// FILEPATH: /home/jessew/Dev/lysand/packages/media-manager/media-converter.test.ts
import { describe, it, expect, beforeEach } from "bun:test";
import { MediaConverter, ConvertableMediaFormats } from "../media-converter";

describe("MediaConverter", () => {
	let mediaConverter: MediaConverter;

	beforeEach(() => {
		mediaConverter = new MediaConverter(
			ConvertableMediaFormats.JPG,
			ConvertableMediaFormats.PNG
		);
	});

	it("should initialize with correct formats", () => {
		expect(mediaConverter.fromFormat).toEqual(ConvertableMediaFormats.JPG);
		expect(mediaConverter.toFormat).toEqual(ConvertableMediaFormats.PNG);
	});

	it("should check if media is convertable", () => {
		expect(mediaConverter.isConvertable()).toBe(true);
		mediaConverter.toFormat = ConvertableMediaFormats.JPG;
		expect(mediaConverter.isConvertable()).toBe(false);
	});

	it("should replace file name extension", () => {
		const fileName = "test.jpg";
		const expectedFileName = "test.png";
		// Written like this because it's a private function
		expect(mediaConverter["getReplacedFileName"](fileName)).toEqual(
			expectedFileName
		);
	});

	describe("Filename extractor", () => {
		it("should extract filename from path", () => {
			const path = "path/to/test.jpg";
			const expectedFileName = "test.jpg";
			expect(mediaConverter["extractFilenameFromPath"](path)).toEqual(
				expectedFileName
			);
		});

		it("should handle escaped slashes", () => {
			const path = "path/to/test\\/test.jpg";
			const expectedFileName = "test\\/test.jpg";
			expect(mediaConverter["extractFilenameFromPath"](path)).toEqual(
				expectedFileName
			);
		});
	});

	it("should convert media", async () => {
		const file = Bun.file(__dirname + "/megamind.jpg");

		const convertedFile = await mediaConverter.convert(
			file as unknown as File
		);

		expect(convertedFile.name).toEqual("megamind.png");
		expect(convertedFile.type).toEqual(
			`image/${ConvertableMediaFormats.PNG}`
		);
	});
});