ci.yml

name: CI

on:
  pull_request:
    branches:
      - develop
      - main

permissions:
  contents: read

env:
  CARGO_TERM_COLOR: always

jobs:
  check:
    name: Check, Test & Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

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

      - name: Cache cargo index
        uses: actions/cache@v4
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

      - name: Cache cargo build
        uses: actions/cache@v4
        with:
          path: target
          key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}

      - name: Cargo fmt
        run: cargo fmt --check

      - name: Cargo build
        run: cargo build --release

      - name: Cargo test
        run: cargo test

      - name: Cargo clippy
        run: cargo clippy --all-targets -- -D warnings

  publish-check:
    name: Publish Check (dry-run)
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

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

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

      - name: Cache cargo index
        uses: actions/cache@v4
        with:
          path: ~/.cargo/git
          key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

      - name: Cargo publish dry-run
        run: cargo publish --dry-run

  main-pr-checks:
    name: Main PR Requirements
    if: github.base_ref == 'main'
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Check version bump
        run: |
          CURRENT_VERSION=$(grep '^version = ' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
          echo "Version in Cargo.toml: $CURRENT_VERSION"
          LAST_TAG=$(git describe --tags --abbrev=0 2>/dev/null || echo "")
          if [ -z "$LAST_TAG" ]; then
            echo "✅ First release (no previous tags)"
          else
            LAST_VERSION=${LAST_TAG#v}
            echo "Last tag version: $LAST_VERSION"
            if [ "$CURRENT_VERSION" = "$LAST_VERSION" ]; then
              echo "❌ Version in Cargo.toml must be bumped for PRs to main"
              exit 1
            fi
            echo "✅ Version bumped correctly"
          fi