const { exec } = require("child_process");
const fs = require("fs");
const yaml = require("js-yaml");

const filePath = "source/_data/updates.yml";
const create = "Pupper0601/HexoNote";
let sinceId = "";
let data = [];

async function updateLogs() {
	if (fs.existsSync(filePath)) {
		const fileContent = fs.readFileSync(filePath, "utf8");
		data = yaml.load(fileContent);
		if (data !== undefined) {
			if (
				data.length > 0 &&
				data[0].day_list.length > 0 &&
				data[0].day_list[0].log_list.length > 0
			) {
				sinceId = data[0].day_list[0].log_list[0].short_id;
			}
		}
	}

	const command = sinceId
		? `git log --pretty=format:"%ad||%s||%h||%H" --date=format:"%Y-%m-%d %H:%M:%S" ${sinceId}..HEAD`
		: 'git log --pretty=format:"%ad||%s||%h||%H" --date=format:"%Y-%m-%d %H:%M:%S"';
	console.log(command);
	exec(command, (error, stdout) => {
		if (error) {
			console.error(`执行的错误: ${error}`);
			return;
		}

		const newLogs = stdout
			.split("\n")
			.map((log) => {
				const [date, content, short_id, id] = log.split("||");
				const year = date.split(" ")[0].split("-")[0];
				const day = date.split(" ")[0].split("-").slice(1).join("-");

				return {
					year,
					day,
					commit: {
						content,
						short_id,
						id,
						url: `https://github.com/${create}/commit/${id}`,
						time: date,
					},
				};
			})
			.sort((a, b) => {
				// 按照年份和日期进行倒序排序
				if (a.year !== b.year) {
					return b.year - a.year;
				}
				return b.day.localeCompare(a.day);
			});

		console.log("更新数量: " + newLogs.length + " ---> " + newLogs);

		newLogs.forEach((log) => {
			let yearObj = data.find((item) => item.year === log.year);
			if (!yearObj) {
				yearObj = {
					year: log.year,
					day_list: [],
				};
				data.push(yearObj); // 添加到数组末尾
			}

			let dayObj = yearObj.day_list.find((item) => item.day === log.day);
			if (!dayObj) {
				dayObj = {
					day: log.day,
					log_list: [],
				};
				yearObj.day_list.push(dayObj); // 添加到数组末尾
			}

			// 检查 short_id 是否已经存在
			if (
				!dayObj.log_list.some((item) => item.short_id === log.commit.short_id)
			) {
				dayObj.log_list.push(log.commit); // 添加到数组末尾
			}
		});

		// 对年份进行倒序排序
		data.sort((a, b) => b.year.localeCompare(a.year));

		// 对每个年份中的日期进行倒序排序
		data.forEach((yearObj) => {
			yearObj.day_list.sort((a, b) => b.day.localeCompare(a.day));

			// 对每个日期中的提交按照时间进行倒序排序
			yearObj.day_list.forEach((dayObj) => {
				dayObj.log_list.sort((a, b) => new Date(b.time) - new Date(a.time));
			});
		});

		const yamlStr = yaml.dump(data);
		fs.writeFileSync(filePath, yamlStr);
		console.log("更新 updates.yaml 成功");
	});
}

// updateLogs()

// 如果需要调试, 需要注销以下代码
hexo.extend.filter.register("before_generate", async () => {
	if (hexo.env.cmd !== "server") {
		updateLogs();
		console.log("博客修改记录更新成功!");
	}
});