name: 📝 Artifact Comment on PR

concurrency:
  group: artifact-comment-${{ github.event.workflow_run.id || github.run_id }}
  cancel-in-progress: false

on:
  workflow_dispatch: # Allow manual testing
  workflow_run:
    workflows:
      - "🤖 Android APK Build (Phone + TV)"
      - "🤖 iOS IPA Build (Phone + TV)"
    types:
      - completed

jobs:
  comment-artifacts:
    if: github.event_name == 'workflow_dispatch' || (github.event.workflow_run.event == 'pull_request' && github.event.workflow_run.conclusion == 'success')
    runs-on: ubuntu-latest
    permissions:
      contents: read
      pull-requests: write
      actions: read

    steps:
      - name: 🔍 Get PR and Artifacts
        uses: actions/github-script@v8
        with:
          script: |
            // Handle both workflow_run and manual dispatch events
            let runId, pr;

            if (context.eventName === 'workflow_run') {
              runId = github.event.workflow_run.id;
              
              // Find PR associated with this commit
              const { data: pullRequests } = await github.rest.repos.listPullRequestsAssociatedWithCommit({
                owner: context.repo.owner,
                repo: context.repo.repo,
                commit_sha: github.event.workflow_run.head_sha
              });
              
              if (pullRequests.length === 0) {
                console.log('No pull request found for commit:', github.event.workflow_run.head_sha);
                return;
              }
              pr = pullRequests[0];
              
            } else if (context.eventName === 'workflow_dispatch') {
              // For manual testing, use most recent test workflow run
              const { data: workflows } = await github.rest.actions.listWorkflowRuns({
                owner: context.repo.owner,
                repo: context.repo.repo,
                workflow_id: 'test-artifact.yml',
                per_page: 1
              });
              
              if (workflows.workflow_runs.length === 0) {
                console.log('No test workflow runs found');
                return;
              }
              
              const testRun = workflows.workflow_runs[0];
              runId = testRun.id;
              
              // Get current PR for manual testing
              const prNumber = context.payload.pull_request?.number || 1101;
              const { data: prData } = await github.rest.pulls.get({
                owner: context.repo.owner,
                repo: context.repo.repo,
                pull_number: prNumber
              });
              pr = prData;
              
            } else {
              console.log('Unsupported event type:', context.eventName);
              return;
            }

            console.log(`Found PR #${pr.number} for commit ${pr.head.sha.substring(0, 7)}`);

            // Get artifacts from the workflow run
            const { data: artifacts } = await github.rest.actions.listWorkflowRunArtifacts({
              owner: context.repo.owner,
              repo: context.repo.repo,
              run_id: runId
            });

            if (!artifacts || artifacts.artifacts.length === 0) {
              console.log('No artifacts found for this run');
              return;
            }

            // Sort and categorize artifacts
            const androidArtifacts = artifacts.artifacts
              .filter(a => a.name.includes('android'))
              .sort((a, b) => a.name.localeCompare(b.name));
            const iosArtifacts = artifacts.artifacts
              .filter(a => a.name.includes('ios'))
              .sort((a, b) => a.name.localeCompare(b.name));

            // Build comment body with table format
            let commentBody = `## 📱 Build Artifacts Ready!\n\n`;
            commentBody += `✅ **Workflow completed successfully** for PR #${pr.number}\n`;
            commentBody += `📦 **${artifacts.artifacts.length} artifacts** generated from commit [\`${pr.head.sha.substring(0, 7)}\`](https://github.com/${context.repo.owner}/${context.repo.repo}/commit/${pr.head.sha})\n\n`;

            if (androidArtifacts.length === 0 && iosArtifacts.length === 0) {
              commentBody += `⚠️ No mobile app artifacts found in this build.\n\n`;
            } else {
              // Create table for better organization
              commentBody += `| Platform | Device Type | Download Link |\n`;
              commentBody += `|----------|-------------|---------------|\n`;
              
              // Add Android artifacts
              androidArtifacts.forEach(artifact => {
                const isTV = artifact.name.includes('tv');
                const deviceType = isTV ? '📺 Android TV' : '📱 Android Phone';
                const nightlyLink = `https://nightly.link/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId}/${artifact.name}.zip`;
                commentBody += `| 🤖 Android | ${deviceType} | [📥 Download APK](${nightlyLink}) |\n`;
              });
              
              // Add iOS artifacts
              iosArtifacts.forEach(artifact => {
                const isTV = artifact.name.includes('tv');
                const deviceType = isTV ? '📺 Apple TV' : '📱 iPhone/iPad';
                const nightlyLink = `https://nightly.link/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId}/${artifact.name}.zip`;
                commentBody += `| 🍎 iOS | ${deviceType} | [📥 Download IPA](${nightlyLink}) |\n`;
              });
              
              commentBody += `\n`;
              commentBody += `### 🔧 Installation Instructions\n\n`;
              commentBody += `- **Android APK**: Download and install directly on your device (enable "Install from unknown sources")\n`;
              commentBody += `- **iOS IPA**: Install using [AltStore](https://altstore.io/), [Sideloadly](https://sideloadly.io/), or Xcode\n\n`;
              commentBody += `> ⚠️ **Note**: Artifacts expire in 7 days from build date\n\n`;
            }

            commentBody += `<sub>*Auto-generated by [GitHub Actions](https://github.com/${context.repo.owner}/${context.repo.repo}/actions/runs/${runId})*</sub>`;
            commentBody += `\n<!-- streamyfin-artifact-comment -->`;

            // Find existing bot comment to update
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: pr.number
            });

            const botComment = comments.find(comment => 
              comment.user.type === 'Bot' && 
              comment.body.includes('<!-- streamyfin-artifact-comment -->')
            );

            if (botComment) {
              // Update existing comment
              await github.rest.issues.updateComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                comment_id: botComment.id,
                body: commentBody
              });
              console.log(`✅ Updated comment ${botComment.id} on PR #${pr.number}`);
            } else {
              // Create new comment
              await github.rest.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: pr.number,
                body: commentBody
              });
              console.log(`✅ Created new comment on PR #${pr.number}`);
            }