/**
 * Session lifecycle hooks: show Hive status on startup, update status bar.
 */

import type { ExtensionAPI } from "@mariozechner/pi-coding-agent";
import * as fs from "node:fs";
import * as path from "node:path";
import { parseFeaturesMd, getStats } from "../lib/features-parser.js";

export function registerSessionHooks(pi: ExtensionAPI) {
  pi.on("session_start", async (_event, ctx) => {
    const featuresPath = path.join(ctx.cwd, "features.md");
    if (fs.existsSync(featuresPath)) {
      try {
        const content = fs.readFileSync(featuresPath, "utf-8");
        const features = parseFeaturesMd(content);
        const stats = getStats(features);
        ctx.ui.setStatus(
          "hive",
          `Hive: ${stats.done.length}/${stats.total} done | ${stats.pending.length} ready | ${stats.blocked.length} blocked`,
        );
      } catch {
        ctx.ui.setStatus("hive", "Hive: features.md (parse error)");
      }
    }
  });
}