import { beforeEach, describe, expect, it, vi } from "vitest";
import { PERMS } from "@/lib/permission-slugs";
import type { AuditEntry } from "@/lib/services/audit";
import type { HousekeepingCapabilityContext } from "../../../foundation/contracts";

const { alertUser, audit, resolveServerContext } = vi.hoisted(() => ({
	alertUser: vi.fn(),
	audit: vi.fn(),
	resolveServerContext: vi.fn(),
}));

vi.mock("@/features/housekeeping/foundation/server-capability-context", () => ({
	getHousekeepingCapabilityContext: resolveServerContext,
}));
vi.mock("@/lib/auth", () => ({ invalidateLoginCache: vi.fn() }));
vi.mock("@/lib/auth/password", () => ({ hashPassword: vi.fn() }));
vi.mock("@/lib/db", async (importOriginal) => ({
	...(await importOriginal<typeof import("@/lib/db")>()),
	db: {
		select: vi.fn(() => {
			throw new Error("alert must not query DB");
		}),
	},
}));
vi.mock("@/lib/services/audit", async (importOriginal) => ({
	...(await importOriginal<typeof import("@/lib/services/audit")>()),
	logAudit: audit,
}));
vi.mock("@/lib/services/rcon", async (importOriginal) => ({
	...(await importOriginal<typeof import("@/lib/services/rcon")>()),
	rcon: { alertUser },
}));
vi.mock("@/lib/services/webhook", () => ({ notify: vi.fn() }));

import { peopleMutationService } from "./mutations";

function context(): HousekeepingCapabilityContext {
	return {
		actor: { id: 42, username: "operator", rank: 6 },
		isSuperAdmin: false,
		has: (slug) => slug === PERMS.USERS_EDIT,
		hasAny: (...slugs) => slugs.includes(PERMS.USERS_EDIT),
		hasAll: (...slugs) => slugs.every((slug) => slug === PERMS.USERS_EDIT),
	};
}

const invocation = {
	correlationId: "audit-contract",
	expectedActorId: 42,
};

beforeEach(() => {
	vi.clearAllMocks();
	resolveServerContext.mockResolvedValue(context());
	alertUser.mockResolvedValue(true);
	audit.mockResolvedValue(undefined);
});

describe("People external audit contract", () => {
	it("blocks the external operation when intent persistence fails", async () => {
		audit.mockRejectedValueOnce(new Error("intent unavailable"));

		const result = await peopleMutationService.execute(
			invocation,
			"user.alert",
			{ userId: 7, message: "Hello" },
		);

		expect(result).toMatchObject({ ok: false });
		expect(alertUser).not.toHaveBeenCalled();
		expect(audit).toHaveBeenCalledWith(
			expect.objectContaining({ outcome: "intent" }),
		);
	});

	it("persists a correlated failure outcome when a pre-mutation external operation fails", async () => {
		alertUser.mockResolvedValue(false);

		const result = await peopleMutationService.execute(
			invocation,
			"user.alert",
			{ userId: 7, message: "Hello" },
		);

		expect(result).toMatchObject({
			ok: false,
			error: { code: "DEPENDENCY_UNAVAILABLE" },
		});
		expect(
			audit.mock.calls.map((call) => {
				const entry = call[0] as AuditEntry;
				return {
					outcome: entry.outcome,
					correlationId: entry.correlationId,
				};
			}),
		).toEqual([
			{ outcome: "intent", correlationId: "audit-contract" },
			{ outcome: "failure", correlationId: "audit-contract" },
		]);
	});

	it("returns serializable partial completion when final outcome persistence fails", async () => {
		audit.mockImplementation(async (entry: AuditEntry) => {
			if (entry.outcome === "success") throw new Error("outcome unavailable");
		});

		const result = await peopleMutationService.execute(
			invocation,
			"user.alert",
			{ userId: 7, message: "Hello" },
		);

		expect(result).toMatchObject({
			ok: true,
			completion: {
				status: "partial",
				external: "completed",
				audit: "persisted",
			},
			data: {
				before: null,
				after: { userId: 7, alertDelivered: true },
			},
			correlationId: "audit-contract",
		});
		expect(() => JSON.stringify(result)).not.toThrow();
		expect(alertUser).toHaveBeenCalledTimes(1);
		expect(
			audit.mock.calls.map((call) => (call[0] as AuditEntry).outcome),
		).toEqual(["intent", "success", "partial"]);
	});

	it("attempts legacy alert without a target lookup when the database is unavailable", async () => {
		const result = await peopleMutationService.execute(
			{ ...invocation, legacy: true },
			"user.alert",
			{ userId: 900719925, message: "Direct RCON" },
		);

		expect(result).toMatchObject({
			ok: true,
			data: {
				before: null,
				after: { userId: 900719925, alertDelivered: true },
			},
		});
		expect(alertUser).toHaveBeenCalledWith(900719925, "Direct RCON");
	});
});