name: Build Windows EXE

on:
  push:
    branches:
      - "**"

jobs:
  build-windows:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          submodules: recursive

      - name: Install dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y mingw-w64 cmake ninja-build curl jq

      - name: Create MinGW toolchain
        run: |
          cat > mingw-toolchain.cmake <<'EOF'
          set(CMAKE_SYSTEM_NAME Windows)
          set(CMAKE_SYSTEM_PROCESSOR x86_64)
          set(CMAKE_C_COMPILER x86_64-w64-mingw32-gcc)
          set(CMAKE_CXX_COMPILER x86_64-w64-mingw32-g++)
          set(CMAKE_RC_COMPILER x86_64-w64-mingw32-windres)
          set(CMAKE_FIND_ROOT_PATH /usr/x86_64-w64-mingw32)
          set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
          set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
          set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
          EOF

      - name: Configure Windows release build
        run: |
          cmake -S . -B build-win -G Ninja \
            -DCMAKE_TOOLCHAIN_FILE=mingw-toolchain.cmake \
            -DCMAKE_BUILD_TYPE=Release

      - name: Build Windows executable
        run: cmake --build build-win --parallel

      - name: Prepare artifact
        run: |
          mkdir -p dist
          cp build-win/bin/gitree.exe dist/Gitree-windows-x64.exe

      - name: Upload Windows build
        uses: actions/upload-artifact@v3
        with:
          name: Gitree-windows-x64
          path: dist/Gitree-windows-x64.exe
          if-no-files-found: error

      - name: Create prod release
        if: ${{ gitea.ref_name == 'prod' }}
        env:
          GITEA_TOKEN: ${{ secrets.GITEA_TOKEN }}
          GITEA_SERVER_URL: ${{ gitea.server_url }}
          GITEA_REPOSITORY: ${{ gitea.repository }}
          GITEA_SHA: ${{ gitea.sha }}
          GITEA_RUN_NUMBER: ${{ gitea.run_number }}
        run: |
          if [ -z "$GITEA_TOKEN" ]; then
            echo "The repository secret GITEA_TOKEN is required to publish prod releases."
            exit 1
          fi

          short_sha="$(printf '%s' "$GITEA_SHA" | cut -c1-7)"
          tag="prod-${GITEA_RUN_NUMBER}-${short_sha}"
          api="${GITEA_SERVER_URL%/}/api/v1/repos/${GITEA_REPOSITORY}"

          payload="$(jq -n \
            --arg tag "$tag" \
            --arg sha "$GITEA_SHA" \
            --arg name "Gitree ${tag}" \
            '{tag_name: $tag, target_commitish: $sha, name: $name, body: "Automated Windows release from the prod branch.", draft: false, prerelease: false}')"

          release="$(curl --fail-with-body --silent --show-error \
            -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -H "Content-Type: application/json" \
            --data "$payload" \
            "${api}/releases")"
          release_id="$(printf '%s' "$release" | jq -er '.id')"

          curl --fail-with-body --silent --show-error \
            -X POST \
            -H "Authorization: token ${GITEA_TOKEN}" \
            -F "attachment=@dist/Gitree-windows-x64.exe" \
            "${api}/releases/${release_id}/assets?name=Gitree-windows-x64.exe"