name: Production Release

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

permissions:
  contents: write

jobs:
  # Only run if PR was merged (not just closed)
  check-merge:
    if: github.event.pull_request.merged == true && github.event.pull_request.head.ref == 'beta'
    runs-on: ubuntu-latest
    outputs:
      should_release: ${{ steps.check.outputs.should_release }}
    steps:
      - name: Check if this is a beta to main merge
        id: check
        run: |
          echo "should_release=true" >> $GITHUB_OUTPUT
          echo "✅ This is a beta → main merge, proceeding with production release" >> $GITHUB_STEP_SUMMARY

  build-and-release:
    needs: check-merge
    if: needs.check-merge.outputs.should_release == 'true'
    runs-on: ubuntu-latest
    environment: production  # Requires manual approval from maintainers
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          ref: main
          fetch-depth: 0

      - name: Setup Bun
        uses: oven-sh/setup-bun@v2
        with:
          bun-version: '1.3.1'

      - name: Install dependencies
        run: bun install

      - name: Build extension
        run: bun run build
        env:
          NODE_ENV: production

      - name: Get version from package.json
        id: version
        run: |
          VERSION=$(node -p "require('./package.json').version")
          # Remove any pre-release suffix for production
          STABLE_VERSION=$(echo $VERSION | sed 's/-.*$//')
          echo "version=$STABLE_VERSION" >> $GITHUB_OUTPUT
          echo "full_version=$VERSION" >> $GITHUB_OUTPUT
          echo "Building production version: $STABLE_VERSION"

      - name: Generate production changelog
        id: changelog
        run: |
          # Get the latest production (non-beta) tag
          PREVIOUS_TAG=$(git tag -l 'v*' --sort=-v:refname | grep -v 'beta\|alpha\|rc' | head -n 1 || echo "")
          
          if [ -z "$PREVIOUS_TAG" ]; then
            echo "No previous production tag found, using all commits"
            COMMITS=$(git log --pretty=format:"- %s (%h)" main)
          else
            echo "Generating changelog from $PREVIOUS_TAG to main"
            COMMITS=$(git log --pretty=format:"- %s (%h)" ${PREVIOUS_TAG}..main)
          fi
          
          # Categorize commits
          FEATURES=$(echo "$COMMITS" | grep -i "^- feat" || echo "")
          FIXES=$(echo "$COMMITS" | grep -i "^- fix" || echo "")
          PERFORMANCE=$(echo "$COMMITS" | grep -i "^- perf" || echo "")
          BREAKING=$(echo "$COMMITS" | grep -i "BREAKING CHANGE" || echo "")
          
          {
            echo "changelog<<EOF"
            if [ -n "$BREAKING" ]; then
              echo "### ⚠️ Breaking Changes"
              echo "$BREAKING"
              echo ""
            fi
            if [ -n "$FEATURES" ]; then
              echo "### ✨ New Features"
              echo "$FEATURES"
              echo ""
            fi
            if [ -n "$FIXES" ]; then
              echo "### 🐛 Bug Fixes"
              echo "$FIXES"
              echo ""
            fi
            if [ -n "$PERFORMANCE" ]; then
              echo "### ⚡ Performance Improvements"
              echo "$PERFORMANCE"
            fi
            echo "EOF"
          } >> $GITHUB_OUTPUT

      - name: Check if tag exists
        id: check_tag
        run: |
          if git rev-parse "v${{ steps.version.outputs.version }}" >/dev/null 2>&1; then
            echo "exists=true" >> $GITHUB_OUTPUT
          else
            echo "exists=false" >> $GITHUB_OUTPUT
          fi

      - name: Create production tag
        if: steps.check_tag.outputs.exists == 'false'
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -a "v${{ steps.version.outputs.version }}" -m "Release v${{ steps.version.outputs.version }}"
          git push origin "v${{ steps.version.outputs.version }}"

