name: Release

on:
  workflow_dispatch:
  push:
    tags:
      - 'v[0-9]+.[0-9]+.[0-9]+'
      
jobs:
  pre-check:
    name: Pre-check
    runs-on: ubuntu-latest
    outputs:
      version: ${{ steps.version-check.outputs.version }}
    steps:
      - uses: actions/checkout@v4
      - id: version-check
        run: |
          version_tag="$(git describe --tags --abbrev=0 | sed 's/^v//')"
          version_toml="$(grep -m1 -F 'version =' Cargo.toml | cut -d\" -f2)"

          if [[ "$version_tag" != "$version_toml" ]]; then
            echo "Error: The git tag does not match the Cargo.toml version."
            exit 1
          fi
          echo "Success: The git tag matches the Cargo.toml version."
          echo "version=$version_toml" >> $GITHUB_OUTPUT

  build:
    needs: pre-check
    strategy:
      matrix:
        name:
          - linux-x86-64-gnu
          - linux-x86-64-musl
          - linux-armhf-gnu
          - linux-arm64-gnu
          - mac-x86-64
          - mac-arm64
          - windows-gnu
        include:
          - name: linux-x86-64-gnu
            os: ubuntu-20.04
            target: x86_64-unknown-linux-gnu
            cross: false
            experimental: false

          - name: linux-x86-64-musl
            os: ubuntu-latest
            target: x86_64-unknown-linux-musl
            cross: true
            experimental: false

          - name: linux-armhf-gnu
            os: ubuntu-20.04
            target: armv7-unknown-linux-gnueabihf
            cross: true
            experimental: false

          - name: linux-arm64-gnu
            os: ubuntu-20.04
            target: aarch64-unknown-linux-gnu
            cross: true
            experimental: false

          - name: mac-x86-64
            os: macos-latest
            target: x86_64-apple-darwin
            cross: false
            experimental: false

          - name: mac-arm64
            os: macos-11.0
            target: aarch64-apple-darwin
            cross: true
            experimental: true
          
          - name: windows-gnu
            os: windows-latest
            target: x86_64-pc-windows-gnu
            cross: true
            experimental: false

    name: Binaries for ${{ matrix.name }}
    runs-on: ${{ matrix.os }}
    continue-on-error: ${{ matrix.experimental }}

    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: ~/.cargo/registry
          key: ${{ runner.os }}-cargo-registry-${{ hashFiles('Cargo.lock') }}

      - uses: actions/cache@v4
        if: startsWith(matrix.name, 'linux-')
        with:
          path: ~/.cargo/bin
          key: ${{ runner.os }}-cargo-bin-${{ hashFiles('.github/workflows/release.yml') }}

      - uses: dtolnay/rust-toolchain@stable
        with:
          targets: ${{ matrix.target }}

      - uses: taiki-e/setup-cross-toolchain-action@v1
        with:
          target: ${{ matrix.target }}

      - uses: taiki-e/install-action@cross
        if: ${{ matrix.cross }}

      - run: cargo build --release --locked

      - name: Extract version
        shell: bash
        run: |
          echo "${{ needs.pre-check.outputs.version }}" > VERSION

      - name: Archive and Package
        shell: bash
        run: |
          set -euxo pipefail
          ext=""
          [[ "${{ matrix.name }}" == windows-* ]] && ext=".exe"
          bin="target/${{ matrix.target }}/release/keyweave${ext}"
          strip "$bin" || true
          dst="keyweave-${{ matrix.target }}"
          mkdir -p "$dst" dist
          cp "$bin" "$dst/"
          if [[ ${{ !startsWith(matrix.name, 'windows') }} ]] ; then
            tar cavf "$dst.tar.xz" "$dst"
            mv "$dst.tar.xz" dist/
          else
            mv "$dst/keyweave${ext}" dist/keyweave-${{ matrix.target }}.exe
          fi

      - uses: actions/upload-artifact@v4
        with:
          name: dist-${{ matrix.target }}
          path: dist

  release:
    needs: build
    name: Sign and Release
    runs-on: ubuntu-latest
    outputs:
      sha256sums: ${{ steps.homebrew-inputs.outputs.sha256sums }}

    permissions:
      id-token: write
      contents: write

    steps:
      - uses: actions/checkout@v4
      - uses: actions/cache@v4
        with:
          path: ~/.cargo/bin
          key: sign-tools-${{ hashFiles('.github/workflows/release.yml') }}

      - uses: actions/download-artifact@v4
        with:
          pattern: dist-*
          merge-multiple: true
          path: dist

      - name: Checksums with SHA512 and SHA256
        run: | 
          sha512sum keyweave-* | tee SHA512SUMS
          sha256sum keyweave-* | tee SHA256SUMS
          tree

      - uses: softprops/action-gh-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          generate_release_notes: true
          fail_on_unmatched_files: true
          files: |
            keyweave-*.tar.xz
            keyweave-*/keyweave.exe
            *SUMS*

      - name: Generate SHA256SUM input for Homebrew
        id: homebrew-inputs
        run: |
          sha256sums="{$(awk '{printf "%s '\''%s'\'': '\''%s'\''", (NR>1 ? "," : ""), $2, $1} END {print ""}' SHA256SUMS)}"
          echo "sha256sums=$sha256sums" >> $GITHUB_OUTPUT
  
  publish-brew:
    needs: [release, pre-check]
    name: Publish brew formula
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        name: Dispatch Homebrew release
        with:
          github-token: ${{ secrets.PAT_TOKEN }}
          script: |
            const sha256sums = ${{ needs.release.outputs.sha256sums }}
            await github.rest.actions.createWorkflowDispatch({
              owner: 'bartvdbraak',
              repo: 'homebrew-keyweave',
              workflow_id: 'release.yml',
              ref: 'main',
              inputs: {
                version: '${{ needs.pre-check.outputs.version }}',
                sha256sums: JSON.stringify(sha256sums)
              }
            })

  publish-crate:
    needs: release
    name: Publish rust crate
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - name: Publish to crates.io
        run: cargo publish --token ${CARGO_REGISTRY_TOKEN}
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}