name: Rust

on:
  push:
    branches: [ main ]
  pull_request:
    types: [opened, reopened, synchronize]

env:
  CARGO_TERM_COLOR: always
  MSRV: "1.89.0"

jobs:
  pre_job:
    continue-on-error: true
    runs-on: ubuntu-latest
    outputs:
      should_skip: ${{ steps.skip_check.outputs.should_skip }}
    steps:
      - id: skip_check
        uses: fkirc/skip-duplicate-actions@master
        with:
          concurrent_skipping: 'outdated_runs'
          skip_after_successful_duplicate: 'true'
          paths_ignore: '["**/*.md", "**/docs/**", "example_configs/**", "*.sh", ".dockerignore", ".gitignore", "lldap_config.docker_template.toml", "Dockerfile"]'
          do_not_skip: '["workflow_dispatch", "schedule"]'
          cancel_others: true

  test:
    name: cargo test
    needs: pre_job
    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
    runs-on: ubuntu-latest

    steps:
      - name: Checkout sources
        uses: actions/checkout@v6.0.2
      - name: Install Rust
        id: toolchain
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: "${{ env.MSRV }}"
      - uses: Swatinem/rust-cache@v2
      - name: Build
        run: cargo +${{steps.toolchain.outputs.name}} build --verbose --workspace
      - name: Run tests
        run: cargo +${{steps.toolchain.outputs.name}} test --verbose --workspace
      - name: Generate GraphQL schema
        run: cargo +${{steps.toolchain.outputs.name}} run -- export_graphql_schema -o generated_schema.graphql
      - name: Check schema
        run: diff schema.graphql generated_schema.graphql || (echo "The schema file is out of date. Please run `./export_schema.sh`" && false)


  clippy:
    name: cargo clippy
    needs: pre_job
    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v6.0.2
      - name: Install Rust
        id: toolchain
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: "${{ env.MSRV }}"
            components: clippy
      - uses: Swatinem/rust-cache@v2
      - run: cargo +${{steps.toolchain.outputs.name}} clippy --tests --workspace -- -D warnings

  format:
    name: cargo fmt
    needs: pre_job
    if: ${{ needs.pre_job.outputs.should_skip != 'true' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v6.0.2
      - name: Install Rust
        id: toolchain
        uses: dtolnay/rust-toolchain@master
        with:
            toolchain: "${{ env.MSRV }}"
            components: rustfmt
      - uses: Swatinem/rust-cache@v2
      - run: cargo +${{steps.toolchain.outputs.name}} fmt --check --all

  coverage:
    name: Code coverage
    needs:
      - pre_job
      - test
    if: ${{ needs.pre_job.outputs.should_skip != 'true' || (github.event_name == 'push' && github.ref == 'refs/heads/main') }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v6.0.2

      - name: Install Rust
        run: rustup toolchain install nightly --component llvm-tools-preview && rustup component add llvm-tools-preview --toolchain stable-x86_64-unknown-linux-gnu

      - uses: taiki-e/install-action@cargo-llvm-cov

      - uses: Swatinem/rust-cache@v2

      - name: Generate code coverage for unit test
        run: cargo llvm-cov  --workspace --no-report
      - name: Aggregate reports
        run: cargo llvm-cov --no-run --lcov --output-path lcov.info
      - name: Upload coverage to Codecov (main)
        uses: codecov/codecov-action@v4
        with:
          files: lcov.info
          fail_ci_if_error: true
          codecov_yml_path: .github/codecov.yml
          token: ${{ secrets.CODECOV_TOKEN }}