# cimery — Release build workflow (ADR-003 A3)
# Triggered by pushing a version tag: git tag v0.1.0 && git push --tags
#
# Builds:
#   - Windows x64 binary (cimery-viewer.exe)
#   - macOS arm64 binary (cimery-viewer)
#   - Linux x64 binary   (cimery-viewer)
#
# Artifacts are uploaded to the GitHub Release.
# Code signing: placeholder (Azure Trusted Signing — ADR-003 A3).

name: Release

on:
  push:
    tags:
      - 'v*'

permissions:
  contents: write

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    name: build (${{ matrix.target }})
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        include:
          - os: windows-latest
            target: x86_64-pc-windows-msvc
            artifact: cimery-viewer.exe
            archive: cimery-viewer-windows-x64.zip
          - os: macos-latest
            target: aarch64-apple-darwin
            artifact: cimery-viewer
            archive: cimery-viewer-macos-arm64.tar.gz
          - os: ubuntu-latest
            target: x86_64-unknown-linux-gnu
            artifact: cimery-viewer
            archive: cimery-viewer-linux-x64.tar.gz
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}
      - uses: Swatinem/rust-cache@v2

      - name: Build release (PureRust — no OCCT for CI)
        run: cargo build --release -p cimery-viewer --target ${{ matrix.target }}

      - name: Package (Windows)
        if: matrix.os == 'windows-latest'
        shell: pwsh
        run: |
          $bin = "target/${{ matrix.target }}/release/${{ matrix.artifact }}"
          Compress-Archive -Path $bin -DestinationPath ${{ matrix.archive }}

      - name: Package (Unix)
        if: matrix.os != 'windows-latest'
        run: |
          bin="target/${{ matrix.target }}/release/${{ matrix.artifact }}"
          tar czf ${{ matrix.archive }} -C "$(dirname $bin)" "$(basename $bin)"

      - name: Upload to Release
        uses: softprops/action-gh-release@v2
        with:
          files: ${{ matrix.archive }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # ── Nightly channel tag ────────────────────────────────────────────────────
  # Tag convention: nightly/<date>, beta/v*, stable/v* (ADR-003 A3)
  create-release-notes:
    needs: build
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Generate changelog since last tag
        run: |
          PREV=$(git describe --tags --abbrev=0 HEAD^ 2>/dev/null || echo "")
          if [ -n "$PREV" ]; then
            git log ${PREV}..HEAD --oneline > RELEASE_NOTES.md
          else
            git log --oneline > RELEASE_NOTES.md
          fi
      - name: Update Release Notes
        uses: softprops/action-gh-release@v2
        with:
          body_path: RELEASE_NOTES.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}