name: Publish

on:
  push:
    tags:
      - "v*"

env:
  CARGO_TERM_COLOR: always

jobs:
  publish:
    name: Publish to crates.io
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - name: Install Rust
        run: |
          rustup override set stable
          rustup update stable
      - uses: Swatinem/rust-cache@v2

      - name: Verify version matches tag
        run: |
          CARGO_VERSION=$(cargo metadata --no-deps --format-version 1 | jq -r '.packages[0].version')
          TAG_VERSION="${GITHUB_REF_NAME#v}"
          if [ "$CARGO_VERSION" != "$TAG_VERSION" ]; then
            echo "Error: Cargo.toml version ($CARGO_VERSION) doesn't match tag ($TAG_VERSION)"
            exit 1
          fi

      - name: Publish
        run: cargo publish
        env:
          CARGO_REGISTRY_TOKEN: ${{ secrets.CARGO_REGISTRY_TOKEN }}