name: spine-c bindings check

on:
  push:
    branches:
      - '*'

jobs:
  check-bindings:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        submodules: 'recursive'

    - name: Check if branch qualifies for bindings check
      run: |
        BRANCH_NAME=${GITHUB_REF#refs/heads/}
        echo "Branch: $BRANCH_NAME"

        # Strip -beta suffix and extract version
        VERSION=$(echo "$BRANCH_NAME" | sed 's/-beta$//')

        # Check if it's a version branch (starts with number)
        if ! echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+'; then
          echo "Not a version branch, skipping bindings check"
          exit 0
        fi

        # Extract major.minor version
        MAJOR=$(echo "$VERSION" | cut -d. -f1)
        MINOR=$(echo "$VERSION" | cut -d. -f2)

        # Check if version >= 4.3
        if [ "$MAJOR" -gt 4 ] || ([ "$MAJOR" -eq 4 ] && [ "$MINOR" -ge 3 ]); then
          echo "Branch qualifies for bindings check (version $MAJOR.$MINOR >= 4.3)"
          echo "SHOULD_CHECK=true" >> $GITHUB_ENV
        else
          echo "Branch version $MAJOR.$MINOR < 4.3, skipping bindings check"
          echo "SHOULD_CHECK=false" >> $GITHUB_ENV
        fi

    - name: Setup Node.js
      if: env.SHOULD_CHECK == 'true'
      uses: actions/setup-node@v4
      with:
        node-version: '18'

    - name: Install build dependencies
      if: env.SHOULD_CHECK == 'true'
      run: |
        sudo apt-get update
        sudo apt-get install -y build-essential cmake ninja-build

    - name: Setup clang-format
      run: ./formatters/setup-clang-format-docker.sh

    - name: Generate and compile spine-c bindings
      if: env.SHOULD_CHECK == 'true'
      run: |
        cd spine-c
        ./build.sh codegen
        ./build.sh clean

    - name: Check for changes in generated bindings
      if: env.SHOULD_CHECK == 'true'
      run: |
        if ! git diff --quiet; then
          echo "❌ Generated bindings have changed!"
          echo "This indicates that spine-cpp has been modified but spine-c bindings haven't been regenerated."
          echo ""
          echo "Changed files:"
          git diff --name-only
          echo ""
          echo "Please run './generate-all-bindings.sh' locally and commit the changes."
          exit 1
        else
          echo "✅ Generated bindings are up to date"
        fi