sqlite3.h .
        Copy-Item sqlite-amalgamation-3470200\sqlite3ext.h .

    - name: Set up QEMU (Linux cross-compilation)
      if: runner.os == 'Linux' && matrix.arch == 'ARM64'
      uses: docker/setup-qemu-action@v3

    - name: Build C files (Native Windows)
      if: runner.os == 'Windows'
      run: cd extensions && make -B

    - name: Build C files (Native Linux)
      if: runner.os == 'Linux' && matrix.arch == 'x64'
      run: cd extensions && make -B

    - name: Build C files (Linux cross-compilation)
      if: runner.os == 'Linux' && matrix.arch == 'ARM64'
      run: |
        cd extensions
        docker run --platform linux/arm64 \
          -v .:/extensions \
          debian:bookworm-slim \
          bash -c "apt-get update && apt-get install -y make gcc && cd /extensions && make"

    - name: Build C files (Native macOS ARM64)
      if: matrix.os == 'macos-latest' && matrix.arch == 'ARM64'
      run: cd extensions && make -B

    - name: Build C files (macOS cross-compilation)
      if: matrix.os == 'macos-latest' && matrix.arch == 'x64'
      run: |
          cd extensions
          brew install llvm
          export CC=/opt/homebrew/opt/llvm/bin/clang
          export CFLAGS="-target x86_64-apple-darwin"
          export LDFLAGS="-target x86_64-apple-darwin"
          make -B ARCH=x86_64

    - name: Commit output files
      shell: bash
      run: |
        cd extensions
        git config --local user.email "github-actions[bot]@users.noreply.github.com"
        git config --local user.name "github-actions[bot]"
        git add lib/*.{so,dylib,dll} lib/arm/*.{so,dylib}
        git commit -m "Auto-build: Update extensions [skip ci]" || echo "No changes to commit"

    - name: Push files
      shell: bash
      run: |
        CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
        for attempt in {1..3}; do
          git pull --rebase origin $CURRENT_BRANCH && git push origin $CURRENT_BRANCH && exit 0 || {
            echo "Attempt $attempt failed. Retrying in 5 seconds..."
            sleep 5
          }
        done

        echo "Failed to push changes after 3 attempts."
        exit 1