import { afterEach, describe, expect, it, vi } from "vitest";
import { vendorPortalApi } from "@/domain/vendor-portal/api/vendor-portal-api";
import { createUpliftRequestKey } from "@/domain/vendor-portal/lib/request-key";
import { validateUpliftAmount } from "@/domain/vendor-portal/lib/uplift-validation";

afterEach(() => {
  vi.restoreAllMocks();
});

function jsonResponse(data: unknown): Response {
  return new Response(JSON.stringify({ status: "Success", data }), {
    status: 200,
    headers: { "Content-Type": "application/json" },
  });
}

describe("vendor uplift workflow contract", () => {
  it("requires reason and evidence only when the requested NTE exceeds the current NTE", () => {
    expect(validateUpliftAmount("90", 100, "", {})).toBe("");
    expect(validateUpliftAmount("110", 100, "", {})).toMatch(/reason/i);
    expect(validateUpliftAmount("110", 100, "Emergency work", {})).toMatch(/evidence/i);
    expect(validateUpliftAmount("110", 100, "Emergency work", { hasExisting: true })).toBe("");
  });

  it("keeps create-mode requests at or below current NTE as NoApprovalRequired", () => {
    expect(validateUpliftAmount("90", 100, "", { mode: "create" })).toBe("");
    expect(validateUpliftAmount("100", 100, "", { mode: "create" })).toBe("");
  });

  it("rejects revise-mode requests at or below current NTE with an actionable error", () => {
    expect(
      validateUpliftAmount("90", 100, "Reason", { hasExisting: true, mode: "revise" }),
    ).toMatch(/must be greater than the current NTE/i);
    expect(
      validateUpliftAmount("100", 100, "Reason", { hasExisting: true, mode: "revise" }),
    ).toMatch(/must be greater than the current NTE/i);
  });

  it("still requires approval details in revise mode when current NTE is unknown", () => {
    expect(validateUpliftAmount("110", undefined, "", { mode: "revise" })).toMatch(/reason/i);
    expect(validateUpliftAmount("110", undefined, "Emergency work", { mode: "revise" })).toMatch(
      /evidence/i,
    );
    expect(
      validateUpliftAmount("110", undefined, "Emergency work", {
        hasExisting: true,
        mode: "revise",
      }),
    ).toBe("");
  });

  it("uses a secure UUID request key", () => {
    expect(createUpliftRequestKey()).toMatch(
      /^[0-9a-f]{8}-[0-9a-f]{4}-4[0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}$/i,
    );
  });

  it("uses dispatch-scoped request, withdraw, revise, and status routes", async () => {
    const fetchMock = vi.spyOn(globalThis, "fetch").mockResolvedValue(jsonResponse({ id: 31 }));

    await vendorPortalApi.requestUplift("token", 7, {
      requestedNTE: 125,
      reason: "Parts",
      requestKey: "key-1",
      evidenceDocumentId: 22,
    });
    await vendorPortalApi.withdrawUplift("token", 7, 31);
    await vendorPortalApi.reviseUplift("token", 7, 31, {
      requestedNTE: 130,
      reason: "Updated parts",
      evidenceDocumentId: 22,
    });
    await vendorPortalApi.getDocumentStatus("token", 7, 22);

    expect(fetchMock.mock.calls.map(([url]) => new URL(String(url)).pathname)).toEqual([
      "/api/vendor-portal/dispatches/7/uplift-request",
      "/api/vendor-portal/dispatches/7/uplift-request/31/withdraw",
      "/api/vendor-portal/dispatches/7/uplift-request/31/revise",
      "/api/vendor-portal/dispatches/7/documents/22/status",
    ]);
    expect(JSON.parse(String(fetchMock.mock.calls[0]?.[1]?.body))).toMatchObject({
      requestedNTE: 125,
      evidenceDocumentId: 22,
    });
  });
});