dircat 0.9.1

# This workflow builds and releases cross-platform binaries for the Rust project.
# It triggers automatically when a new version tag (e.g., v1.2.3) is pushed.
name: Release

on:
  push:
    tags:
      - 'v*.*.*'

  workflow_dispatch:

# Grant permissions for the workflow to create a GitHub Release and upload assets.
permissions:
  contents: write

env:
  # The name of the binary to be built.
  BINARY_NAME: dircat
  # A temporary directory for collecting release assets before packaging.
  STAGING_DIR: staging

jobs:
  build-release:
    name: Build Release Binaries (${{ matrix.target }})
    runs-on: ${{ matrix.os }}
    strategy:
      # Ensures that if one platform build fails, the others can still complete.
      fail-fast: false
      matrix:
        include:
          # --- Linux Builds ---
          # Standard GNU target for broad compatibility.
          - os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
          # Statically linked MUSL target for maximum portability across Linux distributions.
          - os: ubuntu-latest
            target: x86_64-unknown-linux-musl
          # ARM64 target for devices like Raspberry Pi 4/5 and ARM-based cloud servers.
          - os: ubuntu-latest
            target: aarch64-unknown-linux-gnu

          # --- macOS Builds ---
          # For Intel-based Macs.
          - os: macos-latest
            target: x86_64-apple-darwin
          # For Apple Silicon (M1/M2/M3) Macs.
          - os: macos-14
            target: aarch64-apple-darwin

          # --- Windows Builds ---
          # Standard 64-bit MSVC target.
          - os: windows-latest
            target: x86_64-pc-windows-msvc
          # 32-bit MSVC target for legacy system support.
          - os: windows-latest
            target: i686-pc-windows-msvc
          # ARM64 MSVC target for Windows on ARM devices (e.g., Surface Pro X).
          - os: windows-latest
            target: aarch64-pc-windows-msvc

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

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: stable
          # Install the specific target for the current matrix job.
          target: ${{ matrix.target }}
          # Enable caching for Cargo dependencies to speed up subsequent builds.
          cache: 'cargo'

      - name: Install cross-compilation dependencies (Linux)
        if: runner.os == 'Linux'
        run: |
          set -e
          # Install musl-tools for the static MUSL build.
          if [[ "${{ matrix.target }}" == "x86_64-unknown-linux-musl" ]]; then
            sudo apt-get update && sudo apt-get install -y musl-tools
          # Install the GCC cross-compiler and linker for the ARM64 build.
          elif [[ "${{ matrix.target }}" == "aarch64-unknown-linux-gnu" ]]; then
            sudo apt-get update && sudo apt-get install -y gcc-aarch64-linux-gnu
          fi

      - name: Configure Cargo linker for ARM64 cross-compile
        if: matrix.target == 'aarch64-unknown-linux-gnu'
        run: |
          mkdir -p .cargo
          # Instruct Cargo to use the cross-compiler's linker for this specific target.
          cat > .cargo/config.toml <<EOF
          [target.aarch64-unknown-linux-gnu]
          linker = "aarch64-linux-gnu-gcc"
          EOF

      - name: Build release binary
        run: cargo build --release --target ${{ matrix.target }} --verbose

      - name: Prepare artifact details
        id: artifact_details
        shell: bash
        run: |
          # Determine the binary suffix and archive format based on the target platform.
          # This centralizes naming logic and keeps the matrix definition clean.
          BIN_SUFFIX=""
          ARCHIVE_FORMAT="tar.gz"
          if [[ "${{ matrix.target }}" == *"-windows-"* ]]; then
            BIN_SUFFIX=".exe"
            ARCHIVE_FORMAT="zip"
          fi
          echo "BIN_SUFFIX=${BIN_SUFFIX}" >> $GITHUB_ENV
          echo "ARCHIVE_FORMAT=${ARCHIVE_FORMAT}" >> $GITHUB_ENV
          
          # Define the final archive filename, e.g., "dircat-v1.2.3-x86_64-unknown-linux-gnu.tar.gz".
          ARCHIVE_FILENAME="${{ env.BINARY_NAME }}-${{ github.ref_name }}-${{ matrix.target }}.${ARCHIVE_FORMAT}"
          echo "archive_filename=${ARCHIVE_FILENAME}" >> $GITHUB_OUTPUT

      - name: Create staging directory and copy files (Unix)
        if: runner.os != 'Windows'
        shell: bash
        run: |
          set -e
          mkdir -p ${{ env.STAGING_DIR }}
          cp "target/${{ matrix.target }}/release/${{ env.BINARY_NAME }}${{ env.BIN_SUFFIX }}" "${{ env.STAGING_DIR }}/"
          cp LICENSE README.md "${{ env.STAGING_DIR }}/"

      - name: Create staging directory and copy files (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          New-Item -ItemType Directory -Path "${{ env.STAGING_DIR }}" -Force
          Copy-Item -Path "target\${{ matrix.target }}\release\${{ env.BINARY_NAME }}${{ env.BIN_SUFFIX }}" -Destination "${{ env.STAGING_DIR }}\"
          Copy-Item -Path "LICENSE", "README.md" -Destination "${{ env.STAGING_DIR }}\"

      - name: Prepare archive structure for binstall
        shell: bash
        run: |
          # Create a root directory inside the archive. This is a best practice that
          # prevents "tarbombs" and is the preferred structure for `cargo binstall`.
          ARCHIVE_ROOT_DIR=$(basename "${{ steps.artifact_details.outputs.archive_filename }}" .${{ env.ARCHIVE_FORMAT }})
          echo "ARCHIVE_ROOT_DIR=${ARCHIVE_ROOT_DIR}" >> $GITHUB_ENV
          
          # Move all staged files into this new root directory.
          mkdir "$ARCHIVE_ROOT_DIR"
          mv ${{ env.STAGING_DIR }}/* "$ARCHIVE_ROOT_DIR/"

      - name: Package release artifacts (Unix)
        if: runner.os != 'Windows'
        shell: bash
        run: tar czf "${{ steps.artifact_details.outputs.archive_filename }}" "${{ env.ARCHIVE_ROOT_DIR }}"

      - name: Package release artifacts (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: Compress-Archive -Path "${{ env.ARCHIVE_ROOT_DIR }}" -DestinationPath "${{ steps.artifact_details.outputs.archive_filename }}"

      - name: Upload release asset
        uses: actions/upload-artifact@v4
        with:
          # Upload the packaged archive as a temporary artifact for the next job.
          name: release-asset-${{ matrix.target }}
          path: ${{ steps.artifact_details.outputs.archive_filename }}

  create-release:
    name: Create GitHub Release
    # This job will only run after all matrix builds in `build-release` have succeeded.
    needs: build-release
    runs-on: ubuntu-latest
    steps:
      - name: Download all release assets
        uses: actions/download-artifact@v4
        with:
          # Download all artifacts uploaded by the previous job into a single directory.
          path: release-assets

      - name: List downloaded files (for debugging)
        run: ls -R release-assets

      - name: Create Release and Upload Assets
        uses: softprops/action-gh-release@v2
        with:
          # Use the tag that triggered the workflow as the release tag.
          tag_name: ${{ github.ref_name }}
          # Automatically generate release notes from commit messages.
          generate_release_notes: true
          # Use a glob pattern to find and upload all downloaded archives.
          files: release-assets/*/*
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}