# This GitHub Actions workflow handles version bumping and tag updates.
# It can be triggered either by:
# 1. Pushing to main branch - automatically bumps version and updates tags
# 2. Manual dispatch - allows independent control over stable and latest tags

---
name: Version and Tags

on:  # yamllint disable-line rule:truthy
  push:
    branches:
      - main
    paths-ignore:
      - '**/VERSION'
      - '**/VERSION_YAML'

  workflow_dispatch:
    inputs:
      update_stable:
        description: "Update stable tag?"
        required: true
        default: false
        type: boolean
      update_latest:
        description: "Update latest tag?"
        required: true
        default: false
        type: boolean

jobs:
  version-and-tag:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Set up Git
        run: |
          git config user.name "GitHub Actions"
          git config user.email "actions@github.com"

      - name: Get PR information
        id: pr_info
        if: github.event_name == 'push'
        uses: actions/github-script@v7
        with:
          script: |
            try {
              // Get the commit that triggered this workflow
              const commit = await github.rest.repos.getCommit({
                owner: context.repo.owner,
                repo: context.repo.repo,
                ref: context.sha
              });
              
              // Look for PR number in commit message (GitHub merge commits include this)
              const commitMessage = commit.data.commit.message;
              const prMatch = commitMessage.match(/Merge pull request #(\d+)/);
              
              if (prMatch) {
                const prNumber = parseInt(prMatch[1]);
                const pr = await github.rest.pulls.get({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  pull_number: prNumber
                });
                
                return {
                  title: pr.data.title,
                  body: pr.data.body || 'No description provided',
                  number: prNumber
                };
              } else {
                // Fallback for direct pushes
                return {
                  title: 'Direct push to main',
                  body: commitMessage,
                  number: null
                };
              }
            } catch (error) {
              console.log('Could not get PR info:', error.message);
              return {
                title: 'Version update',
                body: 'Automated version bump',
                number: null
              };
            }

      - name: Bump version
        run: |
          chmod +x ./versioning/bump_version.sh
          ./versioning/bump_version.sh

      - name: Create tag message
        id: tag_message
        run: |
          NEW_VERSION=$(cat ./versioning/VERSION)
          
          if [ "${{ github.event_name }}" == "push" ]; then
            # Use PR information from previous step
            PR_TITLE='${{ fromJson(steps.pr_info.outputs.result).title }}'
            PR_BODY='${{ fromJson(steps.pr_info.outputs.result).body }}'
            
            # Create formatted tag message
            cat > tag_message.txt << EOF
          # v${NEW_VERSION} - ${PR_TITLE}
          
          ${PR_BODY}
          EOF
          else
            # Manual dispatch - simpler message
            cat > tag_message.txt << EOF
          # v${NEW_VERSION} - Manual tag update
          
          Tag updated via manual workflow dispatch.
          EOF
          fi
          
          # Store the message for use in subsequent steps
          echo "TAG_MESSAGE_FILE=tag_message.txt" >> $GITHUB_ENV

      - name: Push Changes and Tags
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git push origin main
          git push origin --tags --force

      - name: Update stable tag
        if: |
          success() && (
            github.event_name == 'workflow_dispatch' && inputs.update_stable ||
            github.event_name == 'push'
          )
        run: |
          # Verify version bump was successful
          if [ ! -f "./versioning/VERSION" ]; then
            echo "Error: VERSION file not found. Version bump may have failed."
            exit 1
          fi

          # Backup existing tag
          if git rev-parse --verify stable >/dev/null 2>&1; then
            OLD_STABLE=$(git rev-parse stable)
            echo "Backing up current stable tag ($OLD_STABLE)"
          fi

          # Update tag with detailed message
          NEW_VERSION=$(cat ./versioning/VERSION)
          echo "Updating stable tag to $NEW_VERSION"
          git tag -fa stable -F "$TAG_MESSAGE_FILE"
          git push origin stable --force

      - name: Update latest tag
        if: |
          success() && (
            github.event_name == 'workflow_dispatch' && inputs.update_latest ||
            github.event_name == 'push'
          )
        run: |
          # Verify version bump was successful
          if [ ! -f "./versioning/VERSION" ]; then
            echo "Error: VERSION file not found. Version bump may have failed."
            exit 1
          fi

          # Backup existing tag
          if git rev-parse --verify latest >/dev/null 2>&1; then
            OLD_LATEST=$(git rev-parse latest)
            echo "Backing up current latest tag ($OLD_LATEST)"
          fi

          # Update tag with detailed message
          NEW_VERSION=$(cat ./versioning/VERSION)
          echo "Updating latest tag to $NEW_VERSION"
          git tag -fa latest -F "$TAG_MESSAGE_FILE"
          git push origin latest --force

      - name: Cleanup
        if: always()
        run: |
          # Clean up temporary files
          [ -f tag_message.txt ] && rm tag_message.txt || true
...