import { type AppEnv, LegacyVersion, type Organization } from "@autumn/shared";
import { expect } from "chai";
import chalk from "chalk";
import { addHours, addMonths } from "date-fns";
import type Stripe from "stripe";
import { addPrefixToProducts } from "tests/attach/utils.js";
import { setupBefore } from "tests/before.js";
import { TestFeature } from "tests/setup/v2Features.js";
import { hoursToFinalizeInvoice } from "tests/utils/constants.js";
import { attachAndExpectCorrect } from "tests/utils/expectUtils/expectAttach.js";
import { getExpectedInvoiceTotal } from "tests/utils/expectUtils/expectInvoiceUtils.js";
import { createProducts } from "tests/utils/productUtils.js";
import { advanceTestClock } from "tests/utils/stripeUtils.js";
import type { DrizzleCli } from "@/db/initDrizzle.js";
import { AutumnInt } from "@/external/autumn/autumnCli.js";
import { constructArrearItem } from "@/utils/scriptUtils/constructItem.js";
import { constructRawProduct } from "@/utils/scriptUtils/createTestProducts.js";
import { initCustomer } from "@/utils/scriptUtils/initCustomer.js";

const testCase = "customInterval2";

export const pro = constructRawProduct({
	id: "pro",
	items: [
		constructArrearItem({
			includedUsage: 0,
			featureId: TestFeature.Words,
			intervalCount: 2,
		}),
	],
});

describe(`${chalk.yellowBright(`${testCase}: Testing custom interval on arrear prorated price`)}`, () => {
	const customerId = testCase;
	const autumn: AutumnInt = new AutumnInt({ version: LegacyVersion.v1_4 });
	let testClockId: string;
	let db: DrizzleCli, org: Organization, env: AppEnv;
	let stripeCli: Stripe;

	before(async function () {
		await setupBefore(this);
		const { autumnJs } = this;
		db = this.db;
		org = this.org;
		env = this.env;

		stripeCli = this.stripeCli;

		const { testClockId: testClockId1 } = await initCustomer({
			autumn: autumnJs,
			customerId,
			db,
			org,
			env,
			attachPm: "success",
		});

		addPrefixToProducts({
			products: [pro],
			prefix: testCase,
		});

		await createProducts({
			autumn,
			products: [pro],
			db,
			orgId: org.id,
			env,
		});

		testClockId = testClockId1!;
	});

	it("should attach pro product", async () => {
		await attachAndExpectCorrect({
			autumn,
			customerId,
			product: pro,
			stripeCli,
			db,
			org,
			env,
		});
	});

	const usage = 100012;
	it("should upgrade to premium product and have correct invoice next cycle", async () => {
		await autumn.track({
			customer_id: customerId,
			feature_id: TestFeature.Words,
			value: usage,
		});

		const curUnix = await advanceTestClock({
			stripeCli,
			testClockId,
			advanceTo: addHours(
				addMonths(new Date(), 2),
				hoursToFinalizeInvoice,
			).getTime(),
			waitForSeconds: 30,
		});

		const invoiceAmount = await getExpectedInvoiceTotal({
			customerId,
			productId: pro.id,
			usage: [{ featureId: TestFeature.Words, value: usage }],
			stripeCli,
			db,
			org,
			env,
		});

		const customer = await autumn.customers.get(customerId);
		expect(customer.invoices.length).to.equal(2);
		expect(invoiceAmount).to.equal(customer.invoices[0].total);
	});
});