ci.yml

name: Test and build
on:
  push:
    branches: [main]
  pull_request:
  workflow_dispatch:
  workflow_call:

jobs:
  test:
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        include:
          - os: ubuntu-latest
            python-version: '3.14'
            muse2_asset: muse2_linux.tar.gz
            muse2_exe: muse2
          - os: windows-latest
            python-version: '3.14'
            muse2_asset: muse2_windows.zip
            muse2_exe: muse2.exe
          - os: macos-latest
            python-version: '3.14'
            muse2_asset: muse2_macos_arm.tar.gz
            muse2_exe: muse2

    steps:
      - uses: actions/checkout@v6

      - uses: astral-sh/setup-uv@v7
        with:
          enable-cache: true
          prune-cache: false
          activate-environment: true
          python-version: ${{ matrix.python-version }}

      - name: Install dependencies
        run: uv sync

      # Query the GitHub API for the latest MUSE2 release tag (e.g. "v2.0.0").
      # The tag is written to GITHUB_OUTPUT so subsequent steps can reference it.
      - name: Get latest MUSE2 release tag
        id: muse2_release
        shell: bash
        run: |
          TAG=$(curl -sSf \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            https://api.github.com/repos/EnergySystemsModellingLab/MUSE2/releases/latest \
            | jq -r '.tag_name')

          if [[ -z "$TAG" || "$TAG" == "null" ]]; then
            echo "::error::Failed to retrieve latest MUSE2 release tag."
            exit 1
          fi

          echo "Resolved latest MUSE2 release: $TAG"
          echo "tag=$TAG" >> "$GITHUB_OUTPUT"

      # Download the platform-appropriate MUSE2 release asset.
      # 'shell: bash' is used on all platforms
      - name: Download MUSE2 release asset
        shell: bash
        run: |
          curl -sSfL \
            "https://github.com/EnergySystemsModellingLab/MUSE2/releases/download/${{ steps.muse2_release.outputs.tag }}/${{ matrix.muse2_asset }}" \
            --output "muse2_asset_download"

      - name: Extract MUSE2 and set environment variable (Linux / macOS)
        if: runner.os == 'Linux' || runner.os == 'macOS'
        shell: bash
        run: |
          mkdir -p muse2_bin
          tar -xf muse2_asset_download -C muse2_bin
          chmod +x "muse2_bin/${{ matrix.muse2_exe }}"
          echo "MUSE2_PATH=${{ github.workspace }}/muse2_bin/${{ matrix.muse2_exe }}" >> "$GITHUB_ENV"

      - name: Extract MUSE2 and set environment variable (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          New-Item -ItemType Directory -Force -Path muse2_bin | Out-Null
          Rename-Item -Path "muse2_asset_download" -NewName "muse2_asset_download.zip"
          Expand-Archive -Path "muse2_asset_download.zip" -DestinationPath muse2_bin -Force
          $exePath = "${{ github.workspace }}\muse2_bin\${{ matrix.muse2_exe }}"
          echo "MUSE2_PATH=$exePath" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append

      # Confirm the muse2 executable is present and the environment variable is set correctly.
      - name: Verify MUSE2 installation (Linux / macOS)
        if: runner.os == 'Linux' || runner.os == 'macOS'
        shell: bash
        run: |
          if [[ ! -f "$MUSE2_PATH" ]]; then
            echo "::error::MUSE2 executable not found at: $MUSE2_PATH"
            exit 1
          fi
          echo "MUSE2_PATH is set to: $MUSE2_PATH"

      - name: Verify MUSE2 installation (Windows)
        if: runner.os == 'Windows'
        shell: pwsh
        run: |
          if (-not (Test-Path -Path $env:MUSE2_PATH -PathType Leaf)) {
            Write-Error "MUSE2 executable not found at: $env:MUSE2_PATH"
            exit 1
          }
          Write-Host "MUSE2_PATH is set to: $env:MUSE2_PATH"

      - name: Run mypy
        run: mypy .

      - name: Run tests
        run: pytest