name: TheRespectPanda Bot

on:
  issue_comment:
    types: [created]

jobs:
  listen-comment:
    if: startsWith(github.event.comment.body, '@TheRespectPanda')
    runs-on: ubuntu-latest
    permissions:
      issues: write
      actions: write
    steps:
      - uses: actions/github-script@v8
        with:
          github-token: ${{ secrets.PANDA_GITHUB_PAT }}
          script: |
            const body = (context.payload.comment && context.payload.comment.body).trim() || '';
            const usage = 'Usage: `@TheRespectPanda ping|help|benchmark`';

            if (!body.startsWith('@TheRespectPanda')) {
              return;
            }

            let answer;

            switch (body) {
              case '@TheRespectPanda ping':
                answer = 'Pong! 🐼';
                break;

              case '@TheRespectPanda':
              case '@TheRespectPanda help':
                answer = 'Hello! I am TheRespectPanda Bot. ' + usage;
                break;

              case '@TheRespectPanda benchmark':
                // Only runnable on pull requests
                if (!context.payload.issue.pull_request) {
                  answer = 'The `benchmark` command can only be used on pull requests.';
                  break;
                }

                // Only members can trigger benchmarks
                const association = context.payload.comment.author_association;
                const allowedAssociations = ['OWNER', 'MEMBER', 'COLLABORATOR'];
                if (!allowedAssociations.includes(association)) {
                  answer = 'Only repository members can trigger benchmarks.';
                  break;
                }

                try {
                  // dispatch the perf workflow
                  const ref = (context.payload.repository && context.payload.repository.default_branch) || 'main';

                  const workflowId = 'ci-perf.yml';
                  await github.rest.actions.createWorkflowDispatch({
                    owner: context.repo.owner,
                    repo: context.repo.repo,
                    workflow_id: workflowId,
                    ref,
                    inputs: {
                      baseline: 'latest',
                      pull: String(context.issue.number)
                    }
                  });

                  const runUrl = `https://github.com/${context.repo.owner}/${context.repo.repo}/actions/workflows/${workflowId}`;
                  answer = `Triggered phpbench benchmarks for PR #${context.issue.number} — workflow run: ${runUrl}`;
                } catch (err) {
                  answer = `Failed to trigger benchmarks: ${err.message}`;
                }

                break;

              default:
                answer = "I'm sorry, I don't understand that command. " + usage;
            }

            await github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: answer
            });