import { expect, it } from "vitest";
import type {
	PackageOffer,
	PackageSnapshot,
} from "@/features/catalog/domain/packages";
import {
	packageBulkPrices,
	packageChanges,
	packagePublicationIsCurrent,
} from "./package-editor-helpers";

const offer: PackageOffer = {
	id: 1,
	pageId: 10,
	catalogName: "Chair",
	itemIds: "42",
	costCredits: 100,
	costPoints: 20,
	pointsType: 5,
	amount: 1,
};
it("previews only selected draft offers and preserves furniture references without mutating the snapshot", () => {
	const rows = [offer, { ...offer, id: 2, costCredits: 200 }];
	const result = packageBulkPrices(rows, [1], {
		costCredits: { mode: "percent", value: -25 },
	});
	expect(result).toEqual([
		{ before: offer, after: { ...offer, costCredits: 75 } },
	]);
	expect(rows[0].costCredits).toBe(100);
	expect(rows[1].costCredits).toBe(200);
	expect(result[0].after.itemIds).toBe("42");
	expect(result[0].after.pageId).toBe(10);
});
it("supports absolute and additive prices, rejecting invalid selection and negative results", () => {
	expect(
		packageBulkPrices([offer], [1], {
			costPoints: { mode: "set", value: 7 },
		})[0].after.costPoints,
	).toBe(7);
	expect(
		packageBulkPrices([offer], [1], {
			costCredits: { mode: "add", value: 5 },
		})[0].after.costCredits,
	).toBe(105);
	expect(() =>
		packageBulkPrices([offer], [1], {
			costCredits: { mode: "add", value: -101 },
		}),
	).toThrow();
	expect(() =>
		packageBulkPrices([offer], [2], { costCredits: { mode: "set", value: 1 } }),
	).toThrow();
	expect(() =>
		packageBulkPrices([offer], [], { costCredits: { mode: "set", value: 1 } }),
	).toThrow();
	expect(() =>
		packageBulkPrices([offer], [1, 1], {
			costCredits: { mode: "set", value: 1 },
		}),
	).toThrow();
});
it("binds publication eligibility to the saved version and rejects dirty or conflicting reviews", () => {
	const saved = { status: "draft" as const, version: 3 };
	const review = {
		version: 3,
		fingerprint: "a".repeat(64),
		changedPages: 1,
		changedOffers: 1,
		conflicts: [],
	};
	expect(packagePublicationIsCurrent(saved, review, false)).toBe(true);
	expect(
		packagePublicationIsCurrent(saved, { ...review, version: 4 }, false),
	).toBe(false);
	expect(packagePublicationIsCurrent(saved, review, true)).toBe(false);
	expect(
		packagePublicationIsCurrent(
			saved,
			{ ...review, conflicts: ["Changed live data"] },
			false,
		),
	).toBe(false);
	expect(
		packagePublicationIsCurrent(
			{ ...saved, status: "published" },
			review,
			false,
		),
	).toBe(false);
});
it("shows precise category and offer changes against the original snapshot", () => {
	const original: PackageSnapshot = {
		pages: [
			{
				id: 10,
				parentId: -1,
				caption: "Rooms",
				enabled: "1",
				visible: "1",
				iconImage: 1,
				minRank: 1,
				clubOnly: "0",
				vipOnly: "0",
				orderNum: 1,
				pageLayout: "default_3x3",
			},
		],
		offers: [offer],
	};
	const draft: PackageSnapshot = {
		pages: [{ ...original.pages[0], caption: "Chairs", visible: "0" }],
		offers: [{ ...offer, costCredits: 50 }],
	};
	expect(
		packageChanges(original, draft).map((row) => [
			row.field,
			row.before,
			row.after,
		]),
	).toEqual([
		["caption", "Rooms", "Chairs"],
		["visible", "1", "0"],
		["costCredits", "100", "50"],
	]);
	expect(packageChanges(original, original)).toEqual([]);
});