name: ci / build-windows

on:
  workflow_call:
    inputs:
      branch:
        required: true
        type: string

env:
  NPROC: 4
  NIM_VERSION: '2.2.4'
  NIMBLE_VERSION: '0.22.3'

jobs:
  build:
    runs-on: windows-latest

    defaults:
      run:
        shell: msys2 {0}

    env:
      MSYSTEM: MINGW64

    steps:
    - name: Configure Git to keep LF line endings
      # Windows Git defaults to core.autocrlf=true, which converts LF→CRLF when
      # nimble clones dependency packages into nimbledeps/. The CRLF conversion
      # changes the SHA1 of the package source tree relative to the
      # Linux-computed checksums stored in nimble.lock, so nimble decides the
      # local copy is invalid and re-downloads on every subsequent invocation
      # — and these retries can hang indefinitely on Windows runners.
      # Disabling autocrlf globally makes nimble's child git clones produce
      # the same tree (and SHA1) as on Linux.
      shell: pwsh
      run: |
        git config --global core.autocrlf false
        git config --global core.eol lf

    - name: Checkout code
      uses: actions/checkout@v4

    - name: Setup MSYS2
      uses: msys2/setup-msys2@v2
      with:
        update: true
        install: >-
          git
          base-devel
          mingw-w64-x86_64-toolchain
          make
          cmake
          upx
          unzip
          mingw-w64-x86_64-rust
          mingw-w64-x86_64-postgresql
          mingw-w64-x86_64-gcc
          mingw-w64-x86_64-gcc-libs
          mingw-w64-x86_64-libwinpthread-git
          mingw-w64-x86_64-zlib
          mingw-w64-x86_64-openssl
          mingw-w64-x86_64-python
          mingw-w64-x86_64-cmake
          mingw-w64-x86_64-llvm
          mingw-w64-x86_64-clang
          mingw-w64-x86_64-nasm

    - name: Configure Git in MSYS2 to keep LF line endings
      # The autocrlf=false above only configures Git for Windows. nimble clones
      # its dependency packages from within the MSYS2 shell, whose git reads a
      # separate global config ($HOME/.gitconfig under the MSYS2 root). Without
      # repeating the setting here, CRLF conversion still alters dependency
      # source trees, so their SHA1 no longer matches nimble.lock and nimble
      # re-downloads (and hangs) on every invocation.
      run: |
        git config --global core.autocrlf false
        git config --global core.eol lf

    - name: Manually install nasm
      run: |
        bash scripts/install_nasm_in_windows.sh
        source $HOME/.bashrc

    - name: Add UPX to PATH
      run: |
        echo "/usr/bin:$PATH" >> $GITHUB_PATH
        echo "/mingw64/bin:$PATH" >> $GITHUB_PATH
        echo "/usr/lib:$PATH" >> $GITHUB_PATH
        echo "/mingw64/lib:$PATH" >> $GITHUB_PATH

    - name: Verify dependencies
      run: |
        which upx gcc g++ make cmake cargo rustc python nasm

    - name: Install Nim ${{ env.NIM_VERSION }}
      uses: jiro4989/setup-nim-action@v2
      with:
        nim-version: ${{ env.NIM_VERSION }}
        repo-token: ${{ secrets.GITHUB_TOKEN }}

    - name: Install Nimble ${{ env.NIMBLE_VERSION }}
      run: |
        export PATH="$GITHUB_WORKSPACE/.nim_runtime/bin:$PATH"
        cd /tmp && nimble install "nimble@${{ env.NIMBLE_VERSION }}" -y
        echo "$HOME/.nimble/bin" >> $GITHUB_PATH

    - name: Install nimble deps
      if: steps.cache-nimbledeps.outputs.cache-hit != 'true'
      run: |
        export PATH="$GITHUB_WORKSPACE/.nim_runtime/bin:$HOME/.nimble/bin:$PATH"
        # Use the CI-installed system nim instead of the nim pinned in
        # nimble.lock. nim's source tree checks out differently on Windows
        # (its .gitattributes forces line endings on some files), so its
        # checksum never matches the Linux-computed value in the lock — not
        # even with autocrlf disabled. --useSystemNim makes nimble ignore the
        # locked nim (no download, no checksum) while still verifying every
        # other locked dependency.
        nimble setup --localdeps -y --useSystemNim
        make rebuild-nat-libs-nimbledeps CC=gcc
        make rebuild-bearssl-nimbledeps CC=gcc
        touch nimbledeps/.nimble-setup

    - name: Creating tmp directory
      run: mkdir -p tmp

    - name: Building wakunode2.exe
      run: |
        export PATH="$GITHUB_WORKSPACE/.nim_runtime/bin:$HOME/.nimble/bin:$PATH"
        make wakunode2 V=3 -j${{ env.NPROC }}

    - name: Building libwaku.dll
      run: |
        export PATH="$GITHUB_WORKSPACE/.nim_runtime/bin:$HOME/.nimble/bin:$PATH"
        make libwaku STATIC=0 V=1 -j

    - name: Check Executable
      run: |
        if [ -f "./build/wakunode2.exe" ]; then
          echo "wakunode2.exe build successful"
        else
          echo "Build failed: wakunode2.exe not found"
          exit 1
        fi
        if [ -f "./build/libwaku.dll" ]; then
          echo "libwaku.dll build successful"
        else
          echo "Build failed: libwaku.dll not found"
          exit 1
        fi