import { beforeEach, describe, expect, it, vi } from "vitest";

const state = vi.hoisted(() => ({
	rows: [] as unknown[][],
	insert: vi.fn(),
	update: vi.fn(),
	invalidate: vi.fn(),
	log: vi.fn(() => "news-error-1"),
	notify: vi.fn(),
}));
vi.mock("@/lib/admin/guard", () => ({
	requirePermission: async () => ({ id: 1, username: "staff" }),
}));
vi.mock("@/lib/permissions", () => ({ PERMS: { NEWS_EDIT: "news.edit" } }));
vi.mock("@/lib/services/webhook", () => ({ notify: state.notify }));
vi.mock("@/lib/services/news-cache", () => ({
	invalidateNewsCache: state.invalidate,
}));
vi.mock("@/lib/logger", () => ({ logger: { error: state.log } }));
vi.mock("next-intl/server", () => ({
	getTranslations: async () => (key: string, args?: { reference: string }) =>
		key + (args?.reference ?? ""),
}));
vi.mock("next/cache", () => ({ revalidatePath: vi.fn() }));
vi.mock("next/navigation", () => ({
	redirect: (url: string) => {
		throw Error(`redirect ${url}`);
	},
}));
vi.mock("@/lib/db", async () => {
	const database = {
		select: () => ({
			from: () => ({
				where: () => ({
					limit: () => {
						const result = Promise.resolve(state.rows.shift() ?? []);
						return Object.assign(result, { for: () => result });
					},
				}),
			}),
		}),
		insert: () => ({ values: state.insert }),
		update: () => ({
			set: (value: unknown) => {
				state.update(value);
				return { where: async () => [{ affectedRows: 1 }] };
			},
		}),
		transaction: async (fn: (tx: unknown) => unknown): Promise<unknown> =>
			fn(database),
	};
	return { ...(await import("@/db/schema")), db: database };
});

import { articleEditToken } from "@/lib/article-edit-token";
import { createArticle, updateArticle } from "./admin-articles";

function form(extra: Record<string, string> = {}) {
	const f = new FormData();
	for (const [k, v] of Object.entries({
		title: "Test news",
		slug: "test-news",
		shortStory: "Summary",
		fullStory: "Body",
		status: "published",
		...extra,
	}))
		f.set(k, v);
	return f;
}
describe("news saves", () => {
	beforeEach(() => {
		vi.clearAllMocks();
		state.rows = [];
		state.insert.mockResolvedValue([{ insertId: 1 }]);
	});
	it("preserves a recoverable error and logs its reference", async () => {
		state.insert.mockRejectedValueOnce(Error("Unknown column status"));
		const result = await createArticle(form());
		expect(result).toEqual({
			ok: false,
			error: "saveFailedReferencenews-error-1",
		});
		expect(state.invalidate).not.toHaveBeenCalled();
		expect(state.log).toHaveBeenCalled();
	});
	it("saves drafts without publication notifications", async () => {
		expect((await createArticle(form({ status: "draft" }))).ok).toBe(true);
		expect(state.insert).toHaveBeenCalledWith(
			expect.objectContaining({
				status: "draft",
				publishAt: null,
				publishedAt: null,
			}),
		);
		expect(state.notify).not.toHaveBeenCalled();
		expect(state.invalidate).toHaveBeenCalledOnce();
	});
	it("preserves the slug and clears old scheduling for immediate publication", async () => {
		const existing = {
			title: "Old",
			slug: "test-news",
			image: "",
			shortStory: "",
			fullStory: "",
			status: "draft",
			publishAt: null,
			publishedAt: null,
		};
		state.rows = [[existing]];
		expect(
			(
				await updateArticle(
					form({
						id: "1",
						baseToken: articleEditToken(existing),
						publishAt: "2099-01-01T00:00:00Z",
					}),
				)
			).ok,
		).toBe(true);
		expect(state.update).toHaveBeenCalledWith(
			expect.objectContaining({
				slug: "test-news",
				publishAt: null,
				status: "published",
			}),
		);
		expect(state.invalidate).toHaveBeenCalledOnce();
	});
	it("rejects an outdated editor without inserting a revision or overwriting the article", async () => {
		state.rows = [
			[
				{
					title: "Changed by another editor",
					slug: "test-news",
					image: "",
					shortStory: "",
					fullStory: "",
					status: "published",
					publishAt: null,
				},
			],
		];
		expect(
			await updateArticle(form({ id: "1", baseToken: "outdated" })),
		).toEqual({ ok: false, error: "editConflict" });
		expect(state.insert).not.toHaveBeenCalled();
		expect(state.update).not.toHaveBeenCalled();
		expect(state.invalidate).not.toHaveBeenCalled();
	});
	it("rejects invalid scheduled dates before writing", async () => {
		expect(
			(await createArticle(form({ status: "scheduled", publishAt: "invalid" })))
				.ok,
		).toBe(false);
		expect(state.insert).not.toHaveBeenCalled();
	});
});