# ============================================================================
# BlackRoad OS - Automated Release Notes
# Copyright (c) 2025 BlackRoad OS, Inc. / Alexa Louise Amundson
# All Rights Reserved.
# ============================================================================
#
# Generates release notes from merged PRs and closed issues.
# ============================================================================

name: Release Notes

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version for release notes'
        required: true
        default: 'v0.0.0'
      since:
        description: 'Since date (YYYY-MM-DD) or tag'
        required: false

permissions:
  contents: write

jobs:
  generate:
    name: Generate Release Notes
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - name: Generate release notes
        uses: actions/github-script@v7
        id: notes
        with:
          script: |
            const version = '${{ github.event.inputs.version }}';
            const since = '${{ github.event.inputs.since }}' || null;

            // Get merged PRs
            const prs = await github.rest.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: 'closed',
              sort: 'updated',
              direction: 'desc',
              per_page: 100
            });

            const mergedPRs = prs.data.filter(pr => pr.merged_at);

            // Categorize PRs
            const categories = {
              'Features': [],
              'Bug Fixes': [],
              'Documentation': [],
              'Infrastructure': [],
              'Other': []
            };

            for (const pr of mergedPRs) {
              const labels = pr.labels.map(l => l.name);
              const title = `${pr.title} (#${pr.number}) @${pr.user.login}`;

              if (labels.includes('enhancement') || pr.title.startsWith('feat')) {
                categories['Features'].push(title);
              } else if (labels.includes('bug') || pr.title.startsWith('fix')) {
                categories['Bug Fixes'].push(title);
              } else if (labels.includes('documentation') || pr.title.startsWith('docs')) {
                categories['Documentation'].push(title);
              } else if (labels.includes('infrastructure') || labels.includes('ci')) {
                categories['Infrastructure'].push(title);
              } else {
                categories['Other'].push(title);
              }
            }

            // Build release notes
            let notes = `# Release ${version}\n\n`;
            notes += `Released: ${new Date().toISOString().split('T')[0]}\n\n`;

            for (const [category, items] of Object.entries(categories)) {
              if (items.length > 0) {
                notes += `## ${category}\n\n`;
                for (const item of items.slice(0, 10)) {
                  notes += `- ${item}\n`;
                }
                notes += '\n';
              }
            }

            notes += `---\n\n`;
            notes += `*Generated by BlackRoad OS Release Notes workflow*\n`;

            console.log(notes);
            core.setOutput('notes', notes);

      - name: Create release notes file
        run: |
          mkdir -p releases
          cat > releases/RELEASE-${{ github.event.inputs.version }}.md << 'EOF'
          ${{ steps.notes.outputs.notes }}
          EOF

      - name: Upload release notes
        uses: actions/upload-artifact@v4
        with:
          name: release-notes-${{ github.event.inputs.version }}
          path: releases/RELEASE-${{ github.event.inputs.version }}.md