name: Build
on:
  pull_request:
  push:
    branches:
      - master
  merge_group:
  schedule:
    - cron: "00 01 * * *"

env:
  MSRV: "1.76"

jobs:
  check:
    name: Check (msrv)
    runs-on: ubuntu-latest
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Install MSRV toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}

      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: "build"

      - name: Run cargo check
        run: cargo check

  test:
    name: Test Suite
    runs-on: ${{ matrix.os }}
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    env:
      RUST_BACKTRACE: 1
      HELIX_LOG_LEVEL: info
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Install MSRV toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}

      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: "build"

      - name: Cache test tree-sitter grammar
        uses: actions/cache@v4
        with:
          path: runtime/grammars
          key: ${{ runner.os }}-stable-v${{ env.CACHE_VERSION }}-tree-sitter-grammars-${{ hashFiles('languages.toml') }}
          restore-keys: ${{ runner.os }}-stable-v${{ env.CACHE_VERSION }}-tree-sitter-grammars-

      - name: Run cargo test
        run: cargo test --workspace

      - name: Run cargo integration-test
        run: cargo integration-test

    strategy:
      matrix:
        os: [ubuntu-latest, macos-latest, windows-latest]

  lints:
    name: Lints
    runs-on: ubuntu-latest
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Install MSRV toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}
          components: rustfmt, clippy

      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: "build"

      - name: Run cargo fmt
        run: cargo fmt --all --check

      - name: Run cargo clippy
        run: cargo clippy --workspace --all-targets -- -D warnings

      - name: Run cargo doc
        run: cargo doc --no-deps --workspace --document-private-items
        env:
          RUSTDOCFLAGS: -D warnings

  docs:
    name: Docs
    runs-on: ubuntu-latest
    if: github.repository == 'helix-editor/helix' || github.event_name != 'schedule'
    steps:
      - name: Checkout sources
        uses: actions/checkout@v4

      - name: Install MSRV toolchain
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{ env.MSRV }}

      - uses: Swatinem/rust-cache@v2
        with:
          shared-key: "build"

      - name: Validate queries
        run: cargo xtask query-check

      - name: Validate themes
        run: cargo xtask theme-check

      - name: Generate docs
        run: cargo xtask docgen

      - name: Check uncommitted documentation changes
        run: |
          git diff
          git diff-files --quiet \
            || (echo "Run 'cargo xtask docgen', commit the changes and push again" \
            && exit 1)
