name: Semantic Version Bump (Conventional Commits)

on:
  push:
    branches:
      - main

jobs:
  semver-bump:
    runs-on: ubuntu-latest
    if: github.event.head_commit.author.name != 'github-actions[bot]'

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      - name: Determine bump type from commit message
        id: bump
        run: |
          COMMIT_MSG="${{ github.event.head_commit.message }}"
          echo "🔍 Commit message: $COMMIT_MSG"

          if echo "$COMMIT_MSG" | grep -qE 'BREAKING CHANGE|!:'; then
            echo "bump=major" >> $GITHUB_OUTPUT
          elif echo "$COMMIT_MSG" | grep -qE '^feat(\(.+\))?:'; then
            echo "bump=minor" >> $GITHUB_OUTPUT
          elif echo "$COMMIT_MSG" | grep -qE '^fix(\(.+\))?:'; then
            echo "bump=patch" >> $GITHUB_OUTPUT
          else
            echo "bump=none" >> $GITHUB_OUTPUT
          fi

      - name: Bump version in fxmanifest.lua
        if: steps.bump.outputs.bump != 'none'
        run: |
          FILE="fxmanifest.lua"
          VERSION_LINE=$(grep -E "version ['\"]?[0-9]+\.[0-9]+\.[0-9]+['\"]?" "$FILE")
          VERSION=$(echo "$VERSION_LINE" | grep -oE "[0-9]+\.[0-9]+\.[0-9]+")

          IFS='.' read -r MAJOR MINOR PATCH <<< "$VERSION"

          case "${{ steps.bump.outputs.bump }}" in
            major)
              MAJOR=$((MAJOR + 1))
              MINOR=0
              PATCH=0
              ;;
            minor)
              MINOR=$((MINOR + 1))
              PATCH=0
              ;;
            patch)
              PATCH=$((PATCH + 1))
              ;;
          esac

          NEW_VERSION="$MAJOR.$MINOR.$PATCH"
          sed -i "s/version ['\"]$VERSION['\"]/version '$NEW_VERSION'/" "$FILE"
          echo "new_version=$NEW_VERSION" >> $GITHUB_ENV

      - name: Commit and push version bump
        if: steps.bump.outputs.bump != 'none'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git add fxmanifest.lua

          if git diff --cached --quiet; then
            echo "⚠️ No version changes to commit."
            exit 0
          fi

          COMMIT_MSG="${{ github.event.head_commit.message }}"
          git commit -m "ci: bump fxmanifest version to ${{ env.new_version }} – $COMMIT_MSG"
          git push