import { describe, expect, it } from "vitest";
import {
  canRevokeWorkOrderUplift,
  getRemainingUpliftAllowance,
  hasOpenWorkOrderUplift,
  upliftRevokeRequiresReason,
} from "@/domain/work-orders/utils/uplift-display-utils";

describe("canRevokeWorkOrderUplift", () => {
  it("allows a dispatcher to revoke their own auto-approved uplift", () => {
    expect(
      canRevokeWorkOrderUplift(
        { status: "auto_approved", requestedById: "dispatcher-1" },
        "dispatcher-1",
        false,
      ),
    ).toBe(true);
  });

  it("rejects a dispatcher revoking another user's auto-approved uplift", () => {
    expect(
      canRevokeWorkOrderUplift(
        { status: "auto_approved", requestedById: "other-dispatcher" },
        "dispatcher-1",
        false,
      ),
    ).toBe(false);
  });

  it("rejects admin revoking auto-approved uplift they did not request", () => {
    expect(
      canRevokeWorkOrderUplift(
        { status: "auto_approved", requestedById: "dispatcher-1" },
        "admin-user",
        true,
      ),
    ).toBe(false);
  });

  it("rejects admin revoking an auto-approved uplift even as its requester", () => {
    expect(
      canRevokeWorkOrderUplift(
        { status: "auto_approved", requestedById: "admin-user" },
        "admin-user",
        true,
      ),
    ).toBe(false);
  });

  it("rejects approved revoke on the Work Order surface (SH-214)", () => {
    const uplift = { status: "approved" as const, requestedById: "dispatcher-1" };
    expect(canRevokeWorkOrderUplift(uplift, "dispatcher-1", false)).toBe(false);
    expect(canRevokeWorkOrderUplift(uplift, "admin-user", true)).toBe(false);
  });

  it("rejects revoke for other statuses", () => {
    expect(canRevokeWorkOrderUplift({ status: "pending", requestedById: "u1" }, "u1", false)).toBe(
      false,
    );
    expect(canRevokeWorkOrderUplift({ status: "rejected", requestedById: "u1" }, "u1", false)).toBe(
      false,
    );
  });
});

describe("upliftRevokeRequiresReason", () => {
  it("requires reason only for approved uplifts", () => {
    expect(upliftRevokeRequiresReason("approved")).toBe(true);
    expect(upliftRevokeRequiresReason("auto_approved")).toBe(false);
  });
});

describe("SH-196 allowance helpers", () => {
  it("uses a $500 cap for non-emergency work orders", () => {
    expect(getRemainingUpliftAllowance("PM", [])).toBe(500);
    expect(getRemainingUpliftAllowance("PM", [{ status: "auto_approved", amount: 400 }])).toBe(100);
  });

  it("uses a $5,000 cap for emergency work orders", () => {
    expect(getRemainingUpliftAllowance("Emergency", [])).toBe(5000);
  });

  it("ignores revoked and pending amounts when computing remaining allowance", () => {
    expect(
      getRemainingUpliftAllowance("PM", [
        { status: "auto_approved", amount: 200 },
        { status: "revoked", amount: 300 },
        { status: "pending", amount: 400 },
      ]),
    ).toBe(300);
  });

  it("detects an open pending request", () => {
    expect(hasOpenWorkOrderUplift([{ status: "pending" }])).toBe(true);
    expect(hasOpenWorkOrderUplift([{ status: "auto_approved" }])).toBe(false);
  });
});