import type { ExtensionAPI } from "../_shared/pi-api.js";
import { getCommandText, setTextWidget } from "../_shared/pi-api.js";
import { getAuditEvents } from "../_shared/permissions.js";
import { getDevEvents } from "../_shared/event-bus.js";
import { idsByCurrentStatus, idsByOwnershipStatus } from "../_shared/extension-inventory.js";

export default function devextDoctor(pi: ExtensionAPI): void {
  pi.registerCommand("devext", {
    description: "Developer extension package doctor: /devext doctor.",
    handler: async (args, ctx) => {
      if ((getCommandText(args).trim() || "doctor") !== "doctor") return;
      setTextWidget(ctx, "devext-doctor", report());
    },
  });
}

function report(): string {
  const activeDefaults = idsByCurrentStatus("active");
  const compatWrappers = idsByOwnershipStatus("compat-wrapper");
  const activeCompatWrappers = activeDefaults.filter((id) => compatWrappers.includes(id)).sort();
  const disabledCompatWrappers = idsByCurrentStatus("compat-wrapper");
  return [
    "miloc-pi doctor",
    `defaultSurface: ${activeDefaults.length} active extension(s)`,
    `activeDefaults: ${activeDefaults.join(", ")}`,
    `activeCompatWrappers: ${activeCompatWrappers.join(", ")}`,
    `disabledCompatWrappers: ${disabledCompatWrappers.join(", ")}`,
    `compatWrappers: ${compatWrappers.join(", ")}`,
    `ompOwnedToImport: ${idsByOwnershipStatus("omp-owned-to-import").join(", ")}`,
    `redesignLater: ${idsByOwnershipStatus("redesign-later").join(", ")}`,
    `splitRequired: ${idsByOwnershipStatus("split-required").join(", ")}`,
    `fixtures: ${idsByOwnershipStatus("miloc-specific").filter((id) => !activeDefaults.includes(id)).join(", ")}`,
    `deleted: ${idsByCurrentStatus("deleted").join(", ")}`,
    `auditEvents: ${getAuditEvents().length}`,
    `events: ${getDevEvents(500).length}`,
  ].join("\n");
}