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// SPDX-FileCopyrightText: 2024 Shota FUJI <pockawoooh@gmail.com>
// SPDX-License-Identifier: AGPL-3.0-only

import { describe, expect, test } from "bun:test";

import { create, type MessageInitShape } from "@bufbuild/protobuf";
import { DateSchema } from "@yamori/proto/yamori/type/v1/date_pb.js";

import { isSameBytes, maskMessage } from "./helpers";

describe("isSameBytes", () => {
	test("Should return true for same references", () => {
		const arr = new Uint8Array([0, 1, 2, 3, 4, 5]);

		expect(isSameBytes(arr, arr)).toBe(true);
	});

	test("Should return true for same bytes", () => {
		const foo = new Uint8Array([0, 1, 2, 3, 4, 5]);
		const bar = new Uint8Array([0, 1, 2, 3, 4, 5]);

		expect(isSameBytes(foo, bar)).toBe(true);
	});

	test("Should return false for different bytes", () => {
		const foo = new Uint8Array([0, 1, 2, 3, 4, 5]);
		const bar = new Uint8Array([0, 1, 2, 0, 4, 5]);

		expect(isSameBytes(foo, bar)).toBe(false);
	});

	test("Should return false for different length bytes", () => {
		const foo = new Uint8Array([0, 1, 2]);
		const bar = new Uint8Array([0, 1, 2, 3, 4, 5]);

		expect(isSameBytes(foo, bar)).toBe(false);
	});
});

describe("maskMessage", () => {
	test("Should return empty message if mask is empty", () => {
		expect(
			maskMessage(DateSchema, { fields: [] }, {
				year: 2000,
				month: 1,
				day: 1,
			} as MessageInitShape<typeof DateSchema>),
		).toEqual({});
	});

	test("Should mask field", () => {
		expect(
			maskMessage(DateSchema, { fields: [DateSchema.field.month.number] }, {
				year: 2000,
				month: 1,
				day: 1,
			} as MessageInitShape<typeof DateSchema>),
		).toEqual({
			month: 1,
		});
	});

	test("Should return every field on full mask", () => {
		expect(
			maskMessage(
				DateSchema,
				{
					fields: [
						DateSchema.field.year.number,
						DateSchema.field.month.number,
						DateSchema.field.day.number,
					],
				},
				{
					year: 2000,
					month: 1,
					day: 1,
				} as MessageInitShape<typeof DateSchema>,
			),
		).toEqual({
			year: 2000,
			month: 1,
			day: 1,
		});
	});

	test("Should keep $typeName", () => {
		const masked = maskMessage(
			DateSchema,
			{ fields: [DateSchema.field.day.number] },
			create(DateSchema, {
				year: 2000,
				month: 1,
				day: 1,
			}),
		);

		expect(masked.$typeName).not.toBeEmpty();
		expect(masked.day).toBe(1);
		expect(masked.year).toBeEmpty();
		expect(masked.month).toBeEmpty();
	});

	test("Should not mutate input message", () => {
		const input = create(DateSchema, {
			year: 2000,
			month: 1,
			day: 1,
		});

		maskMessage(DateSchema, { fields: [DateSchema.field.day.number] }, input);

		expect(input.year).toBe(2000);
		expect(input.month).toBe(1);
		expect(input.day).toBe(1);
	});
});