name: CI

on:
  push:
  pull_request:
  workflow_dispatch:

jobs:
  build-en:
    name: Build (English mdBook)
    runs-on: ubuntu-22.04

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python 3.10
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'

      - name: Install Rust toolchain
        run: |
          curl -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal
          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"

      - name: Install mdBook
        run: cargo install mdbook --locked

      - name: Run mdBook regression tests
        run: |
          python3 -m unittest discover -s tests -p 'test_prepare_mdbook.py'
          python3 -m unittest discover -s tests -p 'test_prepare_mdbook_zh.py'
          python3 -m unittest discover -s tests -p 'test_assemble_docs_publish_tree.py'
          python3 -m unittest discover -s tests -p 'test_ensure_book_resources.py'
          python3 -m unittest discover -s tests -p 'test_mdbook_mathjax.py'

      - name: Build English HTML with mdBook
        run: bash build_mdbook.sh

  build-zh:
    name: Build (Chinese mdBook)
    runs-on: ubuntu-22.04

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python 3.10
        uses: actions/setup-python@v5
        with:
          python-version: '3.10'
      
      - name: Install Rust toolchain
        run: |
          curl -sSf https://sh.rustup.rs | sh -s -- -y --profile minimal
          echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"

      - name: Install mdBook
        run: cargo install mdbook --locked

      - name: Build Chinese HTML with mdBook
        run: bash build_mdbook_zh.sh

  build:
    name: build
    needs: [build-en, build-zh]
    runs-on: ubuntu-22.04
    steps:
      - run: echo "All builds passed"