"use server"

import {mkdir, writeFile} from "fs/promises";
import path from "path";
import * as fs from "node:fs";
import {getServerUrl} from "@/utils/get-server-url";

const privateLocalDir = "private/uploads/";


export async function uploadLocalPrivate(fileName: string, buffer: any) {
    try {
        await mkdir(path.join(process.cwd(), privateLocalDir), { recursive: true });

        await writeFile(
            path.join(process.cwd(), privateLocalDir, fileName),
            buffer
        );

        return {
            success: true,
            message: "File uploaded successfully",
            filePath: path.join(privateLocalDir, fileName),
        };

    } catch (error) {
        console.error("Error occurred:", error);
        throw new Error("An error occurred while importing the private file");
    }
}

export async function getFileUrlPresignedLocal(fileName: string) {
    try {
        const filePath = path.join(privateLocalDir, fileName);
        await mkdir(path.join(process.cwd(), privateLocalDir), { recursive: true });

        if (!fs.existsSync(filePath)) {
            console.error('File not found at:', filePath);
            return `File not found at: ${filePath}`
        }
        const crypto = require('crypto');
        const baseUrl = getServerUrl();

        const expiresAt = Date.now() + 60 * 1000; // expires in 1 minute
        const token = crypto.createHash('sha256').update(`${fileName}${expiresAt}`).digest('hex');
        return `${baseUrl}/api/files/${fileName}?token=${token}&expires=${expiresAt}`;

    } catch (error) {
        throw error;
    }
}