import { user } from './user';

export interface Thread {
	id: number;
	title: string;
	createdAt: number;
}

export interface ThreadPage {
	data: {
		Page: {
			threads: Thread[];
			pageInfo: {
				hasNextPage: boolean;
				currentPage: number;
			};
		};
	};
}

const threadPage = async (page: number, userId: number): Promise<ThreadPage> =>
	await (
		await fetch('https://graphql.anilist.co', {
			method: 'POST',
			headers: {
				'Content-Type': 'application/json',
				Accept: 'application/json'
			},
			body: JSON.stringify({
				query: `{ Page(perPage: 50, page: ${page}) {
  threads(userId: ${userId}) { id title createdAt }
  pageInfo { hasNextPage }
} }`
			})
		})
	).json();

export const threads = async (username: string): Promise<Thread[]> => {
	const allThreads = [];
	const userId = (await user(username)).id;
	let page = 1;
	let currentPage = await threadPage(page, userId);

	for (const thread of currentPage.data.Page.threads) {
		allThreads.push(thread);
	}

	while (currentPage.data.Page.pageInfo.hasNextPage) {
		page += 1;
		currentPage = await threadPage(page, userId);

		for (const thread of currentPage.data.Page.threads) {
			allThreads.push(thread);
		}
	}

	return allThreads;
};