import { describe, expect, it } from "vitest";
import type { WorkbenchEvent } from "../api/workbench-sync-client";
import { shouldApplyWorkbenchSnapshot, shouldRefreshWorkbenchRuntime } from "./use-workbench-sync";

describe("workbench snapshot ordering", () => {
  it("rejects an older concurrent response even when its cursor is valid", () => {
    expect(shouldApplyWorkbenchSnapshot({
      requestGeneration: 1,
      latestRequestGeneration: 2,
      eventCursor: 120,
      currentCursor: 100
    })).toBe(false);
  });

  it("rejects a snapshot whose cursor trails already consumed events", () => {
    expect(shouldApplyWorkbenchSnapshot({
      requestGeneration: 2,
      latestRequestGeneration: 2,
      eventCursor: 99,
      currentCursor: 100
    })).toBe(false);
  });

  it("accepts only the latest response without cursor rollback", () => {
    expect(shouldApplyWorkbenchSnapshot({
      requestGeneration: 2,
      latestRequestGeneration: 2,
      eventCursor: 100,
      currentCursor: 100
    })).toBe(true);
  });
});

describe("work-order projection readiness", () => {
  const event: WorkbenchEvent = {
    schema: "workbench-event@1",
    event_seq: 1,
    event_id: "324ff7ee-c2d4-5184-a84b-48fb14a2933e",
    project_id: "324ff7ee-c2d4-5184-a84b-48fb14a2933e",
    topic: "workbench.work_order.changed",
    aggregate_type: "peripheral_work_order",
    aggregate_id: "source-order",
    aggregate_revision: 1,
    occurred_at: "2026-10-08T00:00:00Z",
    metadata: { source: "peripheral_sample" }
  };

  it("waits for authoritative projection events instead of fetching a premature snapshot", () => {
    expect(shouldRefreshWorkbenchRuntime(event)).toBe(false);
    expect(shouldRefreshWorkbenchRuntime({ ...event, aggregate_type: "operational_action" })).toBe(true);
    expect(shouldRefreshWorkbenchRuntime({ ...event, topic: "workbench.alert.changed", aggregate_type: "workbench_alert" })).toBe(true);
  });
});