import crypto from "node:crypto";
import path from "node:path";
import fs from "fs";
import * as fsPromise from "node:fs/promises";
import os from "node:os";

//下面这个类是用于将uid+msgid合并的类

export class UUIDConverter {
    static encode(highStr: string, lowStr: string): string {
        const high = BigInt(highStr);
        const low = BigInt(lowStr);
        const highHex = high.toString(16).padStart(16, "0");
        const lowHex = low.toString(16).padStart(16, "0");
        const combinedHex = highHex + lowHex;
        const uuid = `${combinedHex.substring(0, 8)}-${combinedHex.substring(8, 12)}-${combinedHex.substring(
            12,
            16
        )}-${combinedHex.substring(16, 20)}-${combinedHex.substring(20)}`;
        return uuid;
    }
    static decode(uuid: string): { high: string; low: string } {
        const hex = uuid.replace(/-/g, "");
        const high = BigInt("0x" + hex.substring(0, 16));
        const low = BigInt("0x" + hex.substring(16));
        return { high: high.toString(), low: low.toString() };
    }
}

export function sleep(ms: number): Promise<void> {
    return new Promise((resolve) => setTimeout(resolve, ms));
}

export function PromiseTimer<T>(promise: Promise<T>, ms: number): Promise<T> {
    const timeoutPromise = new Promise<T>((_, reject) =>
        setTimeout(() => reject(new Error("PromiseTimer: Operation timed out")), ms)
    );
    return Promise.race([promise, timeoutPromise]);
}
export async function runAllWithTimeout<T>(tasks: Promise<T>[], timeout: number): Promise<T[]> {
    const wrappedTasks = tasks.map((task) =>
        PromiseTimer(task, timeout).then(
            (result) => ({ status: "fulfilled", value: result }),
            (error) => ({ status: "rejected", reason: error })
        )
    );
    const results = await Promise.all(wrappedTasks);
    return results
        .filter((result) => result.status === "fulfilled")
        .map((result) => (result as { status: "fulfilled"; value: T }).value);
}

export function getMd5(s: string) {
    const h = crypto.createHash("md5");
    h.update(s);
    return h.digest("hex");
}

export function isNull(value: any) {
    return value === undefined || value === null;
}

export function isNumeric(str: string) {
    return /^\d+$/.test(str);
}
export function truncateString(obj: any, maxLength = 500) {
    if (obj !== null && typeof obj === "object") {
        Object.keys(obj).forEach((key) => {
            if (typeof obj[key] === "string") {
                // 如果是字符串且超过指定长度，则截断
                if (obj[key].length > maxLength) {
                    obj[key] = obj[key].substring(0, maxLength) + "...";
                }
            } else if (typeof obj[key] === "object") {
                // 如果是对象或数组，则递归调用
                truncateString(obj[key], maxLength);
            }
        });
    }
    return obj;
}
export function isEqual(obj1: any, obj2: any) {
    if (obj1 === obj2) return true;
    if (obj1 == null || obj2 == null) return false;
    if (typeof obj1 !== "object" || typeof obj2 !== "object") return obj1 === obj2;

    const keys1 = Object.keys(obj1);
    const keys2 = Object.keys(obj2);

    if (keys1.length !== keys2.length) return false;

    for (const key of keys1) {
        if (!isEqual(obj1[key], obj2[key])) return false;
    }
    return true;
}
export function getDefaultQQVersionConfigInfo(): QQVersionConfigType {
    if (os.platform() === "linux") {
        return {
            baseVersion: "3.2.12-26702",
            curVersion: "3.2.12-26702",
            prevVersion: "",
            onErrorVersions: [],
            buildId: "26702",
        };
    }
    return {
        baseVersion: "9.9.15-26702",
        curVersion: "9.9.15-26702",
        prevVersion: "",
        onErrorVersions: [],
        buildId: "26702",
    };
}

export function getQQVersionConfigPath(exePath: string = ""): string | undefined {
    let configVersionInfoPath;
    if (os.platform() !== "linux") {
        configVersionInfoPath = path.join(path.dirname(exePath), "resources", "app", "versions", "config.json");
    } else {
        const userPath = os.homedir();
        const appDataPath = path.resolve(userPath, "./.config/QQ");
        configVersionInfoPath = path.resolve(appDataPath, "./versions/config.json");
    }
    if (typeof configVersionInfoPath !== "string") {
        return undefined;
    }
    if (!fs.existsSync(configVersionInfoPath)) {
        return undefined;
    }
    return configVersionInfoPath;
}

export async function deleteOldFiles(directoryPath: string, daysThreshold: number) {
    try {
        const files = await fsPromise.readdir(directoryPath);

        for (const file of files) {
            const filePath = path.join(directoryPath, file);
            const stats = await fsPromise.stat(filePath);
            const lastModifiedTime = stats.mtimeMs;
            const currentTime = Date.now();
            const timeDifference = currentTime - lastModifiedTime;
            const daysDifference = timeDifference / (1000 * 60 * 60 * 24);

            if (daysDifference > daysThreshold) {
                await fsPromise.unlink(filePath); // Delete the file
                //console.log(`Deleted: ${filePath}`);
            }
        }
    } catch (error) {
        //console.error('Error deleting files:', error);
    }
}