name: Validate Community Plugins

on:
  schedule:
    # Run weekly on Sunday at 02:00 UTC
    - cron: '0 2 * * 0'
  workflow_dispatch:
    inputs:
      plugin_filter:
        description: 'Filter plugins by name (regex pattern, empty = all)'
        required: false
        default: ''
      unity_version:
        description: 'Override Unity version (empty = use plugin default)'
        required: false
        default: ''

permissions:
  contents: read
  issues: write

jobs:
  load-plugins:
    name: Load Plugin Registry
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.parse.outputs.matrix }}
      plugin_count: ${{ steps.parse.outputs.count }}
    steps:
      - uses: actions/checkout@v4

      - name: Parse plugin registry
        id: parse
        uses: actions/github-script@v7
        with:
          script: |
            const fs = require('fs');
            const yaml = require('js-yaml');

            const registry = yaml.load(fs.readFileSync('community-plugins.yml', 'utf8'));
            let plugins = registry.plugins || [];

            // Apply name filter if provided
            const filter = '${{ github.event.inputs.plugin_filter }}';
            if (filter) {
              const regex = new RegExp(filter, 'i');
              plugins = plugins.filter(p => regex.test(p.name));
            }

            // Expand platform matrix
            const matrix = [];
            for (const plugin of plugins) {
              const platforms = plugin.platforms || ['StandaloneLinux64'];
              for (const platform of platforms) {
                matrix.push({
                  name: plugin.name,
                  package: plugin.package,
                  source: plugin.source || 'git',
                  unity: '${{ github.event.inputs.unity_version }}' || plugin.unity || '2021.3',
                  platform: platform,
                  timeout: plugin.timeout || 30
                });
              }
            }

            core.setOutput('matrix', JSON.stringify({ include: matrix }));
            core.setOutput('count', matrix.length);
            console.log(`Found ${matrix.length} plugin-platform combinations to validate`);

  validate:
    name: '${{ matrix.name }} (${{ matrix.platform }})'
    needs: load-plugins
    if: needs.load-plugins.outputs.plugin_count > 0
    runs-on: ubuntu-latest
    timeout-minutes: ${{ fromJson(matrix.timeout) }}
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.load-plugins.outputs.matrix) }}
    steps:
      - uses: actions/checkout@v4

      - name: Create test project
        run: |
          mkdir -p test-project/Assets
          mkdir -p test-project/Packages
          mkdir -p test-project/ProjectSettings

          # Create minimal manifest.json
          if [ "${{ matrix.source }}" = "git" ]; then
            cat > test-project/Packages/manifest.json << 'MANIFEST'
          {
            "dependencies": {
              "com.unity.modules.imgui": "1.0.0",
              "com.unity.modules.jsonserialize": "1.0.0"
            }
          }
          MANIFEST

            # Add git package via manifest
            cd test-project
            python3 -c "
          import sys, json
          manifest = json.load(sys.stdin)
          manifest['dependencies']['${{ matrix.name }}'] = '${{ matrix.package }}'
          json.dump(manifest, sys.stdout, indent=2)
          " < Packages/manifest.json > Packages/manifest.tmp && mv Packages/manifest.tmp Packages/manifest.json
            cd ..
          fi

          # Create minimal ProjectSettings
          cat > test-project/ProjectSettings/ProjectVersion.txt << EOF
          m_EditorVersion: ${{ matrix.unity }}
          EOF

      - name: Build with unity-builder
        uses: ./
        id: build
        with:
          projectPath: test-project
          targetPlatform: ${{ matrix.platform }}
          unityVersion: ${{ matrix.unity }}
        continue-on-error: true

      - name: Record result
        if: always()
        run: |
          STATUS="${{ steps.build.outcome }}"
          {
            echo "## ${{ matrix.name }} — ${{ matrix.platform }}"
            echo ""
            if [ "$STATUS" = "success" ]; then
              echo "✅ **PASSED** — Compiled and built successfully"
            else
              echo "❌ **FAILED** — Build or compilation failed"
            fi
            echo ""
            echo "- Unity: ${{ matrix.unity }}"
            echo "- Platform: ${{ matrix.platform }}"
            echo "- Source: ${{ matrix.source }}"
            echo "- Package: \`${{ matrix.package }}\`"
          } >> "$GITHUB_STEP_SUMMARY"

  report:
    name: Validation Report
    needs: [load-plugins, validate]
    if: always()
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4

      - name: Generate summary
        uses: actions/github-script@v7
        with:
          script: |
            const { data: run } = await github.rest.actions.listJobsForWorkflowRun({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: context.runId
            });

            const validateJobs = run.jobs.filter(j => j.name.startsWith('validate'));
            const passed = validateJobs.filter(j => j.conclusion === 'success').length;
            const failed = validateJobs.filter(j => j.conclusion === 'failure').length;
            const total = validateJobs.length;

            let summary = `# Community Plugin Validation Report\n\n`;
            summary += `**${passed}/${total} passed** | ${failed} failed\n\n`;
            summary += `| Plugin | Platform | Status |\n|--------|----------|--------|\n`;

            for (const job of validateJobs) {
              const icon = job.conclusion === 'success' ? '✅' : '❌';
              summary += `| ${job.name} | | ${icon} ${job.conclusion} |\n`;
            }

            await core.summary.addRaw(summary).write();

            // Create or update issue if there are failures
            if (failed > 0) {
              const title = `Community Plugin Validation: ${failed} failure(s) — ${new Date().toISOString().split('T')[0]}`;
              const body = summary + `\n\n[Workflow Run](${context.serverUrl}/${context.repo.owner}/${context.repo.repo}/actions/runs/${context.runId})`;

              const { data: issues } = await github.rest.issues.listForRepo({
                owner: context.repo.owner,
                repo: context.repo.repo,
                state: 'open',
                labels: 'community-plugin-validation'
              });

              if (issues.length > 0) {
                await github.rest.issues.createComment({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  issue_number: issues[0].number,
                  body: body
                });
              } else {
                await github.rest.issues.create({
                  owner: context.repo.owner,
                  repo: context.repo.repo,
                  title: title,
                  body: body,
                  labels: ['community-plugin-validation']
                });
              }
            }