      - name: Create GitHub Release
        run: |
          RELEASE_NOTES=$(cat <<EOF
          ## 🎉 Mue v${{ steps.version.outputs.version }}
          
          ${{ steps.changelog.outputs.changelog }}
          
          ### 📦 Installation
          
          **Browser Extensions:**
          - **Chrome**: [Chrome Web Store](https://chromewebstore.google.com/detail/mue/bngmbednanpcfochchhgbkookpiaiaid)
          - **Edge**: [Edge Add-ons](https://microsoftedge.microsoft.com/addons/detail/mue/aepnglgjfokepefimhbnibfjekidhmja)
          - **Firefox**: [Firefox Add-ons](https://addons.mozilla.org/en-GB/firefox/addon/mue/)
          
          **Manual Installation:**
          - Download the appropriate ZIP file below
          - Chrome/Edge: Load unpacked extension from extracted folder
          - Firefox: Install from about:debugging → Load Temporary Add-on
          
          ### 🔗 Links
          - **Demo**: [demo.muetab.com](https://demo.muetab.com)
          - **Changelog**: [muetab.com/blog/changelog](https://muetab.com/blog/changelog)
          - **Documentation**: [github.com/mue/mue](https://github.com/mue/mue)
          
          ---
          
          ### 📝 Build Information
          - **Version**: ${{ steps.version.outputs.version }}
          - **Build Date**: $(date -u +"%Y-%m-%d %H:%M:%S UTC")
          - **Commit**: ${{ github.sha }}
          EOF
          )
          
          gh release create "v${{ steps.version.outputs.version }}" \
            "build/chrome-${{ steps.version.outputs.version }}.zip" \
            "build/firefox-${{ steps.version.outputs.version }}.zip" \
            --title "Mue v${{ steps.version.outputs.version }}" \
            --notes "$RELEASE_NOTES" \
            --latest
        env:
          GH_TOKEN: ${{ github.token }}

      - name: Output success summary
        run: |
          echo "## 🚀 Production Release Published!" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "**Version**: v${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "**Release URL**: https://github.com/${{ github.repository }}/releases/tag/v${{ steps.version.outputs.version }}" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### 📦 Build Artifacts" >> $GITHUB_STEP_SUMMARY
          echo "- Chrome/Edge: \`chrome-${{ steps.version.outputs.version }}.zip\`" >> $GITHUB_STEP_SUMMARY
          echo "- Firefox: \`firefox-${{ steps.version.outputs.version }}.zip\`" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### ⚠️ Manual Steps Required" >> $GITHUB_STEP_SUMMARY
          echo "1. Go to [GitHub Actions](https://github.com/${{ github.repository }}/actions/workflows/submit.yml)" >> $GITHUB_STEP_SUMMARY
          echo "2. Click 'Run workflow'" >> $GITHUB_STEP_SUMMARY
          echo "3. Enter tag: \`${{ steps.version.outputs.version }}\`" >> $GITHUB_STEP_SUMMARY
          echo "4. Click 'Run workflow' to submit to Chrome/Firefox/Edge stores" >> $GITHUB_STEP_SUMMARY
          echo "" >> $GITHUB_STEP_SUMMARY
          echo "### 📢 Post-Release Checklist" >> $GITHUB_STEP_SUMMARY
          echo "- [ ] Submit to browser stores (see manual steps above)" >> $GITHUB_STEP_SUMMARY
          echo "- [ ] Update [muetab.com/blog/changelog](https://muetab.com/blog/changelog)" >> $GITHUB_STEP_SUMMARY
          echo "- [ ] Announce release on Discord/social media" >> $GITHUB_STEP_SUMMARY
          echo "- [ ] Monitor issue tracker for bug reports" >> $GITHUB_STEP_SUMMARY
          echo "- [ ] Merge \`main\` back to \`beta\` and \`dev\` to sync version" >> $GITHUB_STEP_SUMMARY