import { describe, it, expect, afterEach } from "vitest";
import prisma from "../config/database";
import {
  generateIssuedOrderNumber,
  previewIssuedOrderNumber,
  releaseIssuedOrderNumber,
} from "../services/numbering.service";

afterEach(async () => {
  await prisma.number_sequences.deleteMany({ where: { type: "issued_order" } });
});

describe("issued-order numbering", () => {
  it("generates sequential numbers", async () => {
    const year = new Date().getFullYear();
    const a = await generateIssuedOrderNumber(year);
    const b = await generateIssuedOrderNumber(year);
    expect(Number(b.number)).toBe(Number(a.number) + 1);
  });

  it("preview does not consume the sequence", async () => {
    const year = new Date().getFullYear();
    const p1 = await previewIssuedOrderNumber(year);
    const p2 = await previewIssuedOrderNumber(year);
    expect(p1.number).toBe(p2.number);
  });

  it("release frees only the highest number", async () => {
    const year = new Date().getFullYear();
    await generateIssuedOrderNumber(year); // seq 1
    await generateIssuedOrderNumber(year); // seq 2
    const c = await generateIssuedOrderNumber(year); // seq 3 (current highest)
    const beforeRelease = (await previewIssuedOrderNumber(year)).number; // seq 4
    // Releasing a number that is NOT the current highest is a no-op.
    await releaseIssuedOrderNumber(year, "00000000");
    expect((await previewIssuedOrderNumber(year)).number).toBe(beforeRelease);
    // Releasing the current highest reclaims it.
    await releaseIssuedOrderNumber(year, c.number);
    expect((await previewIssuedOrderNumber(year)).number).toBe(c.number);
  });
});