import { describe, expect, it } from "vitest";
import {
  formatSeverityEscalationToast,
  shouldAnnounceSeverityEscalation,
} from "@/domain/work-orders/utils/severity-escalation";

describe("shouldAnnounceSeverityEscalation", () => {
  it("announces when severity newly enters SEV 1", () => {
    expect(shouldAnnounceSeverityEscalation(3, 1)).toBe(true);
    expect(shouldAnnounceSeverityEscalation(null, 1)).toBe(true);
  });

  it("does not announce a re-save of the same critical severity", () => {
    expect(shouldAnnounceSeverityEscalation(1, 1)).toBe(false);
  });

  it("does not announce a de-escalation out of SEV 1/2", () => {
    expect(shouldAnnounceSeverityEscalation(2, 3)).toBe(false);
  });

  it("announces when severity rises from SEV 3–5 into SEV 2", () => {
    expect(shouldAnnounceSeverityEscalation(5, 2)).toBe(true);
    expect(shouldAnnounceSeverityEscalation(4, 2)).toBe(true);
  });

  it("does not announce moves between SEV 3–5", () => {
    expect(shouldAnnounceSeverityEscalation(5, 3)).toBe(false);
    expect(shouldAnnounceSeverityEscalation(4, 3)).toBe(false);
    expect(shouldAnnounceSeverityEscalation(3, 5)).toBe(false);
  });

  it("does not announce SEV 1 to SEV 2 (already critical)", () => {
    expect(shouldAnnounceSeverityEscalation(1, 2)).toBe(false);
  });

  it("does not announce SEV 2 to SEV 1 (already critical)", () => {
    expect(shouldAnnounceSeverityEscalation(2, 1)).toBe(false);
  });
});

describe("formatSeverityEscalationToast", () => {
  it("matches the AAP warning copy", () => {
    expect(formatSeverityEscalationToast("00000024965", 1)).toBe(
      "WO #00000024965 escalated to SEV 1.",
    );
  });
});