name: Test

on:
  pull_request:
  push:
    branches:
      - main

env:
  CARGO_TERM_COLOR: always

jobs:
  mdbook:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Rust cache
        uses: ./.github/workflows/setup-rust-cache

      - name: Install mdbook
        uses: ./.github/workflows/install-mdbook

      - name: Test code snippets
        run: mdbook test

  format:
    name: Format
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Format Rust code
        run: cargo fmt --all -- --check

  cargo:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Rust cache
        uses: ./.github/workflows/setup-rust-cache

      - name: Build Rust code
        run: cargo build

      - name: Test Rust code
        run: cargo test

  bare-metal:
    name: Build bare-metal Rust examples
    runs-on: ubuntu-latest
    strategy:
      matrix:
        include:
          - directory: src/bare-metal/alloc-example
            target: aarch64-unknown-none
          - directory: src/bare-metal/aps/examples
            target: aarch64-unknown-none
          - directory: src/bare-metal/microcontrollers/examples
            target: thumbv7em-none-eabihf
          - directory: src/exercises/bare-metal/compass
            target: thumbv7em-none-eabihf
          - directory: src/exercises/bare-metal/rtc
            target: aarch64-unknown-none
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Rust cache
        uses: ./.github/workflows/setup-rust-cache

      - name: Install dependencies
        run: sudo apt update && sudo apt install gcc-aarch64-linux-gnu

      - name: Install toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          target: ${{ matrix.target }}

      - name: Build Rust code
        working-directory: ${{ matrix.directory }}
        run: cargo build

  find-translations:
    runs-on: ubuntu-latest
    outputs:
      languages: ${{ steps.find-translations.outputs.languages }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Find translations
        id: find-translations
        shell: python
        run: |
          import os, json, pathlib
          languages = [p.stem for p in pathlib.Path("po").iterdir() if p.suffix == ".po"]
          github_output = open(os.environ["GITHUB_OUTPUT"], "a")
          github_output.write("languages=")
          json.dump(sorted(languages), github_output)

  translations:
    runs-on: ubuntu-latest
    needs:
      - find-translations
    strategy:
      matrix:
        language: ${{ fromJSON(needs.find-translations.outputs.languages) }}
    env:
      MDBOOK_BOOK__LANGUAGE: ${{ matrix.language }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Setup Rust cache
        uses: ./.github/workflows/setup-rust-cache

      - name: Install Gettext
        run: sudo apt install gettext

      - name: Install mdbook
        uses: ./.github/workflows/install-mdbook

      - name: Test ${{ matrix.language }} translation
        run: msgfmt --statistics -o /dev/null po/${{ matrix.language }}.po

      - name: Build course with ${{ matrix.language }} translation
        run: mdbook build

      - name: Zip exercise templates for ${{ matrix.language }} translation
        run: cd book/exerciser && zip --recurse-paths ../html/comprehensive-rust-exercises.zip comprehensive-rust-exercises/

      - name: Upload ${{ matrix.language }} translation
        uses: actions/upload-artifact@v3
        with:
          name: comprehensive-rust-${{ matrix.language }}
          path: book/

      - name: Test code snippets with ${{ matrix.language }} translation
        run: mdbook test