name: Checks / CI

on:
  push:
  workflow_dispatch:

# Cancel in-progress runs when a new push is made to the same branch
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  fast-checks:
    name: Prek & Format
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Install uv
        uses: https://github.com/astral-sh/setup-uv@v6
        with:
          enable-cache: true
          ignore-nothing-to-cache: true
          cache-dependency-glob: ''

      - name: Run prek (formerly prefligit)
        run: uvx prek run --show-diff-on-failure --color=always -v --all-files --hook-stage manual

      - name: Install rust nightly with rustfmt
        run: |
          uvx rustup override set nightly
          uvx rustup component add rustfmt

      - name: Check formatting
        run: |
          cargo +nightly fmt --all -- --check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Install uv
        uses: https://github.com/astral-sh/setup-uv@v6
        with:
          enable-cache: true
          ignore-nothing-to-cache: true
          cache-dependency-glob: ''  # Disable Python dependency tracking for Rust project

      - name: Install Rust toolchain
        run: |
          # Install toolchain from rust-toolchain.toml
          uvx rustup show  # This will auto-install from rust-toolchain.toml

      # cache-apt-pkgs-action requires apt lists to be initialised first
      - name: Update APT package lists
        run: sudo apt-get update

      - name: Cache system packages
        uses: https://github.com/awalsh128/cache-apt-pkgs-action@latest
        with:
          packages: clang liburing-dev
          version: 1.0

      - name: Cache Rust registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/git
            !~/.cargo/git/checkouts
            ~/.cargo/registry
            !~/.cargo/registry/src
          key: rust-registry-${{hashFiles('**/Cargo.lock') }}

      - name: Run Clippy lints
        run: |
          cargo clippy \
            --workspace \
            --features full \
            --locked \
            --no-deps \
            --profile test \
            -- \
            -D warnings

  tests:
    name: Tests
    runs-on: ubuntu-latest
    env:
      SCCACHE_ENABLED: ${{ vars.GH_APP_ID != '' && secrets.GH_APP_PRIVATE_KEY != '' }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          persist-credentials: false

      - name: Install uv
        uses: https://github.com/astral-sh/setup-uv@v6
        with:
          enable-cache: true
          ignore-nothing-to-cache: true
          cache-dependency-glob: ''  # Disable Python dependency tracking for Rust project

      - name: Install Rust toolchain
        run: |
          # Install toolchain from rust-toolchain.toml
          uvx rustup show  # This will auto-install from rust-toolchain.toml

      # cache-apt-pkgs-action requires apt lists to be initialised first
      - name: Update APT package lists
        run: sudo apt-get update

      - name: Cache system packages
        uses: https://github.com/awalsh128/cache-apt-pkgs-action@latest
        with:
          packages: clang liburing-dev
          version: 1.0

      - name: Cache Rust registry
        uses: actions/cache@v4
        with:
          path: |
            ~/.cargo/git
            !~/.cargo/git/checkouts
            ~/.cargo/registry
            !~/.cargo/registry/src
          key: rust-registry-${{hashFiles('**/Cargo.lock') }}

      - name: Create GitHub App token for sccache
        if: env.SCCACHE_ENABLED == 'true'
        uses: https://github.com/actions/create-github-app-token@v1
        id: app-token
        with:
          app-id: ${{ vars.GH_APP_ID }}
          private-key: ${{ secrets.GH_APP_PRIVATE_KEY }}
          github-api-url: https://api.github.com
          owner: ${{ vars.GH_APP_OWNER }}
          repositories: ""

      - name: Setup sccache
        if: env.SCCACHE_ENABLED == 'true'
        uses: ./.forgejo/actions/sccache
        with:
          token: ${{ steps.app-token.outputs.token }}

      - name: Setup Timelord
        if: env.SCCACHE_ENABLED == 'true'
        uses: ./.forgejo/actions/timelord
        with:
          key: sccache-v0
          path: .

      - name: Run Cargo tests
        run: |
          cargo test \
            --workspace \
            --features full \
            --locked \
            --profile test \
            --all-targets \
            --no-fail-fast

      - name: Display sccache statistics
        if: always() && env.SCCACHE_ENABLED == 'true'
        run: sccache --show-stats