# .github/workflows/ci.yml

name: Rust CI

on:
  push:
    branches: [main, master]
  pull_request:
    branches: [main, master]
  schedule:
    - cron: '0 0 * * 1'  # Weekly Sunday midnight UTC

env:
  CARGO_INCREMENTAL: 0
  RUSTFLAGS: "-Dwarnings"
  CARGO_TERM_COLOR: always

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

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1.17.0
        with:
          target: thumbv6m-none-eabi

      - name: Cache dependencies
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: "."

      - name: Run cargo check
        run: cargo check

  clippy:
    name: Clippy
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1.17.0
        with:
          components: clippy
          target: thumbv6m-none-eabi

      - name: Cache dependencies
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: "."

      - name: Run clippy
        run: cargo clippy -- -D warnings

  fmt:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1.17.0
        with:
          components: rustfmt
          target: thumbv6m-none-eabi

      - name: Check formatting
        run: cargo fmt --all -- --check

  build:
    name: Build
    runs-on: ubuntu-latest
    needs: [check, clippy, fmt]
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1.17.0
        with:
          target: thumbv6m-none-eabi

      - name: Cache dependencies
        uses: Swatinem/rust-cache@v2
        with:
          workspaces: "."

      - name: Build debug
        run: cargo build --verbose

      - name: Build release
        run: cargo build --release --verbose

      - name: Upload artifacts
        uses: actions/upload-artifact@v4
        with:
          name: build-artifacts
          path: target/
          retention-days: 7

  docs:
    name: Documentation
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Install Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1.17.0
        with:
          components: rust-docs
          target: thumbv6m-none-eabi

      - name: Build documentation
        run: cargo doc --no-deps --document-private-items

      - name: Upload documentation
        uses: actions/upload-artifact@v4
        with:
          name: documentation
          path: target/thumbv6m-none-eabi/doc/
          retention-days: 7

  pages:
    name: Deploy Docs
    runs-on: ubuntu-latest
    needs: [docs]
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    permissions:
      pages: write
      id-token: write
    environment:
      name: github-pages
      url: ${{ steps.deployment.outputs.page_url }}
    steps:
      - uses: actions/checkout@v4

      - name: Setup Pages
        uses: actions/configure-pages@v3

      - name: Build documentation
        run: cargo doc --no-deps

      - name: Upload artifact
        uses: actions/upload-pages-artifact@v2
        with:
          path: target/doc/

      - name: Deploy to GitHub Pages
        id: deployment
        uses: actions/deploy-pages@v2