release.yml

name: Release

on:
  pull_request:
    types: [closed]
    branches:
      - main

permissions:
  contents: write
  pull-requests: write
  issues: write

jobs:
  create-release:
    name: Create Release
    if: github.event.pull_request.merged == true && contains(github.event.pull_request.labels.*.name, 'release')
    runs-on: ubuntu-latest
    permissions:
      contents: write
      pull-requests: write
      issues: write
    
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Determine Version
        id: version
        env:
          GITHUB_TOKEN: ${{ secrets.TOKEN }}
        run: |
          # Get latest release tag (if any)
          latest_tag=$(gh release view --json tagName --jq .tagName || echo "v0.0.0")
          
          # Extract major, minor, patch numbers
          if [[ $latest_tag =~ v([0-9]+)\.([0-9]+)\.([0-9]+) ]]; then
            major="${BASH_REMATCH[1]}"
            minor="${BASH_REMATCH[2]}"
            patch="${BASH_REMATCH[3]}"
          else
            major=0
            minor=0
            patch=0
          fi
          
          # Determine version bump type from PR labels
          labels=$(echo '${{ toJSON(github.event.pull_request.labels.*.name) }}')
          if echo "$labels" | jq -e 'any(. == "major")' > /dev/null; then
            major=$((major + 1))
            minor=0
            patch=0
          elif echo "$labels" | jq -e 'any(. == "minor")' > /dev/null; then
            minor=$((minor + 1))
            patch=0
          else
            # Default to patch bump if no major/minor label
            patch=$((patch + 1))
          fi
          
          new_version="v${major}.${minor}.${patch}"
          echo "New version will be: $new_version"
          echo "version=$new_version" >> $GITHUB_OUTPUT

      - name: Generate Release Notes
        id: release-notes
        run: |
          # Get PR description
          DESCRIPTION="${{ github.event.pull_request.body }}"
          
          # Get list of changes since last release
          CHANGES=$(gh pr list \
            --base main \
            --state merged \
            --json title,number,mergedAt,labels \
            --search "merged:>=$(gh release view --json publishedAt --jq .publishedAt || echo "v0.0.0")")
          
          # Extract PR description and format it
          DESCRIPTION=$(echo "$DESCRIPTION" | sed '/<!--.*-->/d')
          
          # Format the release notes
          NOTES="## What's Changed
          
          ${DESCRIPTION}
          
          **Full Changelog**: https://github.com/${{ github.repository }}/compare/${{ github.event.pull_request.base.sha }}...${{ github.event.pull_request.head.sha }}
          
          ## Installation
          
          Add to your \`Package.swift\`:
          
          \`\`\`swift
          dependencies: [
              .package(url: \"https://github.com/vamsii777/SwiftTZ.git\", from: \"${{ steps.version.outputs.version }}\")
          ]
          \`\`\`
          "
          
          # Save to file (handles multiline better than environment variables)
          echo "$NOTES" > release_notes.md

      - name: Create Release
        uses: softprops/action-gh-release@v1
        with:
          tag_name: ${{ steps.version.outputs.version }}
          name: Release ${{ steps.version.outputs.version }}
          body_path: release_notes.md
          draft: false
          prerelease: false
          token: ${{ secrets.TOKEN }}

      - name: Update Documentation
        if: success()
        run: |
          # Add any documentation update steps here
          echo "Documentation updated for version ${{ steps.version.outputs.version }}"

      - name: Notify on Failure
        if: failure()
        uses: actions/github-script@v7
        with:
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: '❌ Failed to create release. Please check the workflow logs for details.'
            })

      - name: Update README.md Version
        if: success()
        run: |
          VERSION="${{ steps.version.outputs.version }}"
          VERSION_NO_V="${VERSION#v}"  # Remove 'v' prefix
          
          # Update version in README.md
          sed -i.bak 's/\.package(url: "https:\/\/github\.com\/vamsii777\/SwiftTZ\.git", from: "[0-9]*\.[0-9]*\.[0-9]*")/\.package(url: "https:\/\/github\.com\/vamsii777\/SwiftTZ\.git", from: "'$VERSION_NO_V'")/' README.md
          rm README.md.bak

      - name: Commit Version Updates
        if: success()
        run: |
          git config --local user.email "action@github.com"
          git config --local user.name "GitHub Action"
          git add Package.swift README.md
          git commit -m "chore: bump version to ${{ steps.version.outputs.version }}"
          git push