atento-core 0.1.0

name: Version Check

on:
  pull_request:
    branches: [ main ]

jobs:
  version-validation:
    name: Validate Version Bump
    runs-on: ubuntu-latest
    steps:
      - name: Checkout PR branch
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      
      - name: Get PR title type
        id: pr-type
        env:
          PR_TITLE: ${{ github.event.pull_request.title }}
        run: |
          echo "PR title: '$PR_TITLE'"
          
          if [[ "$PR_TITLE" =~ ^PATCH ]]; then
            echo "type=patch" >> $GITHUB_OUTPUT
            echo "Expected version bump: PATCH"
          elif [[ "$PR_TITLE" =~ ^MINOR ]]; then
            echo "type=minor" >> $GITHUB_OUTPUT
            echo "Expected version bump: MINOR"
          elif [[ "$PR_TITLE" =~ ^MAJOR ]]; then
            echo "type=major" >> $GITHUB_OUTPUT
            echo "Expected version bump: MAJOR"
          else
            echo "❌ PR title must start with PATCH, MINOR, or MAJOR"
            exit 1
          fi
      
      - name: Get current version from main
        id: main-version
        run: |
          git fetch origin main
          git checkout origin/main
          VERSION=$(grep '^version = ' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
          echo "main_version=$VERSION" >> $GITHUB_OUTPUT
          echo "Main branch version: $VERSION"
      
      - name: Get PR version
        id: pr-version
        run: |
          git checkout ${{ github.event.pull_request.head.sha }}
          VERSION=$(grep '^version = ' Cargo.toml | head -1 | sed 's/version = "\(.*\)"/\1/')
          echo "pr_version=$VERSION" >> $GITHUB_OUTPUT
          echo "PR branch version: $VERSION"
      
      - name: Validate version bump
        env:
          MAIN_VERSION: ${{ steps.main-version.outputs.main_version }}
          PR_VERSION: ${{ steps.pr-version.outputs.pr_version }}
          EXPECTED_TYPE: ${{ steps.pr-type.outputs.type }}
        run: |
          echo "Main version: $MAIN_VERSION"
          echo "PR version: $PR_VERSION"
          echo "Expected bump type: $EXPECTED_TYPE"
          
          # Split versions into components
          IFS='.' read -r main_major main_minor main_patch <<< "$MAIN_VERSION"
          IFS='.' read -r pr_major pr_minor pr_patch <<< "$PR_VERSION"
          
          # Remove any pre-release suffixes (e.g., -alpha, -beta)
          main_patch=${main_patch%%-*}
          pr_patch=${pr_patch%%-*}
          
          echo "Main: $main_major.$main_minor.$main_patch"
          echo "PR: $pr_major.$pr_minor.$pr_patch"
          
          # Check if version was bumped correctly
          valid=false
          
          if [ "$EXPECTED_TYPE" = "major" ]; then
            if [ "$pr_major" -eq $((main_major + 1)) ] && [ "$pr_minor" -eq 0 ] && [ "$pr_patch" -eq 0 ]; then
              valid=true
              echo "✅ Valid MAJOR version bump: $MAIN_VERSION -> $PR_VERSION"
            fi
          elif [ "$EXPECTED_TYPE" = "minor" ]; then
            if [ "$pr_major" -eq "$main_major" ] && [ "$pr_minor" -eq $((main_minor + 1)) ] && [ "$pr_patch" -eq 0 ]; then
              valid=true
              echo "✅ Valid MINOR version bump: $MAIN_VERSION -> $PR_VERSION"
            fi
          elif [ "$EXPECTED_TYPE" = "patch" ]; then
            if [ "$pr_major" -eq "$main_major" ] && [ "$pr_minor" -eq "$main_minor" ] && [ "$pr_patch" -eq $((main_patch + 1)) ]; then
              valid=true
              echo "✅ Valid PATCH version bump: $MAIN_VERSION -> $PR_VERSION"
            fi
          fi
          
          if [ "$valid" = false ]; then
            echo "❌ Version bump does not match PR title type!"
            echo ""
            echo "Current version on main: $MAIN_VERSION"
            echo "PR version: $PR_VERSION"
            echo "Expected type: $EXPECTED_TYPE"
            echo ""
            case "$EXPECTED_TYPE" in
              major)
                expected_version="$((main_major + 1)).0.0"
                ;;
              minor)
                expected_version="$main_major.$((main_minor + 1)).0"
                ;;
              patch)
                expected_version="$main_major.$main_minor.$((main_patch + 1))"
                ;;
            esac
            echo "Expected version: $expected_version"
            echo ""
            echo "Please update the version in Cargo.toml to match the PR title type."
            exit 1
          fi