name: Continuous Integration

on:
  # Allows you to run this workflow manually from the Actions tab
  workflow_dispatch:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  merge_group:

# ensure that the workflow is only triggered once per PR,  subsequent pushes to the PR will cancel
# and restart the workflow. See https://docs.github.com/en/actions/using-jobs/using-concurrency
concurrency:
  group: ${{ github.workflow }}-${{ github.head_ref || github.run_id }}
  cancel-in-progress: true

# lint, clippy and coverage jobs are intentionally early in the workflow to catch simple formatting,
# typos, and missing tests as early as possible. This allows us to fix these and resubmit the PR
# without having to wait for the comprehensive matrix of tests to complete.
jobs:
  rustfmt:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
        with:
          components: rustfmt
      - run: cargo +nightly fmt --all --check

  typos:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: crate-ci/typos@master

  dependencies:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: EmbarkStudios/cargo-deny-action@v2

  cargo-machete:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: Swatinem/rust-cache@v2
      - uses: bnjbvr/cargo-machete@v0.7.0

  clippy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: clippy
      - uses: taiki-e/install-action@cargo-make
      - uses: Swatinem/rust-cache@v2
      - run: cargo make clippy

  markdownlint:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: DavidAnson/markdownlint-cli2-action@v17
        with:
          globs: |
            '**/*.md'
            '!target'

  coverage:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
        with:
          components: llvm-tools
      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-llvm-cov,cargo-make
      - uses: Swatinem/rust-cache@v2
      - run: cargo make coverage
      - uses: codecov/codecov-action@v4
        with:
          token: ${{ secrets.CODECOV_TOKEN }}
          fail_ci_if_error: true

  check:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        toolchain: ["1.74.0", "stable"]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
      - uses: taiki-e/install-action@cargo-make
      - uses: Swatinem/rust-cache@v2
      - run: cargo make check
        env:
          RUST_BACKTRACE: full

  lint-docs:
    runs-on: ubuntu-latest
    env:
      RUSTDOCFLAGS: -Dwarnings
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@nightly
      - uses: dtolnay/install@cargo-docs-rs
      - uses: Swatinem/rust-cache@v2
      # Run cargo rustdoc with the same options that would be used by docs.rs, taking into account
      # the package.metadata.docs.rs configured in Cargo.toml.
      # https://github.com/dtolnay/cargo-docs-rs
      - run: cargo +nightly docs-rs -p ratatui

  test-doc:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@stable
      - uses: taiki-e/install-action@cargo-make
      - uses: Swatinem/rust-cache@v2
      - run: cargo make test-doc
        env:
          RUST_BACKTRACE: full

  test:
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
        toolchain: ["1.74.0", "stable"]
        backend: [crossterm, termion, termwiz]
        exclude:
          # termion is not supported on windows
          - os: windows-latest
            backend: termion
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ matrix.toolchain }}
      - uses: taiki-e/install-action@v2
        with:
          tool: cargo-make,nextest
      - uses: Swatinem/rust-cache@v2
      - run: cargo make test-backend ${{ matrix.backend }}
        env:
          RUST_BACKTRACE: full