name: Deploy Health Monitor

# Daily drift + deploy-failure check across all peptiderepo app repos.
# Runs on GitHub's scheduler (independent of the local board cron that died).
# Opens ONE de-duplicated 'deploy-health' issue here when something is off.

on:
  schedule:
    - cron: '0 13 * * *'
  workflow_dispatch:

permissions:
  contents: read
  issues: write
  actions: read

jobs:
  check:
    name: Check prod-vs-main drift + last deploy status
    runs-on: ubuntu-latest
    steps:
      - uses: actions/github-script@v7
        with:
          script: |
            const owner = 'peptiderepo';
            const repos = [
              'prautoblogger','peptide-repo-core','peptide-search-ai',
              'peptide-news-plugin','peptide-reconstitution-calculator','peptide-starter-theme'
            ];
            const short = s => s ? String(s).substring(0,7) : '—';
            const problems = [];
            for (const repo of repos) {
              try {
                const main = (await github.rest.repos.getBranch({owner, repo, branch:'main'})).data.commit.sha;
                let runConc = 'none', runSha = '';
                try {
                  const runs = (await github.rest.actions.listWorkflowRuns({owner, repo, workflow_id:'deploy.yml', per_page:1})).data.workflow_runs;
                  if (runs.length) { runConc = runs[0].conclusion || runs[0].status; runSha = runs[0].head_sha; }
                } catch (e) { runConc = 'no-deploy-workflow'; }
                let prodSha = null, prodState = 'none';
                const deps = (await github.rest.repos.listDeployments({owner, repo, environment:'production', per_page:1})).data;
                if (deps.length) {
                  prodSha = deps[0].sha;
                  const sts = (await github.rest.repos.listDeploymentStatuses({owner, repo, deployment_id: deps[0].id, per_page:1})).data;
                  if (sts.length) prodState = sts[0].state;
                }
                if (runConc === 'failure') problems.push(`**${repo}**: latest deploy run failed (\`${short(runSha)}\`)`);
                if (prodSha && prodSha !== main) problems.push(`**${repo}**: prod behind main — prod=\`${short(prodSha)}\` vs main=\`${short(main)}\` (undeployed commits)`);
                if (prodSha && prodState !== 'success') problems.push(`**${repo}**: last production deployment state is \`${prodState}\``);
                core.info(`${repo}: main=${short(main)} lastRun=${runConc} prodDeploy=${short(prodSha)}/${prodState}`);
              } catch (e) {
                problems.push(`**${repo}**: monitor error — ${e.message}`);
              }
            }
            const summary = problems.length
              ? `### ⚠️ Deploy health: ${problems.length} issue(s)\n\n` + problems.map(p=>`- ${p}`).join('\n')
              : `### ✅ All app repos current; last deploy healthy`;
            await core.summary.addRaw(summary).write();
            if (problems.length) {
              const existing = (await github.rest.issues.listForRepo({owner, repo: context.repo.repo, labels:'deploy-health', state:'open'})).data;
              if (existing.length === 0) {
                await github.rest.issues.create({ owner, repo: context.repo.repo,
                  title: `Deploy health: ${problems.length} issue(s) detected`,
                  body: summary + `\n\n_Opened by deploy-health.yml. Close once resolved; the monitor won't reopen while this stays open._`,
                  labels: ['deploy-health'] });
                core.warning(`Opened deploy-health issue (${problems.length} problems)`);
              } else {
                core.warning(`${problems.length} problems; deploy-health issue already open (#${existing[0].number})`);
              }
            }