/**
 * Integration tests for Crewing Phase 5b appraisal: the
 * raise (PM) → verify (MPO) → approve (Manager) lifecycle, with rejection paths
 * and role gating per §5.4/§6.
 */
import { vi, describe, it, expect, beforeAll, afterAll, afterEach } from "vitest";

vi.mock("@/auth", () => ({ auth: vi.fn() }));
vi.mock("next/cache", () => ({ revalidatePath: vi.fn() }));
vi.mock("@/lib/feature-flags", () => ({ CREWING_ENABLED: true, INVENTORY_ENABLED: true }));
vi.mock("@/lib/notifier", () => ({ notify: vi.fn(), notifyCrew: vi.fn() }));

import { auth } from "@/auth";
import { db } from "@/lib/db";
import { raiseAppraisal, verifyAppraisal, approveAppraisal } from "@/app/(portal)/crewing/appraisals/actions";
import { makeSession, getSeedUser, fd } from "./helpers";
import type { Role } from "@prisma/client";

let managerId: string;
let manningId: string;
let siteStaffId: string;
let rankId: string;
let vesselId: string;

const SS_EMAIL = "sitestaff@itapp2.local";
const as = (userId: string, role: Role) =>
  vi.mocked(auth as unknown as () => Promise<unknown>).mockResolvedValue(makeSession(userId, role));

async function assignment() {
  const c = await db.crewMember.create({ data: { name: "Appraisee", status: "EMPLOYEE", type: "NEW", source: "CAREERS" } });
  const a = await db.crewAssignment.create({ data: { status: "ACTIVE", signOnDate: new Date("2026-01-01"), crewMemberId: c.id, rankId, vesselId } });
  return { crewId: c.id, assignmentId: a.id };
}

async function raise(assignmentId: string) {
  as(siteStaffId, "SITE_STAFF"); // PM / site staff raise (raise_appraisal)
  const res = await raiseAppraisal(fd({ assignmentId, period: "2026", competence: "4", conduct: "5", safety: "4", comments: "Solid" }));
  if (!("ok" in res)) throw new Error("raise failed");
  return res.id!;
}

beforeAll(async () => {
  managerId = (await getSeedUser("manager@pelagia.local")).id;
  manningId = (await getSeedUser("manning@pelagia.local")).id;
  const ss = await db.user.upsert({ where: { email: SS_EMAIL }, update: { role: "SITE_STAFF", isActive: true }, create: { employeeId: "ITAPP2-SS", email: SS_EMAIL, name: "SS App2", role: "SITE_STAFF" } });
  siteStaffId = ss.id;
  rankId = (await db.rank.findFirstOrThrow()).id;
  vesselId = (await db.vessel.findFirstOrThrow()).id;
});

afterEach(async () => {
  await db.crewAction.deleteMany({});
  await db.appraisal.deleteMany({});
  await db.crewAssignment.deleteMany({});
  await db.crewMember.deleteMany({});
  vi.clearAllMocks();
});

afterAll(async () => {
  await db.user.deleteMany({ where: { email: SS_EMAIL } });
});

describe("appraisal lifecycle", () => {
  it("raise → verify (MPO) → approve (Manager)", async () => {
    const { assignmentId } = await assignment();
    const id = await raise(assignmentId);
    expect((await db.appraisal.findUniqueOrThrow({ where: { id } })).status).toBe("SUBMITTED");

    as(manningId, "MANNING");
    expect("ok" in (await verifyAppraisal(id, true))).toBe(true);
    const verified = await db.appraisal.findUniqueOrThrow({ where: { id } });
    expect(verified.status).toBe("MPO_VERIFIED");
    expect(verified.verifiedById).toBe(manningId);

    // MPO cannot approve
    expect(await approveAppraisal(id, true)).not.toHaveProperty("ok");

    as(managerId, "MANAGER");
    expect("ok" in (await approveAppraisal(id, true))).toBe(true);
    const approved = await db.appraisal.findUniqueOrThrow({ where: { id } });
    expect(approved.status).toBe("MANAGER_APPROVED");
    expect(approved.approvedById).toBe(managerId);
  });

  it("MPO rejects with remarks", async () => {
    const { assignmentId } = await assignment();
    const id = await raise(assignmentId);
    as(manningId, "MANNING");
    expect("error" in (await verifyAppraisal(id, false))).toBe(true); // remarks required
    expect("ok" in (await verifyAppraisal(id, false, "Incomplete"))).toBe(true);
    const a = await db.appraisal.findUniqueOrThrow({ where: { id } });
    expect(a.status).toBe("REJECTED");
    expect(a.rejectedReason).toBe("Incomplete");
  });

  it("raise is rejected for a role without raise_appraisal (MPO)", async () => {
    const { assignmentId } = await assignment();
    as(manningId, "MANNING"); // MPO does not hold raise_appraisal
    expect(await raiseAppraisal(fd({ assignmentId, period: "2026" }))).toEqual({ error: "Unauthorized" });
  });

  it("verify is rejected for a role without verify_appraisal (site staff)", async () => {
    const { assignmentId } = await assignment();
    const id = await raise(assignmentId);
    as(siteStaffId, "SITE_STAFF");
    expect(await verifyAppraisal(id, true)).toEqual({ error: "Unauthorized" });
  });
});