import { readFileSync } from "node:fs";
import { join } from "node:path";
import { describe, expect, it } from "vitest";

const source = readFileSync(
  join(process.cwd(), "src/views/dashboards/superUserDashboard/department/modules/DepartmentModulesSetup.vue"),
  "utf8"
);

describe("DepartmentModulesSetup self-serve management regression", () => {
  it("loads and updates department self-serve status through shared helpers", () => {
    expect(source).toContain("getDepartmentSelfServeStatus");
    expect(source).toContain("setDepartmentSelfServeStatus");
    expect(source).toContain("loadSelfServeEnabled()");
    expect(source).toContain("updateSelfServeEnabled");
  });

  it("renders a dedicated self-serve module switch in setup UI", () => {
    expect(source).toContain('title="Selvvask"');
    expect(source).toContain(':title="selfServeAutoDeactivationText"');
    expect(source).toContain(':description="selfServeAutoDeactivationText"');
    expect(source).toContain("NEVER");
  });

  it("refetches scheduling metadata for legacy message-only update responses", () => {
    expect(source).toContain("if (status.hasAutoDeactivation)");
    expect(source).toContain("preserveEnabledOnError: true");
    expect(source).toContain("requestedDepartmentId");
    expect(source).toContain("if (!preserveEnabledOnError)");
  });

  it("reloads self-serve status safely when the route department changes", () => {
    expect(source).toContain("watch(");
    expect(source).toContain("router.currentRoute.value.params.departmentId");
    expect(source).toContain("selfServeStatusRequestSequence");
    expect(source).toContain("requestSequence !== selfServeStatusRequestSequence");
    expect(source).toContain("{ immediate: true }");
  });

  it("invalidates an in-flight save when the route department changes", () => {
    expect(source).toContain("selfServeSaveRequestSequence");
    expect(source).toContain("const requestSequence = ++selfServeSaveRequestSequence");
    expect(source).toContain("requestSequence !== selfServeSaveRequestSequence");
    expect(source).toContain("selfServeSaveRequestSequence++");
    expect(source).toContain("isSavingSelfServeEnabled.value = false");
  });

  it("ignores department-variable responses from a previously selected route department", () => {
    expect(source).toContain("departmentVariablesRequestSequence");
    expect(source).toContain("const requestSequence = ++departmentVariablesRequestSequence");
    expect(source).toContain("requestSequence !== departmentVariablesRequestSequence");
    expect(source).toContain("String(departmentId.value) !== requestedDepartmentId");
    expect(source).toContain("getDepartmentVariables(String(nextDepartmentId))");
  });
});