const fs = require('fs');
const fsp = require('fs').promises;
const { rmdir } = require('./../utils')
const { getFiles } = require('../../src/file-utils');

const dumpdir = `${__dirname}/dump`

beforeEach(async () => {
	if(fs.existsSync(dumpdir)) {
		rmdir(dumpdir)
	}
	fs.mkdirSync(dumpdir)
})

jest.disableAutomock()
jest.unmock('got')

describe("webmention downloading of author pictures", () => {

	const { getPictures } = require('./../../src/webmention/pictures')

	test("getPictures does not write a file if error occurs", async () => {
		await getPictures([{
			author: {
				picture: '/unknownshit.lolz'
			}
		}], {
			endpoint: 'https://brainbaking.com/',
			directory: dumpdir,
			extension: "png"
		})

		const output = await getFiles(dumpdir)
		expect(output.length).toBe(0)
	})

	test("getPictures adds extension if not yet present", async () => {
		await getPictures([{
			author: {
				picture: '/img/avatar.jpg'
			}
		}], {
			endpoint: 'https://brainbaking.com/',
			directory: dumpdir,
			extension: "png"
		})

		const output = fs.readFileSync(`${dumpdir}/img/avatar.jpg.png`).toString()
		expect(output).not.toBe(null)
	})

	test("getPictures does not override existing picture if flag is set", async () => {
		fs.mkdirSync(`${dumpdir}/img`)
		fs.writeFileSync(`${dumpdir}/img/avatar.jpg`, "dummy", "utf8")
		await getPictures([{
			author: {
				picture: '/img/avatar.jpg'
			}
		}], {
			endpoint: 'https://brainbaking.com/',
			directory: dumpdir
		})

		const output = fs.readFileSync(`${dumpdir}/img/avatar.jpg`).toString()
		expect(output).toBe("dummy")
	})

	test("getPictures downloads author picture if present and overrides", async () => {
		fs.mkdirSync(`${dumpdir}/img`)
		fs.writeFileSync(`${dumpdir}/img/avatar.jpg`, "dummy", "utf8")

		await getPictures([{
			author: {
				picture: '/img/avatar.jpg'
			}
		}, {
			author: {
			}
		}], {
			endpoint: 'https://brainbaking.com/',
			directory: dumpdir
		})

		const output = await getFiles(dumpdir)
		expect(output.length).toBe(1)

		const firstFile = fs.readFileSync(`${dumpdir}/img/avatar.jpg`).toString()
		expect(output).not.toBe("dummy")
	})

})