release.yml

name: Create GitHub Release

on:
  push:
    tags:
      - 'v*.*.*'
  workflow_dispatch:
    inputs:
      tag:
        description: 'Tag to create release for (e.g., v1.0.0)'
        required: true
        type: string

env:
  REGISTRY: ghcr.io
  CORE_IMAGE_NAME: ${{ github.repository_owner }}/simplens-core
  DASHBOARD_IMAGE_NAME: ${{ github.repository_owner }}/simplens-dashboard

jobs:
  release:
    runs-on: ubuntu-latest
    permissions:
      contents: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          fetch-depth: 0  # Fetch full history for commit analysis

      - name: Get release tag
        id: get_tag
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ]; then
            TAG="${{ inputs.tag }}"
          else
            TAG="${GITHUB_REF#refs/tags/}"
          fi
          echo "tag=$TAG" >> $GITHUB_OUTPUT
          echo "version=${TAG#v}" >> $GITHUB_OUTPUT
          echo "Release tag: $TAG"

      - name: Get previous tag
        id: prev_tag
        run: |
          CURRENT_TAG="${{ steps.get_tag.outputs.tag }}"
          # Get the previous tag (excluding current)
          PREV_TAG=$(git tag --sort=-version:refname | grep -v "^$CURRENT_TAG$" | head -n 1)
          
          if [ -z "$PREV_TAG" ]; then
            # No previous tag, get all commits
            echo "range=" >> $GITHUB_OUTPUT
            echo "No previous tag found, will include all commits"
          else
            echo "range=$PREV_TAG..$CURRENT_TAG" >> $GITHUB_OUTPUT
            echo "Commit range: $PREV_TAG..$CURRENT_TAG"
          fi
          echo "prev_tag=$PREV_TAG" >> $GITHUB_OUTPUT

      - name: Generate release notes
        id: release_notes
        run: |
          RANGE="${{ steps.prev_tag.outputs.range }}"
          VERSION="${{ steps.get_tag.outputs.version }}"
          TAG="${{ steps.get_tag.outputs.tag }}"
          PREV_TAG="${{ steps.prev_tag.outputs.prev_tag }}"
          OWNER_LOWER=$(echo "${{ github.repository_owner }}" | tr '[:upper:]' '[:lower:]')
          CORE_IMAGE="${{ env.REGISTRY }}/${OWNER_LOWER}/simplens-core"
          DASHBOARD_IMAGE="${{ env.REGISTRY }}/${OWNER_LOWER}/simplens-dashboard"
          
          # Get commits
          if [ -z "$RANGE" ]; then
            COMMITS=$(git log --oneline --format="%H %s")
          else
            COMMITS=$(git log --oneline --format="%H %s" $RANGE)
          fi
          
          # Initialize categories
          FEATURES=""
          BUGFIXES=""
          OTHER=""
          
          # Process each commit
          while IFS= read -r line; do
            if [ -z "$line" ]; then
              continue
            fi
            
            HASH=$(echo "$line" | awk '{print $1}')
            SHORT_HASH=$(echo "$HASH" | cut -c1-7)
            MESSAGE=$(echo "$line" | cut -d' ' -f2-)
            LOWER_MSG=$(echo "$MESSAGE" | tr '[:upper:]' '[:lower:]')
            
            # Create commit link
            COMMIT_LINK="[\`$SHORT_HASH\`](https://github.com/${{ github.repository }}/commit/$HASH)"
            
            # Categorize based on keywords (case-insensitive)
            if echo "$LOWER_MSG" | grep -qE "(feature|feat|add|new|implement)"; then
              FEATURES="$FEATURES- $MESSAGE ($COMMIT_LINK)"$'\n'
            elif echo "$LOWER_MSG" | grep -qE "(fix|bug|bugfix|bug-fix|fixed|resolve|patch)"; then
              BUGFIXES="$BUGFIXES- $MESSAGE ($COMMIT_LINK)"$'\n'
            else
              OTHER="$OTHER- $MESSAGE ($COMMIT_LINK)"$'\n'
            fi
          done <<< "$COMMITS"
          
          # Build release body
          BODY=""
          
          # Add comparison link if there's a previous tag
          if [ -n "$PREV_TAG" ]; then
            BODY="**Full Changelog**: https://github.com/${{ github.repository }}/compare/$PREV_TAG...$TAG"$'\n\n'
          fi
          
          if [ -n "$FEATURES" ]; then
            BODY="$BODY## 🚀 Features"$'\n\n'"$FEATURES"$'\n'
          fi
          
          if [ -n "$BUGFIXES" ]; then
            BODY="$BODY## 🐛 Bug Fixes"$'\n\n'"$BUGFIXES"$'\n'
          fi
          
          if [ -n "$OTHER" ]; then
            BODY="$BODY## 📦 Other Changes"$'\n\n'"$OTHER"$'\n'
          fi
          
          # Add Docker images section
          BODY="$BODY---"$'\n\n'
          BODY="$BODY## 🐳 Docker Images"$'\n\n'
          BODY="$BODY| Service | Image |"$'\n'
          BODY="$BODY|---------|-------|"$'\n'
          BODY="$BODY| Core | \`${CORE_IMAGE}:$VERSION\` |"$'\n'
          BODY="$BODY| Dashboard | \`${DASHBOARD_IMAGE}:$VERSION\` |"$'\n\n'
          BODY="$BODY\`\`\`bash"$'\n'
          BODY="$BODY# Pull images for this release"$'\n'
          BODY="${BODY}docker pull ${CORE_IMAGE}:$VERSION"$'\n'
          BODY="${BODY}docker pull ${DASHBOARD_IMAGE}:$VERSION"$'\n'
          BODY="$BODY\`\`\`"$'\n'
          
          # Save to file (to handle multiline output)
          echo "$BODY" > release_notes.md
          cat release_notes.md

      - name: Create GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          tag_name: ${{ steps.get_tag.outputs.tag }}
          name: Release ${{ steps.get_tag.outputs.tag }}
          body_path: release_notes.md
          draft: false
          prerelease: ${{ contains(steps.get_tag.outputs.tag, '-') }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}