name: Build

# Build on every branch push, tag push, and pull request change:
on:
  push:
  pull_request:

jobs:
  build_repo:
    # This is a *private* build container.
    container: ghcr.io/zeldaret/mm-build:main
    # Prevent running outside zeldaret/mm as fetching the container would fail anyway.
    if: ${{ github.repository == 'zeldaret/mm' }}

    name: Build repo (${{ matrix.version }})
    runs-on: ubuntu-latest

    defaults:
      run:
        shell: bash

    strategy:
      fail-fast: false
      matrix:
        version:
          - n64-jp-1.1     # N64 Japan 1.1
          - n64-us         # N64 USA
        include:
          - version: n64-jp-1.1
            non_matching: 1

    # By default no version in the matrix contains a non_matching value,
    # meaning ${{ matrix.non_matching }} expand to an empty string, unless it
    # is explicitly listed on the `include` block.
    # Use the value from the matrix if it exists, or fallback to 0 if it doesn't.
    env:
      NON_MATCHING: ${{ matrix.non_matching || 0 }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: git config safe.directory
        run: git config --global --add safe.directory "$GITHUB_WORKSPACE"

      - name: Install system dependencies
        run: |
          apt-get install -y git build-essential binutils-mips-linux-gnu curl python3 python3-pip python3-venv libxml2-dev

      - name: Get the dependency
        run: ln -s /orig/${{ matrix.version }}/baserom.z64 baseroms/${{ matrix.version }}/baserom.z64

      # The compiler archives are embedded in the runner image, to avoid downloading them from GitHub (during make setup), which occasionally fails.
      - name: Provide compiler archives
        run: |
          mkdir -p tools/compiler_archives/
          ln -s /compiler_archives tools/compiler_archives/archives

      - name: venv
        run: make -j $(nproc) VERSION=${{ matrix.version }} venv

      - name: Setup
        run: make -j $(nproc) VERSION=${{ matrix.version }} setup 2> >(tee tools/warnings_count/warnings_setup_new.txt)

      - name: Check setup warnings
        run: ./tools/warnings_count/compare_warnings.sh setup

      - name: Assets
        if: matrix.non_matching != 1
        run: make -j $(nproc) VERSION=${{ matrix.version }} assets 2> >(tee tools/warnings_count/warnings_assets_new.txt)

      # WIP versions do not have asset extraction properly set up yet.
      # Instead we rely on the assets from the US version for now.
      - name: Assets US for WIP versions
        if: matrix.non_matching == 1
        run: |
          ln -s /orig/n64-us/baserom.z64 baseroms/n64-us/baserom.z64
          make -j $(nproc) VERSION=n64-us setup
          make -j $(nproc) VERSION=${{ matrix.version }} assets 2> >(tee tools/warnings_count/warnings_assets_new.txt)

      - name: Check assets warnings
        run: ./tools/warnings_count/compare_warnings.sh assets

      - name: Disasm
        run: make -j $(nproc) VERSION=${{ matrix.version }} disasm 2> >(tee tools/warnings_count/warnings_disasm_new.txt)

      - name: Check disasm warnings
        run: ./tools/warnings_count/compare_warnings.sh disasm

      - name: Build ${{ matrix.version }}
        id: build
        run: make -j $(nproc) VERSION=${{ matrix.version }} rom 2> >(tee tools/warnings_count/warnings_build_new.txt)

      - name: Check build warnings
        run: ./tools/warnings_count/compare_warnings.sh build

      - name: Compress ${{ matrix.version }}
        run: make -j $(nproc) VERSION=${{ matrix.version }} compress 2> >(tee tools/warnings_count/warnings_compress_new.txt)

      - name: Check compress warnings
        run: ./tools/warnings_count/compare_warnings.sh compress

      - name: Fix BSS and generate patch
        if: failure() && steps.build.outcome == 'failure'
        uses: ./.github/actions/fix-bss-and-generate-patch
        with:
          version: ${{ matrix.version }}

      - name: Show warnings
        if: failure() && steps.build.outcome == 'failure'
        run: cat tools/warnings_count/warnings_setup_new.txt tools/warnings_count/warnings_assets_new.txt tools/warnings_count/warnings_disasm_new.txt tools/warnings_count/warnings_build_new.txt tools/warnings_count/warnings_compress_new.txt

      - name: Upload map
        uses: actions/upload-artifact@v6
        with:
          name: mm-${{ matrix.version }}.map
          path: build/${{ matrix.version }}/mm-${{ matrix.version }}.map

  # This job does not do anything, its purpose is to be used as a status check in GitHub rules.
  all_versions_built:
    name: All versions built
    needs: [build_repo]
    runs-on: ubuntu-latest
    # Solution 1 from https://github.com/actions/runner/issues/2566#issuecomment-3053484216
    if: 'always() && ${{ github.repository == ''zeldaret/mm'' }}'
    steps:
      - run: |
         if [ "${{ needs.build_repo.result }}" != "success" ]; then
           exit 1
         fi

  merge_bss_fixes:
    name: Merge BSS fixes
    runs-on: ubuntu-latest
    needs: [build_repo]
    if: '!cancelled() && ${{ github.repository == ''zeldaret/mm'' }}'  # Run even if build_repo fails
    steps:
      - name: Checkout repository
        uses: actions/checkout@v6

      - name: Download patches
        uses: actions/download-artifact@v8
        with:
          pattern: fix_bss_*.patch
          merge-multiple: true

      - name: Apply patches
        run: python3 .github/scripts/apply_fix_bss_patches.py

      - name: Generate patch
        run: .github/scripts/generate_patch.sh