import * as vscode from "vscode";
import axios from "axios";
import { submitQuestion } from "../service";
import { login, checkIsLogin } from "./login";
import { getDayId } from '../utils/getDayID';

export async function postAnswer(
	document: vscode.TextDocument,
	content: string,
	context: vscode.ExtensionContext
) {
	try {
		const { name, token } = await checkIsLogin();

		const answer = pickUserAnswer(content);
		if (!answer) {
			vscode.window.showErrorMessage("答案不能为空");
			return;
		}
		const question_id = Number(getDayId(document.fileName));
		const data = {
			question_id,
			name,
			answer,
		};
		try {
			const response = await submitQuestion(data, token);
			vscode.window.showInformationMessage("提交成功");
		} catch (error) {
			vscode.window.showErrorMessage("提交失败");
			console.log(error);
		}
	} catch (error) {
		vscode.window
			.showWarningMessage("请先点击此处登录", "登录")
			.then((result) => {
				if (result === "登录") {
					login(context);
				}
			});
	}
}

function pickUserAnswer(content: string): string {
	const regex = /\*\[攀峰\]: start(.*?)\*\[攀峰\]: end/s;
	const regexJs = /\/\/ @攀峰 start(.*?)\/\/ @攀峰 end/s;
	if (regex.exec(content)) {
		const [, answer = ""] = regex.exec(content) || [];
		return answer.trim();
	} else if (regexJs.exec(content)) {
		const [, answer = ""] = regexJs.exec(content) || [];
		// TODO: XSS规则会把部分符号转译
		// return "```javascript \n" + answer.trim() + "\n```";
		return answer.trim();
	}
	return "";
}