name: Rust Build & Publish

on:
  push:
    paths-ignore:
      - "**.md"
  
    branches:
      - 'main'
  
  release:
    types: [published]

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout sources
        uses: actions/checkout@v3

      - name: Cache Packages
        uses: Swatinem/rust-cache@v2

      - name: Install stable toolchain
        uses: dtolnay/rust-toolchain@stable
        with:
          toolchain: stable

      - name: Install musl-gcc
        run: sudo apt-get install musl-tools

      - name: Install cargo musl target
        run: rustup target add x86_64-unknown-linux-musl

      # Building actions
      - name: Build
        run: RUSTFLAGS='-C target-feature=+crt-static' cargo build --release --target x86_64-unknown-linux-musl

      - name: Versions
        id: version
        run: echo "VERSION=$(cargo metadata --format-version 1 --no-deps | jq .packages[0].version -r | sed 's/^/v/')" >> "$GITHUB_OUTPUT"
        
      # Publishing actions

      - name: Publish to crates.io
        if: github.event_name == 'release'
        run: cargo publish --no-verify --token ${{ secrets.CARGO_REGISTRY_TOKEN }}

      - name: Calculate SHA512 checksum
        run: sha512sum target/x86_64-unknown-linux-musl/release/redlib > redlib.sha512

      - name: Calculate SHA256 checksum
        run: sha256sum target/x86_64-unknown-linux-musl/release/redlib > redlib.sha256

      - uses: actions/upload-artifact@v3
        name: Upload a Build Artifact
        with:
          name: redlib
          path: |
            target/x86_64-unknown-linux-musl/release/redlib
            redlib.sha512
            redlib.sha256
        

      - name: Release
        uses: softprops/action-gh-release@v1
        if: github.base_ref != 'main' && github.event_name == 'release'
        with:
          tag_name: ${{ steps.version.outputs.VERSION }}
          name: ${{ steps.version.outputs.VERSION }} - ${{ github.event.head_commit.message }}
          draft: true
          files: |
            target/x86_64-unknown-linux-musl/release/redlib
            redlib.sha512
            redlib.sha256
          body: |
            - ${{ github.event.head_commit.message }} ${{ github.sha }}
          generate_release_notes: true
        env:
          GITHUB_TOKEN: ${{ secrets.RELEASE_TOKEN }}